gnu-social/scripts/update_facebook.php

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#!/usr/bin/env php
<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
# Abort if called from a web server
if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
print "This script must be run from the command line\n";
exit();
}
define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
define('LACONICA', true);
require_once INSTALLDIR . '/lib/common.php';
require_once INSTALLDIR . '/lib/facebookutil.php';
// For storing the last run date-time
$last_updated_file = INSTALLDIR . '/scripts/facebook_last_updated';
// Lock file name
$lock_file = INSTALLDIR . '/scripts/update_facebook.lock';
// Make sure only one copy of the script is running at a time
$lock_file = @fopen($lock_file, "w+");
if (!flock( $lock_file, LOCK_EX | LOCK_NB, &$wouldblock) || $wouldblock) {
die("Can't open lock file. Script already running?\n");
}
$facebook = getFacebook();
$current_time = time();
$since = getLastUpdated();
updateLastUpdated($current_time);
$notice = getFacebookNotices($since);
$cnt = 0;
while($notice->fetch()) {
$flink = Foreign_link::getByUserID($notice->profile_id, FACEBOOK_SERVICE);
$user = $flink->getUser();
$fbuid = $flink->foreign_id;
if (!userCanUpdate($fbuid)) {
continue;
}
$prefix = $facebook->api_client->data_getUserPreference(FACEBOOK_NOTICE_PREFIX, $fbuid);
$content = "$prefix $notice->content";
if (($flink->noticesync & FOREIGN_NOTICE_SEND) == FOREIGN_NOTICE_SEND) {
// If it's not a reply, or if the user WANTS to send replies...
if (!preg_match('/@[a-zA-Z0-9_]{1,15}\b/u', $content) ||
(($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY) == FOREIGN_NOTICE_SEND_REPLY)) {
// Avoid a Loop
if ($notice->source != 'Facebook') {
try {
$facebook->api_client->users_setStatus($content,
$fbuid, false, true);
updateProfileBox($facebook, $flink, $notice);
$cnt++;
} catch(FacebookRestClientException $e) {
print "Couldn't sent notice $notice->id!\n";
print $e->getMessage();
// Remove flink?
}
}
}
}
}
if ($cnt > 0) {
print date('r', $current_time) .
": Found $cnt new notices for Facebook since last run at " .
date('r', $since) . "\n";
}
fclose($lock_file);
exit(0);
function userCanUpdate($fbuid) {
global $facebook;
$result = false;
try {
$result = $facebook->api_client->users_hasAppPermission('status_update', $fbuid);
} catch(FacebookRestClientException $e){
print_r($e);
}
return $result;
}
function getLastUpdated(){
global $last_updated_file, $current_time;
$last = $current_time;
if (file_exists($last_updated_file) &&
($file = fopen($last_updated_file, 'r'))) {
$last = fgets($file);
} else {
print "$last_updated_file doesn't exit. Trying to create it...\n";
$file = fopen($last_updated_file, 'w+') or
die("Can't open $last_updated_file for writing!\n");
print 'Success. Using current time (' . date('r', $last) .
") to look for new notices.\n";
}
fclose($file);
return $last;
}
function updateLastUpdated($time){
global $last_updated_file;
$file = fopen($last_updated_file, 'w') or
die("Can't open $last_updated_file for writing!");
fwrite($file, $time);
fclose($file);
}