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