a76f067631
Should fix issue #3027: twitter user avatars not getting imported. Due to the change in URI, all twitter users that had been previously seen were getting new profile entries, which tried to save the same avatar. This would fail as Avatar.url has a unique index. Note: now anything new seen in the last couple days in production will still potentially conflict.
425 lines
13 KiB
PHP
425 lines
13 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/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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// 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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} else {
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// Kill any old, invalid records for this screen name
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$fuser = Foreign_user::getByNickname($screen_name, TWITTER_SERVICE);
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if (!empty($fuser)) {
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$fuser->delete();
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common_log(
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LOG_INFO,
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sprintf(
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'Twitter bridge - deteted old record for Twitter ' .
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'screen name "%s" belonging to Twitter ID %d.',
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$screen_name,
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$fuser->id
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)
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);
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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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// or if it's in reply to a twitter notice
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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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is_twitter_notice($notice->reply_to)) {
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return true;
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}
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}
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return false;
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}
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function is_twitter_notice($id)
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{
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$n2s = Notice_to_status::staticGet('notice_id', $id);
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return (!empty($n2s));
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}
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/**
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* Pull the formatted status ID number from a Twitter status object
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* returned via JSON from Twitter API.
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*
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* Encapsulates checking for the id_str attribute, which is required
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* to read 64-bit "Snowflake" ID numbers on a 32-bit system -- the
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* integer id attribute gets corrupted into a double-precision float,
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* losing a few digits of precision.
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*
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* Warning: avoid performing arithmetic or direct comparisons with
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* this number, as it may get coerced back to a double on 32-bit.
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*
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* @param object $status
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* @param string $field base field name if not 'id'
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* @return mixed id number as int or string
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*/
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function twitter_id($status, $field='id')
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{
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$field_str = "{$field}_str";
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if (isset($status->$field_str)) {
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// String version of the id -- required on 32-bit systems
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// since the 64-bit numbers get corrupted as ints.
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return $status->$field_str;
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} else {
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return $status->$field;
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}
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}
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/**
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* Check if we need to broadcast a notice over the Twitter bridge, and
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* do so if necessary. Will determine whether to do a straight post or
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* a repeat/retweet
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*
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* This function is meant to be called directly from TwitterQueueHandler.
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*
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* @param Notice $notice
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* @return boolean true if complete or successful, false if we should retry
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*/
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function broadcast_twitter($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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// Don't bother with basic auth, since it's no longer allowed
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if (!empty($flink) && TwitterOAuthClient::isPackedToken($flink->credentials)) {
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if (!empty($notice->repeat_of) && is_twitter_notice($notice->repeat_of)) {
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$retweet = retweet_notice($flink, Notice::staticGet('id', $notice->repeat_of));
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if (is_object($retweet)) {
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Notice_to_status::saveNew($notice->id, twitter_id($retweet));
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return true;
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} else {
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// Our error processing will have decided if we need to requeue
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// this or can discard safely.
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return $retweet;
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}
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} else if (is_twitter_bound($notice, $flink)) {
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return broadcast_oauth($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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* Send a retweet to Twitter for a notice that has been previously bridged
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* in or out.
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*
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* Warning: the return value is not guaranteed to be an object; some error
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* conditions will return a 'true' which should be passed on to a calling
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* queue handler.
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*
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* No local information about the resulting retweet is saved: it's up to
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* caller to save new mappings etc if appropriate.
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*
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* @param Foreign_link $flink
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* @param Notice $notice
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* @return mixed object with resulting Twitter status data on success, or true/false/null on error conditions.
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*/
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function retweet_notice($flink, $notice)
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{
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$token = TwitterOAuthClient::unpackToken($flink->credentials);
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$client = new TwitterOAuthClient($token->key, $token->secret);
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$id = twitter_status_id($notice);
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if (empty($id)) {
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common_log(LOG_WARNING, "Trying to retweet notice {$notice->id} with no known status id.");
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return null;
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}
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try {
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$status = $client->statusesRetweet($id);
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return $status;
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} catch (OAuthClientException $e) {
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return process_error($e, $flink, $notice);
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}
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}
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function twitter_status_id($notice)
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{
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$n2s = Notice_to_status::staticGet('notice_id', $notice->id);
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if (empty($n2s)) {
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return null;
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} else {
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return $n2s->status_id;
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}
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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'] = $notice->lon;
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}
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if (!empty($notice->reply_to) && is_twitter_notice($notice->reply_to)) {
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$reply = Notice::staticGet('id', $notice->reply_to);
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$params['in_reply_to_status_id'] = twitter_status_id($reply);
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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, $params);
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if (!empty($status)) {
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Notice_to_status::saveNew($notice->id, twitter_id($status));
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}
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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, $msg);
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return true;
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}
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function process_error($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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// Start with the plaintext source of this notice...
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$statustxt = $notice->content;
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// Convert !groups to #hashes
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// XXX: Make this an optional setting?
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$statustxt = preg_replace('/(^|\s)!([A-Za-z0-9]{1,64})/', "\\1#\\2", $statustxt);
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// Twitter still has a 140-char hardcoded max.
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if (mb_strlen($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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$profile = $user->getProfile();
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common_switch_locale($user->language);
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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 maybe revoke ' .
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'%3$s\'s access?' . "\n\n" .
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'You can re-enable your Twitter bridge by visiting your ' .
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"Twitter settings page:\n\n\t%2\$s\n\n" .
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"Regards,\n%3\$s"),
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$profile->getBestName(),
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common_local_url('twittersettings'),
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common_config('site', 'name'));
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common_switch_locale();
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return mail_to_user($user, $subject, $body);
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}
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