installed plugin W3 Total Cache version 2.3.2

wp-content/plugins/w3-total-cache/lib/SNS/services/MessageValidator/sns-exceptions.php

@@ -0,0 +1,37 @@
+<?php
+/**
+ * Copyright 2010-2013 Amazon.com, Inc. or its affiliates. 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.
+ * A copy of the License is located at
+ *
+ * http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file 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.
+ */
+
+/**
+ * Generic exception thrown by the SNS Message Validator.
+ */
+class SnsMessageValidatorException extends RuntimeException {}
+
+
+/**
+ * Indicates that certificate was from an unrecognized source.
+ */
+class CertificateFromUnrecognizedSourceException extends SnsMessageValidatorException {}
+
+/**
+ * Indicates that the public key can't be extracted from the the certificate.
+ */
+class CannotGetPublicKeyFromCertificateException extends SnsMessageValidatorException {}
+
+
+/**
+ * Indicates that the signature for SNS message was invalid.
+ */
+class InvalidMessageSignatureException extends SnsMessageValidatorException {}