3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('LACONICA')) { exit(1); }
22 function get_twitter_data($uri, $screen_name, $password)
26 CURLOPT_USERPWD => sprintf("%s:%s", $screen_name, $password),
27 CURLOPT_RETURNTRANSFER => true,
28 CURLOPT_FAILONERROR => true,
29 CURLOPT_HEADER => false,
30 CURLOPT_FOLLOWLOCATION => true,
31 # CURLOPT_USERAGENT => "identi.ca",
32 CURLOPT_CONNECTTIMEOUT => 120,
33 CURLOPT_TIMEOUT => 120,
34 # Twitter is strict about accepting invalid "Expect" headers
35 CURLOPT_HTTPHEADER => array('Expect:')
39 $ch = curl_init($uri);
40 curl_setopt_array($ch, $options);
41 $data = curl_exec($ch);
42 $errmsg = curl_error($ch);
45 common_debug("Twitter bridge - cURL error: $errmsg - trying to load: $uri with user $screen_name.",
54 function twitter_user_info($screen_name, $password)
57 $uri = "http://twitter.com/users/show/$screen_name.json";
58 $data = get_twitter_data($uri, $screen_name, $password);
64 $twit_user = json_decode($data);
73 function update_twitter_user($fuser, $twitter_id, $screen_name)
76 $original = clone($fuser);
77 $fuser->nickname = $screen_name;
78 $fuser->uri = 'http://twitter.com/' . $screen_name;
79 $result = $fuser->updateKeys($original);
82 common_log_db_error($fuser, 'UPDATE', __FILE__);
89 function add_twitter_user($twitter_id, $screen_name)
92 // Otherwise, create a new Twitter user
93 $fuser = DB_DataObject::factory('foreign_user');
95 $fuser->nickname = $screen_name;
96 $fuser->uri = 'http://twitter.com/' . $screen_name;
97 $fuser->id = $twitter_id;
98 $fuser->service = 1; // Twitter
99 $fuser->created = common_sql_now();
100 $result = $fuser->insert();
103 common_debug("Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name.");
104 common_log_db_error($fuser, 'INSERT', __FILE__);
108 common_debug("Twitter bridge - Added new Twitter user: $screen_name ($twitter_id).");
113 // Creates or Updates a Twitter user
114 function save_twitter_user($twitter_id, $screen_name)
117 // Check to see whether the Twitter user is already in the system,
118 // and update its screen name and uri if so.
119 $fuser = Foreign_user::getForeignUser($twitter_id, 1);
123 // Only update if Twitter screen name has changed
124 if ($fuser->nickname != $screen_name) {
126 common_debug('Twitter bridge - Updated nickname (and URI) for Twitter user ' .
127 "$fuser->id to $screen_name, was $fuser->nickname");
129 return update_twitter_user($fuser, $twitter_id, $screen_name);
133 return add_twitter_user($twitter_id, $screen_name);
139 function retreive_twitter_friends($twitter_id, $screen_name, $password)
142 $uri = "http://twitter.com/statuses/friends/$twitter_id.json?page=";
143 $twitter_user = twitter_user_info($screen_name, $password);
145 // Calculate how many pages to get...
146 $pages = ceil($twitter_user->friends_count / 100);
149 common_debug("Twitter bridge - Twitter user $screen_name has no friends! Lame.");
154 for ($i = 1; $i <= $pages; $i++) {
156 $data = get_twitter_data($uri . $i, $screen_name, $password);
162 $more_friends = json_decode($data);
164 if (!$more_friends) {
168 $friends = array_merge($friends, $more_friends);
174 function save_twitter_friends($user, $twitter_id, $screen_name, $password)
177 $friends = retreive_twitter_friends($twitter_id, $screen_name, $password);
179 if (is_null($friends)) {
180 common_debug("Twitter bridge - Couldn't get friends data from Twitter.");
184 foreach ($friends as $friend) {
186 $friend_name = $friend->screen_name;
187 $friend_id = $friend->id;
189 // Update or create the Foreign_user record
190 if (!save_twitter_user($friend_id, $friend_name)) {
194 // Check to see if there's a related local user
195 $flink = Foreign_link::getByForeignID($friend_id, 1);
199 // Get associated user and subscribe her
200 $friend_user = User::staticGet('id', $flink->user_id);
201 subs_subscribe_to($user, $friend_user);
202 common_debug("Twitter bridge - subscribed $friend_user->nickname to $user->nickname.");