forked from GNUsocial/gnu-social
611 lines
18 KiB
PHP
611 lines
18 KiB
PHP
#!/usr/bin/env php
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<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, 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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// Abort if called from a web server
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if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
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print "This script must be run from the command line\n";
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exit();
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}
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define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
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define('LACONICA', true);
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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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// Uncomment this to get useful console output
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define('SCRIPT_DEBUG', true);
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require_once(INSTALLDIR . '/lib/common.php');
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require_once(INSTALLDIR . '/lib/daemon.php');
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class TwitterStatusFetcher extends Daemon
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{
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private $children = array();
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function name()
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{
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return 'twitterstatusfetcher';
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}
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function run()
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{
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do {
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$flinks = $this->refreshFlinks();
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foreach ($flinks as $f){
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// We have to disconnect from the DB before forking so
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// each sub-process will open its own connection and
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// avoid stomping on the others
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$conn = &$f->getDatabaseConnection();
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$conn->disconnect();
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$pid = pcntl_fork();
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if ($pid == -1) {
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die ("Couldn't fork!");
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}
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if ($pid) {
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// Parent
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common_debug("Parent: forked new status fetcher process " . $pid);
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if (defined('SCRIPT_DEBUG')) {
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print "Parent: forked fetcher process " . $pid . "\n";
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}
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$this->children[] = $pid;
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} else {
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// Child
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$this->getTimeline($f);
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exit();
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}
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// Remove child from ps list as it finishes
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while(($c = pcntl_wait($status, WNOHANG OR WUNTRACED)) > 0) {
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common_debug("Child $c finished.");
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if (defined('SCRIPT_DEBUG')) {
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print "Child $c finished.\n";
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}
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$this->remove_ps($this->children, $c);
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}
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// Wait! We have too many damn kids.
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if (sizeof($this->children) > MAXCHILDREN) {
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common_debug('Too many children. Waiting...');
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if (defined('SCRIPT_DEBUG')) {
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print "Too many children. Waiting...\n";
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}
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if (($c = pcntl_wait($status, WUNTRACED)) > 0){
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common_debug("Finished waiting for $c");
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if (defined('SCRIPT_DEBUG')) {
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print "Finished waiting for $c\n";
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}
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$this->remove_ps($this->children, $c);
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}
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}
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}
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// Remove all children from the process list before restarting
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while(($c = pcntl_wait($status, WUNTRACED)) > 0) {
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common_debug("Child $c finished.");
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if (defined('SCRIPT_DEBUG')) {
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print "Child $c finished.\n";
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}
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$this->remove_ps($this->children, $c);
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}
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// Rest for a bit before we fetch more statuses
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common_debug('Waiting ' . POLL_INTERVAL .
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' secs before hitting Twitter again.');
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if (defined('SCRIPT_DEBUG')) {
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print 'Waiting ' . POLL_INTERVAL .
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" secs before hitting Twitter again.\n";
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}
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sleep(POLL_INTERVAL);
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} while (true);
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}
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function refreshFlinks() {
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$flink = new Foreign_link();
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$flink->service = 1; // Twitter
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$flink->orderBy('last_noticesync');
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$cnt = $flink->find();
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if (defined('SCRIPT_DEBUG')) {
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print "Updating Twitter friends subscriptions for $cnt users.\n";
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}
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$flinks = array();
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while ($flink->fetch()) {
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if (($flink->noticesync & FOREIGN_NOTICE_RECV) == 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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return $flinks;
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}
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function remove_ps(&$plist, $ps){
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for ($i = 0; $i < sizeof($plist); $i++) {
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if ($plist[$i] == $ps) {
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unset($plist[$i]);
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$plist = array_values($plist);
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break;
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}
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}
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}
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function getTimeline($flink)
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{
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if (empty($flink)) {
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common_log(LOG_WARNING, "Can't retrieve Foreign_link for foreign ID $fid");
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if (defined('SCRIPT_DEBUG')) {
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print "Can't retrieve Foreign_link for foreign ID $fid\n";
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}
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return;
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}
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$fuser = $flink->getForeignUser();
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if (empty($fuser)) {
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common_log(LOG_WARNING, "Unmatched user for ID " . $flink->user_id);
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if (defined('SCRIPT_DEBUG')) {
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print "Unmatched user for ID $flink->user_id\n";
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}
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return;
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}
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common_debug('Trying to get timeline for Twitter user ' .
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"$fuser->nickname ($flink->foreign_id).");
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if (defined('SCRIPT_DEBUG')) {
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print 'Trying to get timeline for Twitter user ' .
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"$fuser->nickname ($flink->foreign_id).\n";
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}
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$url = 'http://twitter.com/statuses/friends_timeline.json';
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$timeline_json = get_twitter_data($url, $fuser->nickname,
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$flink->credentials);
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$timeline = json_decode($timeline_json);
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if (empty($timeline)) {
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common_log(LOG_WARNING, "Empty timeline.");
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if (defined('SCRIPT_DEBUG')) {
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print "Empty timeline!\n";
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}
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return;
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}
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foreach ($timeline as $status) {
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// Hacktastic: filter out stuff coming from Laconica
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$source = mb_strtolower(common_config('integration', 'source'));
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if (preg_match("/$source/", mb_strtolower($status->source))) {
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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 (!$profile) {
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common_log(LOG_ERR, 'Problem saving notice. No associated Profile.');
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if (defined('SCRIPT_DEBUG')) {
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print "Problem saving notice. No associated Profile.\n";
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}
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return null;
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}
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$uri = 'http://twitter.com/' . $status->user->screen_name .
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'/status/' . $status->id;
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// Skip save if notice source is Laconica or Identi.ca?
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$notice = Notice::staticGet('uri', $uri);
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// check to see if we've already imported the status
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if (!$notice) {
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$notice = new Notice();
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$notice->profile_id = $id;
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$notice->query('BEGIN');
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// XXX: figure out reply_to
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$notice->reply_to = null;
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// XXX: Should this be common_sql_now() instead of status create date?
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$notice->created = strftime('%Y-%m-%d %H:%M:%S',
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strtotime($status->created_at));
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$notice->content = $status->text;
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$notice->rendered = common_render_content($status->text, $notice);
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$notice->source = 'twitter';
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$notice->is_local = 0;
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$notice->uri = $uri;
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$notice_id = $notice->insert();
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if (!$notice_id) {
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common_log_db_error($notice, 'INSERT', __FILE__);
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if (defined('SCRIPT_DEBUG')) {
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print "Could not save notice!\n";
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}
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}
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// XXX: Figure out a better way to link replies?
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$notice->saveReplies();
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// XXX: Do we want to polute our tag cloud with hashtags from Twitter?
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$notice->saveTags();
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$notice->saveGroups();
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$notice->query('COMMIT');
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if (defined('SCRIPT_DEBUG')) {
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print "Saved status $status->id as notice $notice->id.\n";
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}
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}
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if (!Notice_inbox::staticGet('notice_id', $notice->id)) {
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// Add to inbox
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$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 = common_sql_now();
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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', $profileurl);
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if ($profile) {
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common_debug("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 $profile->id;
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} else {
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$debugmsg = 'Adding profile and remote profile ' .
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"for Twitter user: $profileurl\n";
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common_debug($debugmsg, __FILE__);
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if (defined('SCRIPT_DEBUG')) {
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print $debugmsg;
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}
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$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($profile, 'INSERT', __FILE__);
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if (defined('SCRIPT_DEBUG')) {
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print 'Could not insert Profile: ' .
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common_log_objstring($profile) . "\n";
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}
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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', $profileurl);
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if (!$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($profile, 'INSERT', __FILE__);
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if (defined('SCRIPT_DEBUG')) {
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print 'Could not insert Remote_profile: ' .
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common_log_objstring($remote_pro) . "\n";
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}
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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 $id;
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}
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}
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function checkAvatar($user, $profile)
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{
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global $config;
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$path_parts = pathinfo($user->profile_image_url);
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$newname = '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("Avatar for Twitter user $profile->nickname has changed.");
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common_debug("old: $oldname new: $newname");
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if (defined('SCRIPT_DEBUG')) {
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print "Avatar for Twitter user $user->id has changed.\n";
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print "old: $oldname\n";
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print "new: $newname\n";
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}
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$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_' . $user->id . '_' .
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$img_root . "_$size.$ext";
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if ($this->fetchAvatar($url, $filename)) {
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$this->updateAvatar($profile->id, $size, $mediatype, $filename);
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}
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}
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}
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}
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function getMediatype($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, "Problem fetching Avatar: $url", __FILE__);
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if (defined('SCRIPT_DEBUG')) {
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print "Problem fetching Avatar: $url\n";
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}
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}
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}
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}
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function updateAvatar($profile_id, $size, $mediatype, $filename) {
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common_debug("Updating avatar: $size");
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if (defined('SCRIPT_DEBUG')) {
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print "Updating avatar: $size\n";
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}
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$profile = Profile::staticGet($profile_id);
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if (!$profile) {
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common_debug("Couldn't get profile: $profile_id!");
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if (defined('SCRIPT_DEBUG')) {
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print "Couldn't get profile: $profile_id!\n";
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}
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return;
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}
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$sizes = array('mini' => 24, 'normal' => 48, 'bigger' => 73);
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$avatar = $profile->getAvatar($sizes[$size]);
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if ($avatar) {
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common_debug("Deleting $size avatar for $profile->nickname.");
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@unlink(INSTALLDIR . '/avatar/' . $avatar->filename);
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$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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// Laconica'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("new filename: $avatar->url");
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if (defined('SCRIPT_DEBUG')) {
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print "New filename: $avatar->url\n";
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}
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$avatar->created = common_sql_now();
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$id = $avatar->insert();
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if (!$id) {
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common_log_db_error($avatar, 'INSERT', __FILE__);
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if (defined('SCRIPT_DEBUG')) {
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print "Could not insert avatar!\n";
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}
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return null;
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}
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common_debug("Saved new $size avatar for $profile_id.");
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if (defined('SCRIPT_DEBUG')) {
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print "Saved new $size avatar for $profile_id.\n";
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}
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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($avatarfile, 'wb');
|
|
if (!$out) {
|
|
common_log(LOG_WARNING, "Couldn't open file $filename", __FILE__);
|
|
if (defined('SCRIPT_DEBUG')) {
|
|
print "Couldn't open file! $filename\n";
|
|
}
|
|
return false;
|
|
}
|
|
|
|
common_debug("Fetching avatar: $url", __FILE__);
|
|
if (defined('SCRIPT_DEBUG')) {
|
|
print "Fetching avatar from Twitter: $url\n";
|
|
}
|
|
|
|
$ch = curl_init();
|
|
curl_setopt($ch, CURLOPT_URL, $url);
|
|
curl_setopt($ch, CURLOPT_FILE, $out);
|
|
curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
|
|
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
|
|
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 0);
|
|
$result = curl_exec($ch);
|
|
curl_close($ch);
|
|
|
|
fclose($out);
|
|
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
ini_set("max_execution_time", "0");
|
|
ini_set("max_input_time", "0");
|
|
set_time_limit(0);
|
|
mb_internal_encoding('UTF-8');
|
|
declare(ticks = 1);
|
|
|
|
$fetcher = new TwitterStatusFetcher();
|
|
$fetcher->runOnce();
|
|
|