3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET') && !defined('LACONICA')) {
24 define('TWITTER_SERVICE', 1); // Twitter is foreign_service ID 1
26 require_once INSTALLDIR . '/plugins/TwitterBridge/twitterbasicauthclient.php';
27 require_once INSTALLDIR . '/plugins/TwitterBridge/twitteroauthclient.php';
29 function updateTwitter_user($twitter_id, $screen_name)
31 $uri = 'http://twitter.com/' . $screen_name;
32 $fuser = new Foreign_user();
34 $fuser->query('BEGIN');
36 // Dropping down to SQL because regular DB_DataObject udpate stuff doesn't seem
37 // to work so good with tables that have multiple column primary keys
39 // Any time we update the uri for a forein user we have to make sure there
40 // are no dupe entries first -- unique constraint on the uri column
42 $qry = 'UPDATE foreign_user set uri = \'\' WHERE uri = ';
43 $qry .= '\'' . $uri . '\'' . ' AND service = ' . TWITTER_SERVICE;
49 $qry = 'UPDATE foreign_user SET nickname = ';
50 $qry .= '\'' . $screen_name . '\'' . ', uri = \'' . $uri . '\' ';
51 $qry .= 'WHERE id = ' . $twitter_id . ' AND service = ' . TWITTER_SERVICE;
53 $fuser->query('COMMIT');
61 function add_twitter_user($twitter_id, $screen_name)
64 $new_uri = 'http://twitter.com/' . $screen_name;
66 // Clear out any bad old foreign_users with the new user's legit URL
67 // This can happen when users move around or fakester accounts get
68 // repoed, and things like that.
70 $luser = new Foreign_user();
71 $luser->uri = $new_uri;
72 $luser->service = TWITTER_SERVICE;
73 $result = $luser->delete();
76 common_log(LOG_WARNING,
77 "Twitter bridge - removed invalid Twitter user squatting on uri: $new_uri");
83 // Otherwise, create a new Twitter user
85 $fuser = new Foreign_user();
87 $fuser->nickname = $screen_name;
88 $fuser->uri = 'http://twitter.com/' . $screen_name;
89 $fuser->id = $twitter_id;
90 $fuser->service = TWITTER_SERVICE;
91 $fuser->created = common_sql_now();
92 $result = $fuser->insert();
95 common_log(LOG_WARNING,
96 "Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name.");
97 common_log_db_error($fuser, 'INSERT', __FILE__);
99 common_debug("Twitter bridge - Added new Twitter user: $screen_name ($twitter_id).");
105 // Creates or Updates a Twitter user
106 function save_twitter_user($twitter_id, $screen_name)
109 // Check to see whether the Twitter user is already in the system,
110 // and update its screen name and uri if so.
112 $fuser = Foreign_user::getForeignUser($twitter_id, TWITTER_SERVICE);
114 if (!empty($fuser)) {
118 // Only update if Twitter screen name has changed
120 if ($fuser->nickname != $screen_name) {
121 $result = updateTwitter_user($twitter_id, $screen_name);
123 common_debug('Twitter bridge - Updated nickname (and URI) for Twitter user ' .
124 "$fuser->id to $screen_name, was $fuser->nickname");
130 return add_twitter_user($twitter_id, $screen_name);
139 function is_twitter_bound($notice, $flink) {
141 // Check to see if notice should go to Twitter
142 if (!empty($flink) && ($flink->noticesync & FOREIGN_NOTICE_SEND)) {
144 // If it's not a Twitter-style reply, or if the user WANTS to send replies.
145 if (!preg_match('/^@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) ||
146 ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) {
154 function broadcast_twitter($notice)
156 $flink = Foreign_link::getByUserID($notice->profile_id,
159 if (is_twitter_bound($notice, $flink)) {
160 if (TwitterOAuthClient::isPackedToken($flink->credentials)) {
161 return broadcast_oauth($notice, $flink);
163 return broadcast_basicauth($notice, $flink);
170 function broadcast_oauth($notice, $flink) {
171 $user = $flink->getUser();
172 $statustxt = format_status($notice);
173 // Convert !groups to #hashes
174 $statustxt = preg_replace('/(^|\s)!([A-Za-z0-9]{1,64})/', "\\1#\\2", $statustxt);
175 $token = TwitterOAuthClient::unpackToken($flink->credentials);
176 $client = new TwitterOAuthClient($token->key, $token->secret);
180 $status = $client->statusesUpdate($statustxt);
181 } catch (OAuthClientCurlException $e) {
182 return process_error($e, $flink);
185 if (empty($status)) {
187 // This could represent a failure posting,
188 // or the Twitter API might just be behaving flakey.
190 $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
191 'trying to send update for %1$s (user id %2$s).',
192 $user->nickname, $user->id);
193 common_log(LOG_WARNING, $errmsg);
198 // Notice crossed the great divide
200 $msg = sprintf('Twitter bridge - posted notice %s to Twitter using OAuth.',
202 common_log(LOG_INFO, $msg);
207 function broadcast_basicauth($notice, $flink)
209 $user = $flink->getUser();
211 $statustxt = format_status($notice);
213 $client = new TwitterBasicAuthClient($flink);
217 $status = $client->statusesUpdate($statustxt);
218 } catch (BasicAuthCurlException $e) {
219 return process_error($e, $flink);
222 if (empty($status)) {
224 $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
225 'trying to send update for %1$s (user id %2$s).',
226 $user->nickname, $user->id);
227 common_log(LOG_WARNING, $errmsg);
229 $errmsg = sprintf('No data returned by Twitter API when ' .
230 'trying to send update for %1$s (user id %2$s).',
231 $user->nickname, $user->id);
232 common_log(LOG_WARNING, $errmsg);
236 $msg = sprintf('Twitter bridge - posted notice %s to Twitter using basic auth.',
238 common_log(LOG_INFO, $msg);
243 function process_error($e, $flink)
245 $user = $flink->getUser();
246 $errmsg = $e->getMessage();
250 case 'The requested URL returned error: 401':
251 $logmsg = sprintf('Twiter bridge - User %1$s (user id: %2$s) has an invalid ' .
252 'Twitter screen_name/password combo or an invalid acesss token.',
253 $user->nickname, $user->id);
255 remove_twitter_link($flink);
257 case 'The requested URL returned error: 403':
258 $logmsg = sprintf('Twitter bridge - User %1$s (user id: %2$s) has exceeded ' .
259 'his/her Twitter request limit.',
260 $user->nickname, $user->id);
263 $logmsg = sprintf('Twitter bridge - cURL error trying to send notice to Twitter ' .
264 'for user %1$s (user id: %2$s) - ' .
265 'code: %3$s message: %4$s.',
266 $user->nickname, $user->id,
267 $e->getCode(), $e->getMessage());
271 common_log(LOG_WARNING, $logmsg);
276 function format_status($notice)
278 // XXX: Hack to get around PHP cURL's use of @ being a a meta character
279 return preg_replace('/^@/', ' @', $notice->content);
282 function remove_twitter_link($flink)
284 $user = $flink->getUser();
286 common_log(LOG_INFO, 'Removing Twitter bridge Foreign link for ' .
287 "user $user->nickname (user id: $user->id).");
289 $result = $flink->delete();
291 if (empty($result)) {
292 common_log(LOG_ERR, 'Could not remove Twitter bridge ' .
293 "Foreign_link for $user->nickname (user id: $user->id)!");
294 common_log_db_error($flink, 'DELETE', __FILE__);
297 // Notify the user that her Twitter bridge is down
299 if (isset($user->email)) {
301 $result = mail_twitter_bridge_removed($user);
305 $msg = 'Unable to send email to notify ' .
306 "$user->nickname (user id: $user->id) " .
307 'that their Twitter bridge link was ' .
310 common_log(LOG_WARNING, $msg);