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 add_twitter_user($twitter_id, $screen_name)
31 // Clear out any bad old foreign_users with the new user's legit URL
32 // This can happen when users move around or fakester accounts get
33 // repoed, and things like that.
35 $luser = Foreign_user::getForeignUser($twitter_id, TWITTER_SERVICE);
36 $result = $luser->delete();
38 if ($result != false) {
40 "Twitter bridge - removed old Twitter user: $screen_name ($twitter_id).");
43 $fuser = new Foreign_user();
45 $fuser->nickname = $screen_name;
46 $fuser->uri = 'http://twitter.com/' . $screen_name;
47 $fuser->id = $twitter_id;
48 $fuser->service = TWITTER_SERVICE;
49 $fuser->created = common_sql_now();
50 $result = $fuser->insert();
53 common_log(LOG_WARNING,
54 "Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name.");
55 common_log_db_error($fuser, 'INSERT', __FILE__);
58 "Twitter bridge - Added new Twitter user: $screen_name ($twitter_id).");
64 // Creates or Updates a Twitter user
65 function save_twitter_user($twitter_id, $screen_name)
67 // Check to see whether the Twitter user is already in the system,
68 // and update its screen name and uri if so.
70 $fuser = Foreign_user::getForeignUser($twitter_id, TWITTER_SERVICE);
76 // Delete old record if Twitter user changed screen name
78 if ($fuser->nickname != $screen_name) {
79 $oldname = $fuser->nickname;
81 common_log(LOG_INFO, sprintf('Twitter bridge - Updated nickname (and URI) ' .
82 'for Twitter user %1$d - %2$s, was %3$s.',
89 return add_twitter_user($twitter_id, $screen_name);
92 function is_twitter_bound($notice, $flink) {
94 // Check to see if notice should go to Twitter
95 if (!empty($flink) && ($flink->noticesync & FOREIGN_NOTICE_SEND)) {
97 // If it's not a Twitter-style reply, or if the user WANTS to send replies.
98 if (!preg_match('/^@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) ||
99 ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) {
107 function broadcast_twitter($notice)
109 $flink = Foreign_link::getByUserID($notice->profile_id,
112 if (is_twitter_bound($notice, $flink)) {
113 if (TwitterOAuthClient::isPackedToken($flink->credentials)) {
114 return broadcast_oauth($notice, $flink);
116 return broadcast_basicauth($notice, $flink);
123 function broadcast_oauth($notice, $flink) {
124 $user = $flink->getUser();
125 $statustxt = format_status($notice);
126 $token = TwitterOAuthClient::unpackToken($flink->credentials);
127 $client = new TwitterOAuthClient($token->key, $token->secret);
131 $status = $client->statusesUpdate($statustxt);
132 } catch (OAuthClientException $e) {
133 return process_error($e, $flink, $notice);
136 if (empty($status)) {
138 // This could represent a failure posting,
139 // or the Twitter API might just be behaving flakey.
141 $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
142 'trying to post notice %d for User %s (user id %d).',
147 common_log(LOG_WARNING, $errmsg);
152 // Notice crossed the great divide
154 $msg = sprintf('Twitter bridge - posted notice %d to Twitter using ' .
155 'OAuth for User %s (user id %d).',
160 common_log(LOG_INFO, $msg);
165 function broadcast_basicauth($notice, $flink)
167 $user = $flink->getUser();
169 $statustxt = format_status($notice);
171 $client = new TwitterBasicAuthClient($flink);
175 $status = $client->statusesUpdate($statustxt);
176 } catch (BasicAuthException $e) {
177 return process_error($e, $flink, $notice);
180 if (empty($status)) {
182 $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
183 'trying to post notice %d for %s (user id %d).',
188 common_log(LOG_WARNING, $errmsg);
190 $errmsg = sprintf('No data returned by Twitter API when ' .
191 'trying to post notice %d for %s (user id %d).',
195 common_log(LOG_WARNING, $errmsg);
199 $msg = sprintf('Twitter bridge - posted notice %d to Twitter using ' .
200 'HTTP basic auth for User %s (user id %d).',
205 common_log(LOG_INFO, $msg);
210 function process_error($e, $flink, $notice)
212 $user = $flink->getUser();
213 $code = $e->getCode();
215 $logmsg = sprintf('Twitter bridge - %d posting notice %d for ' .
216 'User %s (user id: %d): %s.',
223 common_log(LOG_WARNING, $logmsg);
227 // Probably a revoked or otherwise bad access token - nuke!
228 remove_twitter_link($flink);
232 // User has exceeder her rate limit -- toss the notice
237 // For every other case, it's probably some flakiness so try
238 // sending the notice again later (requeue).
245 function format_status($notice)
247 // XXX: Hack to get around PHP cURL's use of @ being a a meta character
248 $statustxt = preg_replace('/^@/', ' @', $notice->content);
250 // Convert !groups to #hashes
251 $statustxt = preg_replace('/(^|\s)!([A-Za-z0-9]{1,64})/', "\\1#\\2", $statustxt);
256 function remove_twitter_link($flink)
258 $user = $flink->getUser();
260 common_log(LOG_INFO, 'Removing Twitter bridge Foreign link for ' .
261 "user $user->nickname (user id: $user->id).");
263 $result = $flink->delete();
265 if (empty($result)) {
266 common_log(LOG_ERR, 'Could not remove Twitter bridge ' .
267 "Foreign_link for $user->nickname (user id: $user->id)!");
268 common_log_db_error($flink, 'DELETE', __FILE__);
271 // Notify the user that her Twitter bridge is down
273 if (isset($user->email)) {
275 $result = mail_twitter_bridge_removed($user);
279 $msg = 'Unable to send email to notify ' .
280 "$user->nickname (user id: $user->id) " .
281 'that their Twitter bridge link was ' .
284 common_log(LOG_WARNING, $msg);
291 * Send a mail message to notify a user that her Twitter bridge link
292 * has stopped working, and therefore has been removed. This can
293 * happen when the user changes her Twitter password, or otherwise
296 * @param User $user user whose Twitter bridge link has been removed
298 * @return boolean success flag
301 function mail_twitter_bridge_removed($user)
303 common_init_locale($user->language);
305 $profile = $user->getProfile();
307 $subject = sprintf(_m('Your Twitter bridge has been disabled.'));
309 $site_name = common_config('site', 'name');
311 $body = sprintf(_m('Hi, %1$s. We\'re sorry to inform you that your ' .
312 'link to Twitter has been disabled. We no longer seem to have ' .
313 'permission to update your Twitter status. (Did you revoke ' .
314 '%3$s\'s access?)' . "\n\n" .
315 'You can re-enable your Twitter bridge by visiting your ' .
316 "Twitter settings page:\n\n\t%2\$s\n\n" .
317 "Regards,\n%3\$s\n"),
318 $profile->getBestName(),
319 common_local_url('twittersettings'),
320 common_config('site', 'name'));
322 common_init_locale();
323 return mail_to_user($user, $subject, $body);