1: <?php
 2: /**
 3:  * Copyright 2008-2012 Horde LLC (http://www.horde.org/)
 4:  *
 5:  * @author   Chuck Hagenbuch <chuck@horde.org>
 6:  * @license  http://www.horde.org/licenses/bsd BSD
 7:  * @category Horde
 8:  * @package  Oauth
 9:  */
10: 
11: /**
12:  * OAuth HMAC-SHA1 signature method
13:  *
14:  * @author   Chuck Hagenbuch <chuck@horde.org>
15:  * @license  http://www.horde.org/licenses/bsd BSD
16:  * @category Horde
17:  * @package  Oauth
18:  */
19: class Horde_Oauth_SignatureMethod_HmacSha1 extends Horde_Oauth_SignatureMethod
20: {
21:     public function getName()
22:     {
23:         return 'HMAC-SHA1';
24:     }
25: 
26:     public function sign($request, $consumer, $token)
27:     {
28:         $baseString = $request->getSignatureBaseString();
29: 
30:         $key_parts = array(
31:             $consumer->secret,
32:             ($token) ? $token->secret : ''
33:         );
34: 
35:         $key_parts = array_map(array('Horde_Oauth_Utils','urlencodeRfc3986'), $key_parts);
36:         $key = implode('&', $key_parts);
37: 
38:         return base64_encode(hash_hmac('sha1', $baseString, $key, true));
39:     }
40: }
41: