library/Zend/Oauth/Signature/Hmac.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Oauth
  17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id$
  20  */
  21
  22 /** Zend_Oauth_Signature_SignatureAbstract */
  23 require_once 'Zend/Oauth/Signature/SignatureAbstract.php';
  24
  25 /** Zend_Crypt_Hmac */
  26 require_once 'Zend/Crypt/Hmac.php';
  27
  28 /**
  29  * @category   Zend
  30  * @package    Zend_Oauth
  31  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  32  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  33  */
  34 class Zend_Oauth_Signature_Hmac extends Zend_Oauth_Signature_SignatureAbstract
  35 {
  36     /**
  37      * Sign a request
  38      *
  39      * @param  array $params
  40      * @param  mixed $method
  41      * @param  mixed $url
  42      * @return string
  43      */
  44     public function sign(array $params, $method = null, $url = null)
  45     {
  46         $binaryHash = Zend_Crypt_Hmac::compute(
  47             $this->_key,
  48             $this->_hashAlgorithm,
  49             $this->_getBaseSignatureString($params, $method, $url),
  50             Zend_Crypt_Hmac::BINARY
  51         );
  52         return base64_encode($binaryHash);
  53     }
  54 }