gnu-social/actions/unsubscribe.php
Evan Prodromou 4272da4e9e CSRF protection for subscription/unsubscription
darcs-hash:20080829051104-84dde-9bd23c28c2c8a720046060a33ff3e5f246c47116.gz
2008-08-29 01:11:04 -04:00

56 lines
1.6 KiB
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/>.
*/
class UnsubscribeAction extends Action {
function handle($args) {
parent::handle($args);
if (!common_logged_in()) {
common_user_error(_('Not logged in.'));
return;
}
$user = common_current_user();
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
return;
}
# CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
return;
}
$other_nickname = $this->arg('unsubscribeto');
$result=subs_unsubscribe_user($user,$other_nickname);
if($result!=true) {
common_user_error($result);
return;
}
common_redirect(common_local_url('subscriptions', array('nickname' =>
$user->nickname)));
}
}