311 lines
9.5 KiB
PHP
311 lines
9.5 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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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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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://twitter.com/oauth/request_token';
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public static $authorizeURL = 'https://twitter.com/oauth/authorize';
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public static $signinUrl = 'https://twitter.com/oauth/authenticate';
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public static $accessTokenURL = 'https://twitter.com/oauth/access_token';
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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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$consumer_secret = common_config('twitter', 'consumer_secret');
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if (empty($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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$consumer_secret = common_config(
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'twitter',
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'global_consumer_secret'
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);
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}
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parent::__construct(
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$consumer_key,
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$consumer_secret,
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$oauth_token,
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$oauth_token_secret
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);
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}
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// XXX: the following two functions are to support the horrible hack
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// of using the credentils field in Foreign_link to store both
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// the access token and token secret. This hack should go away with
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// 0.9, in which we can make DB changes and add a new column for the
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// token itself.
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static function packToken($token)
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{
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return implode(chr(0), array($token->key, $token->secret));
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}
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static function unpackToken($str)
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{
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$vals = explode(chr(0), $str);
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return new OAuthToken($vals[0], $vals[1]);
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}
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static function isPackedToken($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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* 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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* 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::$authorizeURL;
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return parent::getAuthorizeLink($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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* 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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* 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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$url = 'https://twitter.com/account/verify_credentials.json';
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$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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* 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://twitter.com/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'] = $status;
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// We don't have to pass 'source' as the oauth key is tied to an app.
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$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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* Calls Twitter's /statuses/friends_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 $page page number
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*
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* @return mixed an array of statuses
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*/
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function statusesFriendsTimeline($since_id = null, $max_id = null,
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$cnt = null, $page = null)
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{
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$url = 'https://twitter.com/statuses/friends_timeline.json';
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$params = array('since_id' => $since_id,
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'max_id' => $max_id,
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'count' => $cnt,
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'page' => $page);
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$qry = http_build_query($params);
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if (!empty($qry)) {
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$url .= "?$qry";
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}
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$response = $this->oAuthGet($url);
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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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* 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 $page page number
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*
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* @return mixed an array of statuses, similare to friends_timeline, except including retweets
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*/
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function statusesHomeTimeline($since_id = null, $max_id = null,
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$cnt = null, $page = null)
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{
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$url = 'https://twitter.com/statuses/home_timeline.json';
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$params = array('since_id' => $since_id,
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'max_id' => $max_id,
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'count' => $cnt,
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'page' => $page);
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$qry = http_build_query($params);
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if (!empty($qry)) {
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$url .= "?$qry";
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}
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$response = $this->oAuthGet($url);
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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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* 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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$url = "https://twitter.com/statuses/friends.json";
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$params = array('id' => $id,
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'user_id' => $user_id,
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'screen_name' => $screen_name,
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'page' => $page);
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$qry = http_build_query($params);
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if (!empty($qry)) {
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$url .= "?$qry";
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}
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$response = $this->oAuthGet($url);
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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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* 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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$url = "https://twitter.com/friends/ids.json";
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$params = array('id' => $id,
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'user_id' => $user_id,
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'screen_name' => $screen_name,
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'page' => $page);
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$qry = http_build_query($params);
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if (!empty($qry)) {
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$url .= "?$qry";
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}
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$response = $this->oAuthGet($url);
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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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