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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Control Yourself, 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/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once INSTALLDIR.'/lib/facebookaction.php';
class FacebookremoveAction extends FacebookAction
{
function handle($args)
{
parent::handle($args);
$secret = common_config('facebook', 'secret');
$sig = '';
ksort($_POST);
foreach ($_POST as $key => $val) {
if (substr($key, 0, 7) == 'fb_sig_') {
$sig .= substr($key, 7) . '=' . $val;
}
}
$sig .= $secret;
$verify = md5($sig);
if ($verify == $this->arg('fb_sig')) {
$flink = Foreign_link::getByForeignID($this->arg('fb_sig_user'), 2);
common_debug("Removing foreign link to Facebook - local user ID: $flink->user_id, Facebook ID: $flink->foreign_id");
$result = $flink->delete();
if (!$result) {
common_log_db_error($flink, 'DELETE', __FILE__);
$this->serverError(_('Couldn\'t remove Facebook user.'));
return;
}
} else {
# Someone bad tried to remove facebook link?
common_log(LOG_ERR, "Someone from $_SERVER[REMOTE_ADDR] " .
'unsuccessfully tried to remove a foreign link to Facebook!');
}
}
}
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