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[redakcja.git] / apps / filebrowser / media / filebrowser / uploadify / com / adobe / crypto / .svn / text-base / WSSEUsernameToken.as.svn-base
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+/*\r
+  Copyright (c) 2008, Adobe Systems Incorporated\r
+  All rights reserved.\r
+\r
+  Redistribution and use in source and binary forms, with or without \r
+  modification, are permitted provided that the following conditions are\r
+  met:\r
+\r
+  * Redistributions of source code must retain the above copyright notice, \r
+    this list of conditions and the following disclaimer.\r
+  \r
+  * Redistributions in binary form must reproduce the above copyright\r
+    notice, this list of conditions and the following disclaimer in the \r
+    documentation and/or other materials provided with the distribution.\r
+  \r
+  * Neither the name of Adobe Systems Incorporated nor the names of its \r
+    contributors may be used to endorse or promote products derived from \r
+    this software without specific prior written permission.\r
+\r
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS\r
+  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\r
+  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
+  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR \r
+  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\r
+  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,\r
+  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\r
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF\r
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\r
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\r
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+*/\r
+\r
+package com.adobe.crypto\r
+{\r
+       import mx.formatters.DateFormatter;\r
+       import mx.utils.Base64Encoder;\r
+       \r
+       /**\r
+        * Web Services Security Username Token\r
+        *\r
+        * Implementation based on algorithm description at \r
+        * http://www.oasis-open.org/committees/wss/documents/WSS-Username-02-0223-merged.pdf\r
+        */\r
+       public class WSSEUsernameToken\r
+       {\r
+               /**\r
+                * Generates a WSSE Username Token.\r
+                *\r
+                * @param username The username\r
+                * @param password The password\r
+                * @param nonce A cryptographically random nonce (if null, the nonce\r
+                * will be generated)\r
+                * @param timestamp The time at which the token is generated (if null,\r
+                * the time will be set to the moment of execution)\r
+                * @return The generated token\r
+                * @langversion ActionScript 3.0\r
+                * @playerversion Flash 9.0\r
+                * @tiptext\r
+                */\r
+               public static function getUsernameToken(username:String, password:String, nonce:String=null, timestamp:Date=null):String\r
+               {\r
+                       if (nonce == null)\r
+                       {\r
+                               nonce = generateNonce();\r
+                       }\r
+                       nonce = base64Encode(nonce);\r
+               \r
+                       var created:String = generateTimestamp(timestamp);\r
+               \r
+                       var password64:String = getBase64Digest(nonce,\r
+                               created,\r
+                               password);\r
+               \r
+                       var token:String = new String("UsernameToken Username=\"");\r
+                       token += username + "\", " +\r
+                                        "PasswordDigest=\"" + password64 + "\", " +\r
+                                        "Nonce=\"" + nonce + "\", " +\r
+                                        "Created=\"" + created + "\"";\r
+                       return token;\r
+               }\r
+               \r
+               private static function generateNonce():String\r
+               {\r
+                       // Math.random returns a Number between 0 and 1.  We don't want our\r
+                       // nonce to contain invalid characters (e.g. the period) so we\r
+                       // strip them out before returning the result.\r
+                       var s:String =  Math.random().toString();\r
+                       return s.replace(".", "");\r
+               }\r
+               \r
+               internal static function base64Encode(s:String):String\r
+               {\r
+                       var encoder:Base64Encoder = new Base64Encoder();\r
+                       encoder.encode(s);\r
+                       return encoder.flush();\r
+               }\r
+               \r
+               internal static function generateTimestamp(timestamp:Date):String\r
+               {\r
+                       if (timestamp == null)\r
+                       {\r
+                               timestamp = new Date();\r
+                       }\r
+                       var dateFormatter:DateFormatter = new DateFormatter();\r
+                       dateFormatter.formatString = "YYYY-MM-DDTJJ:NN:SS"\r
+                       return dateFormatter.format(timestamp) + "Z";\r
+               }\r
+               \r
+               internal static function getBase64Digest(nonce:String, created:String, password:String):String\r
+               {\r
+                       return SHA1.hashToBase64(nonce + created + password);\r
+               }\r
+       }\r
+}
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