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<?php
/**
* OAuth signature implementation using PLAINTEXT
*
* @version $Id$
* @author Marc Worrell <marcw@pobox.com>
* @date Sep 8, 2008 12:09:43 PM
*
* The MIT License
*
* Copyright (c) 2007-2008 Mediamatic Lab
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
require_once dirname(__FILE__).'/OAuthSignatureMethod.class.php';
class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod
{
public function name ()
{
return 'PLAINTEXT';
}
/**
* Calculate the signature using PLAINTEXT
*
* @param OAuthRequest request
* @param string base_string
* @param string consumer_secret
* @param string token_secret
* @return string
*/
function signature ( $request, $base_string, $consumer_secret, $token_secret )
{
return $request->urlencode($request->urlencode($consumer_secret).'&'.$request->urlencode($token_secret));
}
/**
* Check if the request signature corresponds to the one calculated for the request.
*
* @param OAuthRequest request
* @param string base_string data to be signed, usually the base string, can be a request body
* @param string consumer_secret
* @param string token_secret
* @param string signature from the request, still urlencoded
* @return string
*/
public function verify ( $request, $base_string, $consumer_secret, $token_secret, $signature )
{
$a = $request->urldecode($signature);
$b = $request->urldecode($this->signature($request, $base_string, $consumer_secret, $token_secret));
return $request->urldecode($a) == $request->urldecode($b);
}
}
/* vi:set ts=4 sts=4 sw=4 binary noeol: */
?>
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