diff options
Diffstat (limited to 'plugins/TwitterBridge/twitter.php')
-rw-r--r-- | plugins/TwitterBridge/twitter.php | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/plugins/TwitterBridge/twitter.php b/plugins/TwitterBridge/twitter.php new file mode 100644 index 000000000..afc3f55ba --- /dev/null +++ b/plugins/TwitterBridge/twitter.php @@ -0,0 +1,311 @@ +<?php +/* + * StatusNet - the distributed open-source microblogging tool + * Copyright (C) 2008, 2009, StatusNet, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +if (!defined('STATUSNET') && !defined('LACONICA')) { + exit(1); +} + +define('TWITTER_SERVICE', 1); // Twitter is foreign_service ID 1 + +function updateTwitter_user($twitter_id, $screen_name) +{ + $uri = 'http://twitter.com/' . $screen_name; + $fuser = new Foreign_user(); + + $fuser->query('BEGIN'); + + // Dropping down to SQL because regular DB_DataObject udpate stuff doesn't seem + // to work so good with tables that have multiple column primary keys + + // Any time we update the uri for a forein user we have to make sure there + // are no dupe entries first -- unique constraint on the uri column + + $qry = 'UPDATE foreign_user set uri = \'\' WHERE uri = '; + $qry .= '\'' . $uri . '\'' . ' AND service = ' . TWITTER_SERVICE; + + $fuser->query($qry); + + // Update the user + + $qry = 'UPDATE foreign_user SET nickname = '; + $qry .= '\'' . $screen_name . '\'' . ', uri = \'' . $uri . '\' '; + $qry .= 'WHERE id = ' . $twitter_id . ' AND service = ' . TWITTER_SERVICE; + + $fuser->query('COMMIT'); + + $fuser->free(); + unset($fuser); + + return true; +} + +function add_twitter_user($twitter_id, $screen_name) +{ + + $new_uri = 'http://twitter.com/' . $screen_name; + + // Clear out any bad old foreign_users with the new user's legit URL + // This can happen when users move around or fakester accounts get + // repoed, and things like that. + + $luser = new Foreign_user(); + $luser->uri = $new_uri; + $luser->service = TWITTER_SERVICE; + $result = $luser->delete(); + + if (empty($result)) { + common_log(LOG_WARNING, + "Twitter bridge - removed invalid Twitter user squatting on uri: $new_uri"); + } + + $luser->free(); + unset($luser); + + // Otherwise, create a new Twitter user + + $fuser = new Foreign_user(); + + $fuser->nickname = $screen_name; + $fuser->uri = 'http://twitter.com/' . $screen_name; + $fuser->id = $twitter_id; + $fuser->service = TWITTER_SERVICE; + $fuser->created = common_sql_now(); + $result = $fuser->insert(); + + if (empty($result)) { + common_log(LOG_WARNING, + "Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name."); + common_log_db_error($fuser, 'INSERT', __FILE__); + } else { + common_debug("Twitter bridge - Added new Twitter user: $screen_name ($twitter_id)."); + } + + return $result; +} + +// Creates or Updates a Twitter user +function save_twitter_user($twitter_id, $screen_name) +{ + + // Check to see whether the Twitter user is already in the system, + // and update its screen name and uri if so. + + $fuser = Foreign_user::getForeignUser($twitter_id, TWITTER_SERVICE); + + if (!empty($fuser)) { + + $result = true; + + // Only update if Twitter screen name has changed + + if ($fuser->nickname != $screen_name) { + $result = updateTwitter_user($twitter_id, $screen_name); + + common_debug('Twitter bridge - Updated nickname (and URI) for Twitter user ' . + "$fuser->id to $screen_name, was $fuser->nickname"); + } + + return $result; + + } else { + return add_twitter_user($twitter_id, $screen_name); + } + + $fuser->free(); + unset($fuser); + + return true; +} + +function is_twitter_bound($notice, $flink) { + + // Check to see if notice should go to Twitter + if (!empty($flink) && ($flink->noticesync & FOREIGN_NOTICE_SEND)) { + + // If it's not a Twitter-style reply, or if the user WANTS to send replies. + if (!preg_match('/^@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) || + ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) { + return true; + } + } + + return false; +} + +function broadcast_twitter($notice) +{ + $flink = Foreign_link::getByUserID($notice->profile_id, + TWITTER_SERVICE); + + if (is_twitter_bound($notice, $flink)) { + if (TwitterOAuthClient::isPackedToken($flink->credentials)) { + return broadcast_oauth($notice, $flink); + } else { + return broadcast_basicauth($notice, $flink); + } + } + + return true; +} + +function broadcast_oauth($notice, $flink) { + $user = $flink->getUser(); + $statustxt = format_status($notice); + // Convert !groups to #hashes + $statustxt = preg_replace('/(^|\s)!([A-Za-z0-9]{1,64})/', "\\1#\\2", $statustxt); + $token = TwitterOAuthClient::unpackToken($flink->credentials); + $client = new TwitterOAuthClient($token->key, $token->secret); + $status = null; + + try { + $status = $client->statusesUpdate($statustxt); + } catch (OAuthClientCurlException $e) { + return process_error($e, $flink); + } + + if (empty($status)) { + + // This could represent a failure posting, + // or the Twitter API might just be behaving flakey. + + $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' . + 'trying to send update for %1$s (user id %2$s).', + $user->nickname, $user->id); + common_log(LOG_WARNING, $errmsg); + + return false; + } + + // Notice crossed the great divide + + $msg = sprintf('Twitter bridge - posted notice %s to Twitter using OAuth.', + $notice->id); + common_log(LOG_INFO, $msg); + + return true; +} + +function broadcast_basicauth($notice, $flink) +{ + $user = $flink->getUser(); + + $statustxt = format_status($notice); + + $client = new TwitterBasicAuthClient($flink); + $status = null; + + try { + $status = $client->statusesUpdate($statustxt); + } catch (BasicAuthCurlException $e) { + return process_error($e, $flink); + } + + if (empty($status)) { + + $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' . + 'trying to send update for %1$s (user id %2$s).', + $user->nickname, $user->id); + common_log(LOG_WARNING, $errmsg); + + $errmsg = sprintf('No data returned by Twitter API when ' . + 'trying to send update for %1$s (user id %2$s).', + $user->nickname, $user->id); + common_log(LOG_WARNING, $errmsg); + return false; + } + + $msg = sprintf('Twitter bridge - posted notice %s to Twitter using basic auth.', + $notice->id); + common_log(LOG_INFO, $msg); + + return true; +} + +function process_error($e, $flink) +{ + $user = $flink->getUser(); + $errmsg = $e->getMessage(); + $delivered = false; + + switch($errmsg) { + case 'The requested URL returned error: 401': + $logmsg = sprintf('Twiter bridge - User %1$s (user id: %2$s) has an invalid ' . + 'Twitter screen_name/password combo or an invalid acesss token.', + $user->nickname, $user->id); + $delivered = true; + remove_twitter_link($flink); + break; + case 'The requested URL returned error: 403': + $logmsg = sprintf('Twitter bridge - User %1$s (user id: %2$s) has exceeded ' . + 'his/her Twitter request limit.', + $user->nickname, $user->id); + break; + default: + $logmsg = sprintf('Twitter bridge - cURL error trying to send notice to Twitter ' . + 'for user %1$s (user id: %2$s) - ' . + 'code: %3$s message: %4$s.', + $user->nickname, $user->id, + $e->getCode(), $e->getMessage()); + break; + } + + common_log(LOG_WARNING, $logmsg); + + return $delivered; +} + +function format_status($notice) +{ + // XXX: Hack to get around PHP cURL's use of @ being a a meta character + return preg_replace('/^@/', ' @', $notice->content); +} + +function remove_twitter_link($flink) +{ + $user = $flink->getUser(); + + common_log(LOG_INFO, 'Removing Twitter bridge Foreign link for ' . + "user $user->nickname (user id: $user->id)."); + + $result = $flink->delete(); + + if (empty($result)) { + common_log(LOG_ERR, 'Could not remove Twitter bridge ' . + "Foreign_link for $user->nickname (user id: $user->id)!"); + common_log_db_error($flink, 'DELETE', __FILE__); + } + + // Notify the user that her Twitter bridge is down + + if (isset($user->email)) { + + $result = mail_twitter_bridge_removed($user); + + if (!$result) { + + $msg = 'Unable to send email to notify ' . + "$user->nickname (user id: $user->id) " . + 'that their Twitter bridge link was ' . + 'removed!'; + + common_log(LOG_WARNING, $msg); + } + } + +} |