Initial commit

wp-content/plugins/wp-mail-smtp/vendor/google/auth/src/Cache/InvalidArgumentException.php

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+<?php
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+
+namespace Google\Auth\Cache;
+
+use Psr\Cache\InvalidArgumentException as PsrInvalidArgumentException;
+
+class InvalidArgumentException extends \InvalidArgumentException implements PsrInvalidArgumentException
+{
+}

wp-content/plugins/wp-mail-smtp/vendor/google/auth/src/Cache/Item.php

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+<?php
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+
+namespace Google\Auth\Cache;
+
+use Psr\Cache\CacheItemInterface;
+
+/**
+ * A cache item.
+ */
+final class Item implements CacheItemInterface
+{
+    /**
+     * @var string
+     */
+    private $key;
+
+    /**
+     * @var mixed
+     */
+    private $value;
+
+    /**
+     * @var \DateTime|null
+     */
+    private $expiration;
+
+    /**
+     * @var bool
+     */
+    private $isHit = false;
+
+    /**
+     * @param string $key
+     */
+    public function __construct($key)
+    {
+        $this->key = $key;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getKey()
+    {
+        return $this->key;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function get()
+    {
+        return $this->isHit() ? $this->value : null;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isHit()
+    {
+        if (!$this->isHit) {
+            return false;
+        }
+
+        if ($this->expiration === null) {
+            return true;
+        }
+
+        return $this->currentTime()->getTimestamp() < $this->expiration->getTimestamp();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function set($value)
+    {
+        $this->isHit = true;
+        $this->value = $value;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function expiresAt($expiration)
+    {
+        if ($this->isValidExpiration($expiration)) {
+            $this->expiration = $expiration;
+
+            return $this;
+        }
+
+        $implementationMessage = interface_exists('DateTimeInterface')
+            ? 'implement interface DateTimeInterface'
+            : 'be an instance of DateTime';
+
+        $error = sprintf(
+            'Argument 1 passed to %s::expiresAt() must %s, %s given',
+            get_class($this),
+            $implementationMessage,
+            gettype($expiration)
+        );
+
+        $this->handleError($error);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function expiresAfter($time)
+    {
+        if (is_int($time)) {
+            $this->expiration = $this->currentTime()->add(new \DateInterval("PT{$time}S"));
+        } elseif ($time instanceof \DateInterval) {
+            $this->expiration = $this->currentTime()->add($time);
+        } elseif ($time === null) {
+            $this->expiration = $time;
+        } else {
+            $message = 'Argument 1 passed to %s::expiresAfter() must be an ' .
+                       'instance of DateInterval or of the type integer, %s given';
+            $error = sprintf($message, get_class($this), gettype($time));
+
+            $this->handleError($error);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Handles an error.
+     *
+     * @param string $error
+     * @throws \TypeError
+     */
+    private function handleError($error)
+    {
+        if (class_exists('TypeError')) {
+            throw new \TypeError($error);
+        }
+
+        trigger_error($error, E_USER_ERROR);
+    }
+
+    /**
+     * Determines if an expiration is valid based on the rules defined by PSR6.
+     *
+     * @param mixed $expiration
+     * @return bool
+     */
+    private function isValidExpiration($expiration)
+    {
+        if ($expiration === null) {
+            return true;
+        }
+
+        // We test for two types here due to the fact the DateTimeInterface
+        // was not introduced until PHP 5.5. Checking for the DateTime type as
+        // well allows us to support 5.4.
+        if ($expiration instanceof \DateTimeInterface) {
+            return true;
+        }
+
+        if ($expiration instanceof \DateTime) {
+            return true;
+        }
+
+        return false;
+    }
+
+    protected function currentTime()
+    {
+        return new \DateTime('now', new \DateTimeZone('UTC'));
+    }
+}

wp-content/plugins/wp-mail-smtp/vendor/google/auth/src/Cache/MemoryCacheItemPool.php

@@ -0,0 +1,154 @@
+<?php
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+
+namespace Google\Auth\Cache;
+
+use Psr\Cache\CacheItemInterface;
+use Psr\Cache\CacheItemPoolInterface;
+
+/**
+ * Simple in-memory cache implementation.
+ */
+final class MemoryCacheItemPool implements CacheItemPoolInterface
+{
+    /**
+     * @var CacheItemInterface[]
+     */
+    private $items;
+
+    /**
+     * @var CacheItemInterface[]
+     */
+    private $deferredItems;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getItem($key)
+    {
+        return current($this->getItems([$key]));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getItems(array $keys = [])
+    {
+        $items = [];
+
+        foreach ($keys as $key) {
+            $items[$key] = $this->hasItem($key) ? clone $this->items[$key] : new Item($key);
+        }
+
+        return $items;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasItem($key)
+    {
+        $this->isValidKey($key);
+
+        return isset($this->items[$key]) && $this->items[$key]->isHit();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function clear()
+    {
+        $this->items = [];
+        $this->deferredItems = [];
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function deleteItem($key)
+    {
+        return $this->deleteItems([$key]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function deleteItems(array $keys)
+    {
+        array_walk($keys, [$this, 'isValidKey']);
+
+        foreach ($keys as $key) {
+            unset($this->items[$key]);
+        }
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function save(CacheItemInterface $item)
+    {
+        $this->items[$item->getKey()] = $item;
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function saveDeferred(CacheItemInterface $item)
+    {
+        $this->deferredItems[$item->getKey()] = $item;
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function commit()
+    {
+        foreach ($this->deferredItems as $item) {
+            $this->save($item);
+        }
+
+        $this->deferredItems = [];
+
+        return true;
+    }
+
+    /**
+     * Determines if the provided key is valid.
+     *
+     * @param string $key
+     * @return bool
+     * @throws InvalidArgumentException
+     */
+    private function isValidKey($key)
+    {
+        $invalidCharacters = '{}()/\\\\@:';
+
+        if (!is_string($key) || preg_match("#[$invalidCharacters]#", $key)) {
+            throw new InvalidArgumentException('The provided key is not valid: ' . var_export($key, true));
+        }
+
+        return true;
+    }
+}

wp-content/plugins/wp-mail-smtp/vendor/google/auth/src/Cache/SysVCacheItemPool.php

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+<?php
+/**
+ * Copyright 2018 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+namespace Google\Auth\Cache;
+
+use Psr\Cache\CacheItemInterface;
+use Psr\Cache\CacheItemPoolInterface;
+
+/**
+ * SystemV shared memory based CacheItemPool implementation.
+ *
+ * This CacheItemPool implementation can be used among multiple processes, but
+ * it doesn't provide any locking mechanism. If multiple processes write to
+ * this ItemPool, you have to avoid race condition manually in your code.
+ */
+class SysVCacheItemPool implements CacheItemPoolInterface
+{
+    const VAR_KEY = 1;
+
+    const DEFAULT_PROJ = 'A';
+
+    const DEFAULT_MEMSIZE = 10000;
+
+    const DEFAULT_PERM = 0600;
+
+    /** @var int */
+    private $sysvKey;
+
+    /**
+     * @var CacheItemInterface[]
+     */
+    private $items;
+
+    /**
+     * @var CacheItemInterface[]
+     */
+    private $deferredItems;
+
+    /**
+     * @var array
+     */
+    private $options;
+
+    /*
+     * @var bool
+     */
+    private $hasLoadedItems = false;
+
+    /**
+     * Create a SystemV shared memory based CacheItemPool.
+     *
+     * @param array $options [optional] {
+     *     Configuration options.
+     *
+     *     @type int $variableKey The variable key for getting the data from
+     *           the shared memory. **Defaults to** 1.
+     *     @type string $proj The project identifier for ftok. This needs to
+     *           be a one character string. **Defaults to** 'A'.
+     *     @type int $memsize The memory size in bytes for shm_attach.
+     *           **Defaults to** 10000.
+     *     @type int $perm The permission for shm_attach. **Defaults to** 0600.
+     */
+    public function __construct($options = [])
+    {
+        if (! extension_loaded('sysvshm')) {
+            throw \RuntimeException(
+                'sysvshm extension is required to use this ItemPool');
+        }
+        $this->options = $options + [
+            'variableKey' => self::VAR_KEY,
+            'proj' => self::DEFAULT_PROJ,
+            'memsize' => self::DEFAULT_MEMSIZE,
+            'perm' => self::DEFAULT_PERM
+        ];
+        $this->items = [];
+        $this->deferredItems = [];
+        $this->sysvKey = ftok(__FILE__, $this->options['proj']);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getItem($key)
+    {
+        $this->loadItems();
+        return current($this->getItems([$key]));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getItems(array $keys = [])
+    {
+        $this->loadItems();
+        $items = [];
+        foreach ($keys as $key) {
+            $items[$key] = $this->hasItem($key) ?
+                clone $this->items[$key] :
+                new Item($key);
+        }
+        return $items;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasItem($key)
+    {
+        $this->loadItems();
+        return isset($this->items[$key]) && $this->items[$key]->isHit();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function clear()
+    {
+        $this->items = [];
+        $this->deferredItems = [];
+        return $this->saveCurrentItems();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function deleteItem($key)
+    {
+        return $this->deleteItems([$key]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function deleteItems(array $keys)
+    {
+        if (!$this->hasLoadedItems) {
+            $this->loadItems();
+        }
+
+        foreach ($keys as $key) {
+            unset($this->items[$key]);
+        }
+        return $this->saveCurrentItems();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function save(CacheItemInterface $item)
+    {
+        if (!$this->hasLoadedItems) {
+            $this->loadItems();
+        }
+
+        $this->items[$item->getKey()] = $item;
+        return $this->saveCurrentItems();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function saveDeferred(CacheItemInterface $item)
+    {
+        $this->deferredItems[$item->getKey()] = $item;
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function commit()
+    {
+        foreach ($this->deferredItems as $item) {
+            if ($this->save($item) === false) {
+                return false;
+            }
+        }
+        $this->deferredItems = [];
+        return true;
+    }
+
+    /**
+     * Save the current items.
+     *
+     * @return bool true when success, false upon failure
+     */
+    private function saveCurrentItems()
+    {
+        $shmid = shm_attach(
+            $this->sysvKey,
+            $this->options['memsize'],
+            $this->options['perm']
+        );
+        if ($shmid !== false) {
+            $ret = shm_put_var(
+                $shmid,
+                $this->options['variableKey'],
+                $this->items
+            );
+            shm_detach($shmid);
+            return $ret;
+        }
+        return false;
+    }
+
+    /**
+     * Load the items from the shared memory.
+     *
+     * @return bool true when success, false upon failure
+     */
+    private function loadItems()
+    {
+        $shmid = shm_attach(
+            $this->sysvKey,
+            $this->options['memsize'],
+            $this->options['perm']
+        );
+        if ($shmid !== false) {
+            $data = @shm_get_var($shmid, $this->options['variableKey']);
+            if (!empty($data)) {
+                $this->items = $data;
+            } else {
+                $this->items = [];
+            }
+            shm_detach($shmid);
+            $this->hasLoadedItems = true;
+            return true;
+        }
+        return false;
+    }
+}