365 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			365 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * StatusNet, the distributed open-source microblogging tool
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|  *
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|  * Class for doing OAuth calls against Twitter
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|  *
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|  * PHP version 5
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|  *
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|  * LICENCE: This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Affero General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Affero General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Affero General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  *
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|  * @category  Integration
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|  * @package   StatusNet
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|  * @author    Zach Copley <zach@status.net>
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|  * @copyright 2009-2010 StatusNet, Inc.
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|  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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|  * @link      http://status.net/
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|  */
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| 
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| if (!defined('STATUSNET') && !defined('LACONICA')) {
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|     exit(1);
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| }
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| 
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| /**
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|  * Class for talking to the Twitter API with OAuth.
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|  *
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|  * @category Integration
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|  * @package  StatusNet
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|  * @author   Zach Copley <zach@status.net>
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|  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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|  * @link     http://status.net/
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|  *
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|  */
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| class TwitterOAuthClient extends OAuthClient
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| {
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|     public static $requestTokenURL = 'https://api.twitter.com/oauth/request_token';
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|     public static $authorizeURL    = 'https://api.twitter.com/oauth/authorize';
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|     public static $signinUrl       = 'https://api.twitter.com/oauth/authenticate';
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|     public static $accessTokenURL  = 'https://api.twitter.com/oauth/access_token';
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| 
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|     /**
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|      * Constructor
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|      *
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|      * @param string $oauth_token        the user's token
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|      * @param string $oauth_token_secret the user's token secret
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|      *
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|      * @return nothing
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|      */
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|     function __construct($oauth_token = null, $oauth_token_secret = null)
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|     {
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|         $consumer_key    = common_config('twitter', 'consumer_key');
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|         $consumer_secret = common_config('twitter', 'consumer_secret');
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| 
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|         if (empty($consumer_key) && empty($consumer_secret)) {
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|             $consumer_key = common_config(
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|                 'twitter',
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|                 'global_consumer_key'
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|             );
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|             $consumer_secret = common_config(
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|                 'twitter',
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|                 'global_consumer_secret'
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|             );
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|         }
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| 
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|         parent::__construct(
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|             $consumer_key,
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|             $consumer_secret,
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|             $oauth_token,
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|             $oauth_token_secret
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|         );
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|     }
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| 
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|     // XXX: the following two functions are to support the horrible hack
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|     // of using the credentils field in Foreign_link to store both
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|     // the access token and token secret.  This hack should go away with
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|     // 0.9, in which we can make DB changes and add a new column for the
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|     // token itself.
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| 
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|     static function packToken($token)
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|     {
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|         return implode(chr(0), array($token->key, $token->secret));
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|     }
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| 
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|     static function unpackToken($str)
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|     {
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|         $vals = explode(chr(0), $str);
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|         return new OAuthToken($vals[0], $vals[1]);
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|     }
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| 
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|     static function isPackedToken($str)
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|     {
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|         if (strpos($str, chr(0)) === false) {
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|             return false;
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|         } else {
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|             return true;
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|         }
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|     }
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| 
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|     /**
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|      * Gets a request token from Twitter
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|      *
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|      * @return OAuthToken $token the request token
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|      */
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|     function getRequestToken()
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|     {
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|         return parent::getRequestToken(
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|             self::$requestTokenURL,
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|             common_local_url('twitterauthorization')
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|         );
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|     }
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| 
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|     /**
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|      * Builds a link to Twitter's endpoint for authorizing a request token
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|      *
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|      * @param OAuthToken $request_token token to authorize
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|      *
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|      * @return the link
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|      */
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|     function getAuthorizeLink($request_token, $signin = false)
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|     {
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|         $url = ($signin) ? self::$signinUrl : self::$authorizeURL;
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| 
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|         return parent::getAuthorizeLink($url,
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|                                         $request_token,
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|                                         common_local_url('twitterauthorization'));
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|     }
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| 
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|     /**
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|      * Fetches an access token from Twitter
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|      *
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|      * @param string $verifier 1.0a verifier
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|      *
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|      * @return OAuthToken $token the access token
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|      */
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|     function getAccessToken($verifier = null)
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|     {
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|         return parent::getAccessToken(
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|             self::$accessTokenURL,
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|             $verifier
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|         );
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|     }
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| 
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|     /**
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|      * Calls Twitter's /account/verify_credentials API method
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|      *
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|      * @return mixed the Twitter user
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|      */
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|     function verifyCredentials()
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|     {
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|         $url          = 'https://api.twitter.com/1/account/verify_credentials.json';
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|         $response     = $this->oAuthGet($url);
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|         $twitter_user = json_decode($response);
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|         return $twitter_user;
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|     }
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| 
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|     /**
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|      * Calls Twitter's /statuses/update API method
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|      *
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|      * @param string $status  text of the status
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|      * @param mixed  $params  optional other parameters to pass to Twitter,
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|      *                        as defined. For back-compatibility, if an int
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|      *                        is passed we'll consider it a reply-to ID.
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|      *
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|      * @return mixed the status
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|      */
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|     function statusesUpdate($status, $params=array())
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|     {
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|         $url      = 'https://api.twitter.com/1/statuses/update.json';
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|         if (is_numeric($params)) {
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|             $params = array('in_reply_to_status_id' => intval($params));
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|         }
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|         $params['status'] = $status;
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|         // We don't have to pass 'source' as the oauth key is tied to an app.
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| 
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|         $response = $this->oAuthPost($url, $params);
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|         $status   = json_decode($response);
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|         return $status;
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|     }
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| 
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|     /**
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|      * Calls Twitter's /statuses/home_timeline API method
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|      *
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|      * @param int $since_id show statuses after this id
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|      * @param int $max_id   show statuses before this id
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|      * @param int $cnt      number of statuses to show
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|      * @param int $page     page number
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|      *
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|      * @return mixed an array of statuses
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|      */
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|     function statusesHomeTimeline($since_id = null, $max_id = null,
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|                                   $cnt = null, $page = null)
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|     {
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|         $url    = 'https://api.twitter.com/1/statuses/home_timeline.json';
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| 
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|         $params = array('include_entities' => 'true');
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| 
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|         if (!empty($since_id)) {
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|             $params['since_id'] = $since_id;
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|         }
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|         if (!empty($max_id)) {
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|             $params['max_id'] = $max_id;
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|         }
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|         if (!empty($cnt)) {
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|             $params['count'] = $cnt;
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|         }
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|         if (!empty($page)) {
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|             $params['page'] = $page;
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|         }
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| 
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|         $response = $this->oAuthGet($url, $params);
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|         $statuses = json_decode($response);
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|         return $statuses;
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|     }
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| 
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|     /**
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|      * Calls Twitter's /statuses/friends API method
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|      *
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|      * @param int $id          id of the user whom you wish to see friends of
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|      * @param int $user_id     numerical user id
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|      * @param int $screen_name screen name
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|      * @param int $page        page number
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|      *
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|      * @return mixed an array of twitter users and their latest status
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|      */
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|     function statusesFriends($id = null, $user_id = null, $screen_name = null,
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|                              $page = null)
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|     {
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|         $url = "https://api.twitter.com/1/statuses/friends.json";
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| 
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|         $params = array();
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| 
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|         if (!empty($id)) {
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|             $params['id'] = $id;
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|         }
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| 
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|         if (!empty($user_id)) {
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|             $params['user_id'] = $user_id;
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|         }
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| 
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|         if (!empty($screen_name)) {
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|             $params['screen_name'] = $screen_name;
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|         }
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| 
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|         if (!empty($page)) {
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|             $params['page'] = $page;
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|         }
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| 
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|         $response = $this->oAuthGet($url, $params);
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|         $friends  = json_decode($response);
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|         return $friends;
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|     }
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| 
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|     /**
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|      * Calls Twitter's /statuses/friends/ids API method
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|      *
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|      * @param int $id          id of the user whom you wish to see friends of
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|      * @param int $user_id     numerical user id
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|      * @param int $screen_name screen name
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|      * @param int $page        page number
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|      *
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|      * @return mixed a list of ids, 100 per page
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|      */
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|     function friendsIds($id = null, $user_id = null, $screen_name = null,
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|                          $page = null)
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|     {
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|         $url = "https://api.twitter.com/1/friends/ids.json";
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| 
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|         $params = array();
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| 
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|         if (!empty($id)) {
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|             $params['id'] = $id;
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|         }
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| 
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|         if (!empty($user_id)) {
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|             $params['user_id'] = $user_id;
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|         }
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| 
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|         if (!empty($screen_name)) {
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|             $params['screen_name'] = $screen_name;
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|         }
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| 
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|         if (!empty($page)) {
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|             $params['page'] = $page;
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|         }
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| 
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|         $response = $this->oAuthGet($url, $params);
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|         $ids      = json_decode($response);
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|         return $ids;
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|     }
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| 
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|     /**
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|      * Calls Twitter's /statuses/retweet/id.json API method
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|      *
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|      * @param int $id id of the notice to retweet
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|      *
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|      * @return retweeted status
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|      */
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| 
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|     function statusesRetweet($id)
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|     {
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|         $url = "http://api.twitter.com/1/statuses/retweet/$id.json";
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|         $response = $this->oAuthPost($url);
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|         $status = json_decode($response);
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|         return $status;
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|     }
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| 
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|     /**
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|      * Calls Twitter's /favorites/create API method
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|      *
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|      * @param int $id ID of the status to favorite
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|      *
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|      * @return object faved status
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|      */
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| 
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|     function favoritesCreate($id)
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|     {
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|         $url = "http://api.twitter.com/1/favorites/create/$id.json";
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|         $response = $this->oAuthPost($url);
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|         $status = json_decode($response);
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|         return $status;
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|     }
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| 
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|     /**
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|      * Calls Twitter's /favorites/destroy API method
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|      *
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|      * @param int $id ID of the status to unfavorite
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|      *
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|      * @return object unfaved status
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|      */
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| 
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|     function favoritesDestroy($id)
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|     {
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|         $url = "http://api.twitter.com/1/favorites/destroy/$id.json";
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|         $response = $this->oAuthPost($url);
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|         $status = json_decode($response);
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|         return $status;
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|     }
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| 
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|     /**
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|      * Calls Twitter's /statuses/destroy API method
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|      *
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|      * @param int $id ID of the status to destroy
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|      *
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|      * @return object destroyed
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|      */
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| 
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|     function statusesDestroy($id)
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|     {
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|         $url = "http://api.twitter.com/1/statuses/destroy/$id.json";
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|         $response = $this->oAuthPost($url);
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|         $status = json_decode($response);
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|         return $status;
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|     }
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| }
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