forked from GNUsocial/gnu-social
f98609204f
Revert "Locale switch cleanup: use common_switch_locale() which is safer for updating gettext state. Also moved a few calls to reduce chance of hitting an exception before switching back."
This reverts commit 74a89b1fc3.
361 lines
11 KiB
PHP
361 lines
11 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008-2010 StatusNet, Inc.
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*
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* 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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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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define('TWITTER_SERVICE', 1); // Twitter is foreign_service ID 1
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require_once INSTALLDIR . '/plugins/TwitterBridge/twitterbasicauthclient.php';
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require_once INSTALLDIR . '/plugins/TwitterBridge/twitteroauthclient.php';
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function add_twitter_user($twitter_id, $screen_name)
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{
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// Clear out any bad old foreign_users with the new user's legit URL
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// This can happen when users move around or fakester accounts get
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// repoed, and things like that.
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$luser = Foreign_user::getForeignUser($twitter_id, TWITTER_SERVICE);
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if (!empty($luser)) {
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$result = $luser->delete();
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if ($result != false) {
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common_log(
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LOG_INFO,
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"Twitter bridge - removed old Twitter user: $screen_name ($twitter_id)."
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);
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}
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}
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$fuser = new Foreign_user();
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$fuser->nickname = $screen_name;
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$fuser->uri = 'http://twitter.com/' . $screen_name;
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$fuser->id = $twitter_id;
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$fuser->service = TWITTER_SERVICE;
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$fuser->created = common_sql_now();
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$result = $fuser->insert();
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if (empty($result)) {
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common_log(LOG_WARNING,
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"Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name.");
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common_log_db_error($fuser, 'INSERT', __FILE__);
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} else {
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common_log(LOG_INFO,
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"Twitter bridge - Added new Twitter user: $screen_name ($twitter_id).");
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}
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return $result;
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}
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// Creates or Updates a Twitter user
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function save_twitter_user($twitter_id, $screen_name)
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{
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// Check to see whether the Twitter user is already in the system,
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// and update its screen name and uri if so.
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$fuser = Foreign_user::getForeignUser($twitter_id, TWITTER_SERVICE);
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if (!empty($fuser)) {
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$result = true;
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// Delete old record if Twitter user changed screen name
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if ($fuser->nickname != $screen_name) {
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$oldname = $fuser->nickname;
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$fuser->delete();
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common_log(LOG_INFO, sprintf('Twitter bridge - Updated nickname (and URI) ' .
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'for Twitter user %1$d - %2$s, was %3$s.',
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$fuser->id,
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$screen_name,
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$oldname));
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}
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}
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return add_twitter_user($twitter_id, $screen_name);
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}
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function is_twitter_bound($notice, $flink) {
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// Check to see if notice should go to Twitter
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if (!empty($flink) && ($flink->noticesync & FOREIGN_NOTICE_SEND)) {
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// If it's not a Twitter-style reply, or if the user WANTS to send replies.
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if (!preg_match('/^@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) ||
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($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) {
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return true;
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}
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}
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return false;
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}
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function broadcast_twitter($notice)
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{
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$flink = Foreign_link::getByUserID($notice->profile_id,
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TWITTER_SERVICE);
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if (is_twitter_bound($notice, $flink)) {
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if (TwitterOAuthClient::isPackedToken($flink->credentials)) {
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return broadcast_oauth($notice, $flink);
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} else {
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return broadcast_basicauth($notice, $flink);
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}
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}
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return true;
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}
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/**
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* Pull any extra information from a notice that we should transfer over
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* to Twitter beyond the notice text itself.
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*
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* @param Notice $notice
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* @return array of key-value pairs for Twitter update submission
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* @access private
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*/
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function twitter_update_params($notice)
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{
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$params = array();
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if ($notice->lat || $notice->lon) {
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$params['lat'] = $notice->lat;
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$params['long'] = $notice->lon;
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}
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return $params;
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}
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function broadcast_oauth($notice, $flink) {
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$user = $flink->getUser();
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$statustxt = format_status($notice);
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$params = twitter_update_params($notice);
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$token = TwitterOAuthClient::unpackToken($flink->credentials);
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$client = new TwitterOAuthClient($token->key, $token->secret);
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$status = null;
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try {
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$status = $client->statusesUpdate($statustxt, $params);
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} catch (OAuthClientException $e) {
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return process_error($e, $flink, $notice);
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}
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if (empty($status)) {
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// This could represent a failure posting,
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// or the Twitter API might just be behaving flakey.
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$errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
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'trying to post notice %d for User %s (user id %d).',
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$notice->id,
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$user->nickname,
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$user->id);
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common_log(LOG_WARNING, $errmsg);
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return false;
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}
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// Notice crossed the great divide
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$msg = sprintf('Twitter bridge - posted notice %d to Twitter using ' .
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'OAuth for User %s (user id %d).',
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$notice->id,
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$user->nickname,
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$user->id);
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common_log(LOG_INFO, $msg);
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return true;
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}
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function broadcast_basicauth($notice, $flink)
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{
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$user = $flink->getUser();
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$statustxt = format_status($notice);
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$params = twitter_update_params($notice);
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$client = new TwitterBasicAuthClient($flink);
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$status = null;
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try {
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$status = $client->statusesUpdate($statustxt, $params);
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} catch (BasicAuthException $e) {
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return process_error($e, $flink, $notice);
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}
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if (empty($status)) {
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$errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
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'trying to post notice %d for %s (user id %d).',
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$notice->id,
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$user->nickname,
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$user->id);
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common_log(LOG_WARNING, $errmsg);
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$errmsg = sprintf('No data returned by Twitter API when ' .
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'trying to post notice %d for %s (user id %d).',
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$notice->id,
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$user->nickname,
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$user->id);
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common_log(LOG_WARNING, $errmsg);
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return false;
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}
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$msg = sprintf('Twitter bridge - posted notice %d to Twitter using ' .
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'HTTP basic auth for User %s (user id %d).',
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$notice->id,
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$user->nickname,
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$user->id);
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common_log(LOG_INFO, $msg);
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return true;
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}
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function process_error($e, $flink, $notice)
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{
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$user = $flink->getUser();
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$code = $e->getCode();
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$logmsg = sprintf('Twitter bridge - %d posting notice %d for ' .
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'User %s (user id: %d): %s.',
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$code,
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$notice->id,
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$user->nickname,
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$user->id,
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$e->getMessage());
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common_log(LOG_WARNING, $logmsg);
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switch($code) {
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case 401:
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// Probably a revoked or otherwise bad access token - nuke!
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remove_twitter_link($flink);
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return true;
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break;
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case 403:
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// User has exceeder her rate limit -- toss the notice
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return true;
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break;
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default:
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// For every other case, it's probably some flakiness so try
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// sending the notice again later (requeue).
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return false;
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break;
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}
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}
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function format_status($notice)
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{
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// XXX: Hack to get around PHP cURL's use of @ being a a meta character
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$statustxt = preg_replace('/^@/', ' @', $notice->content);
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// Convert !groups to #hashes
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// XXX: Make this an optional setting?
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$statustxt = preg_replace('/(^|\s)!([A-Za-z0-9]{1,64})/', "\\1#\\2", $statustxt);
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if (mb_strlen($statustxt) > 140) {
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$noticeUrl = common_shorten_url($notice->uri);
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$urlLen = mb_strlen($noticeUrl);
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$statustxt = mb_substr($statustxt, 0, 140 - ($urlLen + 3)) . ' … ' . $noticeUrl;
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}
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return $statustxt;
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}
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function remove_twitter_link($flink)
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{
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$user = $flink->getUser();
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common_log(LOG_INFO, 'Removing Twitter bridge Foreign link for ' .
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"user $user->nickname (user id: $user->id).");
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$result = $flink->safeDelete();
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if (empty($result)) {
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common_log(LOG_ERR, 'Could not remove Twitter bridge ' .
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"Foreign_link for $user->nickname (user id: $user->id)!");
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common_log_db_error($flink, 'DELETE', __FILE__);
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}
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// Notify the user that her Twitter bridge is down
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if (isset($user->email)) {
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$result = mail_twitter_bridge_removed($user);
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if (!$result) {
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$msg = 'Unable to send email to notify ' .
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"$user->nickname (user id: $user->id) " .
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'that their Twitter bridge link was ' .
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'removed!';
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common_log(LOG_WARNING, $msg);
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}
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}
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}
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/**
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* Send a mail message to notify a user that her Twitter bridge link
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* has stopped working, and therefore has been removed. This can
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* happen when the user changes her Twitter password, or otherwise
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* revokes access.
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*
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* @param User $user user whose Twitter bridge link has been removed
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*
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* @return boolean success flag
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*/
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function mail_twitter_bridge_removed($user)
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{
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common_init_locale($user->language);
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$profile = $user->getProfile();
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$subject = sprintf(_m('Your Twitter bridge has been disabled.'));
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$site_name = common_config('site', 'name');
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$body = sprintf(_m('Hi, %1$s. We\'re sorry to inform you that your ' .
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'link to Twitter has been disabled. We no longer seem to have ' .
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'permission to update your Twitter status. (Did you revoke ' .
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'%3$s\'s access?)' . "\n\n" .
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'You can re-enable your Twitter bridge by visiting your ' .
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"Twitter settings page:\n\n\t%2\$s\n\n" .
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"Regards,\n%3\$s\n"),
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$profile->getBestName(),
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common_local_url('twittersettings'),
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common_config('site', 'name'));
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common_init_locale();
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return mail_to_user($user, $subject, $body);
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}
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