559 lines
16 KiB
PHP
Executable File
559 lines
16 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, 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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define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
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// Tune number of processes and how often to poll Twitter
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// XXX: Should these things be in config.php?
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define('MAXCHILDREN', 2);
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define('POLL_INTERVAL', 60); // in seconds
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$shortoptions = 'di::';
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$longoptions = array('id::', 'debug');
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$helptext = <<<END_OF_TRIM_HELP
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Batch script for retrieving Twitter messages from foreign service.
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-i --id Identity (default 'generic')
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-d --debug Debug (lots of log output)
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END_OF_TRIM_HELP;
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require_once INSTALLDIR .'/scripts/commandline.inc';
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require_once INSTALLDIR . '/lib/daemon.php';
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/**
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* Fetcher for statuses from Twitter
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*
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* Fetches statuses from Twitter and inserts them as notices in local
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* system.
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*
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* @category Twitter
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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// NOTE: an Avatar path MUST be set in config.php for this
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// script to work: e.g.: $config['avatar']['path'] = '/statusnet/avatar';
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class TwitterStatusFetcher extends ParallelizingDaemon
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{
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/**
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* Constructor
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*
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* @param string $id the name/id of this daemon
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* @param int $interval sleep this long before doing everything again
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* @param int $max_children maximum number of child processes at a time
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* @param boolean $debug debug output flag
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*
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* @return void
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*
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**/
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function __construct($id = null, $interval = 60,
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$max_children = 2, $debug = null)
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{
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parent::__construct($id, $interval, $max_children, $debug);
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}
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/**
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* Name of this daemon
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*
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* @return string Name of the daemon.
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*/
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function name()
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{
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return ('twitterstatusfetcher.'.$this->_id);
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}
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/**
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* Find all the Twitter foreign links for users who have requested
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* importing of their friends' timelines
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*
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* @return array flinks an array of Foreign_link objects
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*/
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function getObjects()
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{
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global $_DB_DATAOBJECT;
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$flink = new Foreign_link();
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$conn = &$flink->getDatabaseConnection();
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$flink->service = TWITTER_SERVICE;
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$flink->orderBy('last_noticesync');
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$flink->find();
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$flinks = array();
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while ($flink->fetch()) {
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if (($flink->noticesync & FOREIGN_NOTICE_RECV) ==
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FOREIGN_NOTICE_RECV) {
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$flinks[] = clone($flink);
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}
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}
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$flink->free();
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unset($flink);
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$conn->disconnect();
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unset($_DB_DATAOBJECT['CONNECTIONS']);
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return $flinks;
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}
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function childTask($flink) {
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// Each child ps needs its own DB connection
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// Note: DataObject::getDatabaseConnection() creates
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// a new connection if there isn't one already
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$conn = &$flink->getDatabaseConnection();
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$this->getTimeline($flink);
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$flink->last_friendsync = common_sql_now();
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$flink->update();
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$conn->disconnect();
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// XXX: Couldn't find a less brutal way to blow
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// away a cached connection
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global $_DB_DATAOBJECT;
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unset($_DB_DATAOBJECT['CONNECTIONS']);
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}
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function getTimeline($flink)
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{
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if (empty($flink)) {
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common_log(LOG_WARNING, $this->name() .
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" - Can't retrieve Foreign_link for foreign ID $fid");
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return;
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}
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common_debug($this->name() . ' - Trying to get timeline for Twitter user ' .
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$flink->foreign_id);
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// XXX: Biggest remaining issue - How do we know at which status
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// to start importing? How many statuses? Right now I'm going
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// with the default last 20.
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$token = TwitterOAuthClient::unpackToken($flink->credentials);
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$client = new TwitterOAuthClient($token->key, $token->secret);
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$timeline = null;
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try {
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$timeline = $client->statusesFriendsTimeline();
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} catch (OAuthClientCurlException $e) {
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common_log(LOG_WARNING, $this->name() .
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' - OAuth client unable to get friends timeline for user ' .
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$flink->user_id . ' - code: ' .
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$e->getCode() . 'msg: ' . $e->getMessage());
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}
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if (empty($timeline)) {
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common_log(LOG_WARNING, $this->name() . " - Empty timeline.");
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return;
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}
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// Reverse to preserve order
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foreach (array_reverse($timeline) as $status) {
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// Hacktastic: filter out stuff coming from this StatusNet
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$source = mb_strtolower(common_config('integration', 'source'));
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if (preg_match("/$source/", mb_strtolower($status->source))) {
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common_debug($this->name() . ' - Skipping import of status ' .
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$status->id . ' with source ' . $source);
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continue;
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}
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$this->saveStatus($status, $flink);
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}
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// Okay, record the time we synced with Twitter for posterity
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$flink->last_noticesync = common_sql_now();
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$flink->update();
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}
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function saveStatus($status, $flink)
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{
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$id = $this->ensureProfile($status->user);
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$profile = Profile::staticGet($id);
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if (empty($profile)) {
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common_log(LOG_ERR, $this->name() .
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' - Problem saving notice. No associated Profile.');
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return null;
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}
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// XXX: change of screen name?
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$uri = 'http://twitter.com/' . $status->user->screen_name .
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'/status/' . $status->id;
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$notice = Notice::staticGet('uri', $uri);
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// check to see if we've already imported the status
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if (empty($notice)) {
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$notice = new Notice();
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$notice->profile_id = $id;
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$notice->uri = $uri;
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$notice->created = strftime('%Y-%m-%d %H:%M:%S',
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strtotime($status->created_at));
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$notice->content = common_shorten_links($status->text); // XXX
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$notice->rendered = common_render_content($notice->content, $notice);
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$notice->source = 'twitter';
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$notice->reply_to = null; // XXX: lookup reply
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$notice->is_local = Notice::GATEWAY;
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if (Event::handle('StartNoticeSave', array(&$notice))) {
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$id = $notice->insert();
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Event::handle('EndNoticeSave', array($notice));
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}
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}
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if (!Notice_inbox::pkeyGet(array('notice_id' => $notice->id,
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'user_id' => $flink->user_id))) {
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// Add to inbox
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$inbox = new Notice_inbox();
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$inbox->user_id = $flink->user_id;
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$inbox->notice_id = $notice->id;
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$inbox->created = $notice->created;
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$inbox->source = NOTICE_INBOX_SOURCE_GATEWAY; // From a private source
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$inbox->insert();
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}
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}
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function ensureProfile($user)
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{
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// check to see if there's already a profile for this user
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$profileurl = 'http://twitter.com/' . $user->screen_name;
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$profile = Profile::staticGet('profileurl', $profileurl);
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if (!empty($profile)) {
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common_debug($this->name() .
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" - Profile for $profile->nickname found.");
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// Check to see if the user's Avatar has changed
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$this->checkAvatar($user, $profile);
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return $profile->id;
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} else {
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common_debug($this->name() . ' - Adding profile and remote profile ' .
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"for Twitter user: $profileurl.");
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$profile = new Profile();
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$profile->query("BEGIN");
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$profile->nickname = $user->screen_name;
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$profile->fullname = $user->name;
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$profile->homepage = $user->url;
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$profile->bio = $user->description;
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$profile->location = $user->location;
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$profile->profileurl = $profileurl;
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$profile->created = common_sql_now();
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$id = $profile->insert();
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if (empty($id)) {
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common_log_db_error($profile, 'INSERT', __FILE__);
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$profile->query("ROLLBACK");
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return false;
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}
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// check for remote profile
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$remote_pro = Remote_profile::staticGet('uri', $profileurl);
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if (empty($remote_pro)) {
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$remote_pro = new Remote_profile();
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$remote_pro->id = $id;
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$remote_pro->uri = $profileurl;
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$remote_pro->created = common_sql_now();
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$rid = $remote_pro->insert();
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if (empty($rid)) {
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common_log_db_error($profile, 'INSERT', __FILE__);
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$profile->query("ROLLBACK");
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return false;
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}
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}
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$profile->query("COMMIT");
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$this->saveAvatars($user, $id);
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return $id;
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}
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}
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function checkAvatar($twitter_user, $profile)
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{
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global $config;
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$path_parts = pathinfo($twitter_user->profile_image_url);
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$newname = 'Twitter_' . $twitter_user->id . '_' .
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$path_parts['basename'];
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$oldname = $profile->getAvatar(48)->filename;
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if ($newname != $oldname) {
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common_debug($this->name() . ' - Avatar for Twitter user ' .
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"$profile->nickname has changed.");
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common_debug($this->name() . " - old: $oldname new: $newname");
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$this->updateAvatars($twitter_user, $profile);
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}
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if ($this->missingAvatarFile($profile)) {
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common_debug($this->name() . ' - Twitter user ' .
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$profile->nickname .
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' is missing one or more local avatars.');
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common_debug($this->name() ." - old: $oldname new: $newname");
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$this->updateAvatars($twitter_user, $profile);
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}
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}
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function updateAvatars($twitter_user, $profile) {
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global $config;
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$path_parts = pathinfo($twitter_user->profile_image_url);
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$img_root = substr($path_parts['basename'], 0, -11);
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$ext = $path_parts['extension'];
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$mediatype = $this->getMediatype($ext);
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foreach (array('mini', 'normal', 'bigger') as $size) {
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$url = $path_parts['dirname'] . '/' .
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$img_root . '_' . $size . ".$ext";
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$filename = 'Twitter_' . $twitter_user->id . '_' .
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$img_root . "_$size.$ext";
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$this->updateAvatar($profile->id, $size, $mediatype, $filename);
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$this->fetchAvatar($url, $filename);
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}
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}
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function missingAvatarFile($profile) {
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foreach (array(24, 48, 73) as $size) {
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$filename = $profile->getAvatar($size)->filename;
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$avatarpath = Avatar::path($filename);
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if (file_exists($avatarpath) == FALSE) {
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return true;
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}
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}
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return false;
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}
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function getMediatype($ext)
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{
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$mediatype = null;
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switch (strtolower($ext)) {
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case 'jpg':
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$mediatype = 'image/jpg';
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break;
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case 'gif':
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$mediatype = 'image/gif';
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break;
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default:
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$mediatype = 'image/png';
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}
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return $mediatype;
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}
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function saveAvatars($user, $id)
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{
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global $config;
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$path_parts = pathinfo($user->profile_image_url);
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$ext = $path_parts['extension'];
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$end = strlen('_normal' . $ext);
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$img_root = substr($path_parts['basename'], 0, -($end+1));
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$mediatype = $this->getMediatype($ext);
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foreach (array('mini', 'normal', 'bigger') as $size) {
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$url = $path_parts['dirname'] . '/' .
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$img_root . '_' . $size . ".$ext";
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$filename = 'Twitter_' . $user->id . '_' .
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$img_root . "_$size.$ext";
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if ($this->fetchAvatar($url, $filename)) {
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$this->newAvatar($id, $size, $mediatype, $filename);
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} else {
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common_log(LOG_WARNING, $this->id() .
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" - Problem fetching Avatar: $url");
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}
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}
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}
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function updateAvatar($profile_id, $size, $mediatype, $filename) {
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common_debug($this->name() . " - Updating avatar: $size");
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$profile = Profile::staticGet($profile_id);
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if (empty($profile)) {
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common_debug($this->name() . " - Couldn't get profile: $profile_id!");
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return;
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}
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$sizes = array('mini' => 24, 'normal' => 48, 'bigger' => 73);
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$avatar = $profile->getAvatar($sizes[$size]);
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// Delete the avatar, if present
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if ($avatar) {
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$avatar->delete();
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}
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$this->newAvatar($profile->id, $size, $mediatype, $filename);
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}
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function newAvatar($profile_id, $size, $mediatype, $filename)
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{
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global $config;
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$avatar = new Avatar();
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$avatar->profile_id = $profile_id;
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switch($size) {
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case 'mini':
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$avatar->width = 24;
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$avatar->height = 24;
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break;
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case 'normal':
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$avatar->width = 48;
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$avatar->height = 48;
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break;
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default:
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// Note: Twitter's big avatars are a different size than
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// StatusNet's (Laconica's = 96)
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$avatar->width = 73;
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$avatar->height = 73;
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}
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$avatar->original = 0; // we don't have the original
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$avatar->mediatype = $mediatype;
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$avatar->filename = $filename;
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$avatar->url = Avatar::url($filename);
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common_debug($this->name() . " - New filename: $avatar->url");
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$avatar->created = common_sql_now();
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$id = $avatar->insert();
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if (empty($id)) {
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common_log_db_error($avatar, 'INSERT', __FILE__);
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return null;
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}
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common_debug($this->name() .
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" - Saved new $size avatar for $profile_id.");
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return $id;
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}
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function fetchAvatar($url, $filename)
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{
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$avatar_dir = INSTALLDIR . '/avatar/';
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$avatarfile = $avatar_dir . $filename;
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$out = fopen($avatarfile, 'wb');
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if (!$out) {
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common_log(LOG_WARNING, $this->name() .
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" - Couldn't open file $filename");
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return false;
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}
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common_debug($this->name() . " - Fetching Twitter avatar: $url");
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_FILE, $out);
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curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 0);
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$result = curl_exec($ch);
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curl_close($ch);
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fclose($out);
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return $result;
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}
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}
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$id = null;
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$debug = null;
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if (have_option('i')) {
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$id = get_option_value('i');
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} else if (have_option('--id')) {
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$id = get_option_value('--id');
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} else if (count($args) > 0) {
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$id = $args[0];
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} else {
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$id = null;
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}
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if (have_option('d') || have_option('debug')) {
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$debug = true;
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}
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$fetcher = new TwitterStatusFetcher($id, 60, 2, $debug);
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$fetcher->runOnce();
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