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wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Internal/IBlob.php

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+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Internal;
+
+use MicrosoftAzure\Storage\Common\Internal\FilterableService;
+
+/**
+ * This interface has all REST APIs provided by Windows Azure for Blob service.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ * @see       http://msdn.microsoft.com/en-us/library/windowsazure/dd135733.aspx
+ */
+interface IBlob extends FilterableService
+{
+    /**
+    * Gets the properties of the Blob service.
+    *
+    * @param Models\BlobServiceOptions $options optional blob service options.
+    *
+    * @return MicrosoftAzure\Storage\Common\Models\GetServicePropertiesResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/hh452239.aspx
+    */
+    public function getServiceProperties($options = null);
+
+    /**
+    * Sets the properties of the Blob service.
+    *
+    * @param ServiceProperties         $serviceProperties new service properties
+    * @param Models\BlobServiceOptions $options           optional parameters
+    *
+    * @return none.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/hh452235.aspx
+    */
+    public function setServiceProperties($serviceProperties, $options = null);
+
+    /**
+    * Lists all of the containers in the given storage account.
+    *
+    * @param Models\ListContainersOptions $options optional parameters
+    *
+    * @return \MicrosoftAzure\Storage\Blob\Models\ListContainersResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179352.aspx
+    */
+    public function listContainers($options = null);
+
+    /**
+    * Creates a new container in the given storage account.
+    *
+    * @param string                        $container name
+    * @param Models\CreateContainerOptions $options   optional parameters
+    *
+    * @return none.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179468.aspx
+    */
+    public function createContainer($container, $options = null);
+
+    /**
+    * Creates a new container in the given storage account.
+    *
+    * @param string                        $container name
+    * @param Models\DeleteContainerOptions $options   optional parameters
+    *
+    * @return none.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179408.aspx
+    */
+    public function deleteContainer($container, $options = null);
+
+    /**
+    * Returns all properties and metadata on the container.
+    *
+    * @param string                    $container name
+    * @param Models\BlobServiceOptions $options   optional parameters
+    *
+    * @return Models\GetContainerPropertiesResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179370.aspx
+    */
+    public function getContainerProperties($container, $options = null);
+
+    /**
+    * Returns only user-defined metadata for the specified container.
+    *
+    * @param string                    $container name
+    * @param Models\BlobServiceOptions $options   optional parameters
+    *
+    * @return Models\GetContainerPropertiesResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691976.aspx
+    */
+    public function getContainerMetadata($container, $options = null);
+
+    /**
+    * Gets the access control list (ACL) and any container-level access policies
+    * for the container.
+    *
+    * @param string                    $container name
+    * @param Models\BlobServiceOptions $options   optional parameters
+    *
+    * @return Models\GetContainerAclResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179469.aspx
+    */
+    public function getContainerAcl($container, $options = null);
+
+    /**
+    * Sets the ACL and any container-level access policies for the container.
+    *
+    * @param string                    $container name
+    * @param Models\ContainerAcl       $acl       access control list for container
+    * @param Models\BlobServiceOptions $options   optional parameters
+    *
+    * @return none.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179391.aspx
+    */
+    public function setContainerAcl($container, $acl, $options = null);
+
+    /**
+    * Sets metadata headers on the container.
+    *
+    * @param string                             $container name
+    * @param array                              $metadata  metadata key/value pair.
+    * @param Models\SetContainerMetadataOptions $options   optional parameters
+    *
+    * @return none.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179362.aspx
+    */
+    public function setContainerMetadata($container, $metadata, $options = null);
+
+    /**
+    * Lists all of the blobs in the given container.
+    *
+    * @param string                  $container name
+    * @param Models\ListBlobsOptions $options   optional parameters
+    *
+    * @return \MicrosoftAzure\Storage\Blob\Models\ListBlobsResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd135734.aspx
+    */
+    public function listBlobs($container, $options = null);
+
+    /**
+    * Creates a new page blob. Note that calling createPageBlob to create a page
+    * blob only initializes the blob.
+    * To add content to a page blob, call createBlobPages method.
+    *
+    * @param string                   $container name of the container
+    * @param string                   $blob      name of the blob
+    * @param int                      $length    specifies the maximum size for the
+    * page blob, up to 1 TB. The page blob size must be aligned to a 512-byte
+    * boundary.
+    * @param Models\CreateBlobOptions $options   optional parameters
+    *
+    * @return CopyBlobResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179451.aspx
+    */
+    public function createPageBlob($container, $blob, $length, $options = null);
+
+    /**
+    * Creates a new block blob or updates the content of an existing block blob.
+    * Updating an existing block blob overwrites any existing metadata on the blob.
+    * Partial updates are not supported with createBlockBlob; the content of the
+    * existing blob is overwritten with the content of the new blob. To perform a
+    * partial update of the content of a block blob, use the createBlockList method.
+    *
+    * @param string                   $container name of the container
+    * @param string                   $blob      name of the blob
+    * @param string                   $content   content of the blob
+    * @param Models\CreateBlobOptions $options   optional parameters
+    *
+    * @return CopyBlobResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179451.aspx
+    */
+    public function createBlockBlob($container, $blob, $content, $options = null);
+
+    /**
+    * Clears a range of pages from the blob.
+    *
+    * @param string                        $container name of the container
+    * @param string                        $blob      name of the blob
+    * @param Models\PageRange              $range     Can be up to the value of the
+    * blob's full size.
+    * @param Models\CreateBlobPagesOptions $options   optional parameters
+    *
+    * @return Models\CreateBlobPagesResult.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691975.aspx
+    */
+    public function clearBlobPages($container, $blob, $range, $options = null);
+
+    /**
+    * Creates a range of pages to a page blob.
+    *
+    * @param string                        $container name of the container
+    * @param string                        $blob      name of the blob
+    * @param Models\PageRange              $range     Can be up to 4 MB in size
+    * @param string                        $content   the blob contents
+    * @param Models\CreateBlobPagesOptions $options   optional parameters
+    *
+    * @return Models\CreateBlobPagesResult.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691975.aspx
+    */
+    public function createBlobPages(
+        $container,
+        $blob,
+        $range,
+        $content,
+        $options = null
+    );
+
+    /**
+    * Creates a new block to be committed as part of a block blob.
+    *
+    * @param string                        $container name of the container
+    * @param string                        $blob      name of the blob
+    * @param string                        $blockId   must be less than or equal to
+    * 64 bytes in size. For a given blob, the length of the value specified for the
+    * blockid parameter must be the same size for each block.
+    * @param string                        $content   the blob block contents
+    * @param Models\CreateBlobBlockOptions $options   optional parameters
+    *
+    * @return none.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd135726.aspx
+    */
+    public function createBlobBlock(
+        $container,
+        $blob,
+        $blockId,
+        $content,
+        $options = null
+    );
+
+    /**
+    * This method writes a blob by specifying the list of block IDs that make up the
+    * blob. In order to be written as part of a blob, a block must have been
+    * successfully written to the server in a prior createBlobBlock method.
+    *
+    * You can call Put Block List to update a blob by uploading only those blocks
+    * that have changed, then committing the new and existing blocks together.
+    * You can do this by specifying whether to commit a block from the committed
+    * block list or from the uncommitted block list, or to commit the most recently
+    * uploaded version of the block, whichever list it may belong to.
+    *
+    * @param string                         $container name of the container
+    * @param string                         $blob      name of the blob
+    * @param Models\BlockList               $blockList the block list entries
+    * @param Models\CommitBlobBlocksOptions $options   optional parameters
+    *
+    * @return none.
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179467.aspx
+    */
+    public function commitBlobBlocks($container, $blob, $blockList, $options = null);
+
+    /**
+    * Retrieves the list of blocks that have been uploaded as part of a block blob.
+    *
+    * There are two block lists maintained for a blob:
+    * 1) Committed Block List: The list of blocks that have been successfully
+    *    committed to a given blob with commitBlobBlocks.
+    * 2) Uncommitted Block List: The list of blocks that have been uploaded for a
+    *    blob using Put Block (REST API), but that have not yet been committed.
+    *    These blocks are stored in Windows Azure in association with a blob, but do
+    *    not yet form part of the blob.
+    *
+    * @param string                       $container name of the container
+    * @param string                       $blob      name of the blob
+    * @param Models\ListBlobBlocksOptions $options   optional parameters
+    *
+    * @return Models\ListBlobBlocksResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179400.aspx
+    */
+    public function listBlobBlocks($container, $blob, $options = null);
+
+    /**
+    * Returns all properties and metadata on the blob.
+    *
+    * @param string                          $container name of the container
+    * @param string                          $blob      name of the blob
+    * @param Models\GetBlobPropertiesOptions $options   optional parameters
+    *
+    * @return Models\GetBlobPropertiesResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179394.aspx
+    */
+    public function getBlobProperties($container, $blob, $options = null);
+
+    /**
+    * Returns all properties and metadata on the blob.
+    *
+    * @param string                        $container name of the container
+    * @param string                        $blob      name of the blob
+    * @param Models\GetBlobMetadataOptions $options   optional parameters
+    *
+    * @return Models\GetBlobMetadataResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179350.aspx
+    */
+    public function getBlobMetadata($container, $blob, $options = null);
+
+    /**
+    * Returns a list of active page ranges for a page blob. Active page ranges are
+    * those that have been populated with data.
+    *
+    * @param string                           $container name of the container
+    * @param string                           $blob      name of the blob
+    * @param Models\ListPageBlobRangesOptions $options   optional parameters
+    *
+    * @return Models\ListPageBlobRangesResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691973.aspx
+    */
+    public function listPageBlobRanges($container, $blob, $options = null);
+
+    /**
+    * Sets system properties defined for a blob.
+    *
+    * @param string                          $container name of the container
+    * @param string                          $blob      name of the blob
+    * @param Models\SetBlobPropertiesOptions $options   optional parameters
+    *
+    * @return Models\SetBlobPropertiesResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691966.aspx
+    */
+    public function setBlobProperties($container, $blob, $options = null);
+
+    /**
+    * Sets metadata headers on the blob.
+    *
+    * @param string                        $container name of the container
+    * @param string                        $blob      name of the blob
+    * @param array                         $metadata  key/value pair representation
+    * @param Models\SetBlobMetadataOptions $options   optional parameters
+    *
+    * @return Models\SetBlobMetadataResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179414.aspx
+    */
+    public function setBlobMetadata($container, $blob, $metadata, $options = null);
+
+    /**
+    * Reads or downloads a blob from the system, including its metadata and
+    * properties.
+    *
+    * @param string                $container name of the container
+    * @param string                $blob      name of the blob
+    * @param Models\GetBlobOptions $options   optional parameters
+    *
+    * @return Models\GetBlobResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179440.aspx
+    */
+    public function getBlob($container, $blob, $options = null);
+
+    /**
+     * Deletes a blob or blob snapshot.
+     *
+     * Note that if the snapshot entry is specified in the $options then only this
+     * blob snapshot is deleted. To delete all blob snapshots, do not set Snapshot
+     * and just set getDeleteSnaphotsOnly to true.
+     *
+     * @param string                   $container name of the container
+     * @param string                   $blob      name of the blob
+     * @param Models\DeleteBlobOptions $options   optional parameters
+     *
+     * @return none
+     *
+     * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd179413.aspx
+     */
+    public function deleteBlob($container, $blob, $options = null);
+
+    /**
+    * Creates a snapshot of a blob.
+    *
+    * @param string                           $container name of the container
+    * @param string                           $blob      name of the blob
+    * @param Models\CreateBlobSnapshotOptions $options   optional parameters
+    *
+    * @return Models\CreateBlobSnapshotResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691971.aspx
+    */
+    public function createBlobSnapshot($container, $blob, $options = null);
+
+    /**
+    * Copies a source blob to a destination blob within the same storage account.
+    *
+    * @param string                 $destinationContainer name of container
+    * @param string                 $destinationBlob      name of blob
+    * @param string                 $sourceContainer      name of container
+    * @param string                 $sourceBlob           name of blob
+    * @param Models\CopyBlobOptions $options              optional parameters
+    *
+    * @return CopyBlobResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/dd894037.aspx
+    */
+    public function copyBlob(
+        $destinationContainer,
+        $destinationBlob,
+        $sourceContainer,
+        $sourceBlob,
+        $options = null
+    );
+
+    /**
+    * Establishes an exclusive one-minute write lock on a blob. To write to a locked
+    * blob, a client must provide a lease ID.
+    *
+    * @param string                     $container name of the container
+    * @param string                     $blob      name of the blob
+    * @param Models\AcquireLeaseOptions $options   optional parameters
+    *
+    * @return Models\AcquireLeaseResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691972.aspx
+    */
+    public function acquireLease($container, $blob, $options = null);
+
+    /**
+    * Renews an existing lease
+    *
+    * @param string                    $container name of the container
+    * @param string                    $blob      name of the blob
+    * @param string                    $leaseId   lease id when acquiring
+    * @param Models\BlobServiceOptions $options   optional parameters
+    *
+    * @return Models\AcquireLeaseResult
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691972.aspx
+    */
+    public function renewLease($container, $blob, $leaseId, $options = null);
+
+    /**
+    * Frees the lease if it is no longer needed so that another client may
+    * immediately acquire a lease against the blob.
+    *
+    * @param string                    $container name of the container
+    * @param string                    $blob      name of the blob
+    * @param string                    $leaseId   lease id when acquiring
+    * @param Models\BlobServiceOptions $options   optional parameters
+    *
+    * @return none
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691972.aspx
+    */
+    public function releaseLease($container, $blob, $leaseId, $options = null);
+
+    /**
+    * Ends the lease but ensure that another client cannot acquire a new lease until
+    * the current lease period has expired.
+    *
+    * @param string                    $container name of the container
+    * @param string                    $blob      name of the blob
+    * @param Models\BlobServiceOptions $options   optional parameters
+    *
+    * @return none
+    *
+    * @see http://msdn.microsoft.com/en-us/library/windowsazure/ee691972.aspx
+    */
+    public function breakLease($container, $blob, $options = null);
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/AccessCondition.php

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+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\WindowsAzureUtilities;
+
+/**
+ * Represents a set of access conditions to be used for operations against the
+ * storage services.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class AccessCondition
+{
+    /**
+     * Represents the header type.
+     *
+     * @var string
+     */
+    private $_header = Resources::EMPTY_STRING;
+    
+    /**
+     * Represents the header value.
+     *
+     * @var string
+     */
+    private $_value;
+
+    /**
+     * Constructor
+     *
+     * @param string $headerType header name
+     * @param string $value      header value
+     */
+    protected function __construct($headerType, $value)
+    {
+        $this->setHeader($headerType);
+        $this->setValue($value);
+    }
+    
+    /**
+     * Specifies that no access condition is set.
+     *
+     * @return \MicrosoftAzure\Storage\Blob\Models\AccessCondition
+     */
+    public static function none()
+    {
+        return new AccessCondition(Resources::EMPTY_STRING, null);
+    }
+    
+    /**
+     * Returns an access condition such that an operation will be performed only if
+     * the resource's ETag value matches the specified ETag value.
+     * <p>
+     * Setting this access condition modifies the request to include the HTTP
+     * <i>If-Match</i> conditional header. If this access condition is set, the
+     * operation is performed only if the ETag of the resource matches the specified
+     * ETag.
+     * <p>
+     * For more information, see
+     * <a href= 'http://go.microsoft.com/fwlink/?LinkID=224642&clcid=0x409'>
+     * Specifying Conditional Headers for Blob Service Operations</a>.
+     *
+     * @param string $etag a string that represents the ETag value to check.
+     *
+     * @return \MicrosoftAzure\Storage\Blob\Models\AccessCondition
+     */
+    public static function ifMatch($etag)
+    {
+        return new AccessCondition(Resources::IF_MATCH, $etag);
+    }
+    
+    /**
+     * Returns an access condition such that an operation will be performed only if
+     * the resource has been modified since the specified time.
+     * <p>
+     * Setting this access condition modifies the request to include the HTTP
+     * <i>If-Modified-Since</i> conditional header. If this access condition is set,
+     * the operation is performed only if the resource has been modified since the
+     * specified time.
+     * <p>
+     * For more information, see
+     * <a href= 'http://go.microsoft.com/fwlink/?LinkID=224642&clcid=0x409'>
+     * Specifying Conditional Headers for Blob Service Operations</a>.
+     *
+     * @param \DateTime $lastModified date that represents the last-modified
+     * time to check for the resource.
+     *
+     * @return \MicrosoftAzure\Storage\Blob\Models\AccessCondition
+     */
+    public static function ifModifiedSince($lastModified)
+    {
+        Validate::isDate($lastModified);
+        return new AccessCondition(
+            Resources::IF_MODIFIED_SINCE,
+            $lastModified
+        );
+    }
+    
+    /**
+     * Returns an access condition such that an operation will be performed only if
+     * the resource's ETag value does not match the specified ETag value.
+     * <p>
+     * Setting this access condition modifies the request to include the HTTP
+     * <i>If-None-Match</i> conditional header. If this access condition is set, the
+     * operation is performed only if the ETag of the resource does not match the
+     * specified ETag.
+     * <p>
+     * For more information,
+     * see <a href= 'http://go.microsoft.com/fwlink/?LinkID=224642&clcid=0x409'>
+     * Specifying Conditional Headers for Blob Service Operations</a>.
+     *
+     * @param string $etag string that represents the ETag value to check.
+     *
+     * @return \MicrosoftAzure\Storage\Blob\Models\AccessCondition
+     */
+    public static function ifNoneMatch($etag)
+    {
+        return new AccessCondition(Resources::IF_NONE_MATCH, $etag);
+    }
+    
+    /**
+     * Returns an access condition such that an operation will be performed only if
+     * the resource has not been modified since the specified time.
+     * <p>
+     * Setting this access condition modifies the request to include the HTTP
+     * <i>If-Unmodified-Since</i> conditional header. If this access condition is
+     * set, the operation is performed only if the resource has not been modified
+     * since the specified time.
+     * <p>
+     * For more information, see
+     * <a href= 'http://go.microsoft.com/fwlink/?LinkID=224642&clcid=0x409'>
+     * Specifying Conditional Headers for Blob Service Operations</a>.
+     *
+     * @param \DateTime $lastModified date that represents the last-modified
+     * time to check for the resource.
+     *
+     * @return \MicrosoftAzure\Storage\Blob\Models\AccessCondition
+     */
+    public static function ifNotModifiedSince($lastModified)
+    {
+        Validate::isDate($lastModified);
+        return new AccessCondition(
+            Resources::IF_UNMODIFIED_SINCE,
+            $lastModified
+        );
+    }
+    
+    /**
+     * Sets header type
+     *
+     * @param string $headerType can be one of Resources
+     *
+     * @return none.
+     */
+    public function setHeader($headerType)
+    {
+        $valid = AccessCondition::isValid($headerType);
+        Validate::isTrue($valid, Resources::INVALID_HT_MSG);
+        
+        $this->_header = $headerType;
+    }
+    
+    /**
+     * Gets header type
+     *
+     * @return string.
+     */
+    public function getHeader()
+    {
+        return $this->_header;
+    }
+    
+    /**
+     * Sets the header value
+     *
+     * @param string $value the value to use
+     *
+     * @return none
+     */
+    public function setValue($value)
+    {
+        $this->_value = $value;
+    }
+    
+    /**
+     * Gets the header value
+     *
+     * @return string
+     */
+    public function getValue()
+    {
+        return $this->_value;
+    }
+    
+    /**
+     * Check if the $headerType belongs to valid header types
+     *
+     * @param string $headerType candidate header type
+     *
+     * @return boolean
+     */
+    public static function isValid($headerType)
+    {
+        if ($headerType == Resources::EMPTY_STRING
+            || $headerType == Resources::IF_UNMODIFIED_SINCE
+            || $headerType == Resources::IF_MATCH
+            || $headerType == Resources::IF_MODIFIED_SINCE
+            || $headerType == Resources::IF_NONE_MATCH
+        ) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/AccessPolicy.php

@@ -0,0 +1,141 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Holds container access policy elements
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class AccessPolicy
+{
+    /**
+     * @var string
+     */
+    private $_start;
+    
+    /**
+     * @var \DateTime
+     */
+    private $_expiry;
+    
+    /**
+     * @var \DateTime
+     */
+    private $_permission;
+    
+    /**
+     * Gets start.
+     *
+     * @return \DateTime.
+     */
+    public function getStart()
+    {
+        return $this->_start;
+    }
+
+    /**
+     * Sets start.
+     *
+     * @param \DateTime $start value.
+     *
+     * @return none.
+     */
+    public function setStart($start)
+    {
+        Validate::isDate($start);
+        $this->_start = $start;
+    }
+    
+    /**
+     * Gets expiry.
+     *
+     * @return \DateTime.
+     */
+    public function getExpiry()
+    {
+        return $this->_expiry;
+    }
+
+    /**
+     * Sets expiry.
+     *
+     * @param \DateTime $expiry value.
+     *
+     * @return none.
+     */
+    public function setExpiry($expiry)
+    {
+        Validate::isDate($expiry);
+        $this->_expiry = $expiry;
+    }
+    
+    /**
+     * Gets permission.
+     *
+     * @return string.
+     */
+    public function getPermission()
+    {
+        return $this->_permission;
+    }
+
+    /**
+     * Sets permission.
+     *
+     * @param string $permission value.
+     *
+     * @return none.
+     */
+    public function setPermission($permission)
+    {
+        $this->_permission = $permission;
+    }
+    
+    /**
+     * Converts this current object to XML representation.
+     *
+     * @return array.
+     */
+    public function toArray()
+    {
+        $array = array();
+        
+        $array['Start']      = Utilities::convertToEdmDateTime($this->_start);
+        $array['Expiry']     = Utilities::convertToEdmDateTime($this->_expiry);
+        $array['Permission'] = $this->_permission;
+        
+        return $array;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/AcquireLeaseOptions.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Optional parameters for acquireLease wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class AcquireLeaseOptions extends BlobServiceOptions
+{
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Gets access condition
+     *
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     *
+     * @param AccessCondition $accessCondition value to use.
+     *
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/AcquireLeaseResult.php

@@ -0,0 +1,88 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * The result of calling acquireLease API.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class AcquireLeaseResult
+{
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * Creates AcquireLeaseResult from response headers
+     * 
+     * @param array $headers response headers
+     * 
+     * @return AcquireLeaseResult
+     */
+    public static function create($headers)
+    {
+        $result = new AcquireLeaseResult();
+        
+        $result->setLeaseId(
+            Utilities::tryGetValue($headers, Resources::X_MS_LEASE_ID)
+        );
+        
+        return $result;
+    }
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/Blob.php

@@ -0,0 +1,174 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Represents windows azure blob object
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Blob
+{
+    /**
+     * @var string
+     */
+    private $_name;
+    
+    /**
+     * @var string
+     */
+    private $_url;
+    
+    /**
+     * @var string
+     */
+    private $_snapshot;
+
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * @var BlobProperties
+     */
+    private $_properties;
+
+    /**
+     * Gets blob name.
+     *
+     * @return string.
+     */
+    public function getName()
+    {
+        return $this->_name;
+    }
+
+    /**
+     * Sets blob name.
+     *
+     * @param string $name value.
+     *
+     * @return none.
+     */
+    public function setName($name)
+    {
+        $this->_name = $name;
+    }
+    
+    /**
+     * Gets blob snapshot.
+     *
+     * @return string.
+     */
+    public function getSnapshot()
+    {
+        return $this->_snapshot;
+    }
+
+    /**
+     * Sets blob snapshot.
+     *
+     * @param string $snapshot value.
+     *
+     * @return none.
+     */
+    public function setSnapshot($snapshot)
+    {
+        $this->_snapshot = $snapshot;
+    }
+
+    /**
+     * Gets blob url.
+     *
+     * @return string.
+     */
+    public function getUrl()
+    {
+        return $this->_url;
+    }
+
+    /**
+     * Sets blob url.
+     *
+     * @param string $url value.
+     *
+     * @return none.
+     */
+    public function setUrl($url)
+    {
+        $this->_url = $url;
+    }
+
+    /**
+     * Gets blob metadata.
+     *
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets blob metadata.
+     *
+     * @param array $metadata value.
+     *
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Gets blob properties.
+     *
+     * @return BlobProperties.
+     */
+    public function getProperties()
+    {
+        return $this->_properties;
+    }
+
+    /**
+     * Sets blob properties.
+     *
+     * @param BlobProperties $properties value.
+     *
+     * @return none.
+     */
+    public function setProperties($properties)
+    {
+        $this->_properties = $properties;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/BlobBlockType.php

@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Holds available blob block types
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class BlobBlockType
+{
+    const COMMITTED_TYPE   = 'Committed';
+    const UNCOMMITTED_TYPE = 'Uncommitted';
+    const LATEST_TYPE      = 'Latest';
+    
+    /**
+     * Validates the provided type.
+     *
+     * @param string $type The entry type.
+     *
+     * @return boolean
+     */
+    public static function isValid($type)
+    {
+        switch ($type) {
+            case self::COMMITTED_TYPE:
+            case self::LATEST_TYPE:
+            case self::UNCOMMITTED_TYPE:
+                return true;
+        
+            default:
+                return false;
+        }
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/BlobPrefix.php

@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Represents BlobPrefix object
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class BlobPrefix
+{
+    /**
+     * @var string
+     */
+    private $_name;
+    
+    /**
+     * Gets blob name.
+     *
+     * @return string.
+     */
+    public function getName()
+    {
+        return $this->_name;
+    }
+
+    /**
+     * Sets blob name.
+     *
+     * @param string $name value.
+     * 
+     * @return none.
+     */
+    public function setName($name)
+    {
+        $this->_name = $name;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/BlobProperties.php

@@ -0,0 +1,431 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Represents blob properties
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class BlobProperties
+{
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * @var string
+     */
+    private $_contentType;
+    
+    /**
+     * @var integer
+     */
+    private $_contentLength;
+    
+    /**
+     * @var string
+     */
+    private $_contentEncoding;
+    
+    /**
+     * @var string
+     */
+    private $_contentLanguage;
+    
+    /**
+     * @var string
+     */
+    private $_contentMD5;
+    
+    /**
+     * @var string
+     */
+    private $_contentRange;
+    
+    /**
+     * @var string
+     */
+    private $_cacheControl;
+    
+    /**
+     * @var string
+     */
+    private $_blobType;
+    
+    /**
+     * @var string
+     */
+    private $_leaseStatus;
+    
+    /**
+     * @var integer
+     */
+    private $_sequenceNumber;
+    
+    /**
+     * Creates BlobProperties object from $parsed response in array representation
+     * 
+     * @param array $parsed parsed response in array format.
+     * 
+     * @return BlobProperties
+     */
+    public static function create($parsed)
+    {
+        $result = new BlobProperties();
+        $clean  = array_change_key_case($parsed);
+        
+        $date = Utilities::tryGetValue($clean, Resources::LAST_MODIFIED);
+        $result->setBlobType(Utilities::tryGetValue($clean, 'blobtype'));
+        $result->setContentLength(intval($clean[Resources::CONTENT_LENGTH]));
+        $result->setETag(Utilities::tryGetValue($clean, Resources::ETAG));
+        
+        if (!is_null($date)) {
+            $date = Utilities::rfc1123ToDateTime($date);
+            $result->setLastModified($date);
+        }
+        
+        $result->setLeaseStatus(Utilities::tryGetValue($clean, 'leasestatus'));
+        $result->setLeaseStatus(
+            Utilities::tryGetValue(
+                $clean, Resources::X_MS_LEASE_STATUS, $result->getLeaseStatus()
+            )
+        );
+        $result->setSequenceNumber(
+            intval(
+                Utilities::tryGetValue($clean, Resources::X_MS_BLOB_SEQUENCE_NUMBER)
+            )
+        );
+        $result->setContentRange(
+            Utilities::tryGetValue($clean, Resources::CONTENT_RANGE)
+        );
+        $result->setCacheControl(
+            Utilities::tryGetValue($clean, Resources::CACHE_CONTROL)
+        );
+        $result->setBlobType(
+            Utilities::tryGetValue(
+                $clean, Resources::X_MS_BLOB_TYPE, $result->getBlobType()
+            )
+        );
+        $result->setContentEncoding(
+            Utilities::tryGetValue($clean, Resources::CONTENT_ENCODING)
+        );
+        $result->setContentLanguage(
+            Utilities::tryGetValue($clean, Resources::CONTENT_LANGUAGE)
+        );
+        $result->setContentMD5(
+            Utilities::tryGetValue($clean, Resources::CONTENT_MD5)
+        );
+        $result->setContentType(
+            Utilities::tryGetValue($clean, Resources::CONTENT_TYPE)
+        );
+        
+        return $result;
+    }
+
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        Validate::isDate($lastModified);
+        $this->_lastModified = $lastModified;
+    }
+
+    /**
+     * Gets blob etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets blob etag.
+     *
+     * @param string $etag value.
+     *
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets blob contentType.
+     *
+     * @return string.
+     */
+    public function getContentType()
+    {
+        return $this->_contentType;
+    }
+
+    /**
+     * Sets blob contentType.
+     *
+     * @param string $contentType value.
+     *
+     * @return none.
+     */
+    public function setContentType($contentType)
+    {
+        $this->_contentType = $contentType;
+    }
+    
+    /**
+     * Gets blob contentRange.
+     *
+     * @return string.
+     */
+    public function getContentRange()
+    {
+        return $this->_contentRange;
+    }
+
+    /**
+     * Sets blob contentRange.
+     *
+     * @param string $contentRange value.
+     *
+     * @return none.
+     */
+    public function setContentRange($contentRange)
+    {
+        $this->_contentRange = $contentRange;
+    }
+    
+    /**
+     * Gets blob contentLength.
+     *
+     * @return integer.
+     */
+    public function getContentLength()
+    {
+        return $this->_contentLength;
+    }
+
+    /**
+     * Sets blob contentLength.
+     *
+     * @param integer $contentLength value.
+     *
+     * @return none.
+     */
+    public function setContentLength($contentLength)
+    {
+        Validate::isInteger($contentLength, 'contentLength');
+        $this->_contentLength = $contentLength;
+    }
+    
+    /**
+     * Gets blob contentEncoding.
+     *
+     * @return string.
+     */
+    public function getContentEncoding()
+    {
+        return $this->_contentEncoding;
+    }
+
+    /**
+     * Sets blob contentEncoding.
+     *
+     * @param string $contentEncoding value.
+     *
+     * @return none.
+     */
+    public function setContentEncoding($contentEncoding)
+    {
+        $this->_contentEncoding = $contentEncoding;
+    }
+    
+    /**
+     * Gets blob contentLanguage.
+     *
+     * @return string.
+     */
+    public function getContentLanguage()
+    {
+        return $this->_contentLanguage;
+    }
+
+    /**
+     * Sets blob contentLanguage.
+     *
+     * @param string $contentLanguage value.
+     *
+     * @return none.
+     */
+    public function setContentLanguage($contentLanguage)
+    {
+        $this->_contentLanguage = $contentLanguage;
+    }
+    
+    /**
+     * Gets blob contentMD5.
+     *
+     * @return string.
+     */
+    public function getContentMD5()
+    {
+        return $this->_contentMD5;
+    }
+
+    /**
+     * Sets blob contentMD5.
+     *
+     * @param string $contentMD5 value.
+     *
+     * @return none.
+     */
+    public function setContentMD5($contentMD5)
+    {
+        $this->_contentMD5 = $contentMD5;
+    }
+    
+    /**
+     * Gets blob cacheControl.
+     *
+     * @return string.
+     */
+    public function getCacheControl()
+    {
+        return $this->_cacheControl;
+    }
+
+    /**
+     * Sets blob cacheControl.
+     *
+     * @param string $cacheControl value.
+     *
+     * @return none.
+     */
+    public function setCacheControl($cacheControl)
+    {
+        $this->_cacheControl = $cacheControl;
+    }
+    
+    /**
+     * Gets blob blobType.
+     *
+     * @return string.
+     */
+    public function getBlobType()
+    {
+        return $this->_blobType;
+    }
+
+    /**
+     * Sets blob blobType.
+     *
+     * @param string $blobType value.
+     *
+     * @return none.
+     */
+    public function setBlobType($blobType)
+    {
+        $this->_blobType = $blobType;
+    }
+    
+    /**
+     * Gets blob leaseStatus.
+     *
+     * @return string.
+     */
+    public function getLeaseStatus()
+    {
+        return $this->_leaseStatus;
+    }
+
+    /**
+     * Sets blob leaseStatus.
+     *
+     * @param string $leaseStatus value.
+     *
+     * @return none.
+     */
+    public function setLeaseStatus($leaseStatus)
+    {
+        $this->_leaseStatus = $leaseStatus;
+    }
+    
+    /**
+     * Gets blob sequenceNumber.
+     *
+     * @return int.
+     */
+    public function getSequenceNumber()
+    {
+        return $this->_sequenceNumber;
+    }
+
+    /**
+     * Sets blob sequenceNumber.
+     *
+     * @param int $sequenceNumber value.
+     *
+     * @return none.
+     */
+    public function setSequenceNumber($sequenceNumber)
+    {
+        Validate::isInteger($sequenceNumber, 'sequenceNumber');
+        $this->_sequenceNumber = $sequenceNumber;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/BlobServiceOptions.php

@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Blob service options.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class BlobServiceOptions
+{
+    private $_timeout;
+
+    /**
+     * Gets timeout.
+     *
+     * @return string.
+     */
+    public function getTimeout()
+    {
+        return $this->_timeout;
+    }
+
+    /**
+     * Sets timeout.
+     *
+     * @param string $timeout value.
+     * 
+     * @return none.
+     */
+    public function setTimeout($timeout)
+    {
+        $this->_timeout = $timeout;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/BlobType.php

@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Encapsulates blob types
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class BlobType
+{
+    const BLOCK_BLOB = 'BlockBlob';
+    const PAGE_BLOB  = 'PageBlob';
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/Block.php

@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Holds information about blob block.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Block
+{
+    /**
+     * @var string
+     */
+    private $_blockId;
+    
+    /**
+     * @var string
+     */
+    private $_type;
+
+    public function __construct($blockId = '', $type = '')
+    {
+        $this->_blockId = $blockId;
+        $this->_type = $type;
+    }
+    
+    /**
+     * Sets the blockId.
+     *
+     * @param string $blockId The id of the block.
+     *
+     * @return none
+     */
+    public function setBlockId($blockId)
+    {
+        $this->_blockId = $blockId;
+    }
+    
+    /**
+     * Gets the blockId.
+     *
+     * @return string
+     */
+    public function getBlockId()
+    {
+        return $this->_blockId;
+    }
+    
+    /**
+     * Sets the type.
+     *
+     * @param string $type The type of the block.
+     *
+     * @return none
+     */
+    public function setType($type)
+    {
+        $this->_type = $type;
+    }
+    
+    /**
+     * Gets the type.
+     *
+     * @return string
+     */
+    public function getType()
+    {
+        return $this->_type;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/BlockList.php

@@ -0,0 +1,175 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Serialization\XmlSerializer;
+use MicrosoftAzure\Storage\Blob\Models\Block;
+
+/**
+ * Holds block list used for commitBlobBlocks
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class BlockList
+{
+    /**
+     * @var array
+     */
+    private $_entries;
+    public static $xmlRootName = 'BlockList';
+    
+    /**
+     * Creates block list from array of blocks.
+     * 
+     * @param array $array The blocks array.
+     * 
+     * @return BlockList
+     */
+    public static function create($array)
+    {
+        $blockList = new BlockList();
+        
+        foreach ($array as $value) {
+            $blockList->addEntry($value->getBlockId(), $value->getType());
+        }
+        
+        return $blockList;
+    }
+    
+    /**
+     * Adds new entry to the block list entries.
+     * 
+     * @param string $blockId The block id.
+     * @param string $type    The entry type, you can use BlobBlockType.
+     * 
+     * @return none
+     */
+    public function addEntry($blockId, $type)
+    {
+        Validate::isString($blockId, 'blockId');
+        Validate::isTrue(
+            BlobBlockType::isValid($type),
+            sprintf(Resources::INVALID_BTE_MSG, get_class(new BlobBlockType()))
+        );
+        $block = new Block();
+        $block->setBlockId($blockId);
+        $block->setType($type);
+        
+        $this->_entries[] = $block;
+    }
+    
+    /**
+     * Addds committed block entry.
+     * 
+     * @param string $blockId The block id.
+     * 
+     * @return none
+     */
+    public function addCommittedEntry($blockId)
+    {
+        $this->addEntry($blockId, BlobBlockType::COMMITTED_TYPE);
+    }
+    
+    /**
+     * Addds uncommitted block entry.
+     * 
+     * @param string $blockId The block id.
+     * 
+     * @return none
+     */
+    public function addUncommittedEntry($blockId)
+    {
+        $this->addEntry($blockId, BlobBlockType::UNCOMMITTED_TYPE);
+    }
+    
+    /**
+     * Addds latest block entry.
+     * 
+     * @param string $blockId The block id.
+     * 
+     * @return none
+     */
+    public function addLatestEntry($blockId)
+    {
+        $this->addEntry($blockId, BlobBlockType::LATEST_TYPE);
+    }
+    
+    /**
+     * Gets blob block entry.
+     * 
+     * @param string $blockId The id of the block.
+     * 
+     * @return Block
+     */
+    public function getEntry($blockId)
+    {
+        foreach ($this->_entries as $value) {
+            if ($blockId == $value->getBlockId()) {
+                return $value;
+            }
+        }
+        
+        return null;
+    }
+    
+    /**
+     * Gets all blob block entries.
+     * 
+     * @return string
+     */
+    public function getEntries()
+    {
+        return $this->_entries;
+    }
+    
+    /**
+     * Converts the  BlockList object to XML representation
+     * 
+     * @param XmlSerializer $xmlSerializer The XML serializer.
+     * 
+     * @return string
+     */
+    public function toXml($xmlSerializer)
+    {
+        $properties = array(XmlSerializer::ROOT_NAME => self::$xmlRootName);
+        $array      = array();
+        
+        foreach ($this->_entries as $value) {
+            $array[] = array(
+                $value->getType() => $value->getBlockId()
+            );
+        }
+        
+        return $xmlSerializer->serialize($array, $properties);
+    }
+}
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/BreakLeaseResult.php

@@ -0,0 +1,86 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * The result of calling breakLease API.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class BreakLeaseResult
+{
+    /**
+     * @var string
+     */
+    private $_leaseTime;
+    
+    /**
+     * Creates BreakLeaseResult from response headers
+     * 
+     * @param array $headers response headers
+     * 
+     * @return BreakLeaseResult
+     */
+    public static function create($headers)
+    {
+        $result = new BreakLeaseResult();
+        
+        $result->setLeaseTime(
+            Utilities::tryGetValue($headers, Resources::X_MS_LEASE_TIME)
+        );
+        
+        return $result;
+    }
+    
+    /**
+     * Gets lease time.
+     * 
+     * @return string
+     */
+    public function getLeaseTime()
+    {
+        return $this->_leaseTime;
+    }
+    
+    /**
+     * Sets lease time.
+     * 
+     * @param string $leaseTime the blob lease time.
+     * 
+     * @return none
+     */
+    public function setLeaseTime($leaseTime)
+    {
+        $this->_leaseTime = $leaseTime;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CommitBlobBlocksOptions.php

@@ -0,0 +1,258 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Optional parameters for commitBlobBlocks
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CommitBlobBlocksOptions extends BlobServiceOptions
+{
+     /**
+     * @var string
+     */
+    private $_blobContentType;
+    
+    /**
+     * @var string
+     */
+    private $_blobContentEncoding;
+    
+    /**
+     * @var string
+     */
+    private $_blobContentLanguage;
+    
+    /**
+     * @var string
+     */
+    private $_blobContentMD5;
+    
+    /**
+     * @var string
+     */
+    private $_blobCacheControl;
+    
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Gets blob ContentType.
+     *
+     * @return string.
+     */
+    public function getBlobContentType()
+    {
+        return $this->_blobContentType;
+    }
+
+    /**
+     * Sets blob ContentType.
+     *
+     * @param string $blobContentType value.
+     *
+     * @return none.
+     */
+    public function setBlobContentType($blobContentType)
+    {
+        $this->_blobContentType = $blobContentType;
+    }
+    
+    /**
+     * Gets blob ContentEncoding.
+     *
+     * @return string.
+     */
+    public function getBlobContentEncoding()
+    {
+        return $this->_blobContentEncoding;
+    }
+
+    /**
+     * Sets blob ContentEncoding.
+     *
+     * @param string $blobContentEncoding value.
+     *
+     * @return none.
+     */
+    public function setBlobContentEncoding($blobContentEncoding)
+    {
+        $this->_blobContentEncoding = $blobContentEncoding;
+    }
+    
+    /**
+     * Gets blob ContentLanguage.
+     *
+     * @return string.
+     */
+    public function getBlobContentLanguage()
+    {
+        return $this->_blobContentLanguage;
+    }
+
+    /**
+     * Sets blob ContentLanguage.
+     *
+     * @param string $blobContentLanguage value.
+     *
+     * @return none.
+     */
+    public function setBlobContentLanguage($blobContentLanguage)
+    {
+        $this->_blobContentLanguage = $blobContentLanguage;
+    }
+    
+    /**
+     * Gets blob ContentMD5.
+     *
+     * @return string.
+     */
+    public function getBlobContentMD5()
+    {
+        return $this->_blobContentMD5;
+    }
+
+    /**
+     * Sets blob ContentMD5.
+     *
+     * @param string $blobContentMD5 value.
+     *
+     * @return none.
+     */
+    public function setBlobContentMD5($blobContentMD5)
+    {
+        $this->_blobContentMD5 = $blobContentMD5;
+    }
+    
+    /**
+     * Gets blob cache control.
+     *
+     * @return string.
+     */
+    public function getBlobCacheControl()
+    {
+        return $this->_blobCacheControl;
+    }
+    
+    /**
+     * Sets blob cacheControl.
+     *
+     * @param string $blobCacheControl value to use.
+     * 
+     * @return none.
+     */
+    public function setBlobCacheControl($blobCacheControl)
+    {
+        $this->_blobCacheControl = $blobCacheControl;
+    }
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets blob metadata.
+     *
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets blob metadata.
+     *
+     * @param array $metadata value.
+     * 
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/Container.php

@@ -0,0 +1,150 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * WindowsAzure container object.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Container
+{
+    /**
+     * @var string
+     */
+    private $_name;
+    
+    /**
+     * @var string
+     */
+    private $_url;
+    
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * @var ContainerProperties
+     */
+    private $_properties;
+
+    /**
+     * Gets container name.
+     *
+     * @return string.
+     */
+    public function getName()
+    {
+        return $this->_name;
+    }
+
+    /**
+     * Sets container name.
+     *
+     * @param string $name value.
+     * 
+     * @return none.
+     */
+    public function setName($name)
+    {
+        $this->_name = $name;
+    }
+
+    /**
+     * Gets container url.
+     *
+     * @return string.
+     */
+    public function getUrl()
+    {
+        return $this->_url;
+    }
+
+    /**
+     * Sets container url.
+     *
+     * @param string $url value.
+     * 
+     * @return none.
+     */
+    public function setUrl($url)
+    {
+        $this->_url = $url;
+    }
+
+    /**
+     * Gets container metadata.
+     *
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets container metadata.
+     *
+     * @param array $metadata value.
+     * 
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Gets container properties
+     * 
+     * @return ContainerProperties
+     */
+    public function getProperties()
+    {
+        return $this->_properties;
+    }
+    
+    /**
+     * Sets container properties
+     * 
+     * @param ContainerProperties $properties container properties
+     * 
+     * @return none.
+     */
+    public function setProperties($properties)
+    {
+        $this->_properties = $properties;
+    }
+}
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ContainerACL.php

@@ -0,0 +1,218 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Blob\Models\AccessPolicy;
+use MicrosoftAzure\Storage\Blob\Models\SignedIdentifier;
+use MicrosoftAzure\Storage\Blob\Models\PublicAccessType;
+use MicrosoftAzure\Storage\Common\Internal\Serialization\XmlSerializer;
+
+/**
+ * Holds conatiner ACL members.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ContainerAcl
+{
+    /**
+     * All available types can be found in PublicAccessType
+     *
+     * @var string
+     */
+    private $_publicAccess;
+
+    /**
+     * @var array
+     */
+    private $_signedIdentifiers = array();
+    
+    /*
+     * The root name of XML elemenet representation.
+     * 
+     * @var string
+     */
+    public static $xmlRootName = 'SignedIdentifiers';
+
+
+    /**
+     * Parses the given array into signed identifiers.
+     *
+     * @param string $publicAccess The container public access.
+     * @param array  $parsed       The parsed response into array representation.
+     *
+     * @return none
+     */
+    public static function create($publicAccess, $parsed)
+    {
+        $result                     = new ContainerAcl();
+        $result->_publicAccess      = $publicAccess;
+        $result->_signedIdentifiers = array();
+        
+        if (!empty($parsed) && is_array($parsed['SignedIdentifier'])) {
+            $entries = $parsed['SignedIdentifier'];
+            $temp    = Utilities::getArray($entries);
+
+            foreach ($temp as $value) {
+                $startString  = urldecode($value['AccessPolicy']['Start']);
+                $expiryString = urldecode($value['AccessPolicy']['Expiry']);
+                $start        = Utilities::convertToDateTime($startString);
+                $expiry       = Utilities::convertToDateTime($expiryString);
+                $permission   = $value['AccessPolicy']['Permission'];
+                $id           = $value['Id'];
+                $result->addSignedIdentifier($id, $start, $expiry, $permission);
+            }
+        }
+        
+        return $result;
+    }
+
+    /**
+     * Gets container signed modifiers.
+     *
+     * @return array.
+     */
+    public function getSignedIdentifiers()
+    {
+        return $this->_signedIdentifiers;
+    }
+
+    /**
+     * Sets container signed modifiers.
+     *
+     * @param array $signedIdentifiers value.
+     *
+     * @return none.
+     */
+    public function setSignedIdentifiers($signedIdentifiers)
+    {
+        $this->_signedIdentifiers = $signedIdentifiers;
+    }
+
+    /**
+     * Gets container publicAccess.
+     *
+     * @return string.
+     */
+    public function getPublicAccess()
+    {
+        return $this->_publicAccess;
+    }
+
+    /**
+     * Sets container publicAccess.
+     *
+     * @param string $publicAccess value.
+     *
+     * @return none.
+     */
+    public function setPublicAccess($publicAccess)
+    {
+        Validate::isTrue(
+            PublicAccessType::isValid($publicAccess),
+            Resources::INVALID_BLOB_PAT_MSG
+        );
+        $this->_publicAccess = $publicAccess;
+    }
+
+    /**
+     * Adds new signed modifier
+     *
+     * @param string    $id         a unique id for this modifier
+     * @param \DateTime $start      The time at which the Shared Access Signature
+     * becomes valid. If omitted, start time for this call is assumed to be
+     * the time when the Blob service receives the request.
+     * @param \DateTime $expiry     The time at which the Shared Access Signature
+     * becomes invalid. This field may be omitted if it has been specified as
+     * part of a container-level access policy.
+     * @param string    $permission The permissions associated with the Shared
+     * Access Signature. The user is restricted to operations allowed by the
+     * permissions. Valid permissions values are read (r), write (w), delete (d) and
+     * list (l).
+     *
+     * @return none.
+     *
+     * @see http://msdn.microsoft.com/en-us/library/windowsazure/hh508996.aspx
+     */
+    public function addSignedIdentifier($id, $start, $expiry, $permission)
+    {
+        Validate::isString($id, 'id');
+        Validate::isDate($start);
+        Validate::isDate($expiry);
+        Validate::isString($permission, 'permission');
+        
+        $accessPolicy = new AccessPolicy();
+        $accessPolicy->setStart($start);
+        $accessPolicy->setExpiry($expiry);
+        $accessPolicy->setPermission($permission);
+        
+        $signedIdentifier = new SignedIdentifier();
+        $signedIdentifier->setId($id);
+        $signedIdentifier->setAccessPolicy($accessPolicy);
+        
+        $this->_signedIdentifiers[] = $signedIdentifier;
+    }
+    
+    /**
+     * Converts this object to array representation for XML serialization
+     *
+     * @return array.
+     */
+    public function toArray()
+    {
+        $array = array();
+        
+        foreach ($this->_signedIdentifiers as $value) {
+            $array[] = $value->toArray();
+        }
+        
+        return $array;
+    }
+    
+    /**
+     * Converts this current object to XML representation.
+     *
+     * @param XmlSerializer $xmlSerializer The XML serializer.
+     *
+     * @return string.
+     */
+    public function toXml($xmlSerializer)
+    {
+        $properties = array(
+            XmlSerializer::DEFAULT_TAG => 'SignedIdentifier',
+            XmlSerializer::ROOT_NAME   => self::$xmlRootName
+        );
+        
+        return $xmlSerializer->serialize($this->toArray(), $properties);
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ContainerProperties.php

@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Holds container properties fields
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ContainerProperties
+{
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * Gets container lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets container lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     * 
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        $this->_lastModified = $lastModified;
+    }
+    
+    /**
+     * Gets container etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets container etag.
+     *
+     * @param string $etag value.
+     * 
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        $this->_etag = $etag;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CopyBlobOptions.php

@@ -0,0 +1,205 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * optional parameters for CopyBlobOptions wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CopyBlobOptions extends BlobServiceOptions
+{
+
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_sourceAccessCondition;
+    
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * @var string 
+     */
+    private $_sourceSnapshot;
+    
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var sourceLeaseId
+     */
+    private $_sourceLeaseId;
+  
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets source access condition
+     * 
+     * @return SourceAccessCondition
+     */
+    public function getSourceAccessCondition()
+    {
+        return $this->_sourceAccessCondition;
+    }
+    
+    /**
+     * Sets source access condition
+     * 
+     * @param SourceAccessCondition $sourceAccessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setSourceAccessCondition($sourceAccessCondition)
+    {
+        $this->_sourceAccessCondition = $sourceAccessCondition;
+    }
+    
+    /**
+     * Gets metadata.
+     *
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets metadata.
+     *
+     * @param array $metadata value.
+     *
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Gets source snapshot. 
+     * 
+     * @return string
+     */
+    public function getSourceSnapshot()
+    {
+        return $this->_sourceSnapshot;
+    }
+       
+    /**
+     * Sets source snapshot. 
+     * 
+     * @param string $sourceSnapshot value.
+     * 
+     * @return none
+     */
+    public function setSourceSnapshot($sourceSnapshot)
+    {
+        $this->_sourceSnapshot = $sourceSnapshot;
+    }
+   
+    /**
+     * Gets lease ID.
+     *
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+
+    /**
+     * Sets lease ID.
+     *
+     * @param string $leaseId value.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets source lease ID.
+     *
+     * @return string
+     */
+    public function getSourceLeaseId()
+    {
+        return $this->_sourceLeaseId;
+    }
+
+    /**
+     * Sets source lease ID.
+     *
+     * @param string $sourceLeaseId value.
+     * 
+     * @return none
+     */
+    public function setSourceLeaseId($sourceLeaseId)
+    {
+        $this->_sourceLeaseId = $sourceLeaseId;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CopyBlobResult.php

@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * The result of calling copyBlob API.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CopyBlobResult
+{
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * Creates CopyBlobResult object from the response of the copy blob request.
+     *
+     * @param array $headers The HTTP response headers in array representation.
+     *
+     * @return CopyBlobResult
+     */
+    public static function create($headers)
+    {
+        $result = new CopyBlobResult();
+        $result->setETag(
+            Utilities::tryGetValueInsensitive(
+                Resources::ETAG,
+                $headers
+            )
+        );
+        if (Utilities::arrayKeyExistsInsensitive(Resources::LAST_MODIFIED, $headers)) {
+            $lastModified = Utilities::tryGetValueInsensitive(
+                Resources::LAST_MODIFIED,
+                $headers
+            );
+            $result->setLastModified(Utilities::rfc1123ToDateTime($lastModified));
+        }
+        
+        return $result;
+    }
+    
+    /**
+     * Gets ETag.
+     *
+     * @return string
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets ETag.
+     *
+     * @param string $etag value.
+     *
+     * @return none
+     */
+    public function setETag($etag)
+    {
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none
+     */
+    public function setLastModified($lastModified)
+    {
+        $this->_lastModified = $lastModified;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CreateBlobBlockOptions.php

@@ -0,0 +1,139 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Blob\Models\CreateBlobOptions;
+
+/**
+ * Optional parameters for createBlobBlock wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CreateBlobBlockOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_contentMD5;
+    
+    /**
+     * @var string
+     */
+    private $_leaseId;
+
+    /**
+     * @var int
+     */
+    private $_numberOfConcurrency;
+    
+    /**
+     * Gets lease Id for the blob
+     *
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     *
+     * @param string $leaseId the blob lease id.
+     *
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets blob contentMD5.
+     *
+     * @return string.
+     */
+    public function getContentMD5()
+    {
+        return $this->_contentMD5;
+    }
+
+    /**
+     * Sets blob contentMD5.
+     *
+     * @param string $contentMD5 value.
+     *
+     * @return none.
+     */
+    public function setContentMD5($contentMD5)
+    {
+        $this->_contentMD5 = $contentMD5;
+    }
+
+    /**
+     * Gets number of concurrency for sending a blob.
+     *
+     * @return int
+     */
+    public function getNumberOfConcurrency()
+    {
+        return $this->_numberOfConcurrency;
+    }
+
+    /**
+     * Sets number of concurrency for sending a blob.
+     *
+     * @param int $numberOfConcurrency the number of concurrent requests.
+     */
+    public function setNumberOfConcurrency($numberOfConcurrency)
+    {
+        $this->_numberOfConcurrency = $numberOfConcurrency;
+    }
+
+    /**
+     * Construct a CreateBlobBlockOptions object from a createBlobOptions.
+     *
+     * @param  CreateBlobOptions $createBlobOptions
+     *
+     * @return CreateBlobBlockOptions
+     */
+    public static function create($createBlobOptions)
+    {
+        $result = new CreateBlobBlockOptions();
+        $result->setTimeout($createBlobOptions->getTimeout());
+        $result->setContentMD5($createBlobOptions->getContentMD5());
+        $result->setLeaseId($createBlobOptions->getLeaseId());
+        $result->setNumberOfConcurrency(
+            $createBlobOptions->getNumberOfConcurrency()
+        );
+        return $result;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CreateBlobOptions.php

@@ -0,0 +1,520 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Blob\Models\CreateBlobBlockOptions;
+
+/**
+ * optional parameters for createXXXBlob wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CreateBlobOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_contentType;
+    
+    /**
+     * @var string
+     */
+    private $_contentEncoding;
+    
+    /**
+     * @var string
+     */
+    private $_contentLanguage;
+    
+    /**
+     * @var string
+     */
+    private $_contentMD5;
+    
+    /**
+     * @var string
+     */
+    private $_cacheControl;
+    
+    /**
+     * @var string
+     */
+    private $_blobContentType;
+    
+    /**
+     * @var string
+     */
+    private $_blobContentEncoding;
+    
+    /**
+     * @var string
+     */
+    private $_blobContentLanguage;
+    
+    /**
+     * @var integer
+     */
+    private $_blobContentLength;
+
+    /**
+     * @var string
+     */
+    private $_blobContentMD5;
+    
+    /**
+     * @var string
+     */
+    private $_blobCacheControl;
+    
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var integer
+     */
+    private $_sequenceNumber;
+    
+    /**
+     * @var string
+     */
+    private $_sequenceNumberAction;
+
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+
+    /**
+     * @var int
+     */
+    private $_numberOfConcurrency;
+    
+    /**
+     * Gets blob ContentType.
+     *
+     * @return string.
+     */
+    public function getBlobContentType()
+    {
+        return $this->_blobContentType;
+    }
+
+    /**
+     * Sets blob ContentType.
+     *
+     * @param string $blobContentType value.
+     *
+     * @return none.
+     */
+    public function setBlobContentType($blobContentType)
+    {
+        $this->_blobContentType = $blobContentType;
+    }
+    
+    /**
+     * Gets blob ContentEncoding.
+     *
+     * @return string.
+     */
+    public function getBlobContentEncoding()
+    {
+        return $this->_blobContentEncoding;
+    }
+
+    /**
+     * Sets blob ContentEncoding.
+     *
+     * @param string $blobContentEncoding value.
+     *
+     * @return none.
+     */
+    public function setBlobContentEncoding($blobContentEncoding)
+    {
+        $this->_blobContentEncoding = $blobContentEncoding;
+    }
+    
+    /**
+     * Gets blob ContentLanguage.
+     *
+     * @return string.
+     */
+    public function getBlobContentLanguage()
+    {
+        return $this->_blobContentLanguage;
+    }
+
+    /**
+     * Sets blob ContentLanguage.
+     *
+     * @param string $blobContentLanguage value.
+     *
+     * @return none.
+     */
+    public function setBlobContentLanguage($blobContentLanguage)
+    {
+        $this->_blobContentLanguage = $blobContentLanguage;
+    }
+    
+    /**
+     * Gets blob ContentLength.
+     *
+     * @return integer.
+     */
+    public function getBlobContentLength()
+    {
+        return $this->_blobContentLength;
+    }
+
+    /**
+     * Sets blob ContentLength.
+     *
+     * @param integer $blobContentLength value.
+     *
+     * @return none.
+     */
+    public function setBlobContentLength($blobContentLength)
+    {
+        Validate::isInteger($blobContentLength, 'blobContentLength');
+        $this->_blobContentLength = $blobContentLength;
+    }
+
+    /**
+     * Gets blob ContentMD5.
+     *
+     * @return string.
+     */
+    public function getBlobContentMD5()
+    {
+        return $this->_blobContentMD5;
+    }
+
+    /**
+     * Sets blob ContentMD5.
+     *
+     * @param string $blobContentMD5 value.
+     *
+     * @return none.
+     */
+    public function setBlobContentMD5($blobContentMD5)
+    {
+        $this->_blobContentMD5 = $blobContentMD5;
+    }
+    
+    /**
+     * Gets blob cache control.
+     *
+     * @return string.
+     */
+    public function getBlobCacheControl()
+    {
+        return $this->_blobCacheControl;
+    }
+    
+    /**
+     * Sets blob cacheControl.
+     *
+     * @param string $blobCacheControl value to use.
+     *
+     * @return none.
+     */
+    public function setBlobCacheControl($blobCacheControl)
+    {
+        $this->_blobCacheControl = $blobCacheControl;
+    }
+    
+    /**
+     * Gets blob contentType.
+     *
+     * @return string.
+     */
+    public function getContentType()
+    {
+        return $this->_contentType;
+    }
+
+    /**
+     * Sets blob contentType.
+     *
+     * @param string $contentType value.
+     *
+     * @return none.
+     */
+    public function setContentType($contentType)
+    {
+        $this->_contentType = $contentType;
+    }
+    
+    /**
+     * Gets contentEncoding.
+     *
+     * @return string.
+     */
+    public function getContentEncoding()
+    {
+        return $this->_contentEncoding;
+    }
+
+    /**
+     * Sets contentEncoding.
+     *
+     * @param string $contentEncoding value.
+     *
+     * @return none.
+     */
+    public function setContentEncoding($contentEncoding)
+    {
+        $this->_contentEncoding = $contentEncoding;
+    }
+    
+    /**
+     * Gets contentLanguage.
+     *
+     * @return string.
+     */
+    public function getContentLanguage()
+    {
+        return $this->_contentLanguage;
+    }
+
+    /**
+     * Sets contentLanguage.
+     *
+     * @param string $contentLanguage value.
+     *
+     * @return none.
+     */
+    public function setContentLanguage($contentLanguage)
+    {
+        $this->_contentLanguage = $contentLanguage;
+    }
+    
+    /**
+     * Gets contentMD5.
+     *
+     * @return string.
+     */
+    public function getContentMD5()
+    {
+        return $this->_contentMD5;
+    }
+
+    /**
+     * Sets contentMD5.
+     *
+     * @param string $contentMD5 value.
+     *
+     * @return none.
+     */
+    public function setContentMD5($contentMD5)
+    {
+        $this->_contentMD5 = $contentMD5;
+    }
+    
+    /**
+     * Gets cacheControl.
+     *
+     * @return string.
+     */
+    public function getCacheControl()
+    {
+        return $this->_cacheControl;
+    }
+    
+    /**
+     * Sets cacheControl.
+     *
+     * @param string $cacheControl value to use.
+     *
+     * @return none.
+     */
+    public function setCacheControl($cacheControl)
+    {
+        $this->_cacheControl = $cacheControl;
+    }
+    
+    /**
+     * Gets access condition
+     *
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     *
+     * @param AccessCondition $accessCondition value to use.
+     *
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets blob metadata.
+     *
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets blob metadata.
+     *
+     * @param array $metadata value.
+     *
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Gets blob sequenceNumber.
+     *
+     * @return int.
+     */
+    public function getSequenceNumber()
+    {
+        return $this->_sequenceNumber;
+    }
+
+    /**
+     * Sets blob sequenceNumber.
+     *
+     * @param int $sequenceNumber value.
+     *
+     * @return none.
+     */
+    public function setSequenceNumber($sequenceNumber)
+    {
+        Validate::isInteger($sequenceNumber, 'sequenceNumber');
+        $this->_sequenceNumber = $sequenceNumber;
+    }
+    
+    /**
+     * Gets blob sequenceNumberAction.
+     *
+     * @return string.
+     */
+    public function getSequenceNumberAction()
+    {
+        return $this->_sequenceNumberAction;
+    }
+
+    /**
+     * Sets blob sequenceNumberAction.
+     *
+     * @param string $sequenceNumberAction value.
+     *
+     * @return none.
+     */
+    public function setSequenceNumberAction($sequenceNumberAction)
+    {
+        $this->_sequenceNumberAction = $sequenceNumberAction;
+    }
+
+    /**
+     * Gets lease Id for the blob
+     *
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     *
+     * @param string $leaseId the blob lease id.
+     *
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+
+    /**
+     * Gets number of concurrency for sending a blob.
+     *
+     * @return int
+     */
+    public function getNumberOfConcurrency()
+    {
+        return $this->_numberOfConcurrency;
+    }
+
+    /**
+     * Sets number of concurrency for sending a blob.
+     *
+     * @param int $numberOfConcurrency the number of concurrent requests.
+     */
+    public function setNumberOfConcurrency($numberOfConcurrency)
+    {
+        $this->_numberOfConcurrency = $numberOfConcurrency;
+    }
+
+    /**
+     * Construct a CreateBlobOptions object from a createBlockBlobOptions.
+     *
+     * @param  CreateBlobBlockOptions $createBlobBlockOptions
+     *
+     * @return CreateBlobOptions
+     */
+    public static function create($createBlobBlockOptions)
+    {
+        $result = new CreateBlobOptions();
+        $result->setTimeout($createBlobBlockOptions->getTimeout());
+        $result->setContentMD5($createBlobBlockOptions->getContentMD5());
+        $result->setLeaseId($createBlobBlockOptions->getLeaseId());
+        $result->setNumberOfConcurrency(
+            $createBlobBlockOptions->getNumberOfConcurrency()
+        );
+        return $result;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CreateBlobPagesOptions.php

@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Optional parameters for create and clear blob pages
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CreateBlobPagesOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_contentMD5;
+    
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets blob contentMD5.
+     *
+     * @return string.
+     */
+    public function getContentMD5()
+    {
+        return $this->_contentMD5;
+    }
+
+    /**
+     * Sets blob contentMD5.
+     *
+     * @param string $contentMD5 value.
+     *
+     * @return none.
+     */
+    public function setContentMD5($contentMD5)
+    {
+        $this->_contentMD5 = $contentMD5;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CreateBlobPagesResult.php

@@ -0,0 +1,184 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds result of calling create or clear blob pages
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CreateBlobPagesResult
+{
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * @var integer
+     */
+    private $_sequenceNumber;
+    
+    /**
+     * @var string
+     */
+    private $_contentMD5;
+    
+    /**
+     * Creates CreateBlobPagesResult object from $parsed response in array 
+     * representation
+     * 
+     * @param array $headers HTTP response headers
+     * 
+     * @return CreateBlobPagesResult
+     */
+    public static function create($headers)
+    {
+        $result = new CreateBlobPagesResult();
+        $clean  = array_change_key_case($headers);
+        
+        $date = $clean[Resources::LAST_MODIFIED];
+        $date = Utilities::rfc1123ToDateTime($date);
+        $result->setETag($clean[Resources::ETAG]);
+        $result->setLastModified($date);
+        $result->setContentMD5(
+            Utilities::tryGetValue($clean, Resources::CONTENT_MD5)
+        );
+        $result->setSequenceNumber(
+            intval(
+                Utilities::tryGetValue($clean, Resources::X_MS_BLOB_SEQUENCE_NUMBER)
+            )
+        );
+        
+        return $result;
+    }
+    
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        Validate::isDate($lastModified);
+        $this->_lastModified = $lastModified;
+    }
+
+    /**
+     * Gets blob etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets blob etag.
+     *
+     * @param string $etag value.
+     *
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        Validate::isString($etag, 'etag');
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets blob contentMD5.
+     *
+     * @return string.
+     */
+    public function getContentMD5()
+    {
+        return $this->_contentMD5;
+    }
+
+    /**
+     * Sets blob contentMD5.
+     *
+     * @param string $contentMD5 value.
+     *
+     * @return none.
+     */
+    public function setContentMD5($contentMD5)
+    {
+        $this->_contentMD5 = $contentMD5;
+    }
+    
+    /**
+     * Gets blob sequenceNumber.
+     *
+     * @return int.
+     */
+    public function getSequenceNumber()
+    {
+        return $this->_sequenceNumber;
+    }
+
+    /**
+     * Sets blob sequenceNumber.
+     *
+     * @param int $sequenceNumber value.
+     *
+     * @return none.
+     */
+    public function setSequenceNumber($sequenceNumber)
+    {
+        Validate::isInteger($sequenceNumber, 'sequenceNumber');
+        $this->_sequenceNumber = $sequenceNumber;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CreateBlobSnapshotOptions.php

@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * The optional parameters for createBlobSnapshot wrapper.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CreateBlobSnapshotOptions extends BlobServiceOptions
+{
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * Gets metadata.
+     *
+     * @return array
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets metadata.
+     *
+     * @param array $metadata The metadata array.
+     *
+     * @return none
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Gets access condition.
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition.
+     * 
+     * @param AccessCondition $accessCondition The access condition object.
+     * 
+     * @return none
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets lease Id.
+     *
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+
+    /**
+     * Sets lease Id.
+     *
+     * @param string $leaseId The lease Id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CreateBlobSnapshotResult.php

@@ -0,0 +1,154 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * The result of creating Blob snapshot. 
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CreateBlobSnapshotResult
+{
+    /**
+     * A DateTime value which uniquely identifies the snapshot. 
+     * @var string
+     */
+    private $_snapshot;
+            
+    /**
+     * The ETag for the destination blob. 
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * The date/time that the copy operation to the destination blob completed. 
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * Creates CreateBlobSnapshotResult object from the response of the 
+     * create Blob snapshot request.
+     * 
+     * @param array $headers The HTTP response headers in array representation.
+     * 
+     * @return CreateBlobSnapshotResult
+     */
+    public static function create($headers)
+    {
+        $result                 = new CreateBlobSnapshotResult();
+        $headerWithLowerCaseKey = array_change_key_case($headers);
+        
+        $result->setETag($headerWithLowerCaseKey[Resources::ETAG]);
+        
+        $result->setLastModified(
+            Utilities::rfc1123ToDateTime(
+                $headerWithLowerCaseKey[Resources::LAST_MODIFIED]
+            )
+        );
+        
+        $result->setSnapshot($headerWithLowerCaseKey[Resources::X_MS_SNAPSHOT]);
+        
+        return $result;
+    }
+    
+    /**
+     * Gets snapshot. 
+     *
+     * @return string
+     */
+    public function getSnapshot()
+    {
+        return $this->_snapshot;
+    }
+    
+    /**
+     * Sets snapshot.
+     * 
+     * @param string $snapshot value.
+     *
+     * @return none
+     */
+    public function setSnapshot($snapshot)
+    {
+        $this->_snapshot = $snapshot;
+    }
+    
+    /**
+     * Gets ETag.
+     * 
+     * @return string
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets ETag.
+     *
+     * @param string $etag value.
+     *
+     * @return none
+     */
+    public function setETag($etag)
+    {
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none
+     */
+    public function setLastModified($lastModified)
+    {
+        $this->_lastModified = $lastModified;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/CreateContainerOptions.php

@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Blob\Models\BlobServiceOptions;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Optional parameters for createContainer API
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CreateContainerOptions extends BlobServiceOptions
+{
+    /**
+     * @var string 
+     */
+    private $_publicAccess;
+    
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * Gets container public access.
+     * 
+     * @return string.
+     */
+    public function getPublicAccess()
+    {
+        return $this->_publicAccess;
+    }
+    
+    /**
+     * Specifies whether data in the container may be accessed publicly and the level
+     * of access. Possible values include: 
+     * 1) container: Specifies full public read access for container and blob data.
+     *    Clients can enumerate blobs within the container via anonymous request, but
+     *    cannot enumerate containers within the storage account.
+     * 2) blob: Specifies public read access for blobs. Blob data within this 
+     *    container can be read via anonymous request, but container data is not 
+     *    available. Clients cannot enumerate blobs within the container via 
+     *    anonymous request.
+     * If this value is not specified in the request, container data is private to 
+     * the account owner.
+     * 
+     * @param string $publicAccess access modifier for the container
+     * 
+     * @return none.
+     */
+    public function setPublicAccess($publicAccess)
+    {
+        Validate::isString($publicAccess, 'publicAccess');
+        $this->_publicAccess = $publicAccess;
+    }
+    
+    /**
+     * Gets user defined metadata.
+     * 
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+    
+    /**
+     * Sets user defined metadata. This metadata should be added without the header
+     * prefix (x-ms-meta-*).
+     * 
+     * @param array $metadata user defined metadata object in array form.
+     * 
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Adds new metadata element. This element should be added without the header
+     * prefix (x-ms-meta-*).
+     * 
+     * @param string $key   metadata key element.
+     * @param string $value metadata value element.
+     * 
+     * @return none.
+     */
+    public function addMetadata($key, $value)
+    {
+        $this->_metadata[$key] = $value;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/DeleteBlobOptions.php

@@ -0,0 +1,151 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Optional parameters for deleteBlob wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class DeleteBlobOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var string
+     */
+    private $_snapshot;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * @var boolean
+     */
+    private $_deleteSnaphotsOnly;
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets blob snapshot.
+     *
+     * @return string.
+     */
+    public function getSnapshot()
+    {
+        return $this->_snapshot;
+    }
+
+    /**
+     * Sets blob snapshot.
+     *
+     * @param string $snapshot value.
+     * 
+     * @return none.
+     */
+    public function setSnapshot($snapshot)
+    {
+        $this->_snapshot = $snapshot;
+    }
+    
+    /**
+     * Gets blob deleteSnaphotsOnly.
+     *
+     * @return boolean.
+     */
+    public function getDeleteSnaphotsOnly()
+    {
+        return $this->_deleteSnaphotsOnly;
+    }
+
+    /**
+     * Sets blob deleteSnaphotsOnly.
+     *
+     * @param string $deleteSnaphotsOnly value.
+     * 
+     * @return boolean.
+     */
+    public function setDeleteSnaphotsOnly($deleteSnaphotsOnly)
+    {
+        Validate::isBoolean($deleteSnaphotsOnly);
+        $this->_deleteSnaphotsOnly = $deleteSnaphotsOnly;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/DeleteContainerOptions.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * The optional for deleteContainer API.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class DeleteContainerOptions extends BlobServiceOptions
+{
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Gets access condition
+     *
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     *
+     * @param AccessCondition $accessCondition value to use.
+     *
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/GetBlobMetadataOptions.php

@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Optional parameters for getBlobMetadata wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetBlobMetadataOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var string
+     */
+    private $_snapshot;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets blob snapshot.
+     *
+     * @return string.
+     */
+    public function getSnapshot()
+    {
+        return $this->_snapshot;
+    }
+
+    /**
+     * Sets blob snapshot.
+     *
+     * @param string $snapshot value.
+     * 
+     * @return none.
+     */
+    public function setSnapshot($snapshot)
+    {
+        $this->_snapshot = $snapshot;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/GetBlobMetadataResult.php

@@ -0,0 +1,147 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds results of calling getBlobMetadata wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetBlobMetadataResult
+{
+    
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * Creates GetBlobMetadataResult from response headers.
+     * 
+     * @param array $headers  The HTTP response headers.
+     * @param array $metadata The blob metadata array.
+     * 
+     * @return GetBlobMetadataResult
+     */
+    public static function create($headers, $metadata)
+    {
+        $result = new GetBlobMetadataResult();
+        $date   = $headers[Resources::LAST_MODIFIED];
+        $result->setLastModified(Utilities::rfc1123ToDateTime($date));
+        $result->setETag($headers[Resources::ETAG]);
+        $result->setMetadata(is_null($metadata) ? array() : $metadata);
+        
+        return $result;
+    }
+    
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        Validate::isDate($lastModified);
+        $this->_lastModified = $lastModified;
+    }
+
+    /**
+     * Gets blob etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets blob etag.
+     *
+     * @param string $etag value.
+     *
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        Validate::isString($etag, 'etag');
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets blob metadata.
+     *
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets blob metadata.
+     *
+     * @param array $metadata value.
+     * 
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/GetBlobOptions.php

@@ -0,0 +1,208 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Optional parameters for getBlob wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetBlobOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var string
+     */
+    private $_snapshot;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * @var boolean
+     */
+    private $_computeRangeMD5;
+    
+    /**
+     * @var integer
+     */
+    private $_rangeStart;
+    
+    /**
+     * @var integer
+     */
+    private $_rangeEnd;
+    
+    /**
+     * Gets lease Id for the blob
+     *
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     *
+     * @param string $leaseId the blob lease id.
+     *
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets access condition
+     *
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     *
+     * @param AccessCondition $accessCondition value to use.
+     *
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets blob snapshot.
+     *
+     * @return string.
+     */
+    public function getSnapshot()
+    {
+        return $this->_snapshot;
+    }
+
+    /**
+     * Sets blob snapshot.
+     *
+     * @param string $snapshot value.
+     *
+     * @return none.
+     */
+    public function setSnapshot($snapshot)
+    {
+        $this->_snapshot = $snapshot;
+    }
+    
+    /**
+     * Gets rangeStart
+     *
+     * @return integer
+     */
+    public function getRangeStart()
+    {
+        return $this->_rangeStart;
+    }
+    
+    /**
+     * Sets rangeStart
+     *
+     * @param integer $rangeStart the blob lease id.
+     *
+     * @return none
+     */
+    public function setRangeStart($rangeStart)
+    {
+        Validate::isInteger($rangeStart, 'rangeStart');
+        $this->_rangeStart = $rangeStart;
+    }
+    
+    /**
+     * Gets rangeEnd
+     *
+     * @return integer
+     */
+    public function getRangeEnd()
+    {
+        return $this->_rangeEnd;
+    }
+    
+    /**
+     * Sets rangeEnd
+     *
+     * @param integer $rangeEnd range end value in bytes
+     *
+     * @return none
+     */
+    public function setRangeEnd($rangeEnd)
+    {
+        Validate::isInteger($rangeEnd, 'rangeEnd');
+        $this->_rangeEnd = $rangeEnd;
+    }
+    
+    /**
+     * Gets computeRangeMD5
+     *
+     * @return boolean
+     */
+    public function getComputeRangeMD5()
+    {
+        return $this->_computeRangeMD5;
+    }
+    
+    /**
+     * Sets computeRangeMD5
+     *
+     * @param boolean $computeRangeMD5 value
+     *
+     * @return none
+     */
+    public function setComputeRangeMD5($computeRangeMD5)
+    {
+        Validate::isBoolean($computeRangeMD5);
+        $this->_computeRangeMD5 = $computeRangeMD5;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/GetBlobPropertiesOptions.php

@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Optional parameters for getBlobProperties wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetBlobPropertiesOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var string
+     */
+    private $_snapshot;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets blob snapshot.
+     *
+     * @return string.
+     */
+    public function getSnapshot()
+    {
+        return $this->_snapshot;
+    }
+
+    /**
+     * Sets blob snapshot.
+     *
+     * @param string $snapshot value.
+     * 
+     * @return none.
+     */
+    public function setSnapshot($snapshot)
+    {
+        $this->_snapshot = $snapshot;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/GetBlobPropertiesResult.php

@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Holds result of calling getBlobProperties
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetBlobPropertiesResult
+{
+    /**
+     * @var BlobProperties
+     */
+    private $_properties;
+    
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * Gets blob metadata.
+     *
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets blob metadata.
+     *
+     * @param array $metadata value.
+     * 
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Gets blob properties.
+     *
+     * @return BlobProperties.
+     */
+    public function getProperties()
+    {
+        return $this->_properties;
+    }
+
+    /**
+     * Sets blob properties.
+     *
+     * @param BlobProperties $properties value.
+     * 
+     * @return none.
+     */
+    public function setProperties($properties)
+    {
+        $this->_properties = $properties;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/GetBlobResult.php

@@ -0,0 +1,142 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Blob\Models\BlobProperties;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds result of GetBlob API.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetBlobResult
+{
+    /**
+     * @var BlobProperties
+     */
+    private $_properties;
+    
+    /**
+     * @var array
+     */
+    private $_metadata;
+    
+    /**
+     * @var StreamInterface
+     */
+    private $_contentStream;
+    
+    /**
+     * Creates GetBlobResult from getBlob call.
+     *
+     * @param array           $headers  The HTTP response headers.
+     * @param StreamInterface $body     The response body.
+     * @param array           $metadata The blob metadata.
+     *
+     * @return GetBlobResult
+     */
+    public static function create($headers, $body, $metadata)
+    {
+        $result = new GetBlobResult();
+        $result->setContentStream($body->detach());
+        $result->setProperties(BlobProperties::create($headers));
+        $result->setMetadata(is_null($metadata) ? array() : $metadata);
+        
+        return $result;
+    }
+    
+    /**
+     * Gets blob metadata.
+     *
+     * @return array
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+
+    /**
+     * Sets blob metadata.
+     *
+     * @param array $metadata value.
+     *
+     * @return none
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+    
+    /**
+     * Gets blob properties.
+     *
+     * @return BlobProperties
+     */
+    public function getProperties()
+    {
+        return $this->_properties;
+    }
+
+    /**
+     * Sets blob properties.
+     *
+     * @param BlobProperties $properties value.
+     *
+     * @return none
+     */
+    public function setProperties($properties)
+    {
+        $this->_properties = $properties;
+    }
+    
+    /**
+     * Gets blob contentStream.
+     *
+     * @return StreamInterface
+     */
+    public function getContentStream()
+    {
+        return $this->_contentStream;
+    }
+
+    /**
+     * Sets blob contentStream.
+     *
+     * @param StreamInterface $contentStream The stream handle.
+     *
+     * @return none
+     */
+    public function setContentStream($contentStream)
+    {
+        $this->_contentStream = $contentStream;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/GetContainerACLResult.php

@@ -0,0 +1,145 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Blob\Models\ContainerAcl;
+
+/**
+ * Holds container ACL
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetContainerAclResult
+{
+    /**
+     * @var ContainerAcl
+     */
+    private $_containerACL;
+    
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * Parses the given array into signed identifiers
+     * 
+     * @param string    $publicAccess container public access
+     * @param string    $etag         container etag
+     * @param \DateTime $lastModified last modification date
+     * @param array     $parsed       parsed response into array
+     * representation
+     * 
+     * @return none.
+     */
+    public static function create($publicAccess, $etag, $lastModified, $parsed)
+    {
+        $result = new GetContainerAclResult();
+        $result->setETag($etag);
+        $result->setLastModified($lastModified);
+        $acl = ContainerAcl::create($publicAccess, $parsed);
+        $result->setContainerAcl($acl);
+        
+        return $result;
+    }
+    
+    /**
+     * Gets container ACL
+     * 
+     * @return ContainerAcl
+     */
+    public function getContainerAcl()
+    {
+        return $this->_containerACL;
+    }
+    
+    /**
+     * Sets container ACL
+     * 
+     * @param ContainerAcl $containerACL value.
+     * 
+     * @return none.
+     */
+    public function setContainerAcl($containerACL)
+    {
+        $this->_containerACL = $containerACL;
+    }
+    
+    /**
+     * Gets container lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets container lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        $this->_lastModified = $lastModified;
+    }
+
+    /**
+     * Gets container etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets container etag.
+     *
+     * @param string $etag value.
+     *
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        $this->_etag = $etag;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/GetContainerPropertiesResult.php

@@ -0,0 +1,126 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Holds result of getContainerProperties and getContainerMetadata
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetContainerPropertiesResult
+{
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * @var array
+     */
+    private $_metadata; 
+    
+    /**
+     * Any operation that modifies the container or its properties or metadata 
+     * updates the last modified time. Operations on blobs do not affect the last 
+     * modified time of the container.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets container lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     * 
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        $this->_lastModified = $lastModified;
+    }
+    
+    /**
+     * The entity tag for the container. If the request version is 2011-08-18 or 
+     * newer, the ETag value will be in quotes.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets container etag.
+     *
+     * @param string $etag value.
+     * 
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets user defined metadata.
+     * 
+     * @return array.
+     */
+    public function getMetadata()
+    {
+        return $this->_metadata;
+    }
+    
+    /**
+     * Sets user defined metadata. This metadata should be added without the header
+     * prefix (x-ms-meta-*).
+     * 
+     * @param array $metadata user defined metadata object in array form.
+     * 
+     * @return none.
+     */
+    public function setMetadata($metadata)
+    {
+        $this->_metadata = $metadata;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/LeaseMode.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Modes for leasing a blob
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class LeaseMode
+{
+    const ACQUIRE_ACTION = 'acquire';
+    const RENEW_ACTION   = 'renew';
+    const RELEASE_ACTION = 'release';
+    const BREAK_ACTION   = 'break';
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ListBlobBlocksOptions.php

@@ -0,0 +1,187 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Optional parameters for listBlobBlock wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ListBlobBlocksOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var string
+     */
+    private $_snapshot;
+    
+    /**
+     * @var boolean
+     */
+    private $_includeUncommittedBlobs;
+    
+    /**
+     * @var boolean
+     */
+    private $_includeCommittedBlobs;
+    
+    /**
+     * Holds result of list type. You can access it by this order:
+     * $_listType[$this->_includeUncommittedBlobs][$this->_includeCommittedBlobs]
+     * 
+     * @var array
+     */
+    private static $_listType;
+    
+    /**
+     * Constructs the static variable $listType.
+     */
+    public function __construct()
+    {
+        self::$_listType[true][true]   = 'all';
+        self::$_listType[true][false]  = 'uncommitted';
+        self::$_listType[false][true]  = 'committed';
+        self::$_listType[false][false] = 'all';
+        
+        $this->_includeUncommittedBlobs = false;
+        $this->_includeCommittedBlobs   = false;    
+    }
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets blob snapshot.
+     *
+     * @return string.
+     */
+    public function getSnapshot()
+    {
+        return $this->_snapshot;
+    }
+
+    /**
+     * Sets blob snapshot.
+     *
+     * @param string $snapshot value.
+     * 
+     * @return none.
+     */
+    public function setSnapshot($snapshot)
+    {
+        $this->_snapshot = $snapshot;
+    }
+    
+    /**
+     * Sets the include uncommittedBlobs flag.
+     *
+     * @param bool $includeUncommittedBlobs value.
+     * 
+     * @return none.
+     */
+    public function setIncludeUncommittedBlobs($includeUncommittedBlobs)
+    {
+        Validate::isBoolean($includeUncommittedBlobs);
+        $this->_includeUncommittedBlobs = $includeUncommittedBlobs;
+    }
+    
+    /**
+     * Indicates if uncommittedBlobs is included or not.
+     * 
+     * @return boolean.
+     */
+    public function getIncludeUncommittedBlobs()
+    {
+        return $this->_includeUncommittedBlobs;
+    }
+    
+    /**
+     * Sets the include committedBlobs flag.
+     *
+     * @param bool $includeCommittedBlobs value.
+     * 
+     * @return none.
+     */
+    public function setIncludeCommittedBlobs($includeCommittedBlobs)
+    {
+        Validate::isBoolean($includeCommittedBlobs);
+        $this->_includeCommittedBlobs = $includeCommittedBlobs;
+    }
+    
+    /**
+     * Indicates if committedBlobs is included or not.
+     * 
+     * @return boolean.
+     */
+    public function getIncludeCommittedBlobs()
+    {
+        return $this->_includeCommittedBlobs;
+    }
+    
+    /**
+     * Gets block list type.
+     * 
+     * @return string
+     */
+    public function getBlockListType()
+    {
+        $includeUncommitted = $this->_includeUncommittedBlobs;
+        $includeCommitted   = $this->_includeCommittedBlobs;
+        
+        return self::$_listType[$includeUncommitted][$includeCommitted];
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ListBlobBlocksResult.php

@@ -0,0 +1,274 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds result of listBlobBlocks
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ListBlobBlocksResult
+{
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * @var string
+     */
+    private $_contentType;
+    
+    /**
+     * @var integer
+     */
+    private $_contentLength;
+    
+    /**
+     * @var array
+     */
+    private $_committedBlocks;
+    
+    /**
+     * @var array
+     */
+    private $_uncommittedBlocks;
+    
+    /**
+     * Gets block entries from parsed response
+     * 
+     * @param array  $parsed HTTP response
+     * @param string $type   Block type
+     * 
+     * @return array
+     */
+    private static function _getEntries($parsed, $type)
+    {
+        $entries = array();
+        
+        if (is_array($parsed)) {
+            $rawEntries = array();
+         
+            if (   array_key_exists($type, $parsed)
+                &&     is_array($parsed[$type])
+                &&     !empty($parsed[$type])
+            ) {
+                $rawEntries = Utilities::getArray($parsed[$type]['Block']);
+            }
+            
+            foreach ($rawEntries as $value) {
+                $entries[$value['Name']] = $value['Size'];
+            }
+        }
+        
+        return $entries;
+    }
+    
+    /**
+     * Creates ListBlobBlocksResult from given response headers and parsed body
+     * 
+     * @param array $headers HTTP response headers
+     * @param array $parsed  HTTP response body in array representation
+     * 
+     * @return ListBlobBlocksResult
+     */
+    public static function create($headers, $parsed)
+    {
+        $result = new ListBlobBlocksResult();
+        $clean  = array_change_key_case($headers);
+        
+        $result->setETag(Utilities::tryGetValue($clean, Resources::ETAG));
+        $date = Utilities::tryGetValue($clean, Resources::LAST_MODIFIED);
+        if (!is_null($date)) {
+            $date = Utilities::rfc1123ToDateTime($date);
+            $result->setLastModified($date);
+        }
+        $result->setContentLength(
+            intval(
+                Utilities::tryGetValue($clean, Resources::X_MS_BLOB_CONTENT_LENGTH)
+            )
+        );
+        $result->setContentType(
+            Utilities::tryGetValue($clean, Resources::CONTENT_TYPE)
+        );
+        
+        $result->_uncommittedBlocks = self::_getEntries(
+            $parsed, 'UncommittedBlocks'
+        );
+        $result->_committedBlocks   = self::_getEntries($parsed, 'CommittedBlocks');
+        
+        return $result;
+    }
+    
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        Validate::isDate($lastModified);
+        $this->_lastModified = $lastModified;
+    }
+
+    /**
+     * Gets blob etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets blob etag.
+     *
+     * @param string $etag value.
+     *
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets blob contentType.
+     *
+     * @return string.
+     */
+    public function getContentType()
+    {
+        return $this->_contentType;
+    }
+
+    /**
+     * Sets blob contentType.
+     *
+     * @param string $contentType value.
+     *
+     * @return none.
+     */
+    public function setContentType($contentType)
+    {
+        $this->_contentType = $contentType;
+    }
+    
+    /**
+     * Gets blob contentLength.
+     *
+     * @return integer.
+     */
+    public function getContentLength()
+    {
+        return $this->_contentLength;
+    }
+
+    /**
+     * Sets blob contentLength.
+     *
+     * @param integer $contentLength value.
+     *
+     * @return none.
+     */
+    public function setContentLength($contentLength)
+    {
+        Validate::isInteger($contentLength, 'contentLength');
+        $this->_contentLength = $contentLength;
+    }
+    
+    /**
+     * Gets uncommitted blocks
+     * 
+     * @return array
+     */
+    public function getUncommittedBlocks()
+    {
+        return $this->_uncommittedBlocks;
+    }
+    
+    /**
+     * Sets uncommitted blocks
+     * 
+     * @param array $uncommittedBlocks The uncommitted blocks entries
+     * 
+     * @return none.
+     */
+    public function setUncommittedBlocks($uncommittedBlocks)
+    {
+        $this->_uncommittedBlocks = $uncommittedBlocks;
+    }
+    
+    /**
+     * Gets committed blocks
+     * 
+     * @return array
+     */
+    public function getCommittedBlocks()
+    {
+        return $this->_committedBlocks;
+    }
+    
+    /**
+     * Sets committed blocks
+     * 
+     * @param array $committedBlocks The committed blocks entries
+     * 
+     * @return none.
+     */
+    public function setCommittedBlocks($committedBlocks)
+    {
+        $this->_committedBlocks = $committedBlocks;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ListBlobsOptions.php

@@ -0,0 +1,237 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Optional parameters for listBlobs API.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ListBlobsOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_prefix;
+    
+    /**
+     * @var string
+     */
+    private $_marker;
+    
+    /**
+     * @var string
+     */
+    private $_delimiter;
+    
+    /**
+     * @var integer
+     */
+    private $_maxResults;
+    
+    /**
+     * @var boolean
+     */
+    private $_includeMetadata;
+    
+    /**
+     * @var boolean
+     */
+    private $_includeSnapshots;
+    
+    /**
+     * @var boolean
+     */
+    private $_includeUncommittedBlobs;
+
+    /**
+     * Gets prefix.
+     *
+     * @return string.
+     */
+    public function getPrefix()
+    {
+        return $this->_prefix;
+    }
+
+    /**
+     * Sets prefix.
+     *
+     * @param string $prefix value.
+     *
+     * @return none.
+     */
+    public function setPrefix($prefix)
+    {
+        Validate::isString($prefix, 'prefix');
+        $this->_prefix = $prefix;
+    }
+    
+    /**
+     * Gets delimiter.
+     *
+     * @return string.
+     */
+    public function getDelimiter()
+    {
+        return $this->_delimiter;
+    }
+
+    /**
+     * Sets prefix.
+     *
+     * @param string $delimiter value.
+     *
+     * @return none.
+     */
+    public function setDelimiter($delimiter)
+    {
+        Validate::isString($delimiter, 'delimiter');
+        $this->_delimiter = $delimiter;
+    }
+
+    /**
+     * Gets marker.
+     *
+     * @return string.
+     */
+    public function getMarker()
+    {
+        return $this->_marker;
+    }
+
+    /**
+     * Sets marker.
+     *
+     * @param string $marker value.
+     *
+     * @return none.
+     */
+    public function setMarker($marker)
+    {
+        Validate::isString($marker, 'marker');
+        $this->_marker = $marker;
+    }
+
+    /**
+     * Gets max results.
+     *
+     * @return integer.
+     */
+    public function getMaxResults()
+    {
+        return $this->_maxResults;
+    }
+
+    /**
+     * Sets max results.
+     *
+     * @param integer $maxResults value.
+     *
+     * @return none.
+     */
+    public function setMaxResults($maxResults)
+    {
+        Validate::isInteger($maxResults, 'maxResults');
+        $this->_maxResults = $maxResults;
+    }
+
+    /**
+     * Indicates if metadata is included or not.
+     *
+     * @return boolean.
+     */
+    public function getIncludeMetadata()
+    {
+        return $this->_includeMetadata;
+    }
+
+    /**
+     * Sets the include metadata flag.
+     *
+     * @param bool $includeMetadata value.
+     *
+     * @return none.
+     */
+    public function setIncludeMetadata($includeMetadata)
+    {
+        Validate::isBoolean($includeMetadata);
+        $this->_includeMetadata = $includeMetadata;
+    }
+    
+    /**
+     * Indicates if snapshots is included or not.
+     *
+     * @return boolean.
+     */
+    public function getIncludeSnapshots()
+    {
+        return $this->_includeSnapshots;
+    }
+
+    /**
+     * Sets the include snapshots flag.
+     *
+     * @param bool $includeSnapshots value.
+     *
+     * @return none.
+     */
+    public function setIncludeSnapshots($includeSnapshots)
+    {
+        Validate::isBoolean($includeSnapshots);
+        $this->_includeSnapshots = $includeSnapshots;
+    }
+    
+    /**
+     * Indicates if uncommittedBlobs is included or not.
+     *
+     * @return boolean.
+     */
+    public function getIncludeUncommittedBlobs()
+    {
+        return $this->_includeUncommittedBlobs;
+    }
+
+    /**
+     * Sets the include uncommittedBlobs flag.
+     *
+     * @param bool $includeUncommittedBlobs value.
+     *
+     * @return none.
+     */
+    public function setIncludeUncommittedBlobs($includeUncommittedBlobs)
+    {
+        Validate::isBoolean($includeUncommittedBlobs);
+        $this->_includeUncommittedBlobs = $includeUncommittedBlobs;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ListBlobsResult.php

@@ -0,0 +1,345 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Blob\Models\Blob;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\InvalidArgumentTypeException;
+
+/**
+ * Hold result of calliing listBlobs wrapper.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ListBlobsResult
+{
+    /**
+     * @var array
+     */
+    private $_blobPrefixes;
+            
+    /**
+     * @var Blob[]
+     */
+    private $_blobs;
+    
+    /**
+     * @var string
+     */
+    private $_delimiter;
+    
+    /**
+     * @var string
+     */
+    private $_prefix;
+    
+    /**
+     * @var string
+     */
+    private $_marker;
+    
+    /**
+     * @var string
+     */
+    private $_nextMarker;
+    
+    /**
+     * @var integer
+     */
+    private $_maxResults;
+    
+    /**
+     * @var string 
+     */
+    private $_containerName;
+
+    /**
+     * Creates ListBlobsResult object from parsed XML response.
+     *
+     * @param array $parsed XML response parsed into array.
+     * 
+     * @return ListBlobsResult
+     */
+    public static function create($parsed)
+    {
+        $result                 = new ListBlobsResult();
+        $serviceEndpoint        = Utilities::tryGetKeysChainValue(
+            $parsed,
+            Resources::XTAG_ATTRIBUTES,
+            Resources::XTAG_SERVICE_ENDPOINT
+        );
+        $containerName          = Utilities::tryGetKeysChainValue(
+            $parsed,
+            Resources::XTAG_ATTRIBUTES,
+            Resources::XTAG_CONTAINER_NAME
+        );
+        $result->_containerName = $containerName;
+        $result->_prefix        = Utilities::tryGetValue(
+            $parsed, Resources::QP_PREFIX
+        );
+        $result->_marker        = Utilities::tryGetValue(
+            $parsed, Resources::QP_MARKER
+        );
+        $result->_nextMarker    = Utilities::tryGetValue(
+            $parsed, Resources::QP_NEXT_MARKER
+        );
+        $result->_maxResults    = intval(
+            Utilities::tryGetValue($parsed, Resources::QP_MAX_RESULTS, 0)
+        );
+        $result->_delimiter     = Utilities::tryGetValue(
+            $parsed, Resources::QP_DELIMITER
+        );
+        $result->_blobs         = array();
+        $result->_blobPrefixes  = array();
+        $rawBlobs               = array();
+        $rawBlobPrefixes        = array();
+        
+        if (   is_array($parsed['Blobs'])
+            && array_key_exists('Blob', $parsed['Blobs'])
+        ) {
+            $rawBlobs = Utilities::getArray($parsed['Blobs']['Blob']);
+        }
+        
+        foreach ($rawBlobs as $value) {
+            $blob = new Blob();
+            $blob->setName($value['Name']);
+            $blob->setUrl($serviceEndpoint . $containerName . '/' . $value['Name']);
+            $blob->setSnapshot(Utilities::tryGetValue($value, 'Snapshot'));
+            $blob->setProperties(
+                BlobProperties::create(
+                    Utilities::tryGetValue($value, 'Properties')
+                )
+            );
+            $blob->setMetadata(
+                Utilities::tryGetValue($value, Resources::QP_METADATA, array())
+            );
+            
+            $result->_blobs[] = $blob;
+        }
+        
+        if (   is_array($parsed['Blobs'])
+            && array_key_exists('BlobPrefix', $parsed['Blobs'])
+        ) {
+            $rawBlobPrefixes = Utilities::getArray($parsed['Blobs']['BlobPrefix']);
+        }
+        
+        foreach ($rawBlobPrefixes as $value) {
+            $blobPrefix = new BlobPrefix();
+            $blobPrefix->setName($value['Name']);
+            
+            $result->_blobPrefixes[] = $blobPrefix;
+        }
+        
+        return $result;
+    }
+    
+    /**
+     * Gets blobs.
+     *
+     * @return Blob[]
+     */
+    public function getBlobs()
+    {
+        return $this->_blobs;
+    }
+    
+    /**
+     * Sets blobs.
+     *
+     * @param Blob[] $blobs list of blobs
+     * 
+     * @return none
+     */
+    public function setBlobs($blobs)
+    {
+        $this->_blobs = array();
+        foreach ($blobs as $blob) {
+            $this->_blobs[] = clone $blob;
+        }
+    }
+    
+    /**
+     * Gets blobPrefixes.
+     *
+     * @return array
+     */
+    public function getBlobPrefixes()
+    {
+        return $this->_blobPrefixes;
+    }
+    
+    /**
+     * Sets blobPrefixes.
+     *
+     * @param array $blobPrefixes list of blobPrefixes
+     * 
+     * @return none
+     */
+    public function setBlobPrefixes($blobPrefixes)
+    {
+        $this->_blobPrefixes = array();
+        foreach ($blobPrefixes as $blob) {
+            $this->_blobPrefixes[] = clone $blob;
+        }
+    }
+
+    /**
+     * Gets prefix.
+     *
+     * @return string
+     */
+    public function getPrefix()
+    {
+        return $this->_prefix;
+    }
+
+    /**
+     * Sets prefix.
+     *
+     * @param string $prefix value.
+     * 
+     * @return none
+     */
+    public function setPrefix($prefix)
+    {
+        $this->_prefix = $prefix;
+    }
+    
+    /**
+     * Gets prefix.
+     *
+     * @return string
+     */
+    public function getDelimiter()
+    {
+        return $this->_delimiter;
+    }
+
+    /**
+     * Sets prefix.
+     *
+     * @param string $delimiter value.
+     * 
+     * @return none
+     */
+    public function setDelimiter($delimiter)
+    {
+        $this->_delimiter = $delimiter;
+    }
+
+    /**
+     * Gets marker.
+     * 
+     * @return string
+     */
+    public function getMarker()
+    {
+        return $this->_marker;
+    }
+
+    /**
+     * Sets marker.
+     *
+     * @param string $marker value.
+     * 
+     * @return none
+     */
+    public function setMarker($marker)
+    {
+        $this->_marker = $marker;
+    }
+
+    /**
+     * Gets max results.
+     * 
+     * @return integer
+     */
+    public function getMaxResults()
+    {
+        return $this->_maxResults;
+    }
+
+    /**
+     * Sets max results.
+     *
+     * @param integer $maxResults value.
+     * 
+     * @return none
+     */
+    public function setMaxResults($maxResults)
+    {
+        $this->_maxResults = $maxResults;
+    }
+
+    /**
+     * Gets next marker.
+     * 
+     * @return string
+     */
+    public function getNextMarker()
+    {
+        return $this->_nextMarker;
+    }
+
+    /**
+     * Sets next marker.
+     *
+     * @param string $nextMarker value.
+     * 
+     * @return none
+     */
+    public function setNextMarker($nextMarker)
+    {
+        $this->_nextMarker = $nextMarker;
+    }
+    
+    /**
+     * Gets container name.
+     * 
+     * @return string
+     */
+    public function getContainerName()
+    {
+        return $this->_containerName;
+    }
+
+    /**
+     * Sets container name.
+     *
+     * @param string $containerName value.
+     * 
+     * @return none
+     */
+    public function setContainerName($containerName)
+    {
+        $this->_containerName = $containerName;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ListContainersOptions.php

@@ -0,0 +1,171 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Blob\Models\BlobServiceOptions;
+use \MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Options for listBlobs API.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ListContainersOptions extends BlobServiceOptions
+{
+    /**
+     * Filters the results to return only containers whose name begins with the
+     * specified prefix.
+     *
+     * @var string
+     */
+    private $_prefix;
+    
+    /**
+     * Identifies the portion of the list to be returned with the next list operation
+     * The operation returns a marker value within the
+     * response body if the list returned was not complete. The marker value may
+     * then be used in a subsequent call to request the next set of list items.
+     * The marker value is opaque to the client.
+     *
+     * @var string
+     */
+    private $_marker;
+    
+    /**
+     * Specifies the maximum number of containers to return. If the request does not
+     * specify maxresults, or specifies a value greater than 5,000, the server will
+     * return up to 5,000 items. If the parameter is set to a value less than or
+     * equal to zero, the server will return status code 400 (Bad Request).
+     *
+     * @var string
+     */
+    private $_maxResults;
+    
+    /**
+     * Include this parameter to specify that the container's metadata be returned
+     * as part of the response body.
+     *
+     * @var bool
+     */
+    private $_includeMetadata;
+
+    /**
+     * Gets prefix.
+     *
+     * @return string.
+     */
+    public function getPrefix()
+    {
+        return $this->_prefix;
+    }
+
+    /**
+     * Sets prefix.
+     *
+     * @param string $prefix value.
+     *
+     * @return none.
+     */
+    public function setPrefix($prefix)
+    {
+        Validate::isString($prefix, 'prefix');
+        $this->_prefix = $prefix;
+    }
+
+    /**
+     * Gets marker.
+     *
+     * @return string.
+     */
+    public function getMarker()
+    {
+        return $this->_marker;
+    }
+
+    /**
+     * Sets marker.
+     *
+     * @param string $marker value.
+     *
+     * @return none.
+     */
+    public function setMarker($marker)
+    {
+        Validate::isString($marker, 'marker');
+        $this->_marker = $marker;
+    }
+
+    /**
+     * Gets max results.
+     *
+     * @return string.
+     */
+    public function getMaxResults()
+    {
+        return $this->_maxResults;
+    }
+
+    /**
+     * Sets max results.
+     *
+     * @param string $maxResults value.
+     *
+     * @return none.
+     */
+    public function setMaxResults($maxResults)
+    {
+        Validate::isString($maxResults, 'maxResults');
+        $this->_maxResults = $maxResults;
+    }
+
+    /**
+     * Indicates if metadata is included or not.
+     *
+     * @return string.
+     */
+    public function getIncludeMetadata()
+    {
+        return $this->_includeMetadata;
+    }
+
+    /**
+     * Sets the include metadata flag.
+     *
+     * @param bool $includeMetadata value.
+     *
+     * @return none.
+     */
+    public function setIncludeMetadata($includeMetadata)
+    {
+        Validate::isBoolean($includeMetadata);
+        $this->_includeMetadata = $includeMetadata;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ListContainersResult.php

@@ -0,0 +1,266 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Blob\Models\Container;
+use MicrosoftAzure\Storage\Tests\Unit\Common\Internal\UtilitiesTest;
+
+/**
+ * Container to hold list container response object.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ListContainersResult
+{
+    /**
+     * @var array
+     */
+    private $_containers;
+    
+    /**
+     * @var string
+     */
+    private $_prefix;
+    
+    /**
+     * @var string
+     */
+    private $_marker;
+    
+    /**
+     * @var string
+     */
+    private $_nextMarker;
+    
+    /**
+     * @var integer
+     */
+    private $_maxResults;
+    
+    /**
+     * @var string
+     */
+    private $_accountName;
+
+    /**
+     * Creates ListBlobResult object from parsed XML response.
+     *
+     * @param array $parsedResponse XML response parsed into array.
+     * 
+     * @return ListBlobResult
+     */
+    public static function create($parsedResponse)
+    {
+        $result               = new ListContainersResult();
+        $serviceEndpoint      = Utilities::tryGetKeysChainValue(
+            $parsedResponse,
+            Resources::XTAG_ATTRIBUTES,
+            Resources::XTAG_SERVICE_ENDPOINT
+        );
+        $result->_accountName = Utilities::tryParseAccountNameFromUrl(
+            $serviceEndpoint
+        );
+        $result->_prefix      = Utilities::tryGetValue(
+            $parsedResponse, Resources::QP_PREFIX
+        );
+        $result->_marker      = Utilities::tryGetValue(
+            $parsedResponse, Resources::QP_MARKER
+        );
+        $result->_nextMarker  = Utilities::tryGetValue(
+            $parsedResponse, Resources::QP_NEXT_MARKER
+        );
+        $result->_maxResults  = Utilities::tryGetValue(
+            $parsedResponse, Resources::QP_MAX_RESULTS
+        );
+        $result->_containers  = array();
+        $rawContainer         = array();
+        
+        if ( !empty($parsedResponse['Containers']) ) {
+            $containersArray = $parsedResponse['Containers']['Container'];
+            $rawContainer    = Utilities::getArray($containersArray);
+        }
+        
+        foreach ($rawContainer as $value) {
+            $container = new Container();
+            $container->setName($value['Name']);
+            $container->setUrl($serviceEndpoint . $value['Name']);
+            $container->setMetadata(
+                Utilities::tryGetValue($value, Resources::QP_METADATA, array())
+            );
+            $properties = new ContainerProperties();
+            $date       = $value['Properties']['Last-Modified'];
+            $date       = Utilities::rfc1123ToDateTime($date);
+            $properties->setLastModified($date);
+            $properties->setETag($value['Properties']['Etag']);
+            $container->setProperties($properties);
+            $result->_containers[] = $container;
+        }
+        
+        return $result;
+    }
+
+    /**
+     * Sets containers.
+     *
+     * @param array $containers list of containers.
+     * 
+     * @return none
+     */
+    public function setContainers($containers)
+    {
+        $this->_containers = array();
+        foreach ($containers as $container) {
+            $this->_containers[] = clone $container;
+        }
+    }
+    
+    /**
+     * Gets containers.
+     *
+     * @return Container[]
+     */
+    public function getContainers()
+    {
+        return $this->_containers;
+    }
+
+    /**
+     * Gets prefix.
+     *
+     * @return string
+     */
+    public function getPrefix()
+    {
+        return $this->_prefix;
+    }
+
+    /**
+     * Sets prefix.
+     *
+     * @param string $prefix value.
+     * 
+     * @return none
+     */
+    public function setPrefix($prefix)
+    {
+        $this->_prefix = $prefix;
+    }
+
+    /**
+     * Gets marker.
+     * 
+     * @return string
+     */
+    public function getMarker()
+    {
+        return $this->_marker;
+    }
+
+    /**
+     * Sets marker.
+     *
+     * @param string $marker value.
+     * 
+     * @return none
+     */
+    public function setMarker($marker)
+    {
+        $this->_marker = $marker;
+    }
+
+    /**
+     * Gets max results.
+     * 
+     * @return string
+     */
+    public function getMaxResults()
+    {
+        return $this->_maxResults;
+    }
+
+    /**
+     * Sets max results.
+     *
+     * @param string $maxResults value.
+     * 
+     * @return none
+     */
+    public function setMaxResults($maxResults)
+    {
+        $this->_maxResults = $maxResults;
+    }
+
+    /**
+     * Gets next marker.
+     * 
+     * @return string
+     */
+    public function getNextMarker()
+    {
+        return $this->_nextMarker;
+    }
+
+    /**
+     * Sets next marker.
+     *
+     * @param string $nextMarker value.
+     * 
+     * @return none
+     */
+    public function setNextMarker($nextMarker)
+    {
+        $this->_nextMarker = $nextMarker;
+    }
+    
+    /**
+     * Gets account name.
+     * 
+     * @return string
+     */
+    public function getAccountName()
+    {
+        return $this->_accountName;
+    }
+
+    /**
+     * Sets account name.
+     *
+     * @param string $accountName value.
+     * 
+     * @return none
+     */
+    public function setAccountName($accountName)
+    {
+        $this->_accountName = $accountName;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ListPageBlobRangesOptions.php

@@ -0,0 +1,179 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Optional parameters for listPageBlobRanges wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ListPageBlobRangesOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var string
+     */
+    private $_snapshot;
+    
+    /**
+     * @var integer
+     */
+    private $_rangeStart;
+    
+    /**
+     * @var integer
+     */
+    private $_rangeEnd;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets blob snapshot.
+     *
+     * @return string.
+     */
+    public function getSnapshot()
+    {
+        return $this->_snapshot;
+    }
+
+    /**
+     * Sets blob snapshot.
+     *
+     * @param string $snapshot value.
+     * 
+     * @return none.
+     */
+    public function setSnapshot($snapshot)
+    {
+        $this->_snapshot = $snapshot;
+    }
+    
+    /**
+     * Gets rangeStart
+     * 
+     * @return integer
+     */
+    public function getRangeStart()
+    {
+        return $this->_rangeStart;
+    }
+    
+    /**
+     * Sets rangeStart
+     * 
+     * @param integer $rangeStart the blob lease id.
+     * 
+     * @return none
+     */
+    public function setRangeStart($rangeStart)
+    {
+        Validate::isInteger($rangeStart, 'rangeStart');
+        $this->_rangeStart = $rangeStart;
+    }
+    
+    /**
+     * Gets rangeEnd
+     * 
+     * @return integer
+     */
+    public function getRangeEnd()
+    {
+        return $this->_rangeEnd;
+    }
+    
+    /**
+     * Sets rangeEnd
+     * 
+     * @param integer $rangeEnd range end value in bytes
+     * 
+     * @return none
+     */
+    public function setRangeEnd($rangeEnd)
+    {
+        Validate::isInteger($rangeEnd, 'rangeEnd');
+        $this->_rangeEnd = $rangeEnd;
+    }
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/ListPageBlobRangesResult.php

@@ -0,0 +1,196 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Blob\Models\PageRange;
+
+/**
+ * Holds result of calling listPageBlobRanges wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ListPageBlobRangesResult
+{
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * @var integer
+     */
+    private $_contentLength;
+    
+    /**
+     * @var array
+     */
+    private $_pageRanges;
+    
+    /**
+     * Creates BlobProperties object from $parsed response in array representation
+     * 
+     * @param array $headers HTTP response headers
+     * @param array $parsed  parsed response in array format.
+     * 
+     * @return ListPageBlobRangesResult
+     */
+    public static function create($headers, $parsed)
+    {
+        $result  = new ListPageBlobRangesResult();
+        $headers = array_change_key_case($headers);
+        
+        $date          = $headers[Resources::LAST_MODIFIED];
+        $date          = Utilities::rfc1123ToDateTime($date);
+        $blobLength    = intval($headers[Resources::X_MS_BLOB_CONTENT_LENGTH]);
+        $rawPageRanges = array();
+        
+        if (!empty($parsed['PageRange'])) {
+            $parsed        = array_change_key_case($parsed);
+            $rawPageRanges = Utilities::getArray($parsed['pagerange']);
+        }
+        
+        $result->_pageRanges = array();
+        foreach ($rawPageRanges as $value) {
+            $result->_pageRanges[] = new PageRange(
+                intval($value['Start']), intval($value['End'])
+            );
+        }
+        
+        $result->setContentLength($blobLength);
+        $result->setETag($headers[Resources::ETAG]);
+        $result->setLastModified($date);
+        
+        return $result;
+    }
+    
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        Validate::isDate($lastModified);
+        $this->_lastModified = $lastModified;
+    }
+
+    /**
+     * Gets blob etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets blob etag.
+     *
+     * @param string $etag value.
+     *
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        Validate::isString($etag, 'etag');
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets blob contentLength.
+     *
+     * @return integer.
+     */
+    public function getContentLength()
+    {
+        return $this->_contentLength;
+    }
+
+    /**
+     * Sets blob contentLength.
+     *
+     * @param integer $contentLength value.
+     *
+     * @return none.
+     */
+    public function setContentLength($contentLength)
+    {
+        Validate::isInteger($contentLength, 'contentLength');
+        $this->_contentLength = $contentLength;
+    }
+    
+    /**
+     * Gets page ranges
+     * 
+     * @return array
+     */
+    public function getPageRanges()
+    {
+        return $this->_pageRanges;
+    }
+    
+    /**
+     * Sets page ranges
+     * 
+     * @param array $pageRanges page ranges to set
+     * 
+     * @return none
+     */
+    public function setPageRanges($pageRanges)
+    {
+        $this->_pageRanges = array();
+        foreach ($pageRanges as $pageRange) {
+            $this->_pageRanges[] = clone $pageRange;
+        }
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/PageRange.php

@@ -0,0 +1,129 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Holds info about page range used in HTTP requests
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class PageRange
+{
+    /**
+     * @var integer
+     */
+    private $_start;
+    
+    /**
+     * @var integer
+     */
+    private $_end;
+
+    /**
+     * Constructor
+     *
+     * @param integer $start the page start value
+     * @param integer $end   the page end value
+     *
+     * @return PageRange
+     */
+    public function __construct($start = null, $end = null)
+    {
+        $this->_start = $start;
+        $this->_end   = $end;
+    }
+    
+    /**
+     * Sets page start range
+     *
+     * @param integer $start the page range start
+     *
+     * @return none.
+     */
+    public function setStart($start)
+    {
+        $this->_start = $start;
+    }
+    
+    /**
+     * Gets page start range
+     *
+     * @return integer
+     */
+    public function getStart()
+    {
+        return $this->_start;
+    }
+    
+    /**
+     * Sets page end range
+     *
+     * @param integer $end the page range end
+     *
+     * @return none.
+     */
+    public function setEnd($end)
+    {
+        $this->_end = $end;
+    }
+    
+    /**
+     * Gets page end range
+     *
+     * @return integer
+     */
+    public function getEnd()
+    {
+        return $this->_end;
+    }
+    
+    /**
+     * Gets page range length
+     *
+     * @return integer
+     */
+    public function getLength()
+    {
+        return $this->_end - $this->_start + 1;
+    }
+    
+    /**
+     * Sets page range length
+     *
+     * @param integer $value new page range
+     *
+     * @return none
+     */
+    public function setLength($value)
+    {
+        $this->_end = $this->_start + $value - 1;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/PageWriteOption.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * Holds available blob page write options
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class PageWriteOption
+{
+    const CLEAR_OPTION  = 'clear';
+    const UPDATE_OPTION = 'update';
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/PublicAccessType.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+
+/**
+ * Holds public acces types for a container.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class PublicAccessType
+{
+    const NONE                = Resources::EMPTY_STRING;
+    const BLOBS_ONLY          = 'blob';
+    const CONTAINER_AND_BLOBS = 'container';
+    
+    /**
+     * Validates the public access.
+     * 
+     * @param string $type The public access type.
+     * 
+     * @return boolean
+     */
+    public static function isValid($type)
+    {
+        switch ($type) {
+        case self::NONE:
+        case self::BLOBS_ONLY:
+        case self::CONTAINER_AND_BLOBS:
+        return true;
+
+        default:
+        return false;
+        }
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/SetBlobMetadataOptions.php

@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+/**
+ * The optional parameters for setBlobMetadata API.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class SetBlobMetadataOptions extends BlobServiceOptions
+{
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/SetBlobMetadataResult.php

@@ -0,0 +1,118 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds results of calling getBlobMetadata wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class SetBlobMetadataResult
+{
+    
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * Creates SetBlobMetadataResult from response headers.
+     * 
+     * @param array $headers response headers
+     * 
+     * @return SetBlobMetadataResult
+     */
+    public static function create($headers)
+    {
+        $result = new SetBlobMetadataResult();
+        $date   = $headers[Resources::LAST_MODIFIED];
+        $result->setLastModified(Utilities::rfc1123ToDateTime($date));
+        $result->setETag($headers[Resources::ETAG]);
+        
+        return $result;
+    }
+    
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        Validate::isDate($lastModified);
+        $this->_lastModified = $lastModified;
+    }
+
+    /**
+     * Gets blob etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets blob etag.
+     *
+     * @param string $etag value.
+     *
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        Validate::isString($etag, 'etag');
+        $this->_etag = $etag;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/SetBlobPropertiesOptions.php

@@ -0,0 +1,292 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Optional parameters for setBlobProperties wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class SetBlobPropertiesOptions extends BlobServiceOptions
+{
+    /**
+     * @var BlobProperties
+     */
+    private $_blobProperties;
+    
+    /**
+     * @var string
+     */
+    private $_leaseId;
+    
+    /**
+     * @var string
+     */
+    private $_sequenceNumberAction;
+    
+    /**
+     * @var AccessCondition
+     */
+    private $_accessCondition;
+    
+    /**
+     * Creates a new SetBlobPropertiesOptions with a specified BlobProperties 
+     * instance.
+     * 
+     * @param BlobProperties $blobProperties The blob properties instance.
+     */
+    public function __construct($blobProperties = null)
+    {
+        $this->_blobProperties = is_null($blobProperties) 
+                                 ? new BlobProperties() : clone $blobProperties;
+    }
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+    
+    /**
+     * Gets blob sequenceNumber.
+     *
+     * @return integer.
+     */
+    public function getSequenceNumber()
+    {
+        return $this->_blobProperties->getSequenceNumber();
+    }
+
+    /**
+     * Sets blob sequenceNumber.
+     *
+     * @param integer $sequenceNumber value.
+     *
+     * @return none.
+     */
+    public function setSequenceNumber($sequenceNumber)
+    {
+        $this->_blobProperties->setSequenceNumber($sequenceNumber);
+    }
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getSequenceNumberAction()
+    {
+        return $this->_sequenceNumberAction;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $sequenceNumberAction action.
+     * 
+     * @return none
+     */
+    public function setSequenceNumberAction($sequenceNumberAction)
+    {
+        $this->_sequenceNumberAction = $sequenceNumberAction;
+    }
+    
+    /**
+     * Gets lease Id for the blob
+     * 
+     * @return string
+     */
+    public function getLeaseId()
+    {
+        return $this->_leaseId;
+    }
+    
+    /**
+     * Sets lease Id for the blob
+     * 
+     * @param string $leaseId the blob lease id.
+     * 
+     * @return none
+     */
+    public function setLeaseId($leaseId)
+    {
+        $this->_leaseId = $leaseId;
+    }
+    
+    /**
+     * Gets blob blobContentLength.
+     *
+     * @return integer.
+     */
+    public function getBlobContentLength()
+    {
+        return $this->_blobProperties->getContentLength();
+    }
+
+    /**
+     * Sets blob blobContentLength.
+     *
+     * @param integer $blobContentLength value.
+     *
+     * @return none.
+     */
+    public function setBlobContentLength($blobContentLength)
+    {
+        $this->_blobProperties->setContentLength($blobContentLength);
+    }
+    
+    /**
+     * Gets blob ContentType.
+     *
+     * @return string.
+     */
+    public function getBlobContentType()
+    {
+        return $this->_blobProperties->getContentType();
+    }
+
+    /**
+     * Sets blob ContentType.
+     *
+     * @param string $blobContentType value.
+     *
+     * @return none.
+     */
+    public function setBlobContentType($blobContentType)
+    {
+        $this->_blobProperties->setContentType($blobContentType);
+    }
+    
+    /**
+     * Gets blob ContentEncoding.
+     *
+     * @return string.
+     */
+    public function getBlobContentEncoding()
+    {
+        return $this->_blobProperties->getContentEncoding();
+    }
+
+    /**
+     * Sets blob ContentEncoding.
+     *
+     * @param string $blobContentEncoding value.
+     *
+     * @return none.
+     */
+    public function setBlobContentEncoding($blobContentEncoding)
+    {
+        $this->_blobProperties->setContentEncoding($blobContentEncoding);
+    }
+    
+    /**
+     * Gets blob ContentLanguage.
+     *
+     * @return string.
+     */
+    public function getBlobContentLanguage()
+    {
+        return $this->_blobProperties->getContentLanguage();
+    }
+
+    /**
+     * Sets blob ContentLanguage.
+     *
+     * @param string $blobContentLanguage value.
+     *
+     * @return none.
+     */
+    public function setBlobContentLanguage($blobContentLanguage)
+    {
+        $this->_blobProperties->setContentLanguage($blobContentLanguage);
+    }
+    
+    /**
+     * Gets blob ContentMD5.
+     *
+     * @return string.
+     */
+    public function getBlobContentMD5()
+    {
+        return $this->_blobProperties->getContentMD5();
+    }
+
+    /**
+     * Sets blob ContentMD5.
+     *
+     * @param string $blobContentMD5 value.
+     *
+     * @return none.
+     */
+    public function setBlobContentMD5($blobContentMD5)
+    {
+        $this->_blobProperties->setContentMD5($blobContentMD5);
+    }
+    
+    /**
+     * Gets blob cache control.
+     *
+     * @return string.
+     */
+    public function getBlobCacheControl()
+    {
+        return $this->_blobProperties->getCacheControl();
+    }
+    
+    /**
+     * Sets blob cacheControl.
+     *
+     * @param string $blobCacheControl value to use.
+     * 
+     * @return none.
+     */
+    public function setBlobCacheControl($blobCacheControl)
+    {
+        $this->_blobProperties->setCacheControl($blobCacheControl);
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/SetBlobPropertiesResult.php

@@ -0,0 +1,149 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds result of calling setBlobProperties wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class SetBlobPropertiesResult
+{
+    /**
+     * @var \DateTime
+     */
+    private $_lastModified;
+    
+    /**
+     * @var string
+     */
+    private $_etag;
+    
+    /**
+     * @var integer
+     */
+    private $_sequenceNumber;
+    
+    /**
+     * Creates SetBlobPropertiesResult from response headers.
+     * 
+     * @param array $headers response headers
+     * 
+     * @return SetBlobPropertiesResult
+     */
+    public static function create($headers)
+    {
+        $result = new SetBlobPropertiesResult();
+        $date   = $headers[Resources::LAST_MODIFIED];
+        $result->setLastModified(Utilities::rfc1123ToDateTime($date));
+        $result->setETag($headers[Resources::ETAG]);
+        if (array_key_exists(Resources::X_MS_BLOB_SEQUENCE_NUMBER, $headers)) {
+            $sNumber = $headers[Resources::X_MS_BLOB_SEQUENCE_NUMBER];
+            $result->setSequenceNumber(intval($sNumber));
+        }
+        
+        return $result;
+    }
+    
+    /**
+     * Gets blob lastModified.
+     *
+     * @return \DateTime.
+     */
+    public function getLastModified()
+    {
+        return $this->_lastModified;
+    }
+
+    /**
+     * Sets blob lastModified.
+     *
+     * @param \DateTime $lastModified value.
+     *
+     * @return none.
+     */
+    public function setLastModified($lastModified)
+    {
+        Validate::isDate($lastModified);
+        $this->_lastModified = $lastModified;
+    }
+
+    /**
+     * Gets blob etag.
+     *
+     * @return string.
+     */
+    public function getETag()
+    {
+        return $this->_etag;
+    }
+
+    /**
+     * Sets blob etag.
+     *
+     * @param string $etag value.
+     *
+     * @return none.
+     */
+    public function setETag($etag)
+    {
+        Validate::isString($etag, 'etag');
+        $this->_etag = $etag;
+    }
+    
+    /**
+     * Gets blob sequenceNumber.
+     *
+     * @return int.
+     */
+    public function getSequenceNumber()
+    {
+        return $this->_sequenceNumber;
+    }
+
+    /**
+     * Sets blob sequenceNumber.
+     *
+     * @param int $sequenceNumber value.
+     *
+     * @return none.
+     */
+    public function setSequenceNumber($sequenceNumber)
+    {
+        Validate::isInteger($sequenceNumber, 'sequenceNumber');
+        $this->_sequenceNumber = $sequenceNumber;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/SetContainerMetadataOptions.php

@@ -0,0 +1,78 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+use MicrosoftAzure\Storage\Blob\Models\AccessCondition;
+use MicrosoftAzure\Storage\Blob\Models\BlobServiceOptions;
+
+/**
+ * Optional parameters for setContainerMetadata wrapper
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class SetContainerMetadataOptions extends BlobServiceOptions
+{
+    /**
+     * @var AccessCondition 
+     */
+    private $_accessCondition;
+    
+    /**
+     * Constructs the access condition object with none option. 
+     */
+    public function __construct()
+    {
+        $this->_accessCondition = AccessCondition::none();
+    }
+    
+    /**
+     * Gets access condition
+     * 
+     * @return AccessCondition
+     */
+    public function getAccessCondition()
+    {
+        return $this->_accessCondition;
+    }
+    
+    /**
+     * Sets access condition
+     * 
+     * @param AccessCondition $accessCondition value to use.
+     * 
+     * @return none.
+     */
+    public function setAccessCondition($accessCondition)
+    {
+        $this->_accessCondition = $accessCondition;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Blob/Models/SignedIdentifier.php

@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Blob\Models;
+
+use MicrosoftAzure\Storage\Blob\Models\AccessPolicy;
+
+/**
+ * Holds container signed identifiers.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Blob\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class SignedIdentifier
+{
+    private $_id;
+    private $_accessPolicy;
+    
+    /**
+     * Gets id.
+     *
+     * @return string.
+     */
+    public function getId()
+    {
+        return $this->_id;
+    }
+
+    /**
+     * Sets id.
+     *
+     * @param string $id value.
+     *
+     * @return none.
+     */
+    public function setId($id)
+    {
+        $this->_id = $id;
+    }
+    
+    /**
+     * Gets accessPolicy.
+     *
+     * @return string.
+     */
+    public function getAccessPolicy()
+    {
+        return $this->_accessPolicy;
+    }
+
+    /**
+     * Sets accessPolicy.
+     *
+     * @param string $accessPolicy value.
+     *
+     * @return none.
+     */
+    public function setAccessPolicy($accessPolicy)
+    {
+        $this->_accessPolicy = $accessPolicy;
+    }
+    
+    /**
+     * Converts this current object to XML representation.
+     *
+     * @return array.
+     */
+    public function toArray()
+    {
+        $array = array();
+        
+        $array['SignedIdentifier']['Id']           = $this->_id;
+        $array['SignedIdentifier']['AccessPolicy'] = $this->_accessPolicy->toArray();
+        
+        return $array;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/CloudConfigurationManager.php

@@ -0,0 +1,167 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\ConnectionStringSource;
+
+/**
+ * Configuration manager for accessing Windows Azure settings.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class CloudConfigurationManager
+{
+    /**
+     * @var boolean
+     */
+    private static $_isInitialized = false;
+    
+    /**
+     * The list of connection string sources.
+     * 
+     * @var array
+     */
+    private static $_sources;
+    
+    /**
+     * Restrict users from creating instances from this class
+     */
+    private function __construct()
+    {
+        
+    }
+    
+    /**
+     * Initializes the connection string source providers.
+     * 
+     * @return none 
+     */
+    private static function _init()
+    {
+        if (!self::$_isInitialized) {
+            self::$_sources = array();
+            
+            // Get list of default connection string sources.
+            $default = ConnectionStringSource::getDefaultSources();
+            foreach ($default as $name => $provider) {
+                self::$_sources[$name] = $provider;
+            }
+            
+            self::$_isInitialized = true;
+        }
+    }
+    
+    /**
+     * Gets a connection string from all available sources.
+     * 
+     * @param string $key The connection string key name.
+     * 
+     * @return string If the key does not exist return null.
+     */
+    public static function getConnectionString($key)
+    {
+        Validate::isString($key, 'key');
+        
+        self::_init();
+        $value = null;
+        
+        foreach (self::$_sources as $source) {
+            $value = call_user_func_array($source, array($key));
+            
+            if (!empty($value)) {
+                break;
+            }
+        }
+        
+        return $value;
+    }
+    
+    /**
+     * Registers a new connection string source provider. If the source to get 
+     * registered is a default source, only the name of the source is required.
+     * 
+     * @param string   $name     The source name.
+     * @param callable $provider The source callback.
+     * @param boolean  $prepend  When true, the $provider is processed first when 
+     * calling getConnectionString. When false (the default) the $provider is 
+     * processed after the existing callbacks.
+     * 
+     * @return none
+     */
+    public static function registerSource($name, $provider = null, $prepend = false)
+    {
+        Validate::isString($name, 'name');
+        Validate::notNullOrEmpty($name, 'name');
+        
+        self::_init();
+        $default = ConnectionStringSource::getDefaultSources();
+        
+        // Try to get callback if the user is trying to register a default source.
+        $provider = Utilities::tryGetValue($default, $name, $provider);
+        
+        Validate::notNullOrEmpty($provider, 'callback');
+        
+        if ($prepend) {
+            self::$_sources = array_merge(
+                array($name => $provider),
+                self::$_sources
+            );
+            
+        } else {
+            self::$_sources[$name] = $provider;
+        }
+    }
+    
+    /**
+     * Unregisters a connection string source.
+     * 
+     * @param string $name The source name.
+     * 
+     * @return callable
+     */
+    public static function unregisterSource($name)
+    {
+        Validate::isString($name, 'name');
+        Validate::notNullOrEmpty($name, 'name');
+        
+        self::_init();
+        
+        $sourceCallback = Utilities::tryGetValue(self::$_sources, $name);
+        
+        if (!is_null($sourceCallback)) {
+            unset(self::$_sources[$name]);
+        }
+        
+        return $sourceCallback;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Authentication/IAuthScheme.php

@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Authentication
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal\Authentication;
+
+/**
+ * Interface for azure authentication schemes.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Authentication
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+interface IAuthScheme
+{
+    /**
+     * Returns authorization header to be included in the request.
+     *
+     * @param array  $headers     request headers.
+     * @param string $url         reuqest url.
+     * @param array  $queryParams query variables.
+     * @param string $httpMethod  request http method.
+     *
+     * @see Specifying the Authorization Header section at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @abstract
+     *
+     * @return string
+     */
+    public function getAuthorizationHeader($headers, $url, $queryParams,
+        $httpMethod
+    );
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Authentication/SharedKeyAuthScheme.php

@@ -0,0 +1,139 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Authentication
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Authentication;
+
+use MicrosoftAzure\Storage\Common\Internal\Authentication\StorageAuthScheme;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Provides shared key authentication scheme for blob and queue. For more info
+ * check: http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Authentication
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class SharedKeyAuthScheme extends StorageAuthScheme
+{
+    protected $includedHeaders;
+
+    /**
+     * Constructor.
+     *
+     * @param string $accountName storage account name.
+     * @param string $accountKey  storage account primary or secondary key.
+     *
+     * @return
+     * MicrosoftAzure\Storage\Common\Internal\Authentication\SharedKeyAuthScheme
+     */
+    public function __construct($accountName, $accountKey)
+    {
+        parent::__construct($accountName, $accountKey);
+
+        $this->includedHeaders   = array();
+        $this->includedHeaders[] = Resources::CONTENT_ENCODING;
+        $this->includedHeaders[] = Resources::CONTENT_LANGUAGE;
+        $this->includedHeaders[] = Resources::CONTENT_LENGTH;
+        $this->includedHeaders[] = Resources::CONTENT_MD5;
+        $this->includedHeaders[] = Resources::CONTENT_TYPE;
+        $this->includedHeaders[] = Resources::DATE;
+        $this->includedHeaders[] = Resources::IF_MODIFIED_SINCE;
+        $this->includedHeaders[] = Resources::IF_MATCH;
+        $this->includedHeaders[] = Resources::IF_NONE_MATCH;
+        $this->includedHeaders[] = Resources::IF_UNMODIFIED_SINCE;
+        $this->includedHeaders[] = Resources::RANGE;
+    }
+
+    /**
+     * Computes the authorization signature for blob and queue shared key.
+     *
+     * @param array  $headers     request headers.
+     * @param string $url         reuqest url.
+     * @param array  $queryParams query variables.
+     * @param string $httpMethod  request http method.
+     *
+     * @see Blob and Queue Services (Shared Key Authentication) at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @return string
+     */
+    protected function computeSignature($headers, $url, $queryParams, $httpMethod)
+    {
+        $canonicalizedHeaders = parent::computeCanonicalizedHeaders($headers);
+        
+        $canonicalizedResource = parent::computeCanonicalizedResource(
+            $url,
+            $queryParams
+        );
+
+        $stringToSign   = array();
+        $stringToSign[] = strtoupper($httpMethod);
+        
+        foreach ($this->includedHeaders as $header) {
+            $stringToSign[] = Utilities::tryGetValue($headers, $header);
+        }
+        
+        if (count($canonicalizedHeaders) > 0) {
+            $stringToSign[] = implode("\n", $canonicalizedHeaders);
+        }
+
+        $stringToSign[] = $canonicalizedResource;
+        $stringToSign   = implode("\n", $stringToSign);
+        
+        return $stringToSign;
+    }
+    
+    /**
+     * Returns authorization header to be included in the request.
+     *
+     * @param array  $headers     request headers.
+     * @param string $url         reuqest url.
+     * @param array  $queryParams query variables.
+     * @param string $httpMethod  request http method.
+     *
+     * @see Specifying the Authorization Header section at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @return string
+     */
+    public function getAuthorizationHeader($headers, $url, $queryParams, $httpMethod)
+    {
+        $signature = $this->computeSignature(
+            $headers,
+            $url,
+            $queryParams,
+            $httpMethod
+        );
+        
+        return 'SharedKey ' . $this->accountName . ':' . base64_encode(
+            hash_hmac('sha256', $signature, base64_decode($this->accountKey), true)
+        );
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Authentication/StorageAuthScheme.php

@@ -0,0 +1,213 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Authentication
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal\Authentication;
+
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\Authentication\IAuthScheme;
+
+/**
+ * Base class for azure authentication schemes.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Authentication
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+abstract class StorageAuthScheme implements IAuthScheme
+{
+    protected $accountName;
+    protected $accountKey;
+
+    /**
+     * Constructor.
+     *
+     * @param string $accountName storage account name.
+     * @param string $accountKey  storage account primary or secondary key.
+     *
+     * @return
+     * MicrosoftAzure\Storage\Common\Internal\Authentication\StorageAuthScheme
+     */
+    public function __construct($accountName, $accountKey)
+    {
+        $this->accountKey  = $accountKey;
+        $this->accountName = $accountName;
+    }
+
+    /**
+     * Computes canonicalized headers for headers array.
+     *
+     * @param array $headers request headers.
+     *
+     * @see Constructing the Canonicalized Headers String section at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @return array
+     */
+    protected function computeCanonicalizedHeaders($headers)
+    {
+        $canonicalizedHeaders = array();
+        $normalizedHeaders    = array();
+        $validPrefix          =  Resources::X_MS_HEADER_PREFIX;
+
+        if (is_null($normalizedHeaders)) {
+            return $canonicalizedHeaders;
+        }
+
+        foreach ($headers as $header => $value) {
+            // Convert header to lower case.
+            $header = strtolower($header);
+
+            // Retrieve all headers for the resource that begin with x-ms-,
+            // including the x-ms-date header.
+            if (Utilities::startsWith($header, $validPrefix)) {
+                // Unfold the string by replacing any breaking white space
+                // (meaning what splits the headers, which is \r\n) with a single
+                // space.
+                $value = str_replace("\r\n", ' ', $value);
+
+                // Trim any white space around the colon in the header.
+                $value  = ltrim($value);
+                $header = rtrim($header);
+
+                $normalizedHeaders[$header] = $value;
+            }
+        }
+
+        // Sort the headers lexicographically by header name, in ascending order.
+        // Note that each header may appear only once in the string.
+        ksort($normalizedHeaders);
+
+        foreach ($normalizedHeaders as $key => $value) {
+            $canonicalizedHeaders[] = $key . ':' . $value;
+        }
+
+        return $canonicalizedHeaders;
+    }
+
+    /**
+     * Computes canonicalized resources from URL using Table formar
+     *
+     * @param string $url         request url.
+     * @param array  $queryParams request query variables.
+     *
+     * @see Constructing the Canonicalized Resource String section at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @return string
+     */
+    protected function computeCanonicalizedResourceForTable($url, $queryParams)
+    {
+        $queryParams = array_change_key_case($queryParams);
+
+        // 1. Beginning with an empty string (""), append a forward slash (/),
+        //    followed by the name of the account that owns the accessed resource.
+        $canonicalizedResource = '/' . $this->accountName;
+
+        // 2. Append the resource's encoded URI path, without any query parameters.
+        $canonicalizedResource .= parse_url($url, PHP_URL_PATH);
+
+        // 3. The query string should include the question mark and the comp
+        //    parameter (for example, ?comp=metadata). No other parameters should
+        //    be included on the query string.
+        if (array_key_exists(Resources::QP_COMP, $queryParams)) {
+            $canonicalizedResource .= '?' . Resources::QP_COMP . '=';
+            $canonicalizedResource .= $queryParams[Resources::QP_COMP];
+        }
+
+        return $canonicalizedResource;
+    }
+
+    /**
+     * Computes canonicalized resources from URL.
+     *
+     * @param string $url         request url.
+     * @param array  $queryParams request query variables.
+     *
+     * @see Constructing the Canonicalized Resource String section at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @return string
+     */
+    protected function computeCanonicalizedResource($url, $queryParams)
+    {
+        $queryParams = array_change_key_case($queryParams);
+
+        // 1. Beginning with an empty string (""), append a forward slash (/),
+        //    followed by the name of the account that owns the accessed resource.
+        $canonicalizedResource = '/' . $this->accountName;
+
+        // 2. Append the resource's encoded URI path, without any query parameters.
+        $canonicalizedResource .= parse_url($url, PHP_URL_PATH);
+
+        // 3. Retrieve all query parameters on the resource URI, including the comp
+        //    parameter if it exists.
+        // 4. Sort the query parameters lexicographically by parameter name, in
+        //    ascending order.
+        if (count($queryParams) > 0) {
+            ksort($queryParams);
+        }
+
+        // 5. Convert all parameter names to lowercase.
+        // 6. URL-decode each query parameter name and value.
+        // 7. Append each query parameter name and value to the string in the
+        //    following format:
+        //      parameter-name:parameter-value
+        // 9. Group query parameters
+        // 10. Append a new line character (\n) after each name-value pair.
+        foreach ($queryParams as $key => $value) {
+            // $value must already be ordered lexicographically
+            // See: ServiceRestProxy::groupQueryValues
+            $canonicalizedResource .= "\n" . $key . ':' . $value;
+        }
+
+        return $canonicalizedResource;
+    }
+
+    /**
+     * Computes the authorization signature.
+     *
+     * @param array  $headers     request headers.
+     * @param string $url         reuqest url.
+     * @param array  $queryParams query variables.
+     * @param string $httpMethod  request http method.
+     *
+     * @see check all authentication schemes at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @abstract
+     *
+     * @return string
+     */
+    abstract protected function computeSignature(
+        $headers,
+        $url,
+        $queryParams,
+        $httpMethod
+    );
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Authentication/TableSharedKeyLiteAuthScheme.php

@@ -0,0 +1,121 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Authentication
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      http://github.com/windowsazure/azure-sdk-for-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Authentication;
+
+use MicrosoftAzure\Storage\Common\Internal\Authentication\StorageAuthScheme;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Provides shared key authentication scheme for blob and queue. For more info
+ * check: http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Authentication
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      http://github.com/windowsazure/azure-sdk-for-php
+ */
+class TableSharedKeyLiteAuthScheme extends StorageAuthScheme
+{
+    protected $includedHeaders;
+
+    /**
+     * Constructor.
+     *
+     * @param string $accountName storage account name.
+     * @param string $accountKey  storage account primary or secondary key.
+     *
+     * @return TableSharedKeyLiteAuthScheme
+     */
+    public function __construct($accountName, $accountKey)
+    {
+        parent::__construct($accountName, $accountKey);
+
+        $this->includedHeaders   = array();
+        $this->includedHeaders[] = Resources::DATE;
+    }
+
+    /**
+     * Computes the authorization signature for blob and queue shared key.
+     *
+     * @param array  $headers     request headers.
+     * @param string $url         reuqest url.
+     * @param array  $queryParams query variables.
+     * @param string $httpMethod  request http method.
+     *
+     * @see Blob and Queue Services (Shared Key Authentication) at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @return string
+     */
+    protected function computeSignature($headers, $url, $queryParams, $httpMethod)
+    {
+        $canonicalizedResource = parent::computeCanonicalizedResourceForTable(
+            $url,
+            $queryParams
+        );
+        
+        $stringToSign = array();
+
+        foreach ($this->includedHeaders as $header) {
+            $stringToSign[] = Utilities::tryGetValue($headers, $header);
+        }
+
+        $stringToSign[] = $canonicalizedResource;
+        $stringToSign   = implode("\n", $stringToSign);
+        
+        return $stringToSign;
+    }
+    
+    /**
+     * Returns authorization header to be included in the request.
+     *
+     * @param array  $headers     request headers.
+     * @param string $url         reuqest url.
+     * @param array  $queryParams query variables.
+     * @param string $httpMethod  request http method.
+     *
+     * @see Specifying the Authorization Header section at
+     *      http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx
+     *
+     * @return string
+     */
+    public function getAuthorizationHeader($headers, $url, $queryParams, $httpMethod)
+    {
+        $signature = $this->computeSignature(
+            $headers,
+            $url,
+            $queryParams,
+            $httpMethod
+        );
+
+        return 'SharedKeyLite ' . $this->accountName . ':' . base64_encode(
+            hash_hmac('sha256', $signature, base64_decode($this->accountKey), true)
+        );
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/ConnectionStringParser.php

@@ -0,0 +1,352 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+/**
+ * Helper methods for parsing connection strings. The rules for formatting connection
+ * strings are defined here:
+ * www.connectionstrings.com/articles/show/important-rules-for-connection-strings
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ConnectionStringParser
+{
+    const EXPECT_KEY        = 'ExpectKey';
+    const EXPECT_ASSIGNMENT = 'ExpectAssignment';
+    const EXPECT_VALUE      = 'ExpectValue';
+    const EXPECT_SEPARATOR  = 'ExpectSeparator';
+
+    /**
+     * @var string
+     */
+    private $_argumentName;
+    
+    /**
+     * @var string
+     */
+    private $_value;
+    
+    /**
+     * @var integer
+     */
+    private $_pos;
+    
+    /**
+     * @var string
+     */
+    private $_state;
+    
+    /**
+     * Parses the connection string into a collection of key/value pairs.
+     *
+     * @param string $argumentName     Name of the argument to be used in error
+     * messages.
+     * @param string $connectionString Connection string.
+     *
+     * @return array
+     *
+     * @static
+     */
+    public static function parseConnectionString($argumentName, $connectionString)
+    {
+        Validate::isString($argumentName, 'argumentName');
+        Validate::notNullOrEmpty($argumentName, 'argumentName');
+        Validate::isString($connectionString, 'connectionString');
+        Validate::notNullOrEmpty($connectionString, 'connectionString');
+        
+        $parser = new ConnectionStringParser($argumentName, $connectionString);
+        return $parser->_parse();
+    }
+    
+    /**
+     * Initializes the object.
+     *
+     * @param string $argumentName Name of the argument to be used in error
+     * messages.
+     * @param string $value        Connection string.
+     */
+    private function __construct($argumentName, $value)
+    {
+        $this->_argumentName = $argumentName;
+        $this->_value        = $value;
+        $this->_pos          = 0;
+        $this->_state        = ConnectionStringParser::EXPECT_KEY;
+    }
+    
+    /**
+     * Parses the connection string.
+     *
+     * @return array
+     *
+     * @throws \RuntimeException
+     */
+    private function _parse()
+    {
+        $key                    = null;
+        $value                  = null;
+        $connectionStringValues = array();
+        
+        while (true) {
+            $this->_skipWhiteSpaces();
+            
+            if ($this->_pos == strlen($this->_value)
+                && $this->_state != ConnectionStringParser::EXPECT_VALUE
+            ) {
+                // Not stopping after the end has been reached and a value is
+                // expected results in creating an empty value, which we expect.
+                break;
+            }
+            
+            switch ($this->_state) {
+                case ConnectionStringParser::EXPECT_KEY:
+                    $key          = $this->_extractKey();
+                    $this->_state = ConnectionStringParser::EXPECT_ASSIGNMENT;
+                    break;
+                
+                case ConnectionStringParser::EXPECT_ASSIGNMENT:
+                    $this->_skipOperator('=');
+                    $this->_state = ConnectionStringParser::EXPECT_VALUE;
+                    break;
+                
+                case ConnectionStringParser::EXPECT_VALUE:
+                    $value                        = $this->_extractValue();
+                    $this->_state                 =
+                    ConnectionStringParser::EXPECT_SEPARATOR;
+                    $connectionStringValues[$key] = $value;
+                    $key                          = null;
+                    $value                        = null;
+                    break;
+                
+                default:
+                    $this->_skipOperator(';');
+                    $this->_state = ConnectionStringParser::EXPECT_KEY;
+                    break;
+            }
+        }
+        
+        // Must end parsing in the valid state (expected key or separator)
+        if ($this->_state == ConnectionStringParser::EXPECT_ASSIGNMENT) {
+            throw $this->_createException(
+                $this->_pos,
+                Resources::MISSING_CONNECTION_STRING_CHAR,
+                '='
+            );
+        }
+        
+        return $connectionStringValues;
+    }
+    
+    /**
+     *Generates an invalid connection string exception with the detailed error
+     * message.
+     *
+     * @param integer $position    The position of the error.
+     * @param string  $errorString The short error formatting string.
+     *
+     * @return \RuntimeException
+     */
+    private function _createException($position, $errorString)
+    {
+        $arguments = func_get_args();
+        
+        // Remove first and second arguments (position and error string)
+        unset($arguments[0],  $arguments[1]);
+        
+        // Create a short error message.
+        $errorString = vsprintf($errorString, $arguments);
+        
+        // Add position.
+        $errorString = sprintf(
+            Resources::ERROR_PARSING_STRING,
+            $errorString,
+            $position
+        );
+        
+        // Create final error message.
+        $errorString = sprintf(
+            Resources::INVALID_CONNECTION_STRING,
+            $this->_argumentName,
+            $errorString
+        );
+        
+        return new \RuntimeException($errorString);
+    }
+    
+    /**
+     * Skips whitespaces at the current position.
+     *
+     * @return none
+     */
+    private function _skipWhiteSpaces()
+    {
+        while ($this->_pos < strlen($this->_value)
+              &&  ctype_space($this->_value[$this->_pos])
+        ) {
+            $this->_pos++;
+        }
+    }
+    
+    /**
+     * Extracts the key's value.
+     *
+     * @return string
+     */
+    private function _extractValue()
+    {
+        $value = Resources::EMPTY_STRING;
+        
+        if ($this->_pos < strlen($this->_value)) {
+            $ch = $this->_value[$this->_pos];
+            
+            if ($ch == '"' || $ch == '\'') {
+                // Value is contained between double quotes or skipped single quotes.
+                $this->_pos++;
+                $value = $this->_extractString($ch);
+            } else {
+                $firstPos = $this->_pos;
+                $isFound  = false;
+                
+                while ($this->_pos < strlen($this->_value) && !$isFound) {
+                    $ch = $this->_value[$this->_pos];
+                    
+                    if ($ch == ';') {
+                        $isFound = true;
+                    } else {
+                        $this->_pos++;
+                    }
+                }
+                
+                $value = rtrim(
+                    substr($this->_value, $firstPos, $this->_pos - $firstPos)
+                );
+            }
+        }
+        
+        return $value;
+    }
+    
+    /**
+     * Extracts key at the current position.
+     *
+     * @return string
+     */
+    private function _extractKey()
+    {
+        $key      = null;
+        $firstPos = $this->_pos;
+        $ch       = $this->_value[$this->_pos];
+        
+        if ($ch == '"' || $ch == '\'') {
+            $this->_pos++;
+            $key = $this->_extractString($ch);
+        } else if ($ch == ';' || $ch == '=') {
+            // Key name was expected.
+            throw $this->_createException(
+                $firstPos,
+                Resources::ERROR_CONNECTION_STRING_MISSING_KEY
+            );
+        } else {
+            while ($this->_pos < strlen($this->_value)) {
+                $ch = $this->_value[$this->_pos];
+                
+                // At this point we've read the key, break.
+                if ($ch == '=') {
+                    break;
+                }
+                
+                $this->_pos++;
+            }
+            $key = rtrim(substr($this->_value, $firstPos, $this->_pos - $firstPos));
+        }
+        
+        if (strlen($key) == 0) {
+            // Empty key name.
+            throw $this->_createException(
+                $firstPos,
+                Resources::ERROR_CONNECTION_STRING_EMPTY_KEY
+            );
+        }
+        
+        return $key;
+    }
+    
+    /**
+     * Extracts the string until the given quotation mark.
+     *
+     * @param string $quote The quotation mark terminating the string.
+     *
+     * @return string
+     */
+    private function _extractString($quote)
+    {
+        $firstPos = $this->_pos;
+        
+        while ($this->_pos < strlen($this->_value)
+              &&  $this->_value[$this->_pos] != $quote
+        ) {
+            $this->_pos++;
+        }
+        
+        if ($this->_pos == strlen($this->_value)) {
+            // Runaway string.
+            throw $this->_createException(
+                $this->_pos,
+                Resources::ERROR_CONNECTION_STRING_MISSING_CHARACTER,
+                $quote
+            );
+        }
+        
+        return substr($this->_value, $firstPos, $this->_pos++ - $firstPos);
+    }
+    
+    /**
+     * Skips specified operator.
+     *
+     * @param string $operatorChar The operator character.
+     *
+     * @return none
+     *
+     * @throws \RuntimeException
+     */
+    private function _skipOperator($operatorChar)
+    {
+        if ($this->_value[$this->_pos] != $operatorChar) {
+            // Character was expected.
+            throw $this->_createException(
+                $this->_pos,
+                Resources::MISSING_CONNECTION_STRING_CHAR,
+                $operatorChar
+            );
+        }
+        
+        $this->_pos++;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/ConnectionStringSource.php

@@ -0,0 +1,98 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+/**
+ * Holder for default connection string sources used in CloudConfigurationManager.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ConnectionStringSource
+{
+    /**
+     * The list of all sources which comes as default.
+     * 
+     * @var type 
+     */
+    private static $_defaultSources;
+    
+    /**
+     * @var boolean
+     */
+    private static $_isInitialized;
+    
+    /**
+     * Environment variable source name.
+     */
+    const ENVIRONMENT_SOURCE = 'environment_source';
+    
+    /**
+     * Initializes the default sources.
+     * 
+     * @return none
+     */
+    private static function _init()
+    {
+        if (!self::$_isInitialized) {
+            self::$_defaultSources = array(
+                self::ENVIRONMENT_SOURCE => array(__CLASS__, 'environmentSource')
+            );
+            self::$_isInitialized  = true;
+        }        
+    }
+    
+    /**
+     * Gets a connection string value from the system environment.
+     * 
+     * @param string $key The connection string name.
+     * 
+     * @return string
+     */
+    public static function environmentSource($key)
+    {
+        Validate::isString($key, 'key');
+        
+        return getenv($key);
+    }
+    
+    /**
+     * Gets list of default sources.
+     * 
+     * @return array
+     */
+    public static function getDefaultSources()
+    {
+        self::_init();
+        return self::$_defaultSources;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/FilterableService.php

@@ -0,0 +1,52 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+/**
+ * Interface for service with filers.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+interface FilterableService
+{
+    /**
+    * Adds new filter to proxy object and returns new BlobRestProxy with
+    * that filter.
+    *
+    * @param MicrosoftAzure\Storage\Common\Internal\IServiceFilter $filter Filter to add for 
+    * the pipeline.
+    * 
+    * @return mix.
+    */
+    public function withFilter($filter);
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Filters/AuthenticationFilter.php

@@ -0,0 +1,92 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Filters;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\IServiceFilter;
+use MicrosoftAzure\Storage\Common\Internal\HttpFormatter;
+use GuzzleHttp\Psr7;
+
+/**
+ * Adds authentication header to the http request object.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class AuthenticationFilter implements IServiceFilter
+{
+    /**
+     * @var MicrosoftAzure\Storage\Common\Internal\Authentication\StorageAuthScheme
+     */
+    private $_authenticationScheme;
+
+    /**
+     * Creates AuthenticationFilter with the passed scheme.
+     * 
+     * @param StorageAuthScheme $authenticationScheme The authentication scheme.
+     */
+    public function __construct($authenticationScheme)
+    {
+        $this->_authenticationScheme = $authenticationScheme;
+    }
+    
+    /**
+     * Adds authentication header to the request headers.
+     *
+     * @param \GuzzleHttp\Psr7\Request $request HTTP request object.
+     * 
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function handleRequest($request)
+    {    
+        $requestHeaders = HttpFormatter::formatHeaders($request->getHeaders());
+        
+        $signedKey = $this->_authenticationScheme->getAuthorizationHeader(
+            $requestHeaders, $request->getUri(),
+            \GuzzleHttp\Psr7\parse_query($request->getUri()->getQuery()), $request->getMethod()
+        );
+        return $request->withHeader(Resources::AUTHENTICATION, $signedKey);
+    }
+    
+    /**
+     * Does nothing with the response.
+     *
+     * @param \GuzzleHttp\Psr7\Request  $request  HTTP request object.
+     * @param \GuzzleHttp\Psr7\Response $response HTTP response object.
+     *
+     * @return \GuzzleHttp\Psr7\Response
+     */
+    public function handleResponse($request, $response)
+    {
+        // Do nothing with the response.
+        return $response;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Filters/DateFilter.php

@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Filters;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\IServiceFilter;
+
+/**
+ * Adds date header to the http request.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class DateFilter implements IServiceFilter
+{   
+    /**
+     * Adds date (in GMT format) header to the request headers.
+     *
+     * @param \GuzzleHttp\Psr7\Request $request HTTP request object.
+     * 
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function handleRequest($request)
+    {
+        $date = gmdate(Resources::AZURE_DATE_FORMAT, time());
+        return $request->withHeader(Resources::DATE, $date);
+    }
+    
+    /**
+     * Does nothing with the response.
+     *
+     * @param \GuzzleHttp\Psr7\Request  $request  HTTP request object.
+     * @param \GuzzleHttp\Psr7\Response $response HTTP response object.
+     *
+     * @return \GuzzleHttp\Psr7\Request\Response
+     */
+    public function handleResponse($request, $response)
+    {
+        // Do nothing with the response.
+        return $response;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Filters/ExponentialRetryPolicy.php

@@ -0,0 +1,134 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Filters;
+
+/**
+ * The exponential retry policy.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ExponentialRetryPolicy extends RetryPolicy
+{
+    /**
+     * @var integer
+     */
+    private $_deltaBackoffIntervalInMs;
+    
+    /**
+     * @var integer
+     */
+    private $_maximumAttempts;
+    
+    /**
+     * @var integer
+     */
+    private $_resolvedMaxBackoff;
+    
+    /**
+     * @var integer
+     */
+    private $_resolvedMinBackoff;
+    
+    /**
+     * @var array
+     */
+    private $_retryableStatusCodes;
+    
+    /**
+     * Initializes new object from ExponentialRetryPolicy.
+     * 
+     * @param array   $retryableStatusCodes The retryable status codes.
+     * @param integer $deltaBackoff         The backoff time delta.
+     * @param integer $maximumAttempts      The number of max attempts.
+     */
+    public function __construct($retryableStatusCodes, 
+        $deltaBackoff = parent::DEFAULT_CLIENT_BACKOFF, 
+        $maximumAttempts = parent::DEFAULT_CLIENT_RETRY_COUNT
+    ) {
+        $this->_deltaBackoffIntervalInMs = $deltaBackoff;
+        $this->_maximumAttempts          = $maximumAttempts;
+        $this->_resolvedMaxBackoff       = parent::DEFAULT_MAX_BACKOFF;
+        $this->_resolvedMinBackoff       = parent::DEFAULT_MIN_BACKOFF;
+        $this->_retryableStatusCodes     = $retryableStatusCodes;
+        sort($retryableStatusCodes);
+    }
+    
+    /**
+     * Indicates if there should be a retry or not.
+     * 
+     * @param integer                   $retryCount The retry count.
+     * @param \GuzzleHttp\Psr7\Response $response   The HTTP response object.
+     * 
+     * @return boolean
+     */
+    public function shouldRetry($retryCount, $response)
+    {
+        if (  $retryCount >= $this->_maximumAttempts
+            || array_search($response->getStatusCode(), $this->_retryableStatusCodes)
+            || is_null($response)     
+        ) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+    
+    /**
+     * Calculates the backoff for the retry policy.
+     * 
+     * @param integer                   $retryCount The retry count.
+     * @param \GuzzleHttp\Psr7\Response $response   The HTTP response object.
+     * 
+     * @return integer
+     */
+    public function calculateBackoff($retryCount, $response)
+    {
+        // Calculate backoff Interval between 80% and 120% of the desired
+        // backoff, multiply by 2^n -1 for
+        // exponential
+        $incrementDelta   = (int) (pow(2, $retryCount) - 1);
+        $boundedRandDelta = (int) ($this->_deltaBackoffIntervalInMs * 0.8)
+            + mt_rand(
+                0,
+                (int) ($this->_deltaBackoffIntervalInMs * 1.2)
+                - (int) ($this->_deltaBackoffIntervalInMs * 0.8)
+            );
+        $incrementDelta  *= $boundedRandDelta;
+
+        // Enforce max / min backoffs
+        return min(
+            $this->_resolvedMinBackoff + $incrementDelta,
+            $this->_resolvedMaxBackoff
+        );
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Filters/HeadersFilter.php

@@ -0,0 +1,94 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Filters;
+use MicrosoftAzure\Storage\Common\Internal\IServiceFilter;
+
+/**
+ * Adds all passed headers to the HTTP request headers.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class HeadersFilter implements IServiceFilter
+{
+    /**
+     * @var array
+     */
+    private $_headers;
+    
+    /**
+     * Constructor
+     * 
+     * @param array $headers static headers to be added.
+     * 
+     * @return HeadersFilter
+     */
+    public function __construct($headers)
+    {
+        $this->_headers = $headers;
+    }
+    
+    /**
+     * Adds static header(s) to the HTTP request headers
+     *
+     * @param \GuzzleHttp\Psr7\Request $request HTTP request object.
+     * 
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function handleRequest($request)
+    {
+        $result = $request;
+        
+        foreach ($this->_headers as $key => $value) {
+            $headers = $request->getHeaders();
+            if (!array_key_exists($key, $headers)) {
+                $result = $result->withHeader($key, $value);
+            }
+        }
+        
+        return $result;
+    }
+    
+    /**
+     * Does nothing with the response.
+     *
+     * @param \GuzzleHttp\Psr7\Request  $request  HTTP request object.
+     * @param \GuzzleHttp\Psr7\Response $response HTTP response object.
+     *
+     * @return \GuzzleHttp\Psr7\Response
+     */
+    public function handleResponse($request, $response)
+    {
+        // Do nothing with the response.
+        return $response;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Filters/RetryPolicy.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Filters;
+
+/**
+ * The retry policy abstract class.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+abstract class RetryPolicy
+{
+    const DEFAULT_CLIENT_BACKOFF     = 30000;
+    const DEFAULT_CLIENT_RETRY_COUNT = 3;
+    const DEFAULT_MAX_BACKOFF        = 90000;
+    const DEFAULT_MIN_BACKOFF        = 300;
+    
+    /**
+     * Indicates if there should be a retry or not.
+     * 
+     * @param integer                   $retryCount The retry count.
+     * @param \GuzzleHttp\Psr7\Response $response   The HTTP response object.
+     * 
+     * @return boolean
+     */
+    public abstract function shouldRetry($retryCount, $response);
+    
+    /**
+     * Calculates the backoff for the retry policy.
+     * 
+     * @param integer                   $retryCount The retry count.
+     * @param \GuzzleHttp\Psr7\Response $response   The HTTP response object.
+     * 
+     * @return integer
+     */
+    public abstract function calculateBackoff($retryCount, $response);
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Filters/RetryPolicyFilter.php

@@ -0,0 +1,106 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Filters;
+
+use MicrosoftAzure\Storage\Common\Internal\IServiceFilter;
+use GuzzleHttp\Client;
+
+/**
+ * Short description
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Filters
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class RetryPolicyFilter implements IServiceFilter
+{
+    /**
+     * @var RetryPolicy
+     */
+    private $_retryPolicy;
+    
+    /**
+     * @var \GuzzleHttp\Client
+     */
+    private $_client;
+    
+    /**
+     * Initializes new object from RetryPolicyFilter.
+     *
+     * @param \GuzzleHttp\Client $client      The http client to send request.
+     * @param RetryPolicy        $retryPolicy The retry policy object.
+     */
+    public function __construct($client, $retryPolicy)
+    {
+        $this->_client = $client;
+        $this->_retryPolicy = $retryPolicy;
+    }
+
+    /**
+     * Handles the request before sending.
+     *
+     * @param \GuzzleHttp\Psr7\Request $request The HTTP request.
+     *
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    public function handleRequest($request)
+    {
+        return $request;
+    }
+
+    /**
+     * Handles the response after sending.
+     *
+     * @param \GuzzleHttp\Psr7\Request  $request  The HTTP request.
+     * @param \GuzzleHttp\Psr7\Response $response The HTTP response.
+     *
+     * @return \GuzzleHttp\Psr7\Response
+     */
+    public function handleResponse($request, $response)
+    {
+        for ($retryCount = 0;; $retryCount++) {
+            $shouldRetry = $this->_retryPolicy->shouldRetry(
+                $retryCount,
+                $response
+            );
+            
+            if (!$shouldRetry) {
+                return $response;
+            }
+            
+            // Backoff for some time according to retry policy
+            $backoffTime = $this->_retryPolicy->calculateBackoff(
+                $retryCount,
+                $response
+            );
+            sleep($backoffTime * 0.001);
+            $response = $this->_client->send($request);
+        }
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Http/HttpCallContext.php

@@ -0,0 +1,449 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Http
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Http;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Holds basic elements for making HTTP call.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Http
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class HttpCallContext
+{
+    /**
+     * The HTTP method used to make this call.
+     * 
+     * @var string
+     */
+    private $_method;    
+    
+    /**
+     * HTTP request headers.
+     * 
+     * @var array
+     */
+    private $_headers;
+    
+    /**
+     * The URI query parameters.
+     * 
+     * @var array
+     */
+    private $_queryParams;
+
+    /** 
+     * The HTTP POST parameters.
+     * 
+     * @var array.
+     */
+    private $_postParameters;
+    
+    /**
+     * @var string
+     */
+    private $_uri;
+    
+    /**
+     * The URI path.
+     * 
+     * @var string
+     */
+    private $_path;
+    
+    /**
+     * The expected status codes.
+     * 
+     * @var array
+     */
+    private $_statusCodes;
+    
+    /**
+     * The HTTP request body.
+     * 
+     * @var string
+     */
+    private $_body;
+    
+    /**
+     * Default constructor.
+     */
+    public function __construct()
+    {
+        $this->_method         = null;
+        $this->_body           = null;
+        $this->_path           = null;
+        $this->_uri            = null;
+        $this->_queryParams    = array();
+        $this->_postParameters = array();
+        $this->_statusCodes    = array();
+        $this->_headers        = array();
+    }
+    
+    /**
+     * Gets method.
+     * 
+     * @return string
+     */
+    public function getMethod()
+    {
+        return $this->_method;
+    }
+    
+    /**
+     * Sets method.
+     * 
+     * @param string $method The method value.
+     * 
+     * @return none
+     */
+    public function setMethod($method)
+    {
+        Validate::isString($method, 'method');
+        
+        $this->_method = $method;
+    }
+    
+    /**
+     * Gets headers.
+     * 
+     * @return array
+     */
+    public function getHeaders()
+    {
+        return $this->_headers;
+    }
+    
+    /**
+     * Sets headers.
+     * 
+     * Ignores the header if its value is empty.
+     * 
+     * @param array $headers The headers value.
+     * 
+     * @return none
+     */
+    public function setHeaders($headers)
+    {
+        $this->_headers = array();
+        foreach ($headers as $key => $value) {
+            $this->addHeader($key, $value);
+        }
+    }
+    
+    /**
+     * Gets queryParams.
+     * 
+     * @return array
+     */
+    public function getQueryParameters()
+    {
+        return $this->_queryParams;
+    }
+    
+    /**
+     * Sets queryParams.
+     * 
+     * Ignores the query variable if its value is empty.
+     * 
+     * @param array $queryParams The queryParams value.
+     * 
+     * @return none
+     */
+    public function setQueryParameters($queryParams)
+    {
+        $this->_queryParams = array();
+        foreach ($queryParams as $key => $value) {
+            $this->addQueryParameter($key, $value);
+        }
+    }
+    
+    /**
+     * Gets uri.
+     * 
+     * @return string
+     */
+    public function getUri()
+    {
+        return $this->_uri;
+    }
+    
+    /**
+     * Sets uri.
+     * 
+     * @param string $uri The uri value.
+     * 
+     * @return none
+     */
+    public function setUri($uri)
+    {
+        Validate::isString($uri, 'uri');
+        
+        $this->_uri = $uri;
+    }
+    
+    /**
+     * Gets path.
+     * 
+     * @return string
+     */
+    public function getPath()
+    {
+        return $this->_path;
+    }
+    
+    /**
+     * Sets path.
+     * 
+     * @param string $path The path value.
+     * 
+     * @return none
+     */
+    public function setPath($path)
+    {
+        Validate::isString($path, 'path');
+        
+        $this->_path = $path;
+    }
+    
+    /**
+     * Gets statusCodes.
+     * 
+     * @return array
+     */
+    public function getStatusCodes()
+    {
+        return $this->_statusCodes;
+    }
+    
+    /**
+     * Sets statusCodes.
+     * 
+     * @param array $statusCodes The statusCodes value.
+     * 
+     * @return none
+     */
+    public function setStatusCodes($statusCodes)
+    {
+        $this->_statusCodes = array();
+        foreach ($statusCodes as $value) {
+            $this->addStatusCode($value);
+        }
+    }
+    
+    /**
+     * Gets body.
+     * 
+     * @return string
+     */
+    public function getBody()
+    {
+        return $this->_body;
+    }
+    
+    /**
+     * Sets body.
+     * 
+     * @param string $body The body value.
+     * 
+     * @return none
+     */
+    public function setBody($body)
+    {
+        Validate::isString($body, 'body');
+        
+        $this->_body = $body;
+    }
+    
+    /**
+     * Adds or sets header pair.
+     * 
+     * @param string $name  The HTTP header name.
+     * @param string $value The HTTP header value.
+     * 
+     * @return none
+     */
+    public function addHeader($name, $value)
+    {
+        Validate::isString($name, 'name');
+        Validate::isString($value, 'value');
+        
+        $this->_headers[$name] = $value;
+    }
+    
+    /**
+     * Adds or sets header pair.
+     * 
+     * Ignores header if it's value satisfies empty().
+     * 
+     * @param string $name  The HTTP header name.
+     * @param string $value The HTTP header value.
+     * 
+     * @return none
+     */
+    public function addOptionalHeader($name, $value)
+    {
+        Validate::isString($name, 'name');
+        Validate::isString($value, 'value');
+        
+        if (!empty($value)) {
+            $this->_headers[$name] = $value;
+        }
+    }
+    
+    /**
+     * Removes header from the HTTP request headers.
+     * 
+     * @param string $name The HTTP header name.
+     * 
+     * @return none
+     */
+    public function removeHeader($name)
+    {
+        Validate::isString($name, 'name');
+        Validate::notNullOrEmpty($name, 'name');
+        
+        unset($this->_headers[$name]);
+    }
+    
+    /**
+     * Adds or sets query parameter pair.
+     * 
+     * @param string $name  The URI query parameter name.
+     * @param string $value The URI query parameter value.
+     * 
+     * @return none
+     */
+    public function addQueryParameter($name, $value)
+    {
+        Validate::isString($name, 'name');
+        Validate::isString($value, 'value');
+        
+        $this->_queryParams[$name] = $value;
+    }
+    
+    /** 
+     * Gets HTTP POST parameters. 
+     *
+     * @return array
+     */
+    public function getPostParameters()
+    {   
+        return $this->_postParameters;
+    }
+
+    /** 
+     * Sets HTTP POST parameters.
+     * 
+     * @param array $postParameters The HTTP POST parameters.
+     * 
+     * @return none
+     */
+    public function setPostParameters($postParameters)
+    {
+        Validate::isArray($postParameters, 'postParameters');
+        $this->_postParameters = $postParameters;
+    }
+    
+    /**
+     * Adds or sets query parameter pair.
+     * 
+     * Ignores query parameter if it's value satisfies empty().
+     * 
+     * @param string $name  The URI query parameter name.
+     * @param string $value The URI query parameter value.
+     * 
+     * @return none
+     */
+    public function addOptionalQueryParameter($name, $value)
+    {
+        Validate::isString($name, 'name');
+        Validate::isString($value, 'value');
+        
+        if (!empty($value)) {
+            $this->_queryParams[$name] = $value;
+        }
+    }
+    
+    /**
+     * Adds status code to the expected status codes.
+     * 
+     * @param integer $statusCode The expected status code.
+     * 
+     * @return none
+     */
+    public function addStatusCode($statusCode)
+    {
+        Validate::isInteger($statusCode, 'statusCode');
+        
+        $this->_statusCodes[] = $statusCode;
+    }
+    
+    /**
+     * Gets header value.
+     * 
+     * @param string $name The header name.
+     * 
+     * @return mix
+     */
+    public function getHeader($name)
+    {
+        return Utilities::tryGetValue($this->_headers, $name);
+    }
+    
+    /**
+     * Converts the context object to string.
+     * 
+     * @return string 
+     */
+    public function __toString()
+    {
+        $headers = Resources::EMPTY_STRING;
+        $uri     = $this->_uri;
+        
+        if ($uri[strlen($uri)-1] != '/')
+        {
+            $uri = $uri.'/';
+        }
+        
+        foreach ($this->_headers as $key => $value) {
+            $headers .= "$key: $value\n";
+        }
+        
+        $str  = "$this->_method $uri$this->_path HTTP/1.1\n$headers\n";
+        $str .= "$this->_body";
+        
+        return $str;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/HttpFormatter.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+class HttpFormatter
+{
+    /**
+     * Convert a http headers array into an uniformed format for further process
+     * 
+     * @param array $headers headers for format
+     * 
+     * @return array
+     */
+    public static function formatHeaders($headers)
+    {
+        $result = array();
+        foreach ($headers as $key => $value)
+        {
+            if (is_array($value) && count($value) == 1)
+            {
+                $result[strtolower($key)] = $value[0];
+            }
+            else 
+            {
+                $result[strtolower($key)] = $value;
+            }
+        }
+        
+        return $result;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/IServiceFilter.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+/**
+ * ServceFilter is called when the sending the request and after receiving the 
+ * response.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+interface IServiceFilter
+{
+    /**
+     * Processes HTTP request before send.
+     *
+     * @param mix $request HTTP request object.
+     * 
+     * @return mix processed HTTP request object.
+     */
+    public function handleRequest($request);
+
+    /**
+     * Processes HTTP response after send.
+     *
+     * @param mix $request  HTTP request object.
+     * @param mix $response HTTP response object.
+     * 
+     * @return mix processed HTTP response object.
+     */
+    public function handleResponse($request, $response);
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/InvalidArgumentTypeException.php

@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+
+/**
+ * Exception thrown if an argument type does not match with the expected type. 
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class InvalidArgumentTypeException extends \InvalidArgumentException
+{
+    /**
+     * Constructor.
+     *
+     * @param string $validType The valid type that should be provided by the user.
+     * @param string $name      The parameter name.
+     * 
+     * @return MicrosoftAzure\Storage\Common\Internal\InvalidArgumentTypeException
+     */
+    public function __construct($validType, $name = null)
+    {
+        parent::__construct(
+            sprintf(Resources::INVALID_PARAM_MSG, $name, $validType)
+        );
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Logger.php

@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+/**
+ * Logger class for debugging purpose.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Logger
+{
+    /**
+     * @var string
+     */
+    private static $_filePath;
+
+    /**
+     * Logs $var to file.
+     *
+     * @param mix    $var The data to log.
+     * @param string $tip The help message.
+     * 
+     * @static
+     * 
+     * @return none
+     */
+    public static function log($var, $tip = Resources::EMPTY_STRING)
+    {
+        if (!empty($tip)) {
+            error_log($tip . "\n", 3, self::$_filePath);
+        }
+        
+        if (is_array($var) || is_object($var)) {
+            error_log(print_r($var, true), 3, self::$_filePath);
+        } else {
+            error_log($var . "\n", 3, self::$_filePath);
+        }
+    }
+    
+    /**
+     * Sets file path to use.
+     *
+     * @param string $filePath The log file path.
+     * 
+     * @static
+     * 
+     * @return none
+     */
+    public static function setLogFile($filePath)
+    {
+        self::$_filePath = $filePath;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Resources.php

@@ -0,0 +1,404 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+/**
+ * Project resources.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Resources
+{
+    // @codingStandardsIgnoreStart
+
+    // Connection strings
+    const USE_DEVELOPMENT_STORAGE_NAME = 'UseDevelopmentStorage';
+    const DEVELOPMENT_STORAGE_PROXY_URI_NAME = 'DevelopmentStorageProxyUri';
+    const DEFAULT_ENDPOINTS_PROTOCOL_NAME = 'DefaultEndpointsProtocol';
+    const ACCOUNT_NAME_NAME = 'AccountName';
+    const ACCOUNT_KEY_NAME = 'AccountKey';
+    const BLOB_ENDPOINT_NAME = 'BlobEndpoint';
+    const QUEUE_ENDPOINT_NAME = 'QueueEndpoint';
+    const TABLE_ENDPOINT_NAME = 'TableEndpoint';
+    const SHARED_ACCESS_SIGNATURE_NAME = 'SharedAccessSignature';
+    const DEV_STORE_NAME = 'devstoreaccount1';
+    const DEV_STORE_KEY = 'Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==';
+    const BLOB_BASE_DNS_NAME = 'blob.core.windows.net';
+    const QUEUE_BASE_DNS_NAME = 'queue.core.windows.net';
+    const TABLE_BASE_DNS_NAME = 'table.core.windows.net';
+    const DEV_STORE_CONNECTION_STRING = 'BlobEndpoint=127.0.0.1:10000;QueueEndpoint=127.0.0.1:10001;TableEndpoint=127.0.0.1:10002;AccountName=devstoreaccount1;AccountKey=Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==';
+    const SUBSCRIPTION_ID_NAME = 'SubscriptionID';
+    const CERTIFICATE_PATH_NAME = 'CertificatePath';
+
+    // Messages
+    const INVALID_FUNCTION_NAME = 'The class %s does not have a function named %s.';
+    const INVALID_TYPE_MSG = 'The provided variable should be of type: ';
+    const INVALID_META_MSG = 'Metadata cannot contain newline characters.';
+    const AZURE_ERROR_MSG = "Fail:\nCode: %s\nValue: %s\ndetails (if any): %s.";
+    const NOT_IMPLEMENTED_MSG = 'This method is not implemented.';
+    const NULL_OR_EMPTY_MSG = "'%s' can't be NULL or empty.";
+    const NULL_MSG = "'%s' can't be NULL.";
+    const INVALID_URL_MSG = 'Provided URL is invalid.';
+    const INVALID_HT_MSG = 'The header type provided is invalid.';
+    const INVALID_EDM_MSG = 'The provided EDM type is invalid.';
+    const INVALID_PROP_MSG = 'One of the provided properties is not an instance of class Property';
+    const INVALID_ENTITY_MSG = 'The provided entity object is invalid.';
+    const INVALID_VERSION_MSG = 'Server does not support any known protocol versions.';
+    const INVALID_BO_TYPE_MSG = 'Batch operation name is not supported or invalid.';
+    const INVALID_BO_PN_MSG = 'Batch operation parameter is not supported.';
+    const INVALID_OC_COUNT_MSG = 'Operations and contexts must be of same size.';
+    const INVALID_EXC_OBJ_MSG = 'Exception object type should be ServiceException.';
+    const NULL_TABLE_KEY_MSG = 'Partition and row keys can\'t be NULL.';
+    const BATCH_ENTITY_DEL_MSG = 'The entity was deleted successfully.';
+    const INVALID_PROP_VAL_MSG = "'%s' property value must satisfy %s.";
+    const INVALID_PARAM_MSG = "The provided variable '%s' should be of type '%s'";
+    const INVALID_STRING_LENGTH = "The provided variable '%s' should be of %s characters long";
+    const INVALID_BTE_MSG = "The blob block type must exist in %s";
+    const INVALID_BLOB_PAT_MSG = 'The provided access type is invalid.';
+    const INVALID_SVC_PROP_MSG = 'The provided service properties is invalid.';
+    const UNKNOWN_SRILZER_MSG = 'The provided serializer type is unknown';
+    const INVALID_CREATE_SERVICE_OPTIONS_MSG = 'Must provide valid location or affinity group.';
+    const INVALID_UPDATE_SERVICE_OPTIONS_MSG = 'Must provide either description or label.';
+    const INVALID_CONFIG_MSG = 'Config object must be of type Configuration';
+    const INVALID_ACH_MSG = 'The provided access condition header is invalid';
+    const INVALID_RECEIVE_MODE_MSG = 'The receive message option is in neither RECEIVE_AND_DELETE nor PEEK_LOCK mode.';
+    const INVALID_CONFIG_URI = "The provided URI '%s' is invalid. It has to pass the check 'filter_var(<user_uri>, FILTER_VALIDATE_URL)'.";
+    const INVALID_CONFIG_VALUE = "The provided config value '%s' does not belong to the valid values subset:\n%s";
+    const INVALID_ACCOUNT_KEY_FORMAT = "The provided account key '%s' is not a valid base64 string. It has to pass the check 'base64_decode(<user_account_key>, true)'.";
+    const MISSING_CONNECTION_STRING_SETTINGS = "The provided connection string '%s' does not have complete configuration settings.";
+    const INVALID_CONNECTION_STRING_SETTING_KEY = "The setting key '%s' is not found in the expected configuration setting keys:\n%s";
+    const INVALID_CERTIFICATE_PATH = "The provided certificate path '%s' is invalid.";
+    const INSTANCE_TYPE_VALIDATION_MSG = 'The type of %s is %s but is expected to be %s.';
+    const MISSING_CONNECTION_STRING_CHAR = "Missing %s character";
+    const ERROR_PARSING_STRING = "'%s' at position %d.";
+    const INVALID_CONNECTION_STRING = "Argument '%s' is not a valid connection string: '%s'";
+    const ERROR_CONNECTION_STRING_MISSING_KEY = 'Missing key name';
+    const ERROR_CONNECTION_STRING_EMPTY_KEY = 'Empty key name';
+    const ERROR_CONNECTION_STRING_MISSING_CHARACTER = "Missing %s character";
+    const ERROR_EMPTY_SETTINGS = 'No keys were found in the connection string';
+    const MISSING_LOCK_LOCATION_MSG = 'The lock location of the brokered message is missing.';
+    const INVALID_SLOT = "The provided deployment slot '%s' is not valid. Only 'staging' and 'production' are accepted.";
+    const INVALID_DEPLOYMENT_LOCATOR_MSG = 'A slot or deployment name must be provided.';
+    const INVALID_CHANGE_MODE_MSG = "The change mode must be 'Auto' or 'Manual'. Use Mode class constants for that purpose.";
+    const INVALID_DEPLOYMENT_STATUS_MSG = "The change mode must be 'Running' or 'Suspended'. Use DeploymentStatus class constants for that purpose.";
+    const ERROR_OAUTH_GET_ACCESS_TOKEN = 'Unable to get oauth access token for endpoint \'%s\', account name \'%s\'';
+    const ERROR_OAUTH_SERVICE_MISSING = 'OAuth service missing for account name \'%s\'';
+    const ERROR_METHOD_NOT_FOUND = 'Method \'%s\' not found in object class \'%s\'';
+    const ERROR_INVALID_DATE_STRING = 'Parameter \'%s\' is not a date formatted string \'%s\'';
+    const ERROR_TOO_LARGE_FOR_BLOCK_BLOB = 'Error: Exceeds the uppper limit of the blob.';
+    const ERROR_RANGE_NOT_ALIGN_TO_512 = 'Error: Range of the page blob must be align to 512';
+    const ERROR_FILE_COULD_NOT_BE_OPENED = 'Error: file with given path could not be opened or created.';
+    const ERROR_CONTAINER_NOT_EXIST = 'The specified container does not exist';
+    const ERROR_BLOB_NOT_EXIST = 'The specified blob does not exist';
+    const INVALID_PARAM_GENERAL = 'The provided parameter \'%s\' is invalid';
+    const INVALID_NEGATIVE_PARAM = 'The provided parameter \'%s\' should be positive number.';
+
+    // HTTP Headers
+    const X_MS_HEADER_PREFIX                 = 'x-ms-';
+    const X_MS_META_HEADER_PREFIX            = 'x-ms-meta-';
+    const X_MS_APPROXIMATE_MESSAGES_COUNT    = 'x-ms-approximate-messages-count';
+    const X_MS_POPRECEIPT                    = 'x-ms-popreceipt';
+    const X_MS_TIME_NEXT_VISIBLE             = 'x-ms-time-next-visible';
+    const X_MS_BLOB_PUBLIC_ACCESS            = 'x-ms-blob-public-access';
+    const X_MS_VERSION                       = 'x-ms-version';
+    const X_MS_DATE                          = 'x-ms-date';
+    const X_MS_BLOB_SEQUENCE_NUMBER          = 'x-ms-blob-sequence-number';
+    const X_MS_BLOB_SEQUENCE_NUMBER_ACTION   = 'x-ms-sequence-number-action';
+    const X_MS_BLOB_TYPE                     = 'x-ms-blob-type';
+    const X_MS_BLOB_CONTENT_TYPE             = 'x-ms-blob-content-type';
+    const X_MS_BLOB_CONTENT_ENCODING         = 'x-ms-blob-content-encoding';
+    const X_MS_BLOB_CONTENT_LANGUAGE         = 'x-ms-blob-content-language';
+    const X_MS_BLOB_CONTENT_MD5              = 'x-ms-blob-content-md5';
+    const X_MS_BLOB_CACHE_CONTROL            = 'x-ms-blob-cache-control';
+    const X_MS_BLOB_CONTENT_LENGTH           = 'x-ms-blob-content-length';
+    const X_MS_COPY_SOURCE                   = 'x-ms-copy-source';
+    const X_MS_RANGE                         = 'x-ms-range';
+    const X_MS_RANGE_GET_CONTENT_MD5         = 'x-ms-range-get-content-md5';
+    const X_MS_LEASE_DURATION                = 'x-ms-lease-duration';
+    const X_MS_LEASE_ID                      = 'x-ms-lease-id';
+    const X_MS_LEASE_TIME                    = 'x-ms-lease-time';
+    const X_MS_LEASE_STATUS                  = 'x-ms-lease-status';
+    const X_MS_LEASE_ACTION                  = 'x-ms-lease-action';
+    const X_MS_DELETE_SNAPSHOTS              = 'x-ms-delete-snapshots';
+    const X_MS_PAGE_WRITE                    = 'x-ms-page-write';
+    const X_MS_SNAPSHOT                      = 'x-ms-snapshot';
+    const X_MS_SOURCE_IF_MODIFIED_SINCE      = 'x-ms-source-if-modified-since';
+    const X_MS_SOURCE_IF_UNMODIFIED_SINCE    = 'x-ms-source-if-unmodified-since';
+    const X_MS_SOURCE_IF_MATCH               = 'x-ms-source-if-match';
+    const X_MS_SOURCE_IF_NONE_MATCH          = 'x-ms-source-if-none-match';
+    const X_MS_SOURCE_LEASE_ID               = 'x-ms-source-lease-id';
+    const X_MS_CONTINUATION_NEXTTABLENAME    = 'x-ms-continuation-nexttablename';
+    const X_MS_CONTINUATION_NEXTPARTITIONKEY = 'x-ms-continuation-nextpartitionkey';
+    const X_MS_CONTINUATION_NEXTROWKEY       = 'x-ms-continuation-nextrowkey';
+    const X_MS_REQUEST_ID                    = 'x-ms-request-id';
+    const ETAG                               = 'etag';
+    const LAST_MODIFIED                      = 'last-modified';
+    const DATE                               = 'date';
+    const AUTHENTICATION                     = 'authorization';
+    const WRAP_AUTHORIZATION                 = 'WRAP access_token="%s"';
+    const CONTENT_ENCODING                   = 'content-encoding';
+    const CONTENT_LANGUAGE                   = 'content-language';
+    const CONTENT_LENGTH                     = 'content-length';
+    const CONTENT_LENGTH_NO_SPACE            = 'contentlength';
+    const CONTENT_MD5                        = 'content-md5';
+    const CONTENT_TYPE                       = 'content-type';
+    const CONTENT_ID                         = 'content-id';
+    const CONTENT_RANGE                      = 'content-range';
+    const CACHE_CONTROL                      = 'cache-control';
+    const IF_MODIFIED_SINCE                  = 'if-modified-since';
+    const IF_MATCH                           = 'if-match';
+    const IF_NONE_MATCH                      = 'if-none-match';
+    const IF_UNMODIFIED_SINCE                = 'if-unmodified-since';
+    const RANGE                              = 'range';
+    const DATA_SERVICE_VERSION               = 'dataserviceversion';
+    const MAX_DATA_SERVICE_VERSION           = 'maxdataserviceversion';
+    const ACCEPT_HEADER                      = 'accept';
+    const ACCEPT_CHARSET                     = 'accept-charset';
+    const USER_AGENT                         = 'User-Agent';
+
+    // Type
+    const QUEUE_TYPE_NAME              = 'IQueue';
+    const BLOB_TYPE_NAME               = 'IBlob';
+    const TABLE_TYPE_NAME              = 'ITable';
+
+    // WRAP
+    const WRAP_ACCESS_TOKEN            = 'wrap_access_token';
+    const WRAP_ACCESS_TOKEN_EXPIRES_IN = 'wrap_access_token_expires_in';
+    const WRAP_NAME                    = 'wrap_name';
+    const WRAP_PASSWORD                = 'wrap_password';
+    const WRAP_SCOPE                   = 'wrap_scope';
+
+    // HTTP Methods
+    const HTTP_GET    = 'GET';
+    const HTTP_PUT    = 'PUT';
+    const HTTP_POST   = 'POST';
+    const HTTP_HEAD   = 'HEAD';
+    const HTTP_DELETE = 'DELETE';
+    const HTTP_MERGE  = 'MERGE';
+
+    // Misc
+    const EMPTY_STRING           = '';
+    const SEPARATOR              = ',';
+    const AZURE_DATE_FORMAT      = 'D, d M Y H:i:s T';
+    const TIMESTAMP_FORMAT       = 'Y-m-d H:i:s';
+    const EMULATED               = 'EMULATED';
+    const EMULATOR_BLOB_URI      = '127.0.0.1:10000';
+    const EMULATOR_QUEUE_URI     = '127.0.0.1:10001';
+    const EMULATOR_TABLE_URI     = '127.0.0.1:10002';
+    const ASTERISK               = '*';
+    const SERVICE_MANAGEMENT_URL = 'https://management.core.windows.net';
+    const HTTP_SCHEME            = 'http';
+    const HTTPS_SCHEME           = 'https';
+    const SETTING_NAME = 'SettingName';
+    const SETTING_CONSTRAINT = 'SettingConstraint';
+    const DEV_STORE_URI = 'http://127.0.0.1';
+    const SERVICE_URI_FORMAT = "%s://%s.%s";
+    const WRAP_ENDPOINT_URI_FORMAT = "https://%s-sb.accesscontrol.windows.net/WRAPv0.9";
+    const MB_IN_BYTES_4       = 4194304;
+    const MB_IN_BYTES_32      = 33554432;
+    const MB_IN_BYTES_64      = 67108864;
+    const MAX_BLOB_BLOCKS     = 50000;
+
+    // Xml Namespaces
+    const WA_XML_NAMESPACE   = 'http://schemas.microsoft.com/windowsazure';
+    const ATOM_XML_NAMESPACE = 'http://www.w3.org/2005/Atom';
+    const DS_XML_NAMESPACE   = 'http://schemas.microsoft.com/ado/2007/08/dataservices';
+    const DSM_XML_NAMESPACE  = 'http://schemas.microsoft.com/ado/2007/08/dataservices/metadata';
+    const XSI_XML_NAMESPACE  = 'http://www.w3.org/2001/XMLSchema-instance';
+    const NUMBER_OF_CONCURRENCY = 25;//Guzzle's default value
+    const DEFAULT_NUMBER_OF_RETRIES = 3;
+    const DEAFULT_RETRY_INTERVAL = 1000;//Milliseconds
+
+    // Header values
+    const SDK_VERSION                                   = '0.11.0';
+    const STORAGE_API_LATEST_VERSION                    = '2015-04-05';
+    const DATA_SERVICE_VERSION_VALUE                    = '1.0;NetFx';
+    const MAX_DATA_SERVICE_VERSION_VALUE                = '2.0;NetFx';
+    const ACCEPT_HEADER_VALUE                           = 'application/atom+xml,application/xml';
+    const ATOM_ENTRY_CONTENT_TYPE                       = 'application/atom+xml;type=entry;charset=utf-8';
+    const ATOM_FEED_CONTENT_TYPE                        = 'application/atom+xml;type=feed;charset=utf-8';
+    const ACCEPT_CHARSET_VALUE                          = 'utf-8';
+    const INT32_MAX                                     = 2147483647;
+
+    // Query parameter names
+    const QP_PREFIX             = 'Prefix';
+    const QP_MAX_RESULTS        = 'MaxResults';
+    const QP_METADATA           = 'Metadata';
+    const QP_MARKER             = 'Marker';
+    const QP_NEXT_MARKER        = 'NextMarker';
+    const QP_COMP               = 'comp';
+    const QP_VISIBILITY_TIMEOUT = 'visibilitytimeout';
+    const QP_POPRECEIPT         = 'popreceipt';
+    const QP_NUM_OF_MESSAGES    = 'numofmessages';
+    const QP_PEEK_ONLY          = 'peekonly';
+    const QP_MESSAGE_TTL        = 'messagettl';
+    const QP_INCLUDE            = 'include';
+    const QP_TIMEOUT            = 'timeout';
+    const QP_DELIMITER          = 'Delimiter';
+    const QP_REST_TYPE          = 'restype';
+    const QP_SNAPSHOT           = 'snapshot';
+    const QP_BLOCKID            = 'blockid';
+    const QP_BLOCK_LIST_TYPE    = 'blocklisttype';
+    const QP_SELECT             = '$select';
+    const QP_TOP                = '$top';
+    const QP_SKIP               = '$skip';
+    const QP_FILTER             = '$filter';
+    const QP_NEXT_TABLE_NAME    = 'NextTableName';
+    const QP_NEXT_PK            = 'NextPartitionKey';
+    const QP_NEXT_RK            = 'NextRowKey';
+    const QP_ACTION             = 'action';
+    const QP_EMBED_DETAIL       = 'embed-detail';
+
+    // Query parameter values
+    const QPV_REGENERATE = 'regenerate';
+    const QPV_CONFIG     = 'config';
+    const QPV_STATUS     = 'status';
+    const QPV_UPGRADE    = 'upgrade';
+    const QPV_WALK_UPGRADE_DOMAIN = 'walkupgradedomain';
+    const QPV_REBOOT = 'reboot';
+    const QPV_REIMAGE = 'reimage';
+    const QPV_ROLLBACK = 'rollback';
+
+    // Request body content types
+    const URL_ENCODED_CONTENT_TYPE = 'application/x-www-form-urlencoded';
+    const XML_CONTENT_TYPE         = 'application/xml';
+    const JSON_CONTENT_TYPE        = 'application/json';
+    const BINARY_FILE_TYPE         = 'application/octet-stream';
+    const XML_ATOM_CONTENT_TYPE    = 'application/atom+xml';
+    const HTTP_TYPE                = 'application/http';
+    const MULTIPART_MIXED_TYPE     = 'multipart/mixed';
+
+    // Common used XML tags
+    const XTAG_ATTRIBUTES                 = '@attributes';
+    const XTAG_NAMESPACE                  = '@namespace';
+    const XTAG_LABEL                      = 'Label';
+    const XTAG_NAME                       = 'Name';
+    const XTAG_DESCRIPTION                = 'Description';
+    const XTAG_LOCATION                   = 'Location';
+    const XTAG_AFFINITY_GROUP             = 'AffinityGroup';
+    const XTAG_HOSTED_SERVICES            = 'HostedServices';
+    const XTAG_STORAGE_SERVICES           = 'StorageServices';
+    const XTAG_STORAGE_SERVICE            = 'StorageService';
+    const XTAG_DISPLAY_NAME               = 'DisplayName';
+    const XTAG_SERVICE_NAME               = 'ServiceName';
+    const XTAG_URL                        = 'Url';
+    const XTAG_ID                         = 'ID';
+    const XTAG_STATUS                     = 'Status';
+    const XTAG_HTTP_STATUS_CODE           = 'HttpStatusCode';
+    const XTAG_CODE                       = 'Code';
+    const XTAG_MESSAGE                    = 'Message';
+    const XTAG_STORAGE_SERVICE_PROPERTIES = 'StorageServiceProperties';
+    const XTAG_SERVICE_ENDPOINT           = 'ServiceEndpoint';
+    const XTAG_ENDPOINT                   = 'Endpoint';
+    const XTAG_ENDPOINTS                  = 'Endpoints';
+    const XTAG_PRIMARY                    = 'Primary';
+    const XTAG_SECONDARY                  = 'Secondary';
+    const XTAG_KEY_TYPE                   = 'KeyType';
+    const XTAG_STORAGE_SERVICE_KEYS       = 'StorageServiceKeys';
+    const XTAG_ERROR                      = 'Error';
+    const XTAG_HOSTED_SERVICE             = 'HostedService';
+    const XTAG_HOSTED_SERVICE_PROPERTIES  = 'HostedServiceProperties';
+    const XTAG_CREATE_HOSTED_SERVICE      = 'CreateHostedService';
+    const XTAG_CREATE_STORAGE_SERVICE_INPUT = 'CreateStorageServiceInput';
+    const XTAG_UPDATE_STORAGE_SERVICE_INPUT = 'UpdateStorageServiceInput';
+    const XTAG_CREATE_AFFINITY_GROUP = 'CreateAffinityGroup';
+    const XTAG_UPDATE_AFFINITY_GROUP = 'UpdateAffinityGroup';
+    const XTAG_UPDATE_HOSTED_SERVICE = 'UpdateHostedService';
+    const XTAG_PACKAGE_URL = 'PackageUrl';
+    const XTAG_CONFIGURATION = 'Configuration';
+    const XTAG_START_DEPLOYMENT = 'StartDeployment';
+    const XTAG_TREAT_WARNINGS_AS_ERROR = 'TreatWarningsAsError';
+    const XTAG_CREATE_DEPLOYMENT = 'CreateDeployment';
+    const XTAG_DEPLOYMENT_SLOT = 'DeploymentSlot';
+    const XTAG_PRIVATE_ID = 'PrivateID';
+    const XTAG_ROLE_INSTANCE_LIST = 'RoleInstanceList';
+    const XTAG_UPGRADE_DOMAIN_COUNT = 'UpgradeDomainCount';
+    const XTAG_ROLE_LIST = 'RoleList';
+    const XTAG_SDK_VERSION = 'SdkVersion';
+    const XTAG_INPUT_ENDPOINT_LIST = 'InputEndpointList';
+    const XTAG_LOCKED = 'Locked';
+    const XTAG_ROLLBACK_ALLOWED = 'RollbackAllowed';
+    const XTAG_UPGRADE_STATUS = 'UpgradeStatus';
+    const XTAG_UPGRADE_TYPE = 'UpgradeType';
+    const XTAG_CURRENT_UPGRADE_DOMAIN_STATE = 'CurrentUpgradeDomainState';
+    const XTAG_CURRENT_UPGRADE_DOMAIN = 'CurrentUpgradeDomain';
+    const XTAG_ROLE_NAME = 'RoleName';
+    const XTAG_INSTANCE_NAME = 'InstanceName';
+    const XTAG_INSTANCE_STATUS = 'InstanceStatus';
+    const XTAG_INSTANCE_UPGRADE_DOMAIN = 'InstanceUpgradeDomain';
+    const XTAG_INSTANCE_FAULT_DOMAIN = 'InstanceFaultDomain';
+    const XTAG_INSTANCE_SIZE = 'InstanceSize';
+    const XTAG_INSTANCE_STATE_DETAILS = 'InstanceStateDetails';
+    const XTAG_INSTANCE_ERROR_CODE = 'InstanceErrorCode';
+    const XTAG_OS_VERSION = 'OsVersion';
+    const XTAG_ROLE_INSTANCE = 'RoleInstance';
+    const XTAG_ROLE = 'Role';
+    const XTAG_INPUT_ENDPOINT = 'InputEndpoint';
+    const XTAG_VIP = 'Vip';
+    const XTAG_PORT = 'Port';
+    const XTAG_DEPLOYMENT = 'Deployment';
+    const XTAG_DEPLOYMENTS = 'Deployments';
+    const XTAG_REGENERATE_KEYS = 'RegenerateKeys';
+    const XTAG_SWAP = 'Swap';
+    const XTAG_PRODUCTION = 'Production';
+    const XTAG_SOURCE_DEPLOYMENT = 'SourceDeployment';
+    const XTAG_CHANGE_CONFIGURATION = 'ChangeConfiguration';
+    const XTAG_MODE = 'Mode';
+    const XTAG_UPDATE_DEPLOYMENT_STATUS = 'UpdateDeploymentStatus';
+    const XTAG_ROLE_TO_UPGRADE = 'RoleToUpgrade';
+    const XTAG_FORCE = 'Force';
+    const XTAG_UPGRADE_DEPLOYMENT = 'UpgradeDeployment';
+    const XTAG_UPGRADE_DOMAIN = 'UpgradeDomain';
+    const XTAG_WALK_UPGRADE_DOMAIN = 'WalkUpgradeDomain';
+    const XTAG_ROLLBACK_UPDATE_OR_UPGRADE = 'RollbackUpdateOrUpgrade';
+    const XTAG_CONTAINER_NAME = 'ContainerName';
+    const XTAG_ACCOUNT_NAME = 'AccountName';
+
+    // PHP URL Keys
+    const PHP_URL_SCHEME   = 'scheme';
+    const PHP_URL_HOST     = 'host';
+    const PHP_URL_PORT     = 'port';
+    const PHP_URL_USER     = 'user';
+    const PHP_URL_PASS     = 'pass';
+    const PHP_URL_PATH     = 'path';
+    const PHP_URL_QUERY    = 'query';
+    const PHP_URL_FRAGMENT = 'fragment';
+
+    // Status Codes
+    const STATUS_OK                = 200;
+    const STATUS_CREATED           = 201;
+    const STATUS_ACCEPTED          = 202;
+    const STATUS_NO_CONTENT        = 204;
+    const STATUS_PARTIAL_CONTENT   = 206;
+    const STATUS_MOVED_PERMANENTLY = 301;
+
+    // @codingStandardsIgnoreEnd
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/RestProxy.php

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+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Base class for all REST proxies.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class RestProxy
+{
+    /**
+     * @var array
+     */
+    private $_filters;
+    
+    /**
+     * @var MicrosoftAzure\Storage\Common\Internal\Serialization\ISerializer
+     */
+    protected $dataSerializer;
+    
+    /**
+     * @var string
+     */
+    private $_uri;
+    
+    /**
+     * Initializes new RestProxy object.
+     *
+     * @param ISerializer $dataSerializer The data serializer.
+     * @param string      $uri            The uri of the service.
+     */
+    public function __construct($dataSerializer, $uri)
+    {
+        $this->_filters       = array();
+        $this->dataSerializer = $dataSerializer;
+        $this->_uri           = $uri;
+    }
+    
+    /**
+     * Gets HTTP filters that will process each request.
+     *
+     * @return array
+     */
+    public function getFilters()
+    {
+        return $this->_filters;
+    }
+
+    /**
+     * Gets the Uri of the service.
+     *
+     * @return string
+     */
+    public function getUri()
+    {
+        return $this->_uri;
+    }
+
+    /**
+     * Sets the Uri of the service.
+     *
+     * @param string $uri The URI of the request.
+     *
+     * @return none
+     */
+    public function setUri($uri)
+    {
+        $this->_uri = $uri;
+    }
+
+    /**
+     * Adds new filter to new service rest proxy object and returns that object back.
+     *
+     * @param MicrosoftAzure\Storage\Common\Internal\IServiceFilter $filter Filter to add for
+     * the pipeline.
+     *
+     * @return RestProxy.
+     */
+    public function withFilter($filter)
+    {
+        $serviceProxyWithFilter             = clone $this;
+        $serviceProxyWithFilter->_filters[] = $filter;
+
+        return $serviceProxyWithFilter;
+    }
+    
+    /**
+     * Adds optional query parameter.
+     *
+     * Doesn't add the value if it satisfies empty().
+     *
+     * @param array  &$queryParameters The query parameters.
+     * @param string $key              The query variable name.
+     * @param string $value            The query variable value.
+     *
+     * @return none
+     */
+    protected function addOptionalQueryParam(&$queryParameters, $key, $value)
+    {
+        Validate::isArray($queryParameters, 'queryParameters');
+        Validate::isString($key, 'key');
+        Validate::isString($value, 'value');
+                
+        if (!is_null($value) && Resources::EMPTY_STRING !== $value) {
+            $queryParameters[$key] = $value;
+        }
+    }
+    
+    /**
+     * Adds optional header.
+     *
+     * Doesn't add the value if it satisfies empty().
+     *
+     * @param array  &$headers The HTTP header parameters.
+     * @param string $key      The HTTP header name.
+     * @param string $value    The HTTP header value.
+     *
+     * @return none
+     */
+    protected function addOptionalHeader(&$headers, $key, $value)
+    {
+        Validate::isArray($headers, 'headers');
+        Validate::isString($key, 'key');
+        Validate::isString($value, 'value');
+                
+        if (!is_null($value) && Resources::EMPTY_STRING !== $value) {
+            $headers[$key] = $value;
+        }
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/RetryMiddlewareFactory.php

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+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use GuzzleHttp\Middleware;
+
+/**
+ * This class provides static functions that creates retry handlers for Guzzle
+ * HTTP clients to handle retry policy.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class RetryMiddlewareFactory
+{
+    const LINEAR_INTERVAL_ACCUMULATION      = 'Linear';
+    const EXPONENTIAL_INTERVAL_ACCUMULATION = 'Exponential';
+    const GENERAL_RETRY_TYPE                = 'General';
+    const APPEND_BLOB_RETRY_TYPE            = 'Append Blob Retry';
+
+    /**
+     * Create the retry handler for the Guzzle client, according to the given
+     * attributes.
+     *
+     * @param  string $type               The type that controls the logic of
+     *                                    the decider of the retry handler.
+     * @param  int    $numberOfRetries    The maximum number of retries.
+     * @param  int    $interval           The minimum interval between each retry
+     * @param  string $accumulationMethod If the interval increases linearly or
+     *                                    exponentially.
+     *
+     * @return RetryMiddleware            A RetryMiddleware object that contains
+     *                                    the logic of how the request should be
+     *                                    handled after a response.
+     */
+    public static function create(
+        $type = self::GENERAL_RETRY_TYPE,
+        $numberOfRetries = Resources::DEFAULT_NUMBER_OF_RETRIES,
+        $interval = Resources::DEAFULT_RETRY_INTERVAL,
+        $accumulationMethod = self::LINEAR_INTERVAL_ACCUMULATION
+    ) {
+        //Validate the input parameters
+        //type
+        Validate::isTrue(
+            $type == self::GENERAL_RETRY_TYPE ||
+            $type == self::APPEND_BLOB_RETRY_TYPE,
+            sprintf(
+                Resources::INVALID_PARAM_GENERAL,
+                'type'
+            )
+        );
+        //numberOfRetries
+        Validate::isTrue(
+            $numberOfRetries > 0,
+            sprintf(
+                Resources::INVALID_NEGATIVE_PARAM,
+                'numberOfRetries'
+            )
+        );
+        //interval
+        Validate::isTrue(
+            $interval > 0,
+            sprintf(
+                Resources::INVALID_NEGATIVE_PARAM,
+                'interval'
+            )
+        );
+        //accumulationMethod
+        Validate::isTrue(
+            $accumulationMethod == self::LINEAR_INTERVAL_ACCUMULATION ||
+            $accumulationMethod == self::EXPONENTIAL_INTERVAL_ACCUMULATION,
+            sprintf(
+                Resources::INVALID_PARAM_GENERAL,
+                'accumulationMethod'
+            )
+        );
+
+        //Get the interval calculator according to the type of the
+        //accumulation method.
+        $intervalCalculator =
+            $accumulationMethod == self::LINEAR_INTERVAL_ACCUMULATION ?
+            self::createLinearDelayCalculator($interval) :
+            self::createExponentialDelayCalculator($interval);
+
+        //Get the retry decider according to the type of the retry and
+        //the number of retries.
+        $retryDecider = self::createRetryDecider($type, $numberOfRetries);
+
+        //construct the retry middle ware.
+        return Middleware::retry($retryDecider, $intervalCalculator);
+    }
+
+    /**
+     * Create the retry decider for the retry handler. It will return a callable
+     * that accepts the number of retries, the request, the response and the
+     * exception, and return the decision for a retry.
+     *
+     * @param  string $type The type of the retry handler.
+     *
+     * @return callable     The callable that will return if the request should
+     *                      be retried.
+     */
+    protected static function createRetryDecider($type, $maxRetries)
+    {
+        return function (
+            $retries,
+            $request,
+            $response = null,
+            $exception = null
+        ) use (
+            $type,
+            $maxRetries
+        ) {
+            //Exceeds the retry limit. No retry.
+            if ($retries >= $maxRetries) {
+                return false;
+            }
+
+            //Not retriable error, won't retry.
+            if (!$response) {
+                return false;
+            } else {
+                if ($type == self::GENERAL_RETRY_TYPE) {
+                    return self::generalRetryDecider($response->getStatusCode());
+                } else {
+                    return self::appendBlobRetryDecider($response->getStatusCode());
+                }
+            }
+            
+            return true;
+        };
+    }
+
+    /**
+     * Decide if the given status code indicate the request should be retried.
+     *
+     * @param  int $statusCode status code of the previous request.
+     *
+     * @return bool            true if the request should be retried.
+     */
+    protected static function generalRetryDecider($statusCode)
+    {
+        $retry = false;
+        if ($statusCode == 408) {
+            $retry = true;
+        } elseif ($statusCode >= 500) {
+            if ($statusCode != 501 && $statusCode != 505) {
+                $retry = true;
+            }
+        }
+        return $retry;
+    }
+
+    /**
+     * Decide if the given status code indicate the request should be retried.
+     * This is for append blob.
+     *
+     * @param  int $statusCode status code of the previous request.
+     *
+     * @return bool            true if the request should be retried.
+     */
+    protected static function appendBlobRetryDecider($statusCode)
+    {
+        //The retry logic is different for append blob.
+        //First it will need to record the former status code if it is
+        //server error. Then if the following request is 412 then it
+        //needs to be retried. Currently this is not implemented so will
+        //only adapt to the general retry decider.
+        //TODO: add logic for append blob's retry when implemented.
+        $retry = self::generalRetryDecider($statusCode);
+        return $retry;
+    }
+
+    /**
+     * Create the delay calculator that increases the interval linearly
+     * according to the number of retries.
+     *
+     * @param  int $interval the minimum interval of the retry.
+     *
+     * @return callable      a calculator that will return the interval
+     *                       according to the number of retries.
+     */
+    protected static function createLinearDelayCalculator($interval)
+    {
+        return function ($retries) use ($interval) {
+            return $retries * $interval;
+        };
+    }
+
+    /**
+     * Create the delay calculator that increases the interval exponentially
+     * according to the number of retries.
+     *
+     * @param  int $interval the minimum interval of the retry.
+     *
+     * @return callable      a calculator that will return the interval
+     *                       according to the number of retries.
+     */
+    protected static function createExponentialDelayCalculator($interval)
+    {
+        return function ($retries) use ($interval) {
+            return $interval * ((int)\pow(2, $retries));
+        };
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Serialization/ISerializer.php

@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Serialization
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Serialization;
+
+/**
+ * The serialization interface.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Serialization
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+interface ISerializer
+{
+
+    /** 
+     * Serialize an object into a XML.
+     * 
+     * @param Object $targetObject The target object to be serialized. 
+     * @param string $rootName     The name of the root.
+     *
+     * @return string
+     */
+    public static function objectSerialize($targetObject, $rootName);
+
+    /**
+     * Serializes given array. The array indices must be string to use them as
+     * as element name.
+     * 
+     * @param array $array      The object to serialize represented in array.
+     * @param array $properties The used properties in the serialization process.
+     * 
+     * @return string
+     */
+    public function serialize($array, $properties = null);
+
+    
+    /**
+     * Unserializes given serialized string.
+     * 
+     * @param string $serialized The serialized object in string representation.
+     * 
+     * @return array
+     */
+    public function unserialize($serialized);
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Serialization/JsonSerializer.php

@@ -0,0 +1,96 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Serialization
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal\Serialization;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+/**
+ * Perform JSON serialization / deserialization
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Serialization
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class JsonSerializer implements ISerializer
+{
+    /**
+     * Serialize an object with specified root element name.
+     *
+     * @param object $targetObject The target object.
+     * @param string $rootName     The name of the root element.
+     *
+     * @return string
+     */
+    public static function objectSerialize($targetObject, $rootName)
+    {
+        Validate::notNull($targetObject, 'targetObject');
+        Validate::isString($rootName, 'rootName');
+
+        $contianer = new \stdClass();
+
+        $contianer->$rootName = $targetObject;
+
+        return json_encode($contianer);
+    }
+
+    /**
+     * Serializes given array. The array indices must be string to use them as
+     * as element name.
+     *
+     * @param array $array      The object to serialize represented in array.
+     * @param array $properties The used properties in the serialization process.
+     *
+     * @return string
+     */
+    public function serialize($array, $properties = null)
+    {
+        Validate::isArray($array, 'array');
+
+        return json_encode($array);
+    }
+
+    /**
+     * Unserializes given serialized string to array.
+     *
+     * @param string $serialized The serialized object in string representation.
+     *
+     * @return array
+     */
+    public function unserialize($serialized)
+    {
+        Validate::isString($serialized, 'serialized');
+
+        $json = json_decode($serialized);
+        if ($json && !is_array($json)) {
+            return get_object_vars($json);
+        } else {
+            return $json;
+        }
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Serialization/XmlSerializer.php

@@ -0,0 +1,245 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Serialization
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal\Serialization;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+
+/**
+ * Short description
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal\Serialization
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class XmlSerializer implements ISerializer
+{
+    const STANDALONE  = 'standalone';
+    const ROOT_NAME   = 'rootName';
+    const DEFAULT_TAG = 'defaultTag';
+    
+    /**
+     * Converts a SimpleXML object to an Array recursively
+     * ensuring all sub-elements are arrays as well.
+     *
+     * @param string $sxml The SimpleXML object.
+     * @param array  $arr  The array into which to store results.
+     * 
+     * @return array
+     */
+    private function _sxml2arr($sxml, $arr = null)
+    {
+        foreach ((array) $sxml as $key => $value) {
+            if (is_object($value) || (is_array($value))) {
+                $arr[$key] = $this->_sxml2arr($value);
+            } else {
+                $arr[$key] = $value;
+            }
+        }
+
+        return $arr; 
+    }
+    
+    /**
+     * Takes an array and produces XML based on it.
+     *
+     * @param XMLWriter $xmlw       XMLWriter object that was previously instanted
+     * and is used for creating the XML.
+     * @param array     $data       Array to be converted to XML.
+     * @param string    $defaultTag Default XML tag to be used if none specified.
+     * 
+     * @return void
+     */
+    private function _arr2xml(\XMLWriter $xmlw, $data, $defaultTag = null)
+    {
+        foreach ($data as $key => $value) {
+            if ($key === Resources::XTAG_ATTRIBUTES) {
+                foreach ($value as $attributeName => $attributeValue) {
+                    $xmlw->writeAttribute($attributeName, $attributeValue);
+                }
+            } else if (is_array($value)) {
+                if (!is_int($key)) {
+                    if ($key != Resources::EMPTY_STRING) {
+                        $xmlw->startElement($key);
+                    } else {
+                        $xmlw->startElement($defaultTag);
+                    }
+                }
+                
+                $this->_arr2xml($xmlw, $value);
+                
+                if (!is_int($key)) {
+                    $xmlw->endElement();
+                }
+            } else {
+                $xmlw->writeElement($key, $value);
+            }
+        }
+    }
+
+    /**
+     * Gets the attributes of a specified object if get attributes 
+     * method is exposed. 
+     *
+     * @param object $targetObject The target object. 
+     * @param array  $methodArray  The array of method of the target object.
+     * 
+     * @return mixed
+     */
+    private static function _getInstanceAttributes($targetObject, $methodArray)
+    {
+        foreach ($methodArray as $method) {
+            if ($method->name == 'getAttributes') {
+                $classProperty = $method->invoke($targetObject);
+                return $classProperty;
+            }
+        }
+        return null;
+    }
+
+    /** 
+     * Serialize an object with specified root element name. 
+     * 
+     * @param object $targetObject The target object. 
+     * @param string $rootName     The name of the root element. 
+     * 
+     * @return string
+     */
+    public static function objectSerialize($targetObject, $rootName)
+    {
+        Validate::notNull($targetObject, 'targetObject');
+        Validate::isString($rootName, 'rootName');
+        $xmlWriter = new \XmlWriter();
+        $xmlWriter->openMemory(); 
+        $xmlWriter->setIndent(true);
+        $reflectionClass = new \ReflectionClass($targetObject);
+        $methodArray     = $reflectionClass->getMethods();
+        $attributes      = self::_getInstanceAttributes(
+            $targetObject, 
+            $methodArray
+        );
+         
+        $xmlWriter->startElement($rootName);
+        if (!is_null($attributes)) {
+            foreach (array_keys($attributes) as $attributeKey) {
+                $xmlWriter->writeAttribute(
+                    $attributeKey, 
+                    $attributes[$attributeKey]
+                );
+            }
+        }
+
+        foreach ($methodArray as $method) {
+            if ((strpos($method->name, 'get') === 0) 
+                && $method->isPublic() 
+                && ($method->name != 'getAttributes')
+            ) {
+                $variableName  = substr($method->name, 3);
+                $variableValue = $method->invoke($targetObject);
+                if (!empty($variableValue)) {
+                    if (gettype($variableValue) === 'object') {
+                        $xmlWriter->writeRaw(
+                            XmlSerializer::objectSerialize(
+                                $variableValue, $variableName
+                            )
+                        );
+                    } else {
+                        $xmlWriter->writeElement($variableName, $variableValue);
+                    } 
+                }
+            }
+        } 
+        $xmlWriter->endElement();
+        return $xmlWriter->outputMemory(true);
+    }
+
+    /**
+     * Serializes given array. The array indices must be string to use them as
+     * as element name.
+     * 
+     * @param array $array      The object to serialize represented in array.
+     * @param array $properties The used properties in the serialization process.
+     * 
+     * @return string
+     */
+    public function serialize($array, $properties = null)
+    {
+        $xmlVersion   = '1.0';
+        $xmlEncoding  = 'UTF-8';
+        $standalone   = Utilities::tryGetValue($properties, self::STANDALONE);
+        $defaultTag   = Utilities::tryGetValue($properties, self::DEFAULT_TAG);
+        $rootName     = Utilities::tryGetValue($properties, self::ROOT_NAME);
+        $docNamespace = Utilities::tryGetValue(
+            $array,
+            Resources::XTAG_NAMESPACE,
+            null
+        );
+
+        if (!is_array($array)) {
+            return false;
+        }
+
+        $xmlw = new \XmlWriter();
+        $xmlw->openMemory();
+        $xmlw->setIndent(true);
+        $xmlw->startDocument($xmlVersion, $xmlEncoding, $standalone);
+        
+        if (is_null($docNamespace)) {
+            $xmlw->startElement($rootName);
+        } else {
+            foreach ($docNamespace as $uri => $prefix) {
+                $xmlw->startElementNS($prefix, $rootName, $uri);
+                break;
+            }
+        }
+        
+        unset($array[Resources::XTAG_NAMESPACE]);
+        self::_arr2xml($xmlw, $array, $defaultTag);
+
+        $xmlw->endElement();
+
+        return $xmlw->outputMemory(true);
+    }
+    
+    /**
+     * Unserializes given serialized string.
+     * 
+     * @param string $serialized The serialized object in string representation.
+     * 
+     * @return array
+     */
+    public function unserialize($serialized)
+    {
+        $sxml = new \SimpleXMLElement($serialized);
+
+        return $this->_sxml2arr($sxml);
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/ServiceRestProxy.php

@@ -0,0 +1,619 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+use MicrosoftAzure\Storage\Common\ServiceException;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\RetryMiddlewareFactory;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Middleware;
+use GuzzleHttp\Client;
+use GuzzleHttp\Psr7;
+use GuzzleHttp\Psr7\Request;
+use GuzzleHttp\Psr7\Response;
+use GuzzleHttp\Psr7\Uri;
+use GuzzleHttp\Promise\EachPromise;
+
+/**
+ * Base class for all services rest proxies.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ServiceRestProxy extends RestProxy
+{
+    /**
+     * @var string
+     */
+    private $_accountName;
+
+    /**
+     *
+     * @var \Uri
+     */
+    private $_psrUri;
+
+    /**
+     * @var array
+     */
+    private $_options;
+
+    /**
+     * Initializes new ServiceRestProxy object.
+     *
+     * @param string      $uri            The storage account uri.
+     * @param string      $accountName    The name of the account.
+     * @param ISerializer $dataSerializer The data serializer.
+     * @param array       $options        Array of options for the service
+     */
+    public function __construct($uri, $accountName, $dataSerializer, $options = [])
+    {
+        if ($uri[strlen($uri)-1] != '/') {
+            $uri = $uri . '/';
+        }
+
+        parent::__construct($dataSerializer, $uri);
+
+        $this->_accountName = $accountName;
+        $this->_psrUri = new \GuzzleHttp\Psr7\Uri($uri);
+        $this->_options = array_merge(array('http' => array()), $options);
+    }
+
+    /**
+     * Gets the account name.
+     *
+     * @return string
+     */
+    public function getAccountName()
+    {
+        return $this->_accountName;
+    }
+
+    /**
+     * Filter the request using the filters. This is for users to create
+     * request.
+     * @param \GuzzleHttp\Psr7\Request $request The request to be filtered.
+     *
+     * @return \GuzzleHttp\Psr7\Request          The filtered request.
+     */
+    protected function requestWithFilter($request)
+    {
+        // Apply filters to the requests
+        foreach ($this->getFilters() as $filter) {
+            $request = $filter->handleRequest($request);
+        }
+        return $request;
+    }
+
+    /**
+     * Static helper function to create a usable client for the proxy.
+     * The clientOptions can contain the following keys that will affect
+     * the way retry handler is created and applied.
+     * handler:               HandlerStack, if set, this function will not
+     *                        create a handler stack. It will still construct
+     *                        a default retry handler if not specified by the
+     *                        following parameters.
+     * have_retry_middleware: boolean, true if the handler is already specified
+     *                        in the handler stack.
+     * retry_middleware:      Middleware, if specified this method will not create
+     *                        a default retry middle ware.
+     * @param  array $clientOptions Added options for client.
+     *
+     * @return \GuzzleHttp\Client
+     */
+    protected function createClient($clientOptions)
+    {
+        //If retry handler is not defined by the user, create a default
+        //handler.
+        $stack = null;
+        if (array_key_exists('handler', $this->_options['http'])) {
+            $stack = $this->_options['http']['handler'];
+        } elseif (array_key_exists('handler', $clientOptions)) {
+            $stack = $clientOptions['handler'];
+        } else {
+            $stack = HandlerStack::create();
+            $clientOptions['handler'] = $stack;
+        }
+
+        //If retry middle ware is specified, push it to the client.
+        //Otherwise use the default middle ware.
+        if (array_key_exists('have_retry_middleware', $clientOptions) &&
+            $clientOptions['have_retry_middleware'] == true) {
+            //do nothing
+        } elseif (array_key_exists('retry_middleware', $clientOptions)) {
+            //push the retry middleware to the handler stack.
+            $stack->push($clientOptions['retry_middleware']);
+        } else {
+            //construct the default retry middleware and push to the handler.
+            $stack->push(RetryMiddlewareFactory::create(), 'retry_middleware');
+        }
+        return (new \GuzzleHttp\Client(
+            array_merge(
+                $this->_options['http'],
+                array(
+                    "defaults" => array(
+                        "allow_redirects" => true,
+                        "exceptions" => true,
+                        "decode_content" => true,
+                    ),
+                    'cookies' => true,
+                    'verify' => false,
+                    // For testing with Fiddler
+                    //'proxy' => "localhost:8888",
+                ),
+                $clientOptions
+            )
+        ));
+    }
+
+    /**
+     * Send the requests concurrently. Number of concurrency can be modified
+     * by inserting a new key/value pair with the key 'number_of_concurrency'
+     * into the $clientOptions.
+     *
+     * @param  array    $requests              An array holding all the
+     *                                         initialized requests. If empty,
+     *                                         the first batch will be created
+     *                                         using the generator.
+     * @param  callable $generator             the generator function to
+     *                                         generate request upon fullfilment
+     * @param  int      $expectedStatusCode    The expected status code for each
+     *                                         of the request.
+     * @param  array    $clientOptions         an array of additional options
+     *                                         for the client.
+     *
+     * @return array
+     */
+    protected function sendConcurrent(
+        $requests,
+        $generator,
+        $expectedStatusCode,
+        $clientOptions = []
+    ) {
+        //set the number of concurrency to default value if not defined
+        //in the array.
+        $numberOfConcurrency = Resources::NUMBER_OF_CONCURRENCY;
+        if (array_key_exists('number_of_concurrency', $clientOptions)) {
+            $numberOfConcurrency = $clientOptions['number_of_concurrency'];
+            unset($clientOptions['number_of_concurrency']);
+        }
+        //create the client
+        $client = $this->createClient($clientOptions);
+
+        $promises = \call_user_func(
+            function () use ($requests, $generator, $client) {
+                $sendAsync = function ($request) use ($client) {
+                    $options = $request->getMethod() == 'HEAD'?
+                        array('decode_content' => false) : array();
+                    return $client->sendAsync($request, $options);
+                };
+                foreach ($requests as $request) {
+                    yield $sendAsync($request);
+                }
+                while (is_callable($generator) && ($request = $generator())) {
+                    yield $sendAsync($request);
+                }
+            }
+        );
+
+        $eachPromise = new EachPromise($promises, [
+            'concurrency' => $numberOfConcurrency,
+            'fulfilled' => function ($response, $index) use ($expectedStatusCode) {
+                //the promise is fulfilled, evaluate the response
+                self::throwIfError(
+                    $response->getStatusCode(),
+                    $response->getReasonPhrase(),
+                    $response->getBody(),
+                    $expectedStatusCode
+                );
+            },
+            'rejected' => function ($reason, $index) {
+                //Still rejected even if the retry logic has been applied.
+                //Throwing exception.
+                throw $reason;
+            }
+        ]);
+        
+        return $eachPromise->promise()->wait();
+    }
+
+    /**
+     * Create the request to be sent.
+     *
+     * @param  string $method         The method of the HTTP request
+     * @param  array $headers        The header field of the request
+     * @param  array $queryParams    The query parameter of the request
+     * @param  array $postParameters The HTTP POST parameters
+     * @param  string $path           URL path
+     * @param  string $body           Request body
+     *
+     * @return \GuzzleHttp\Psr7\Request
+     */
+    protected function createRequest(
+        $method,
+        $headers,
+        $queryParams,
+        $postParameters,
+        $path,
+        $body = Resources::EMPTY_STRING
+    ) {
+        // add query parameters into headers
+        $uri = $this->_psrUri;
+        if ($path != null) {
+            $uri = $uri->withPath($path);
+        }
+
+        if ($queryParams != null) {
+            $queryString = Psr7\build_query($queryParams);
+            $uri = $uri->withQuery($queryString);
+        }
+
+        // add post parameters into bodys
+        $actualBody = null;
+        if (empty($body)) {
+            if (empty($headers['content-type'])) {
+                $headers['content-type'] = 'application/x-www-form-urlencoded';
+                $actualBody = Psr7\build_query($postParameters);
+            }
+        } else {
+            $actualBody = $body;
+        }
+
+        $request = new Request(
+            $method,
+            $uri,
+            $headers,
+            $actualBody
+        );
+
+        //add content-length to header
+        $bodySize = $request->getBody()->getSize();
+        if ($bodySize > 0) {
+            $request = $request->withHeader('content-length', $bodySize);
+        }
+        // Apply filters to the requests
+        return $this->requestWithFilter($request);
+    }
+
+    /**
+     * Sends HTTP request with the specified parameters.
+     *
+     * @param string $method         HTTP method used in the request
+     * @param array  $headers        HTTP headers.
+     * @param array  $queryParams    URL query parameters.
+     * @param array  $postParameters The HTTP POST parameters.
+     * @param string $path           URL path
+     * @param int    $statusCode     Expected status code received in the response
+     * @param string $body           Request body
+     * @param array  $clientOptions  Guzzle Client options
+     *
+     * @return GuzzleHttp\Psr7\Response
+     */
+    protected function send(
+        $method,
+        $headers,
+        $queryParams,
+        $postParameters,
+        $path,
+        $statusCode,
+        $body = Resources::EMPTY_STRING,
+        $clientOptions = []
+    ) {
+        $request = $this->createRequest(
+            $method,
+            $headers,
+            $queryParams,
+            $postParameters,
+            $path,
+            $body
+        );
+        $client = $this->createClient($clientOptions);
+
+        try {
+            $options = $request->getMethod() == 'HEAD'?
+                array('decode_content' => false) : array();
+            $response = $client->send($request, $options);
+            self::throwIfError(
+                $response->getStatusCode(),
+                $response->getReasonPhrase(),
+                $response->getBody(),
+                $statusCode
+            );
+            return $response;
+        } catch (\GuzzleHttp\Exception\RequestException $e) {
+            if ($e->hasResponse()) {
+                $response = $e->getResponse();
+                self::throwIfError(
+                    $response->getStatusCode(),
+                    $response->getReasonPhrase(),
+                    $response->getBody(),
+                    $statusCode
+                );
+                return $response;
+            } else {
+                throw $e;
+            }
+        }
+    }
+
+    protected function sendContext($context)
+    {
+        return $this->send(
+            $context->getMethod(),
+            $context->getHeaders(),
+            $context->getQueryParameters(),
+            $context->getPostParameters(),
+            $context->getPath(),
+            $context->getStatusCodes(),
+            $context->getBody()
+        );
+    }
+
+    /**
+     * Throws ServiceException if the recieved status code is not expected.
+     *
+     * @param string $actual   The received status code.
+     * @param string $reason   The reason phrase.
+     * @param string $message  The detailed message (if any).
+     * @param string $expected The expected status codes.
+     *
+     * @return none
+     *
+     * @static
+     *
+     * @throws ServiceException
+     */
+    public static function throwIfError($actual, $reason, $message, $expected)
+    {
+        $expectedStatusCodes = is_array($expected) ? $expected : array($expected);
+
+        if (!in_array($actual, $expectedStatusCodes)) {
+            throw new ServiceException($actual, $reason, $message);
+        }
+    }
+
+    /**
+     * Adds optional header to headers if set
+     *
+     * @param array           $headers         The array of request headers.
+     * @param AccessCondition $accessCondition The access condition object.
+     *
+     * @return array
+     */
+    public function addOptionalAccessConditionHeader($headers, $accessCondition)
+    {
+        if (!is_null($accessCondition)) {
+            $header = $accessCondition->getHeader();
+
+            if ($header != Resources::EMPTY_STRING) {
+                $value = $accessCondition->getValue();
+                if ($value instanceof \DateTime) {
+                    $value = gmdate(
+                        Resources::AZURE_DATE_FORMAT,
+                        $value->getTimestamp()
+                    );
+                }
+                $headers[$header] = $value;
+            }
+        }
+
+        return $headers;
+    }
+
+    /**
+     * Adds optional header to headers if set
+     *
+     * @param array           $headers         The array of request headers.
+     * @param AccessCondition $accessCondition The access condition object.
+     *
+     * @return array
+     */
+    public function addOptionalSourceAccessConditionHeader(
+        $headers,
+        $accessCondition
+    ) {
+        if (!is_null($accessCondition)) {
+            $header     = $accessCondition->getHeader();
+            $headerName = null;
+            if (!empty($header)) {
+                switch ($header) {
+                    case Resources::IF_MATCH:
+                        $headerName = Resources::X_MS_SOURCE_IF_MATCH;
+                        break;
+                    case Resources::IF_UNMODIFIED_SINCE:
+                        $headerName = Resources::X_MS_SOURCE_IF_UNMODIFIED_SINCE;
+                        break;
+                    case Resources::IF_MODIFIED_SINCE:
+                        $headerName = Resources::X_MS_SOURCE_IF_MODIFIED_SINCE;
+                        break;
+                    case Resources::IF_NONE_MATCH:
+                        $headerName = Resources::X_MS_SOURCE_IF_NONE_MATCH;
+                        break;
+                    default:
+                        throw new \Exception(Resources::INVALID_ACH_MSG);
+                        break;
+                }
+            }
+            $value = $accessCondition->getValue();
+            if ($value instanceof \DateTime) {
+                $value = gmdate(
+                    Resources::AZURE_DATE_FORMAT,
+                    $value->getTimestamp()
+                );
+            }
+
+            $this->addOptionalHeader($headers, $headerName, $value);
+        }
+
+        return $headers;
+    }
+
+    /**
+     * Adds HTTP POST parameter to the specified
+     *
+     * @param array  $postParameters An array of HTTP POST parameters.
+     * @param string $key            The key of a HTTP POST parameter.
+     * @param string $value          the value of a HTTP POST parameter.
+     *
+     * @return array
+     */
+    public function addPostParameter(
+        $postParameters,
+        $key,
+        $value
+    ) {
+        Validate::isArray($postParameters, 'postParameters');
+        $postParameters[$key] = $value;
+        return $postParameters;
+    }
+
+    /**
+     * Groups set of values into one value separated with Resources::SEPARATOR
+     *
+     * @param array $values array of values to be grouped.
+     *
+     * @return string
+     */
+    public static function groupQueryValues($values)
+    {
+        Validate::isArray($values, 'values');
+        $joined = Resources::EMPTY_STRING;
+
+        sort($values);
+
+        foreach ($values as $value) {
+            if (!is_null($value) && !empty($value)) {
+                $joined .= $value . Resources::SEPARATOR;
+            }
+        }
+
+        return trim($joined, Resources::SEPARATOR);
+    }
+
+    /**
+     * Adds metadata elements to headers array
+     *
+     * @param array $headers  HTTP request headers
+     * @param array $metadata user specified metadata
+     *
+     * @return array
+     */
+    protected function addMetadataHeaders($headers, $metadata)
+    {
+        $this->validateMetadata($metadata);
+
+        $metadata = $this->generateMetadataHeaders($metadata);
+        $headers  = array_merge($headers, $metadata);
+
+        return $headers;
+    }
+
+    /**
+     * Generates metadata headers by prefixing each element with 'x-ms-meta'.
+     *
+     * @param array $metadata user defined metadata.
+     *
+     * @return array.
+     */
+    public function generateMetadataHeaders($metadata)
+    {
+        $metadataHeaders = array();
+
+        if (is_array($metadata) && !is_null($metadata)) {
+            foreach ($metadata as $key => $value) {
+                $headerName = Resources::X_MS_META_HEADER_PREFIX;
+                if (strpos($value, "\r") !== false
+                    || strpos($value, "\n") !== false
+                ) {
+                    throw new \InvalidArgumentException(Resources::INVALID_META_MSG);
+                }
+
+                // Metadata name is case-presrved and case insensitive
+                $headerName                     .= $key;
+                $metadataHeaders[$headerName] = $value;
+            }
+        }
+
+        return $metadataHeaders;
+    }
+
+    /**
+     * Gets metadata array by parsing them from given headers.
+     *
+     * @param array $headers HTTP headers containing metadata elements.
+     *
+     * @return array.
+     */
+    public function getMetadataArray($headers)
+    {
+        $metadata = array();
+        foreach ($headers as $key => $value) {
+            $isMetadataHeader = Utilities::startsWith(
+                strtolower($key),
+                Resources::X_MS_META_HEADER_PREFIX
+            );
+
+            if ($isMetadataHeader) {
+                // Metadata name is case-presrved and case insensitive
+                $MetadataName = str_ireplace(
+                    Resources::X_MS_META_HEADER_PREFIX,
+                    Resources::EMPTY_STRING,
+                    $key
+                );
+                $metadata[$MetadataName] = $value;
+            }
+        }
+
+        return $metadata;
+    }
+
+    /**
+     * Validates the provided metadata array.
+     *
+     * @param mix $metadata The metadata array.
+     *
+     * @return none
+     */
+    public function validateMetadata($metadata)
+    {
+        if (!is_null($metadata)) {
+            Validate::isArray($metadata, 'metadata');
+        } else {
+            $metadata = array();
+        }
+
+        foreach ($metadata as $key => $value) {
+            Validate::isString($key, 'metadata key');
+            Validate::isString($value, 'metadata value');
+        }
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/ServiceSettings.php

@@ -0,0 +1,287 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+
+/**
+ * Base class for all REST services settings.
+ * 
+ * Derived classes must implement the following members:
+ * 1- $isInitialized: A static property that indicates whether the class's static
+ *    members have been initialized.
+ * 2- init(): A protected static method that initializes static members.
+ * 3- $validSettingKeys: A static property that contains valid setting keys for this 
+ *    service.
+ * 4- createFromConnectionString($connectionString): A public static function that
+ *    takes a connection string and returns the created settings object.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+abstract class ServiceSettings
+{
+    /**
+     * Throws an exception if the connection string format does not match any of the
+     * available formats.
+     * 
+     * @param type $connectionString The invalid formatted connection string.
+     * 
+     * @return none
+     * 
+     * @throws \RuntimeException
+     */
+    protected static function noMatch($connectionString)
+    {
+        throw new \RuntimeException(
+            sprintf(Resources::MISSING_CONNECTION_STRING_SETTINGS, $connectionString)
+        );
+    }
+    
+    /**
+     * Parses the connection string and then validate that the parsed keys belong to
+     * the $validSettingKeys
+     * 
+     * @param string $connectionString The user provided connection string.
+     * 
+     * @return array The tokenized connection string keys.
+     * 
+     * @throws \RuntimeException 
+     */
+    protected static function parseAndValidateKeys($connectionString)
+    {
+        // Initialize the static values if they are not initialized yet.
+        if (!static::$isInitialized) {
+            static::init();
+            static::$isInitialized = true;
+        }
+        
+        $tokenizedSettings = ConnectionStringParser::parseConnectionString(
+            'connectionString',
+            $connectionString
+        );
+        
+        // Assure that all given keys are valid.
+        foreach ($tokenizedSettings as $key => $value) {
+            if (!Utilities::inArrayInsensitive($key, static::$validSettingKeys) ) {
+                throw new \RuntimeException(
+                    sprintf(
+                        Resources::INVALID_CONNECTION_STRING_SETTING_KEY,
+                        $key,
+                        implode("\n", static::$validSettingKeys)
+                    )
+                );
+            }
+        }
+        
+        return $tokenizedSettings;
+    }
+    
+    /**
+     * Creates an anonymous function that acts as predicate.
+     * 
+     * @param array   $requirements The array of conditions to satisfy.
+     * @param boolean $isRequired   Either these conditions are all required or all 
+     * optional.
+     * @param boolean $atLeastOne   Indicates that at least one requirement must
+     * succeed.
+     * 
+     * @return callable
+     */
+    protected static function getValidator($requirements, $isRequired, $atLeastOne)
+    {
+        // @codingStandardsIgnoreStart
+        
+        return function ($userSettings)
+         use ($requirements, $isRequired, $atLeastOne) {
+            $oneFound = false;
+            $result   = array_change_key_case($userSettings);
+            foreach ($requirements as $requirement) {
+                $settingName = strtolower($requirement[Resources::SETTING_NAME]);
+                
+                // Check if the setting name exists in the provided user settings.
+                if (array_key_exists($settingName, $result)) {
+                    // Check if the provided user setting value is valid.
+                    $validationFunc = $requirement[Resources::SETTING_CONSTRAINT];
+                    $isValid        = $validationFunc($result[$settingName]);
+                    
+                    if ($isValid) {
+                        // Remove the setting as indicator for successful validation.
+                        unset($result[$settingName]);
+                        $oneFound = true;
+                    }
+                } else {
+                    // If required then fail because the setting does not exist
+                    if ($isRequired) {
+                        return null;
+                    }
+                }
+            }
+            
+            if ($atLeastOne) {
+                // At least one requirement must succeed, otherwise fail.
+                return $oneFound ? $result : null;
+            } else {
+                return $result;
+            }
+        };
+        
+        // @codingStandardsIgnoreEnd
+    }
+    
+    /**
+     * Creates at lease one succeed predicate for the provided list of requirements.
+     * 
+     * @return callable
+     */
+    protected static function atLeastOne()
+    {
+        $allSettings = func_get_args();
+        return self::getValidator($allSettings, false, true);
+    }
+    
+    /**
+     * Creates an optional predicate for the provided list of requirements.
+     * 
+     * @return callable
+     */
+    protected static function optional()
+    {
+        $optionalSettings = func_get_args();
+        return self::getValidator($optionalSettings, false, false);
+    }
+    
+    /**
+     * Creates an required predicate for the provided list of requirements.
+     * 
+     * @return callable
+     */
+    protected static function allRequired()
+    {
+        $requiredSettings = func_get_args();
+        return self::getValidator($requiredSettings, true, false);
+    }
+    
+    /**
+     * Creates a setting value condition using the passed predicate.
+     * 
+     * @param string   $name      The setting key name.
+     * @param callable $predicate The setting value predicate.
+     * 
+     * @return array 
+     */
+    protected static function settingWithFunc($name, $predicate)
+    {
+        $requirement                                = array();
+        $requirement[Resources::SETTING_NAME]       = $name;
+        $requirement[Resources::SETTING_CONSTRAINT] = $predicate;
+        
+        return $requirement;
+    }
+    
+    /**
+     * Creates a setting value condition that validates it is one of the
+     * passed valid values.
+     * 
+     * @param string $name The setting key name.
+     * 
+     * @return array 
+     */
+    protected static function setting($name)
+    {
+        $validValues = func_get_args();
+        
+        // Remove $name argument.
+        unset($validValues[0]);
+        
+        $validValuesCount = func_num_args();
+        
+        $predicate = function ($settingValue) use ($validValuesCount, $validValues) {
+            if (empty($validValues)) {
+                // No restrictions, succeed,
+                return true;
+            }
+            
+            // Check to find if the $settingValue is valid or not. The index must
+            // start from 1 as unset deletes the value but does not update the array
+            // indecies.
+            for ($index = 1; $index < $validValuesCount; $index++) {
+                if ($settingValue == $validValues[$index]) {
+                    // $settingValue is found in valid values set, succeed.
+                    return true;
+                }
+            }
+            
+            throw new \RuntimeException(
+                sprintf(
+                    Resources::INVALID_CONFIG_VALUE,
+                    $settingValue,
+                    implode("\n", $validValues)
+                )
+            );
+            
+            // $settingValue is missing in valid values set, fail.
+            return false;
+        };
+        
+        return self::settingWithFunc($name, $predicate);
+    }
+    
+    /**
+     * Tests to see if a given list of settings matches a set of filters exactly.
+     * 
+     * @param array $settings The settings to check.
+     * 
+     * @return boolean If any filter returns null, false. If there are any settings 
+     * left over after all filters are processed, false. Otherwise true.
+     */
+    protected static function matchedSpecification($settings)
+    {
+        $constraints = func_get_args();
+        
+        // Remove first element which corresponds to $settings
+        unset($constraints[0]);
+        
+        foreach ($constraints as $constraint) {
+            $remainingSettings = $constraint($settings);
+            
+            if (is_null($remainingSettings)) {
+                return false;
+            } else {
+                $settings = $remainingSettings;
+            }
+        }
+        
+        if (empty($settings)) {
+            return true;
+        }
+        
+        return false;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/StorageServiceSettings.php

@@ -0,0 +1,485 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+use MicrosoftAzure\Storage\Common\Internal\ConnectionStringParser;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+
+/**
+ * Represents the settings used to sign and access a request against the storage
+ * service. For more information about storage service connection strings check this
+ * page: http://msdn.microsoft.com/en-us/library/ee758697
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class StorageServiceSettings extends ServiceSettings
+{
+    /**
+     * The storage service name.
+     *
+     * @var string
+     */
+    private $_name;
+    
+    /**
+     * A base64 representation.
+     *
+     * @var string
+     */
+    private $_key;
+    
+    /**
+     * The endpoint for the blob service.
+     *
+     * @var string
+     */
+    private $_blobEndpointUri;
+    
+    /**
+     * The endpoint for the queue service.
+     *
+     * @var string
+     */
+    private $_queueEndpointUri;
+    
+    /**
+     * The endpoint for the table service.
+     *
+     * @var string
+     */
+    private $_tableEndpointUri;
+    
+    /**
+     * @var StorageServiceSettings
+     */
+    private static $_devStoreAccount;
+    
+    /**
+     * Validator for the UseDevelopmentStorage setting. Must be "true".
+     *
+     * @var array
+     */
+    private static $_useDevelopmentStorageSetting;
+    
+    /**
+     * Validator for the DevelopmentStorageProxyUri setting. Must be a valid Uri.
+     *
+     * @var array
+     */
+    private static $_developmentStorageProxyUriSetting;
+    
+    /**
+     * Validator for the DefaultEndpointsProtocol setting. Must be either "http"
+     * or "https".
+     *
+     * @var array
+     */
+    private static $_defaultEndpointsProtocolSetting;
+    
+    /**
+     * Validator for the AccountName setting. No restrictions.
+     *
+     * @var array
+     */
+    private static $_accountNameSetting;
+    
+    /**
+     * Validator for the AccountKey setting. Must be a valid base64 string.
+     *
+     * @var array
+     */
+    private static $_accountKeySetting;
+    
+    /**
+     * Validator for the BlobEndpoint setting. Must be a valid Uri.
+     *
+     * @var array
+     */
+    private static $_blobEndpointSetting;
+    
+    /**
+     * Validator for the QueueEndpoint setting. Must be a valid Uri.
+     *
+     * @var array
+     */
+    private static $_queueEndpointSetting;
+    
+    /**
+     * Validator for the TableEndpoint setting. Must be a valid Uri.
+     *
+     * @var array
+     */
+    private static $_tableEndpointSetting;
+    
+    /**
+     * @var boolean
+     */
+    protected static $isInitialized = false;
+    
+    /**
+     * Holds the expected setting keys.
+     *
+     * @var array
+     */
+    protected static $validSettingKeys = array();
+    
+    /**
+     * Initializes static members of the class.
+     *
+     * @return none
+     */
+    protected static function init()
+    {
+        self::$_useDevelopmentStorageSetting = self::setting(
+            Resources::USE_DEVELOPMENT_STORAGE_NAME,
+            'true'
+        );
+        
+        self::$_developmentStorageProxyUriSetting = self::settingWithFunc(
+            Resources::DEVELOPMENT_STORAGE_PROXY_URI_NAME,
+            Validate::getIsValidUri()
+        );
+        
+        self::$_defaultEndpointsProtocolSetting = self::setting(
+            Resources::DEFAULT_ENDPOINTS_PROTOCOL_NAME,
+            'http',
+            'https'
+        );
+        
+        self::$_accountNameSetting = self::setting(Resources::ACCOUNT_NAME_NAME);
+        
+        self::$_accountKeySetting = self::settingWithFunc(
+            Resources::ACCOUNT_KEY_NAME,
+            // base64_decode will return false if the $key is not in base64 format.
+            function ($key) {
+                $isValidBase64String = base64_decode($key, true);
+                if ($isValidBase64String) {
+                    return true;
+                } else {
+                    throw new \RuntimeException(
+                        sprintf(Resources::INVALID_ACCOUNT_KEY_FORMAT, $key)
+                    );
+                }
+            }
+        );
+        
+        self::$_blobEndpointSetting = self::settingWithFunc(
+            Resources::BLOB_ENDPOINT_NAME,
+            Validate::getIsValidUri()
+        );
+        
+        self::$_queueEndpointSetting = self::settingWithFunc(
+            Resources::QUEUE_ENDPOINT_NAME,
+            Validate::getIsValidUri()
+        );
+        
+        self::$_tableEndpointSetting = self::settingWithFunc(
+            Resources::TABLE_ENDPOINT_NAME,
+            Validate::getIsValidUri()
+        );
+        
+        self::$validSettingKeys[] = Resources::USE_DEVELOPMENT_STORAGE_NAME;
+        self::$validSettingKeys[] = Resources::DEVELOPMENT_STORAGE_PROXY_URI_NAME;
+        self::$validSettingKeys[] = Resources::DEFAULT_ENDPOINTS_PROTOCOL_NAME;
+        self::$validSettingKeys[] = Resources::ACCOUNT_NAME_NAME;
+        self::$validSettingKeys[] = Resources::ACCOUNT_KEY_NAME;
+        self::$validSettingKeys[] = Resources::BLOB_ENDPOINT_NAME;
+        self::$validSettingKeys[] = Resources::QUEUE_ENDPOINT_NAME;
+        self::$validSettingKeys[] = Resources::TABLE_ENDPOINT_NAME;
+    }
+    
+    /**
+     * Creates new storage service settings instance.
+     *
+     * @param string $name             The storage service name.
+     * @param string $key              The storage service key.
+     * @param string $blobEndpointUri  The sotrage service blob endpoint.
+     * @param string $queueEndpointUri The sotrage service queue endpoint.
+     * @param string $tableEndpointUri The sotrage service table endpoint.
+     */
+    public function __construct(
+        $name,
+        $key,
+        $blobEndpointUri,
+        $queueEndpointUri,
+        $tableEndpointUri
+    ) {
+        $this->_name             = $name;
+        $this->_key              = $key;
+        $this->_blobEndpointUri  = $blobEndpointUri;
+        $this->_queueEndpointUri = $queueEndpointUri;
+        $this->_tableEndpointUri = $tableEndpointUri;
+    }
+    
+    /**
+     * Returns a StorageServiceSettings with development storage credentials using
+     * the specified proxy Uri.
+     *
+     * @param string $proxyUri The proxy endpoint to use.
+     *
+     * @return StorageServiceSettings
+     */
+    private static function _getDevelopmentStorageAccount($proxyUri)
+    {
+        if (is_null($proxyUri)) {
+            return self::developmentStorageAccount();
+        }
+        
+        $scheme = parse_url($proxyUri, PHP_URL_SCHEME);
+        $host   = parse_url($proxyUri, PHP_URL_HOST);
+        $prefix = $scheme . "://" . $host;
+        
+        return new StorageServiceSettings(
+            Resources::DEV_STORE_NAME,
+            Resources::DEV_STORE_KEY,
+            $prefix . ':10000/devstoreaccount1/',
+            $prefix . ':10001/devstoreaccount1/',
+            $prefix . ':10002/devstoreaccount1/'
+        );
+    }
+    
+    /**
+     * Gets a StorageServiceSettings object that references the development storage
+     * account.
+     *
+     * @return StorageServiceSettings
+     */
+    public static function developmentStorageAccount()
+    {
+        if (is_null(self::$_devStoreAccount)) {
+            self::$_devStoreAccount = self::_getDevelopmentStorageAccount(
+                Resources::DEV_STORE_URI
+            );
+        }
+        
+        return self::$_devStoreAccount;
+    }
+    
+    /**
+     * Gets the default service endpoint using the specified protocol and account
+     * name.
+     *
+     * @param array  $settings The service settings.
+     * @param string $dns      The service DNS.
+     *
+     * @return string
+     */
+    private static function _getDefaultServiceEndpoint($settings, $dns)
+    {
+        $scheme      = Utilities::tryGetValueInsensitive(
+            Resources::DEFAULT_ENDPOINTS_PROTOCOL_NAME,
+            $settings
+        );
+        $accountName = Utilities::tryGetValueInsensitive(
+            Resources::ACCOUNT_NAME_NAME,
+            $settings
+        );
+        
+        return sprintf(Resources::SERVICE_URI_FORMAT, $scheme, $accountName, $dns);
+    }
+    
+    /**
+     * Creates StorageServiceSettings object given endpoints uri.
+     *
+     * @param array  $settings         The service settings.
+     * @param string $blobEndpointUri  The blob endpoint uri.
+     * @param string $queueEndpointUri The queue endpoint uri.
+     * @param string $tableEndpointUri The table endpoint uri.
+     *
+     * @return \MicrosoftAzure\Storage\Common\Internal\StorageServiceSettings
+     */
+    private static function _createStorageServiceSettings(
+        $settings,
+        $blobEndpointUri = null,
+        $queueEndpointUri = null,
+        $tableEndpointUri = null
+    ) {
+        $blobEndpointUri  = Utilities::tryGetValueInsensitive(
+            Resources::BLOB_ENDPOINT_NAME,
+            $settings,
+            $blobEndpointUri
+        );
+        $queueEndpointUri = Utilities::tryGetValueInsensitive(
+            Resources::QUEUE_ENDPOINT_NAME,
+            $settings,
+            $queueEndpointUri
+        );
+        $tableEndpointUri = Utilities::tryGetValueInsensitive(
+            Resources::TABLE_ENDPOINT_NAME,
+            $settings,
+            $tableEndpointUri
+        );
+        $accountName      = Utilities::tryGetValueInsensitive(
+            Resources::ACCOUNT_NAME_NAME,
+            $settings
+        );
+        $accountKey       = Utilities::tryGetValueInsensitive(
+            Resources::ACCOUNT_KEY_NAME,
+            $settings
+        );
+            
+        return new StorageServiceSettings(
+            $accountName,
+            $accountKey,
+            $blobEndpointUri,
+            $queueEndpointUri,
+            $tableEndpointUri
+        );
+    }
+
+    /**
+     * Creates a StorageServiceSettings object from the given connection string.
+     *
+     * @param string $connectionString The storage settings connection string.
+     *
+     * @return StorageServiceSettings
+     */
+    public static function createFromConnectionString($connectionString)
+    {
+        $tokenizedSettings = self::parseAndValidateKeys($connectionString);
+        
+        // Devstore case
+        $matchedSpecs = self::matchedSpecification(
+            $tokenizedSettings,
+            self::allRequired(self::$_useDevelopmentStorageSetting),
+            self::optional(self::$_developmentStorageProxyUriSetting)
+        );
+        if ($matchedSpecs) {
+            $proxyUri = Utilities::tryGetValueInsensitive(
+                Resources::DEVELOPMENT_STORAGE_PROXY_URI_NAME,
+                $tokenizedSettings
+            );
+            
+            return self::_getDevelopmentStorageAccount($proxyUri);
+        }
+        
+        // Automatic case
+        $matchedSpecs = self::matchedSpecification(
+            $tokenizedSettings,
+            self::allRequired(
+                self::$_defaultEndpointsProtocolSetting,
+                self::$_accountNameSetting,
+                self::$_accountKeySetting
+            ),
+            self::optional(
+                self::$_blobEndpointSetting,
+                self::$_queueEndpointSetting,
+                self::$_tableEndpointSetting
+            )
+        );
+        if ($matchedSpecs) {
+            return self::_createStorageServiceSettings(
+                $tokenizedSettings,
+                self::_getDefaultServiceEndpoint(
+                    $tokenizedSettings,
+                    Resources::BLOB_BASE_DNS_NAME
+                ),
+                self::_getDefaultServiceEndpoint(
+                    $tokenizedSettings,
+                    Resources::QUEUE_BASE_DNS_NAME
+                ),
+                self::_getDefaultServiceEndpoint(
+                    $tokenizedSettings,
+                    Resources::TABLE_BASE_DNS_NAME
+                )
+            );
+        }
+        
+        // Explicit case
+        $matchedSpecs = self::matchedSpecification(
+            $tokenizedSettings,
+            self::atLeastOne(
+                self::$_blobEndpointSetting,
+                self::$_queueEndpointSetting,
+                self::$_tableEndpointSetting
+            ),
+            self::allRequired(
+                self::$_accountNameSetting,
+                self::$_accountKeySetting
+            )
+        );
+        if ($matchedSpecs) {
+            return self::_createStorageServiceSettings($tokenizedSettings);
+        }
+        
+        self::noMatch($connectionString);
+    }
+    
+    /**
+     * Gets storage service name.
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->_name;
+    }
+    
+    /**
+     * Gets storage service key.
+     *
+     * @return string
+     */
+    public function getKey()
+    {
+        return $this->_key;
+    }
+    
+    /**
+     * Gets storage service blob endpoint uri.
+     *
+     * @return string
+     */
+    public function getBlobEndpointUri()
+    {
+        return $this->_blobEndpointUri;
+    }
+    
+    /**
+     * Gets storage service queue endpoint uri.
+     *
+     * @return string
+     */
+    public function getQueueEndpointUri()
+    {
+        return $this->_queueEndpointUri;
+    }
+
+    /**
+     * Gets storage service table endpoint uri.
+     *
+     * @return string
+     */
+    public function getTableEndpointUri()
+    {
+        return $this->_tableEndpointUri;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Utilities.php

@@ -0,0 +1,781 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+use GuzzleHttp\Psr7\Stream;
+
+/**
+ * Utilities for the project
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Utilities
+{
+    /**
+     * Returns the specified value of the $key passed from $array and in case that
+     * this $key doesn't exist, the default value is returned.
+     *
+     * @param array $array   The array to be used.
+     * @param mix   $key     The array key.
+     * @param mix   $default The value to return if $key is not found in $array.
+     *
+     * @static
+     *
+     * @return mix
+     */
+    public static function tryGetValue($array, $key, $default = null)
+    {
+        return is_array($array) && array_key_exists($key, $array)
+            ? $array[$key]
+            : $default;
+    }
+
+    /**
+     * Adds a url scheme if there is no scheme.
+     *
+     * @param string $url    The URL.
+     * @param string $scheme The scheme. By default HTTP
+     *
+     * @static
+     *
+     * @return string
+     */
+    public static function tryAddUrlScheme($url, $scheme = 'http')
+    {
+        $urlScheme = parse_url($url, PHP_URL_SCHEME);
+
+        if (empty($urlScheme)) {
+            $url = "$scheme://" . $url;
+        }
+
+        return $url;
+    }
+    
+    /**
+     * Parse storage account name from an endpoint url.
+     *
+     * @param string $url The endpoint $url
+     *
+     * @static
+     *
+     * @return string
+     */
+    public static function tryParseAccountNameFromUrl($url)
+    {
+        $host = parse_url($url, PHP_URL_HOST);
+        
+        // first token of the url host is account name
+        return explode('.', $host)[0];
+    }
+    
+    /**
+     * tries to get nested array with index name $key from $array.
+     *
+     * Returns empty array object if the value is NULL.
+     *
+     * @param string $key   The index name.
+     * @param array  $array The array object.
+     *
+     * @static
+     *
+     * @return array
+     */
+    public static function tryGetArray($key, $array)
+    {
+        return Utilities::getArray(Utilities::tryGetValue($array, $key));
+    }
+
+    /**
+     * Adds the given key/value pair into array if the value doesn't satisfy empty().
+     *
+     * This function just validates that the given $array is actually array. If it's
+     * NULL the function treats it as array.
+     *
+     * @param string $key    The key.
+     * @param string $value  The value.
+     * @param array  &$array The array. If NULL will be used as array.
+     *
+     * @static
+     *
+     * @return none
+     */
+    public static function addIfNotEmpty($key, $value, &$array)
+    {
+        if (!is_null($array)) {
+            Validate::isArray($array, 'array');
+        }
+
+        if (!empty($value)) {
+            $array[$key] = $value;
+        }
+    }
+
+    /**
+     * Returns the specified value of the key chain passed from $array and in case
+     * that key chain doesn't exist, null is returned.
+     *
+     * @param array $array Array to be used.
+     *
+     * @static
+     *
+     * @return mix
+     */
+    public static function tryGetKeysChainValue($array)
+    {
+        $arguments    = func_get_args();
+        $numArguments = func_num_args();
+
+        $currentArray = $array;
+        for ($i = 1; $i < $numArguments; $i++) {
+            if (is_array($currentArray)) {
+                if (array_key_exists($arguments[$i], $currentArray)) {
+                    $currentArray = $currentArray[$arguments[$i]];
+                } else {
+                    return null;
+                }
+            } else {
+                return null;
+            }
+        }
+
+        return $currentArray;
+    }
+
+    /**
+     * Checks if the passed $string starts with $prefix
+     *
+     * @param string  $string     word to seaech in
+     * @param string  $prefix     prefix to be matched
+     * @param boolean $ignoreCase true to ignore case during the comparison;
+     * otherwise, false
+     *
+     * @static
+     *
+     * @return boolean
+     */
+    public static function startsWith($string, $prefix, $ignoreCase = false)
+    {
+        if ($ignoreCase) {
+            $string = strtolower($string);
+            $prefix = strtolower($prefix);
+        }
+        return ($prefix == substr($string, 0, strlen($prefix)));
+    }
+
+    /**
+     * Returns grouped items from passed $var
+     *
+     * @param array $var item to group
+     *
+     * @static
+     *
+     * @return array
+     */
+    public static function getArray($var)
+    {
+        if (is_null($var) || empty($var)) {
+            return array();
+        }
+
+        foreach ($var as $value) {
+            if ((gettype($value) == 'object')
+                && (get_class($value) == 'SimpleXMLElement')
+            ) {
+                return (array) $var;
+            } else if (!is_array($value)) {
+                return array($var);
+            }
+
+        }
+
+        return $var;
+    }
+
+    /**
+     * Unserializes the passed $xml into array.
+     *
+     * @param string $xml XML to be parsed.
+     *
+     * @static
+     *
+     * @return array
+     */
+    public static function unserialize($xml)
+    {
+        $sxml = new \SimpleXMLElement($xml);
+
+        return self::_sxml2arr($sxml);
+    }
+
+    /**
+     * Converts a SimpleXML object to an Array recursively
+     * ensuring all sub-elements are arrays as well.
+     *
+     * @param string $sxml SimpleXML object
+     * @param array  $arr  Array into which to store results
+     *
+     * @static
+     *
+     * @return array
+     */
+    private static function _sxml2arr($sxml, $arr = null)
+    {
+        foreach ((array) $sxml as $key => $value) {
+            if (is_object($value) || (is_array($value))) {
+                $arr[$key] = self::_sxml2arr($value);
+            } else {
+                $arr[$key] = $value;
+            }
+        }
+
+        return $arr;
+    }
+
+    /**
+     * Serializes given array into xml. The array indices must be string to use
+     * them as XML tags.
+     *
+     * @param array  $array      object to serialize represented in array.
+     * @param string $rootName   name of the XML root element.
+     * @param string $defaultTag default tag for non-tagged elements.
+     * @param string $standalone adds 'standalone' header tag, values 'yes'/'no'
+     *
+     * @static
+     *
+     * @return string
+     */
+    public static function serialize($array, $rootName, $defaultTag = null,
+        $standalone = null
+    ) {
+        $xmlVersion  = '1.0';
+        $xmlEncoding = 'UTF-8';
+
+        if (!is_array($array)) {
+            return false;
+        }
+
+        $xmlw = new \XmlWriter();
+        $xmlw->openMemory();
+        $xmlw->startDocument($xmlVersion, $xmlEncoding, $standalone);
+
+        $xmlw->startElement($rootName);
+
+        self::_arr2xml($xmlw, $array, $defaultTag);
+
+        $xmlw->endElement();
+
+        return $xmlw->outputMemory(true);
+    }
+
+    /**
+     * Takes an array and produces XML based on it.
+     *
+     * @param XMLWriter $xmlw       XMLWriter object that was previously instanted
+     * and is used for creating the XML.
+     * @param array     $data       Array to be converted to XML
+     * @param string    $defaultTag Default XML tag to be used if none specified.
+     *
+     * @static
+     *
+     * @return void
+     */
+    private static function _arr2xml(\XMLWriter $xmlw, $data, $defaultTag = null)
+    {
+        foreach ($data as $key => $value) {
+            if (strcmp($key, '@attributes') == 0) {
+                foreach ($value as $attributeName => $attributeValue) {
+                    $xmlw->writeAttribute($attributeName, $attributeValue);
+                }
+            } else if (is_array($value)) {
+                if (!is_int($key)) {
+                    if ($key != Resources::EMPTY_STRING) {
+                        $xmlw->startElement($key);
+                    } else {
+                        $xmlw->startElement($defaultTag);
+                    }
+                }
+
+                self::_arr2xml($xmlw, $value);
+
+                if (!is_int($key)) {
+                    $xmlw->endElement();
+                }
+                continue;
+            } else {
+                $xmlw->writeElement($key, $value);
+            }
+        }
+    }
+
+    /**
+     * Converts string into boolean value.
+     *
+     * @param string $obj boolean value in string format.
+     *
+     * @static
+     *
+     * @return bool
+     */
+    public static function toBoolean($obj)
+    {
+        return filter_var($obj, FILTER_VALIDATE_BOOLEAN);
+    }
+
+    /**
+     * Converts string into boolean value.
+     *
+     * @param bool $obj boolean value to convert.
+     *
+     * @static
+     *
+     * @return string
+     */
+    public static function booleanToString($obj)
+    {
+        return $obj ? 'true' : 'false';
+    }
+
+    /**
+     * Converts a given date string into \DateTime object
+     *
+     * @param string $date windows azure date ins string represntation.
+     *
+     * @static
+     *
+     * @return \DateTime
+     */
+    public static function rfc1123ToDateTime($date)
+    {
+        $timeZone = new \DateTimeZone('GMT');
+        $format   = Resources::AZURE_DATE_FORMAT;
+
+        return \DateTime::createFromFormat($format, $date, $timeZone);
+    }
+
+    /**
+     * Generate ISO 8601 compliant date string in UTC time zone
+     *
+     * @param int $timestamp The unix timestamp to convert
+     *     (for DateTime check date_timestamp_get).
+     *
+     * @static
+     *
+     * @return string
+     */
+    public static function isoDate($timestamp = null)
+    {
+        $tz = date_default_timezone_get();
+        date_default_timezone_set('UTC');
+
+        if (is_null($timestamp)) {
+            $timestamp = time();
+        }
+
+        $returnValue = str_replace(
+            '+00:00', '.0000000Z', date('c', $timestamp)
+        );
+        date_default_timezone_set($tz);
+        return $returnValue;
+    }
+
+    /**
+     * Converts a DateTime object into an Edm.DaeTime value in UTC timezone,
+     * represented as a string.
+     *
+     * @param \DateTime $value The datetime value.
+     *
+     * @static
+     *
+     * @return string
+     */
+    public static function convertToEdmDateTime($value)
+    {
+        if (empty($value)) {
+            return $value;
+        }
+
+        if (is_string($value)) {
+            $value =  self::convertToDateTime($value);
+        }
+
+        Validate::isDate($value);
+
+        $cloned = clone $value;
+        $cloned->setTimezone(new \DateTimeZone('UTC'));
+        return str_replace('+0000', 'Z', $cloned->format("Y-m-d\TH:i:s.u0O"));
+    }
+
+    /**
+     * Converts a string to a \DateTime object. Returns false on failure.
+     *
+     * @param string $value The string value to parse.
+     *
+     * @static
+     *
+     * @return \DateTime
+     */
+    public static function convertToDateTime($value)
+    {
+        if ($value instanceof \DateTime) {
+            return $value;
+        }
+
+        if (substr($value, -1) == 'Z') {
+            $value = substr($value, 0, strlen($value) - 1);
+        }
+
+        return new \DateTime($value, new \DateTimeZone('UTC'));
+    }
+
+    /**
+     * Converts string to stream handle.
+     *
+     * @param type $string The string contents.
+     *
+     * @static
+     *
+     * @return resource
+     */
+    public static function stringToStream($string)
+    {
+        return fopen('data://text/plain,' . urlencode($string), 'rb');
+    }
+
+    /**
+     * Sorts an array based on given keys order.
+     *
+     * @param array $array The array to sort.
+     * @param array $order The keys order array.
+     *
+     * @return array
+     */
+    public static function orderArray($array, $order)
+    {
+        $ordered = array();
+
+        foreach ($order as $key) {
+            if (array_key_exists($key, $array)) {
+                $ordered[$key] = $array[$key];
+            }
+        }
+
+        return $ordered;
+    }
+
+    /**
+     * Checks if a value exists in an array. The comparison is done in a case
+     * insensitive manner.
+     *
+     * @param string $needle   The searched value.
+     * @param array  $haystack The array.
+     *
+     * @static
+     *
+     * @return boolean
+     */
+    public static function inArrayInsensitive($needle, $haystack)
+    {
+        return in_array(strtolower($needle), array_map('strtolower', $haystack));
+    }
+
+    /**
+     * Checks if the given key exists in the array. The comparison is done in a case
+     * insensitive manner.
+     *
+     * @param string $key    The value to check.
+     * @param array  $search The array with keys to check.
+     *
+     * @static
+     *
+     * @return boolean
+     */
+    public static function arrayKeyExistsInsensitive($key, $search)
+    {
+        return array_key_exists(strtolower($key), array_change_key_case($search));
+    }
+
+    /**
+     * Returns the specified value of the $key passed from $array and in case that
+     * this $key doesn't exist, the default value is returned. The key matching is
+     * done in a case insensitive manner.
+     *
+     * @param string $key      The array key.
+     * @param array  $haystack The array to be used.
+     * @param mix    $default  The value to return if $key is not found in $array.
+     *
+     * @static
+     *
+     * @return mix
+     */
+    public static function tryGetValueInsensitive($key, $haystack, $default = null)
+    {
+        $array = array_change_key_case($haystack);
+        return Utilities::tryGetValue($array, strtolower($key), $default);
+    }
+
+    /**
+     * Returns a string representation of a version 4 GUID, which uses random
+     * numbers.There are 6 reserved bits, and the GUIDs have this format:
+     *     xxxxxxxx-xxxx-4xxx-[8|9|a|b]xxx-xxxxxxxxxxxx
+     * where 'x' is a hexadecimal digit, 0-9a-f.
+     *
+     * See http://tools.ietf.org/html/rfc4122 for more information.
+     *
+     * Note: This function is available on all platforms, while the
+     * com_create_guid() is only available for Windows.
+     *
+     * @static
+     *
+     * @return string A new GUID.
+     */
+    public static function getGuid()
+    {
+        // @codingStandardsIgnoreStart
+
+        return sprintf(
+            '%04x%04x-%04x-%04x-%02x%02x-%04x%04x%04x',
+            mt_rand(0, 65535),
+            mt_rand(0, 65535),          // 32 bits for "time_low"
+            mt_rand(0, 65535),          // 16 bits for "time_mid"
+            mt_rand(0, 4096) + 16384,   // 16 bits for "time_hi_and_version", with
+                                        // the most significant 4 bits being 0100
+                                        // to indicate randomly generated version
+            mt_rand(0, 64) + 128,       // 8 bits  for "clock_seq_hi", with
+                                        // the most significant 2 bits being 10,
+                                        // required by version 4 GUIDs.
+            mt_rand(0, 256),            // 8 bits  for "clock_seq_low"
+            mt_rand(0, 65535),          // 16 bits for "node 0" and "node 1"
+            mt_rand(0, 65535),          // 16 bits for "node 2" and "node 3"
+            mt_rand(0, 65535)           // 16 bits for "node 4" and "node 5"
+        );
+
+        // @codingStandardsIgnoreEnd
+    }
+
+    /**
+     * Creates a list of objects of type $class from the provided array using static
+     * create method.
+     *
+     * @param array  $parsed The object in array representation
+     * @param string $class  The class name. Must have static method create.
+     *
+     * @static
+     *
+     * @return array
+     */
+    public static function createInstanceList($parsed, $class)
+    {
+        $list = array();
+
+        foreach ($parsed as $value) {
+            $list[] = $class::create($value);
+        }
+
+        return $list;
+    }
+
+    /**
+     * Takes a string and return if it ends with the specified character/string.
+     *
+     * @param string  $haystack   The string to search in.
+     * @param string  $needle     postfix to match.
+     * @param boolean $ignoreCase Set true to ignore case during the comparison;
+     * otherwise, false
+     *
+     * @static
+     *
+     * @return boolean
+     */
+    public static function endsWith($haystack, $needle, $ignoreCase = false)
+    {
+        if ($ignoreCase) {
+            $haystack = strtolower($haystack);
+            $needle   = strtolower($needle);
+        }
+        $length = strlen($needle);
+        if ($length == 0) {
+            return true;
+        }
+
+        return (substr($haystack, -$length) === $needle);
+    }
+
+    /**
+     * Get id from entity object or string.
+     * If entity is object than validate type and return $entity->$method()
+     * If entity is string than return this string
+     *
+     * @param object|string $entity Entity with id property
+     * @param string        $type   Entity type to validate
+     * @param string        $method Methods that gets id (getId by default)
+     *
+     * @return string
+     */
+    public static function getEntityId($entity, $type, $method = 'getId')
+    {
+        if (is_string($entity)) {
+            return $entity;
+        } else {
+            Validate::isA($entity, $type, 'entity');
+            Validate::methodExists($entity, $method, $type);
+
+            return $entity->$method();
+        }
+    }
+
+    /**
+     * Generate a pseudo-random string of bytes using a cryptographically strong 
+     * algorithm.
+     *
+     * @param int $length Length of the string in bytes
+     *
+     * @return string|boolean Generated string of bytes on success, or FALSE on 
+     *                        failure.
+     */
+    public static function generateCryptoKey($length)
+    {
+        return openssl_random_pseudo_bytes($length);
+    }
+    
+    
+    /**
+     * Encrypts $data with CTR encryption
+     * 
+     * @param string $data                 Data to be encrypted
+     * @param string $key                  AES Encryption key
+     * @param string $initializationVector Initialization vector
+     * 
+     * @return string Encrypted data
+     */
+    public static function ctrCrypt($data, $key, $initializationVector) 
+    {
+        Validate::isString($data, 'data');
+        Validate::isString($key, 'key');
+        Validate::isString($initializationVector, 'initializationVector');
+        
+        Validate::isTrue(
+            (strlen($key) == 16 || strlen($key) == 24 || strlen($key) == 32), 
+            sprintf(Resources::INVALID_STRING_LENGTH, 'key', '16, 24, 32')
+        );
+        
+        Validate::isTrue(
+            (strlen($initializationVector) == 16), 
+            sprintf(Resources::INVALID_STRING_LENGTH, 'initializationVector', '16')
+        );
+        
+        $blockCount = ceil(strlen($data) / 16);
+    
+        $ctrData = '';
+        for ($i = 0; $i < $blockCount; ++$i) {
+            $ctrData .= $initializationVector;
+    
+            // increment Initialization Vector
+            $j = 15;
+            do {
+                $digit                    = ord($initializationVector[$j]) + 1;
+                $initializationVector[$j] = chr($digit & 0xFF);
+                
+                $j--;
+            } while (($digit == 0x100) && ($j >= 0));
+        }
+    
+        $encryptCtrData = mcrypt_encrypt(
+            MCRYPT_RIJNDAEL_128, 
+            $key, 
+            $ctrData, 
+            MCRYPT_MODE_ECB
+        );
+        
+        return $data ^ $encryptCtrData;
+    }
+    
+    /**
+     * Convert base 256 number to decimal number. 
+     * 
+     * @param string $number Base 256 number
+     * 
+     * @return string Decimal number
+     */
+    public static function base256ToDec($number) 
+    {
+        Validate::isString($number, 'number');
+        
+        $result = 0;
+        $base   = 1;
+        for ($i = strlen($number) - 1; $i >= 0; $i--) {
+            $result = bcadd($result, bcmul(ord($number[$i]), $base));
+            $base   = bcmul($base, 256);
+        }
+    
+        return $result;
+    }
+
+    /**
+     * To evaluate if the stream is larger than a certain size. To restore
+     * the stream, it has to be seekable, so will return true if the stream
+     * is not seekable.
+     * @param  StreamInterface  $stream The stream to be evaluated.
+     * @param  int              $size   The size if the string is larger than.
+     *
+     * @return boolean         true if the stream is larger than the given size.
+     */
+    public static function isStreamLargerThanSizeOrNotSeekable($stream, $size)
+    {
+        Validate::isInteger($size, 'size');
+        Validate::isTrue(
+            $stream instanceof Stream,
+            sprintf(Resources::INVALID_PARAM_MSG, 'stream', 'Guzzle\Stream')
+        );
+        $result = true;
+        if ($stream->isSeekable()) {
+            $position = $stream->tell();
+            try {
+                $stream->seek($size);
+            } catch (\RuntimeException $e) {
+                $pos = strpos(
+                    $e->getMessage(),
+                    'to seek to stream position '
+                );
+                if ($pos == null) {
+                    throw $e;
+                }
+                $result = false;
+            }
+            if ($stream->eof()) {
+                $result = false;
+            } elseif ($stream->read(1) == '') {
+                $result = false;
+            }
+            $stream->seek($position);
+        }
+        return $result;
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Internal/Validate.php

@@ -0,0 +1,394 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Internal;
+
+use MicrosoftAzure\Storage\Common\Internal\InvalidArgumentTypeException;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+
+/**
+ * Validates aganist a condition and throws an exception in case of failure.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Internal
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Validate
+{
+    /**
+     * Throws exception if the provided variable type is not array.
+     *
+     * @param mix    $var  The variable to check.
+     * @param string $name The parameter name.
+     *
+     * @throws InvalidArgumentTypeException.
+     *
+     * @return none
+     */
+    public static function isArray($var, $name)
+    {
+        if (!is_array($var)) {
+            throw new InvalidArgumentTypeException(gettype(array()), $name);
+        }
+    }
+
+    /**
+     * Throws exception if the provided variable type is not string.
+     *
+     * @param mix    $var  The variable to check.
+     * @param string $name The parameter name.
+     *
+     * @throws InvalidArgumentTypeException
+     *
+     * @return none
+     */
+    public static function isString($var, $name)
+    {
+        try {
+            (string)$var;
+        } catch (\Exception $e) {
+            throw new InvalidArgumentTypeException(gettype(''), $name);
+        }
+    }
+
+    /**
+     * Throws exception if the provided variable type is not boolean.
+     *
+     * @param mix $var variable to check against.
+     *
+     * @throws InvalidArgumentTypeException
+     *
+     * @return none
+     */
+    public static function isBoolean($var)
+    {
+        (bool)$var;
+    }
+
+    /**
+     * Throws exception if the provided variable is set to null.
+     *
+     * @param mix    $var  The variable to check.
+     * @param string $name The parameter name.
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return none
+     */
+    public static function notNullOrEmpty($var, $name)
+    {
+        if (is_null($var) || empty($var)) {
+            throw new \InvalidArgumentException(
+                sprintf(Resources::NULL_OR_EMPTY_MSG, $name)
+            );
+        }
+    }
+
+    /**
+     * Throws exception if the provided variable is not double.
+     *
+     * @param mix    $var  The variable to check.
+     * @param string $name The parameter name.
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return none
+     */
+    public static function isDouble($var, $name)
+    {
+        if (!is_numeric($var)) {
+            throw new InvalidArgumentTypeException('double', $name);
+        }
+    }
+
+    /**
+     * Throws exception if the provided variable type is not integer.
+     *
+     * @param mix    $var  The variable to check.
+     * @param string $name The parameter name.
+     *
+     * @throws InvalidArgumentTypeException
+     *
+     * @return none
+     */
+    public static function isInteger($var, $name)
+    {
+        try {
+            (int)$var;
+        } catch (\Exception $e) {
+            throw new InvalidArgumentTypeException(gettype(123), $name);
+        }
+    }
+
+    /**
+     * Returns whether the variable is an empty or null string.
+     *
+     * @param string $var value.
+     *
+     * @return boolean
+     */
+    public static function isNullOrEmptyString($var)
+    {
+        try {
+            (string)$var;
+        } catch (\Exception $e) {
+            return false;
+        }
+
+        return (!isset($var) || trim($var)==='');
+    }
+
+    /**
+     * Throws exception if the provided condition is not satisfied.
+     *
+     * @param bool   $isSatisfied    condition result.
+     * @param string $failureMessage the exception message
+     *
+     * @throws \Exception
+     *
+     * @return none
+     */
+    public static function isTrue($isSatisfied, $failureMessage)
+    {
+        if (!$isSatisfied) {
+            throw new \InvalidArgumentException($failureMessage);
+        }
+    }
+
+    /**
+     * Throws exception if the provided $date is not of type \DateTime
+     *
+     * @param mix $date variable to check against.
+     *
+     * @throws MicrosoftAzure\Storage\Common\Internal\InvalidArgumentTypeException
+     *
+     * @return none
+     */
+    public static function isDate($date)
+    {
+        if (gettype($date) != 'object' || get_class($date) != 'DateTime') {
+            throw new InvalidArgumentTypeException('DateTime');
+        }
+    }
+
+    /**
+     * Throws exception if the provided variable is set to null.
+     *
+     * @param mix    $var  The variable to check.
+     * @param string $name The parameter name.
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return none
+     */
+    public static function notNull($var, $name)
+    {
+        if (is_null($var)) {
+            throw new \InvalidArgumentException(sprintf(Resources::NULL_MSG, $name));
+        }
+    }
+
+    /**
+     * Throws exception if the object is not of the specified class type.
+     *
+     * @param mixed  $objectInstance An object that requires class type validation.
+     * @param mixed  $classInstance  The instance of the class the the
+     * object instance should be.
+     * @param string $name           The name of the object.
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return none
+     */
+    public static function isInstanceOf($objectInstance, $classInstance, $name)
+    {
+        Validate::notNull($classInstance, 'classInstance');
+        if (is_null($objectInstance)) {
+            return true;
+        }
+
+        $objectType = gettype($objectInstance);
+        $classType  = gettype($classInstance);
+
+        if ($objectType === $classType) {
+            return true;
+        } else {
+            throw new \InvalidArgumentException(
+                sprintf(
+                    Resources::INSTANCE_TYPE_VALIDATION_MSG,
+                    $name,
+                    $objectType,
+                    $classType
+                )
+            );
+        }
+    }
+
+    /**
+     * Creates a anonymous function that check if the given uri is valid or not.
+     *
+     * @return callable
+     */
+    public static function getIsValidUri()
+    {
+        return function ($uri) {
+            return Validate::isValidUri($uri);
+        };
+    }
+
+    /**
+     * Throws exception if the string is not of a valid uri.
+     *
+     * @param string $uri String to check.
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return boolean
+     */
+    public static function isValidUri($uri)
+    {
+        $isValid = filter_var($uri, FILTER_VALIDATE_URL);
+
+        if ($isValid) {
+            return true;
+        } else {
+            throw new \RuntimeException(
+                sprintf(Resources::INVALID_CONFIG_URI, $uri)
+            );
+        }
+    }
+
+    /**
+     * Throws exception if the provided variable type is not object.
+     *
+     * @param mix    $var  The variable to check.
+     * @param string $name The parameter name.
+     *
+     * @throws InvalidArgumentTypeException.
+     *
+     * @return boolean
+     */
+    public static function isObject($var, $name)
+    {
+        if (!is_object($var)) {
+            throw new InvalidArgumentTypeException('object', $name);
+        }
+
+        return true;
+    }
+
+    /**
+     * Throws exception if the object is not of the specified class type.
+     *
+     * @param mixed  $objectInstance An object that requires class type validation.
+     * @param string $class          The class the object instance should be.
+     * @param string $name           The parameter name.
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return boolean
+     */
+    public static function isA($objectInstance, $class, $name)
+    {
+        Validate::isString($class, 'class');
+        Validate::notNull($objectInstance, 'objectInstance');
+        Validate::isObject($objectInstance, 'objectInstance');
+
+        $objectType = get_class($objectInstance);
+
+        if (is_a($objectInstance, $class)) {
+            return true;
+        } else {
+            throw new \InvalidArgumentException(
+                sprintf(
+                    Resources::INSTANCE_TYPE_VALIDATION_MSG,
+                    $name,
+                    $objectType,
+                    $class
+                )
+            );
+        }
+    }
+
+    /**
+     * Validate if method exists in object
+     *
+     * @param object $objectInstance An object that requires method existing
+     *                               validation
+     * @param string $method         Method name
+     * @param string $name           The parameter name
+     *
+     * @return boolean
+     */
+    public static function methodExists($objectInstance, $method, $name)
+    {
+        Validate::isString($method, 'method');
+        Validate::notNull($objectInstance, 'objectInstance');
+        Validate::isObject($objectInstance, 'objectInstance');
+
+        if (method_exists($objectInstance, $method)) {
+            return true;
+        } else {
+            throw new \InvalidArgumentException(
+                sprintf(
+                    Resources::ERROR_METHOD_NOT_FOUND,
+                    $method,
+                    $name
+                )
+            );
+        }
+    }
+
+    /**
+     * Validate if string is date formatted
+     *
+     * @param string $value Value to validate
+     * @param string $name  Name of parameter to insert in erro message
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return boolean
+     */
+    public static function isDateString($value, $name)
+    {
+        Validate::isString($value, 'value');
+
+        try {
+            new \DateTime($value);
+            return true;
+        } catch (\Exception $e) {
+            throw new \InvalidArgumentException(
+                sprintf(
+                    Resources::ERROR_INVALID_DATE_STRING,
+                    $name,
+                    $value
+                )
+            );
+        }
+    }
+}

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Models/GetServicePropertiesResult.php

@@ -0,0 +1,81 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common\Models;
+use MicrosoftAzure\Storage\Common\Models\ServiceProperties;
+
+/**
+ * Result from calling GetQueueProperties REST wrapper.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class GetServicePropertiesResult
+{
+    private $_serviceProperties;
+    
+    /**
+     * Creates object from $parsedResponse.
+     * 
+     * @param array $parsedResponse XML response parsed into array.
+     * 
+     * @return MicrosoftAzure\Storage\Common\Models\GetServicePropertiesResult
+     */
+    public static function create($parsedResponse)
+    {
+        $result                     = new GetServicePropertiesResult();
+        $result->_serviceProperties = ServiceProperties::create($parsedResponse);
+        
+        return $result;
+    }
+    
+    /**
+     * Gets service properties object.
+     * 
+     * @return MicrosoftAzure\Storage\Common\Models\ServiceProperties 
+     */
+    public function getValue()
+    {
+        return $this->_serviceProperties;
+    }
+    
+    /**
+     * Sets service properties object.
+     * 
+     * @param ServiceProperties $serviceProperties object to use.
+     * 
+     * @return none 
+     */
+    public function setValue($serviceProperties)
+    {
+        $this->_serviceProperties = clone $serviceProperties;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Models/Logging.php

@@ -0,0 +1,229 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Models;
+use MicrosoftAzure\Storage\Common\Models\RetentionPolicy;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds elements of queue properties logging field.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Logging
+{
+    /**
+     * The version of Storage Analytics to configure
+     * 
+     * @var string
+     */
+    private $_version;
+    
+    /**
+     * Applies only to logging configuration. Indicates whether all delete requests 
+     * should be logged.
+     * 
+     * @var bool
+     */
+    private $_delete;
+    
+    /**
+     * Applies only to logging configuration. Indicates whether all read requests 
+     * should be logged.
+     * 
+     * @var bool.
+     */
+    private $_read;
+    
+    /**
+     * Applies only to logging configuration. Indicates whether all write requests 
+     * should be logged.
+     * 
+     * @var bool 
+     */
+    private $_write;
+    
+    /**
+     * @var MicrosoftAzure\Storage\Common\Models\RetentionPolicy
+     */
+    private $_retentionPolicy;
+    
+    /**
+     * Creates object from $parsedResponse.
+     * 
+     * @param array $parsedResponse XML response parsed into array.
+     * 
+     * @return MicrosoftAzure\Storage\Common\Models\Logging
+     */
+    public static function create($parsedResponse)
+    {
+        $result = new Logging();
+        $result->setVersion($parsedResponse['Version']);
+        $result->setDelete(Utilities::toBoolean($parsedResponse['Delete']));
+        $result->setRead(Utilities::toBoolean($parsedResponse['Read']));
+        $result->setWrite(Utilities::toBoolean($parsedResponse['Write']));
+        $result->setRetentionPolicy(
+            RetentionPolicy::create($parsedResponse['RetentionPolicy'])
+        );
+        
+        return $result;
+    }
+    
+    /**
+     * Gets retention policy
+     * 
+     * @return MicrosoftAzure\Storage\Common\Models\RetentionPolicy
+     *  
+     */
+    public function getRetentionPolicy()
+    {
+        return $this->_retentionPolicy;
+    }
+    
+    /**
+     * Sets retention policy
+     * 
+     * @param RetentionPolicy $policy object to use
+     * 
+     * @return none.
+     */
+    public function setRetentionPolicy($policy)
+    {
+        $this->_retentionPolicy = $policy;
+    }
+    
+    /**
+     * Gets write
+     * 
+     * @return bool.
+     */
+    public function getWrite()
+    {
+        return $this->_write;
+    }
+    
+    /**
+     * Sets write
+     * 
+     * @param bool $write new value.
+     * 
+     * @return none.
+     */
+    public function setWrite($write)
+    {
+        $this->_write = $write;
+    }
+            
+    /**
+     * Gets read
+     * 
+     * @return bool.
+     */
+    public function getRead()
+    {
+        return $this->_read;
+    }
+    
+    /**
+     * Sets read
+     * 
+     * @param bool $read new value.
+     * 
+     * @return none.
+     */
+    public function setRead($read)
+    {
+        $this->_read = $read;
+    }
+    
+    /**
+     * Gets delete
+     * 
+     * @return bool.
+     */
+    public function getDelete()
+    {
+        return $this->_delete;
+    }
+    
+    /**
+     * Sets delete
+     * 
+     * @param bool $delete new value.
+     * 
+     * @return none.
+     */
+    public function setDelete($delete)
+    {
+        $this->_delete = $delete;
+    }
+    
+    /**
+     * Gets version
+     * 
+     * @return string.
+     */
+    public function getVersion()
+    {
+        return $this->_version;
+    }
+    
+    /**
+     * Sets version
+     * 
+     * @param string $version new value.
+     * 
+     * @return none.
+     */
+    public function setVersion($version)
+    {
+        $this->_version = $version;
+    }
+    
+    /**
+     * Converts this object to array with XML tags
+     * 
+     * @return array. 
+     */
+    public function toArray()
+    {
+        return array(
+            'Version'         => $this->_version,
+            'Delete'          => Utilities::booleanToString($this->_delete),
+            'Read'            => Utilities::booleanToString($this->_read),
+            'Write'           => Utilities::booleanToString($this->_write),
+            'RetentionPolicy' => !empty($this->_retentionPolicy)
+                ? $this->_retentionPolicy->toArray()
+                : null
+        );
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Models/Metrics.php

@@ -0,0 +1,202 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Models;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds elements of queue properties metrics field.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class Metrics
+{
+    /**
+     * The version of Storage Analytics to configure
+     * 
+     * @var string
+     */
+    private $_version;
+    
+    /**
+     * Indicates whether metrics is enabled for the storage service
+     * 
+     * @var bool
+     */
+    private $_enabled;
+    
+    /**
+     * Indicates whether a retention policy is enabled for the storage service
+     * 
+     * @var bool
+     */
+    private $_includeAPIs;
+    
+    /**
+     * @var MicrosoftAzure\Storage\Common\Models\RetentionPolicy
+     */
+    private $_retentionPolicy;
+    
+    /**
+     * Creates object from $parsedResponse.
+     * 
+     * @param array $parsedResponse XML response parsed into array.
+     * 
+     * @return MicrosoftAzure\Storage\Common\Models\Metrics
+     */
+    public static function create($parsedResponse)
+    {
+        $result = new Metrics();
+        $result->setVersion($parsedResponse['Version']);
+        $result->setEnabled(Utilities::toBoolean($parsedResponse['Enabled']));
+        if ($result->getEnabled()) {
+            $result->setIncludeAPIs(
+                Utilities::toBoolean($parsedResponse['IncludeAPIs'])
+            );
+        }
+        $result->setRetentionPolicy(
+            RetentionPolicy::create($parsedResponse['RetentionPolicy'])
+        );
+        
+        return $result;
+    }
+    
+    /**
+     * Gets retention policy
+     * 
+     * @return MicrosoftAzure\Storage\Common\Models\RetentionPolicy
+     *  
+     */
+    public function getRetentionPolicy()
+    {
+        return $this->_retentionPolicy;
+    }
+    
+    /**
+     * Sets retention policy
+     * 
+     * @param RetentionPolicy $policy object to use
+     * 
+     * @return none.
+     */
+    public function setRetentionPolicy($policy)
+    {
+        $this->_retentionPolicy = $policy;
+    }
+    
+    /**
+     * Gets include APIs.
+     * 
+     * @return bool. 
+     */
+    public function getIncludeAPIs()
+    {
+        return $this->_includeAPIs;
+    }
+    
+    /**
+     * Sets include APIs.
+     * 
+     * @param $bool $includeAPIs value to use.
+     * 
+     * @return none. 
+     */
+    public function setIncludeAPIs($includeAPIs)
+    {
+        $this->_includeAPIs = $includeAPIs;
+    }
+    
+    /**
+     * Gets enabled.
+     * 
+     * @return bool. 
+     */
+    public function getEnabled()
+    {
+        return $this->_enabled;
+    }
+    
+    /**
+     * Sets enabled.
+     * 
+     * @param bool $enabled value to use.
+     * 
+     * @return none. 
+     */
+    public function setEnabled($enabled)
+    {
+        $this->_enabled = $enabled;
+    }
+    
+    /**
+     * Gets version
+     * 
+     * @return string.
+     */
+    public function getVersion()
+    {
+        return $this->_version;
+    }
+    
+    /**
+     * Sets version
+     * 
+     * @param string $version new value.
+     * 
+     * @return none.
+     */
+    public function setVersion($version)
+    {
+        $this->_version = $version;
+    }
+    
+    /**
+     * Converts this object to array with XML tags
+     * 
+     * @return array. 
+     */
+    public function toArray()
+    {
+        $array = array(
+            'Version' => $this->_version,
+            'Enabled' => Utilities::booleanToString($this->_enabled)
+        );
+        if ($this->_enabled) {
+            $array['IncludeAPIs'] = Utilities::booleanToString($this->_includeAPIs);
+        }
+        $array['RetentionPolicy'] = !empty($this->_retentionPolicy)
+            ? $this->_retentionPolicy->toArray()
+            : null;
+        
+        return $array;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Models/RetentionPolicy.php

@@ -0,0 +1,136 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Models;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+
+/**
+ * Holds elements of queue properties retention policy field.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class RetentionPolicy
+{
+    /**
+     * Indicates whether a retention policy is enabled for the storage service
+     * 
+     * @var bool.
+     */
+    private $_enabled;
+    
+    /**
+     * If $_enabled is true then this field indicates the number of days that metrics
+     * or logging data should be retained. All data older than this value will be 
+     * deleted. The minimum value you can specify is 1; 
+     * the largest value is 365 (one year)
+     * 
+     * @var int
+     */
+    private $_days;
+    
+    /**
+     * Creates object from $parsedResponse.
+     * 
+     * @param array $parsedResponse XML response parsed into array.
+     * 
+     * @return MicrosoftAzure\Storage\Common\Models\RetentionPolicy
+     */
+    public static function create($parsedResponse)
+    {
+        $result = new RetentionPolicy();
+        $result->setEnabled(Utilities::toBoolean($parsedResponse['Enabled']));
+        if ($result->getEnabled()) {
+            $result->setDays(intval($parsedResponse['Days']));
+        }
+        
+        return $result;
+    }
+    
+    /**
+     * Gets enabled.
+     * 
+     * @return bool. 
+     */
+    public function getEnabled()
+    {
+        return $this->_enabled;
+    }
+    
+    /**
+     * Sets enabled.
+     * 
+     * @param bool $enabled value to use.
+     * 
+     * @return none. 
+     */
+    public function setEnabled($enabled)
+    {
+        $this->_enabled = $enabled;
+    }
+    
+    /**
+     * Gets days field.
+     * 
+     * @return int
+     */
+    public function getDays()
+    {
+        return $this->_days;
+    }
+    
+    /**
+     * Sets days field.
+     * 
+     * @param int $days value to use.
+     * 
+     * @return none
+     */
+    public function setDays($days)
+    {
+        $this->_days = $days;
+    }
+    
+    /**
+     * Converts this object to array with XML tags
+     * 
+     * @return array. 
+     */
+    public function toArray()
+    {
+        $array = array('Enabled' => Utilities::booleanToString($this->_enabled));
+        if (isset($this->_days)) {
+            $array['Days'] = strval($this->_days);
+        }
+        
+        return $array;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/Models/ServiceProperties.php

@@ -0,0 +1,136 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common\Models;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Models\Logging;
+use MicrosoftAzure\Storage\Common\Models\Metrics;
+use MicrosoftAzure\Storage\Common\Internal\Serialization\XmlSerializer;
+
+/**
+ * Encapsulates service properties
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common\Models
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ServiceProperties
+{
+    private $_logging;
+    private $_metrics;
+    public static $xmlRootName = 'StorageServiceProperties';
+    
+    /**
+     * Creates ServiceProperties object from parsed XML response.
+     *
+     * @param array $parsedResponse XML response parsed into array.
+     * 
+     * @return MicrosoftAzure\Storage\Common\Models\ServiceProperties.
+     */
+    public static function create($parsedResponse)
+    {
+        $result = new ServiceProperties();
+        $result->setLogging(Logging::create($parsedResponse['Logging']));
+        $result->setMetrics(Metrics::create($parsedResponse['HourMetrics']));
+        
+        return $result;
+    }
+    
+    /**
+     * Gets logging element.
+     *
+     * @return MicrosoftAzure\Storage\Common\Models\Logging.
+     */
+    public function getLogging()
+    {
+        return $this->_logging;
+    }
+    
+    /**
+     * Sets logging element.
+     *
+     * @param MicrosoftAzure\Storage\Common\Models\Logging $logging new element.
+     * 
+     * @return none.
+     */
+    public function setLogging($logging)
+    {
+        $this->_logging = clone $logging;
+    }
+    
+    /**
+     * Gets metrics element.
+     *
+     * @return MicrosoftAzure\Storage\Common\Models\Metrics.
+     */
+    public function getMetrics()
+    {
+        return $this->_metrics;
+    }
+    
+    /**
+     * Sets metrics element.
+     *
+     * @param MicrosoftAzure\Storage\Common\Models\Metrics $metrics new element.
+     * 
+     * @return none.
+     */
+    public function setMetrics($metrics)
+    {
+        $this->_metrics = clone $metrics;
+    }
+    
+    /**
+     * Converts this object to array with XML tags
+     * 
+     * @return array. 
+     */
+    public function toArray()
+    {
+        return array(
+            'Logging' => !empty($this->_logging) ? $this->_logging->toArray() : null,
+            'HourMetrics' => !empty($this->_metrics) ? $this->_metrics->toArray() : null
+        );
+    }
+    
+    /**
+     * Converts this current object to XML representation.
+     * 
+     * @param XmlSerializer $xmlSerializer The XML serializer.
+     * 
+     * @return string
+     */
+    public function toXml($xmlSerializer)
+    {
+        $properties = array(XmlSerializer::ROOT_NAME => self::$xmlRootName);
+        
+        return $xmlSerializer->serialize($this->toArray(), $properties);
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/ServiceException.php

@@ -0,0 +1,84 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+ 
+namespace MicrosoftAzure\Storage\Common;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+
+/**
+ * Fires when the response code is incorrect.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ServiceException extends \LogicException
+{
+    private $_error;
+    private $_reason;
+    
+    /**
+     * Constructor
+     *
+     * @param string $errorCode status error code.
+     * @param string $error     string value of the error code.
+     * @param string $reason    detailed message for the error.
+     * 
+     * @return MicrosoftAzure\Storage\Common\ServiceException
+     */
+    public function __construct($errorCode, $error = null, $reason = null)
+    {
+        parent::__construct(
+            sprintf(Resources::AZURE_ERROR_MSG, $errorCode, $error, $reason)
+        );
+        $this->code    = $errorCode;
+        $this->_error  = $error;
+        $this->_reason = $reason;
+    }
+    
+    /**
+     * Gets error text.
+     *
+     * @return string
+     */
+    public function getErrorText()
+    {
+        return $this->_error;
+    }
+    
+    /**
+     * Gets detailed error reason.
+     *
+     * @return string
+     */
+    public function getErrorReason()
+    {
+        return $this->_reason;
+    }
+}
+
+

wp-content/plugins/w3-total-cache/lib/Azure/MicrosoftAzureStorage/Common/ServicesBuilder.php

@@ -0,0 +1,325 @@
+<?php
+
+/**
+ * LICENSE: The MIT License (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://github.com/azure/azure-storage-php/LICENSE
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * PHP version 5
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @link      https://github.com/azure/azure-storage-php
+ */
+
+namespace MicrosoftAzure\Storage\Common;
+
+use MicrosoftAzure\Storage\Blob\BlobRestProxy;
+use MicrosoftAzure\Storage\Common\Internal\Resources;
+use MicrosoftAzure\Storage\Common\Internal\Validate;
+use MicrosoftAzure\Storage\Common\Internal\Utilities;
+use MicrosoftAzure\Storage\Common\Internal\Filters\DateFilter;
+use MicrosoftAzure\Storage\Common\Internal\Filters\HeadersFilter;
+use MicrosoftAzure\Storage\Common\Internal\Filters\AuthenticationFilter;
+use MicrosoftAzure\Storage\Common\Internal\InvalidArgumentTypeException;
+use MicrosoftAzure\Storage\Common\Internal\Serialization\XmlSerializer;
+use MicrosoftAzure\Storage\Common\Internal\Authentication\SharedKeyAuthScheme;
+use MicrosoftAzure\Storage\Common\Internal\Authentication\TableSharedKeyLiteAuthScheme;
+use MicrosoftAzure\Storage\Common\Internal\StorageServiceSettings;
+use MicrosoftAzure\Storage\Queue\QueueRestProxy;
+use MicrosoftAzure\Storage\Table\TableRestProxy;
+use MicrosoftAzure\Storage\Table\Internal\AtomReaderWriter;
+use MicrosoftAzure\Storage\Table\Internal\MimeReaderWriter;
+
+/**
+ * Builds azure service objects.
+ *
+ * @category  Microsoft
+ * @package   MicrosoftAzure\Storage\Common
+ * @author    Azure Storage PHP SDK <dmsh@microsoft.com>
+ * @copyright 2016 Microsoft Corporation
+ * @license   https://github.com/azure/azure-storage-php/LICENSE
+ * @version   Release: 0.11.0
+ * @link      https://github.com/azure/azure-storage-php
+ */
+class ServicesBuilder
+{
+    /**
+     * @var ServicesBuilder
+     */
+    private static $_instance = null;
+
+    /**
+     * Gets the serializer used in the REST services construction.
+     *
+     * @return MicrosoftAzure\Storage\Common\Internal\Serialization\ISerializer
+     */
+    protected function serializer()
+    {
+        return new XmlSerializer();
+    }
+
+    /**
+     * Gets the MIME serializer used in the REST services construction.
+     *
+     * @return \MicrosoftAzure\Storage\Table\Internal\IMimeReaderWriter
+     */
+    protected function mimeSerializer()
+    {
+        return new MimeReaderWriter();
+    }
+
+    /**
+     * Gets the Atom serializer used in the REST services construction.
+     *
+     * @return \MicrosoftAzure\Storage\Table\Internal\IAtomReaderWriter
+     */
+    protected function atomSerializer()
+    {
+        return new AtomReaderWriter();
+    }
+
+    /**
+     * Gets the Queue authentication scheme.
+     *
+     * @param string $accountName The account name.
+     * @param string $accountKey  The account key.
+     *
+     * @return \MicrosoftAzure\Storage\Common\Internal\Authentication\StorageAuthScheme
+     */
+    protected function queueAuthenticationScheme($accountName, $accountKey)
+    {
+        return new SharedKeyAuthScheme($accountName, $accountKey);
+    }
+
+    /**
+     * Gets the Blob authentication scheme.
+     *
+     * @param string $accountName The account name.
+     * @param string $accountKey  The account key.
+     *
+     * @return \MicrosoftAzure\Storage\Common\Internal\Authentication\StorageAuthScheme
+     */
+    protected function blobAuthenticationScheme($accountName, $accountKey)
+    {
+        return new SharedKeyAuthScheme($accountName, $accountKey);
+    }
+
+    /**
+     * Gets the Table authentication scheme.
+     *
+     * @param string $accountName The account name.
+     * @param string $accountKey  The account key.
+     *
+     * @return TableSharedKeyLiteAuthScheme
+     */
+    protected function tableAuthenticationScheme($accountName, $accountKey)
+    {
+        return new TableSharedKeyLiteAuthScheme($accountName, $accountKey);
+    }
+
+    /**
+     * Builds a queue object.
+     *
+     * @param string $connectionString The configuration connection string.
+     * @param array  $options          Array of options to pass to the service
+     *
+     * @return \MicrosoftAzure\Storage\Queue\Internal\IQueue
+     */
+    public function createQueueService($connectionString, $options = [])
+    {
+        $settings = StorageServiceSettings::createFromConnectionString(
+            $connectionString
+        );
+
+        $serializer = $this->serializer();
+        $uri        = Utilities::tryAddUrlScheme(
+            $settings->getQueueEndpointUri()
+        );
+
+        $queueWrapper = new QueueRestProxy(
+            $uri,
+            $settings->getName(),
+            $serializer,
+            $options
+        );
+
+        // Adding headers filter
+        $headers = array(
+            Resources::USER_AGENT => self::getUserAgent(),
+        );
+
+        $headers[Resources::X_MS_VERSION] = Resources::STORAGE_API_LATEST_VERSION;
+
+        $headersFilter = new HeadersFilter($headers);
+        $queueWrapper  = $queueWrapper->withFilter($headersFilter);
+
+        // Adding date filter
+        $dateFilter   = new DateFilter();
+        $queueWrapper = $queueWrapper->withFilter($dateFilter);
+
+        // Adding authentication filter
+        $authFilter = new AuthenticationFilter(
+            $this->queueAuthenticationScheme(
+                $settings->getName(),
+                $settings->getKey()
+            )
+        );
+
+        $queueWrapper = $queueWrapper->withFilter($authFilter);
+
+        return $queueWrapper;
+    }
+
+    /**
+     * Builds a blob object.
+     *
+     * @param string $connectionString The configuration connection string.
+     * @param array  $options          Array of options to pass to the service
+     * @return \MicrosoftAzure\Storage\Blob\Internal\IBlob
+     */
+    public function createBlobService($connectionString, $options = [])
+    {
+        $settings = StorageServiceSettings::createFromConnectionString(
+            $connectionString
+        );
+
+        $serializer = $this->serializer();
+        $uri        = Utilities::tryAddUrlScheme(
+            $settings->getBlobEndpointUri()
+        );
+
+        $blobWrapper = new BlobRestProxy(
+            $uri,
+            $settings->getName(),
+            $serializer,
+            $options
+        );
+
+        // Adding headers filter
+        $headers = array(
+            Resources::USER_AGENT => self::getUserAgent(),
+        );
+
+        $headers[Resources::X_MS_VERSION] = Resources::STORAGE_API_LATEST_VERSION;
+
+        $headersFilter = new HeadersFilter($headers);
+        $blobWrapper   = $blobWrapper->withFilter($headersFilter);
+
+        // Adding date filter
+        $dateFilter  = new DateFilter();
+        $blobWrapper = $blobWrapper->withFilter($dateFilter);
+
+        $authFilter = new AuthenticationFilter(
+            $this->blobAuthenticationScheme(
+                $settings->getName(),
+                $settings->getKey()
+            )
+        );
+
+        $blobWrapper = $blobWrapper->withFilter($authFilter);
+
+        return $blobWrapper;
+    }
+
+    /**
+     * Builds a table object.
+     *
+     * @param string $connectionString The configuration connection string.
+     * @param array  $options          Array of options to pass to the service
+     *
+     * @return \MicrosoftAzure\Storage\Table\Internal\ITable
+     */
+    public function createTableService($connectionString, $options = [])
+    {
+        $settings = StorageServiceSettings::createFromConnectionString(
+            $connectionString
+        );
+
+        $atomSerializer = $this->atomSerializer();
+        $mimeSerializer = $this->mimeSerializer();
+        $serializer     = $this->serializer();
+        $uri            = Utilities::tryAddUrlScheme(
+            $settings->getTableEndpointUri()
+        );
+
+        $tableWrapper = new TableRestProxy(
+            $uri,
+            $atomSerializer,
+            $mimeSerializer,
+            $serializer,
+            $options
+        );
+
+        // Adding headers filter
+        $headers               = array();
+        $latestServicesVersion = Resources::STORAGE_API_LATEST_VERSION;
+        $currentVersion        = Resources::DATA_SERVICE_VERSION_VALUE;
+        $maxVersion            = Resources::MAX_DATA_SERVICE_VERSION_VALUE;
+        $accept                = Resources::ACCEPT_HEADER_VALUE;
+        $acceptCharset         = Resources::ACCEPT_CHARSET_VALUE;
+        $userAgent             = self::getUserAgent();
+
+        $headers[Resources::X_MS_VERSION]             = $latestServicesVersion;
+        $headers[Resources::DATA_SERVICE_VERSION]     = $currentVersion;
+        $headers[Resources::MAX_DATA_SERVICE_VERSION] = $maxVersion;
+        $headers[Resources::MAX_DATA_SERVICE_VERSION] = $maxVersion;
+        $headers[Resources::ACCEPT_HEADER]            = $accept;
+        $headers[Resources::ACCEPT_CHARSET]           = $acceptCharset;
+        $headers[Resources::USER_AGENT]               = $userAgent;
+
+        $headersFilter = new HeadersFilter($headers);
+        $tableWrapper  = $tableWrapper->withFilter($headersFilter);
+
+        // Adding date filter
+        $dateFilter   = new DateFilter();
+        $tableWrapper = $tableWrapper->withFilter($dateFilter);
+
+        // Adding authentication filter
+        $authFilter = new AuthenticationFilter(
+            $this->tableAuthenticationScheme(
+                $settings->getName(),
+                $settings->getKey()
+            )
+        );
+
+        $tableWrapper = $tableWrapper->withFilter($authFilter);
+
+        return $tableWrapper;
+    }
+
+    /**
+     * Gets the user agent string used in request header.
+     *
+     * @return string
+     */
+    private static function getUserAgent()
+    {
+        // e.g. User-Agent: Azure-Storage/0.10.0 (PHP 5.5.32)
+        return 'Azure-Storage/' . Resources::SDK_VERSION . ' (PHP ' . PHP_VERSION . ')';
+    }
+
+    /**
+     * Gets the static instance of this class.
+     *
+     * @return ServicesBuilder
+     */
+    public static function getInstance()
+    {
+        if (!isset(self::$_instance)) {
+            self::$_instance = new ServicesBuilder();
+        }
+
+        return self::$_instance;
+    }
+}