<?php /** * StatusNet, the distributed open-source microblogging tool * * Plugin to limit number of users that can register (best for cloud providers) * * PHP version 5 * * LICENCE: 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/>. * * @category Action * @package StatusNet * @author Evan Prodromou <evan@status.net> * @copyright 2009 StatusNet Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://status.net/ */ if (!defined('STATUSNET')) { exit(1); } /** * Plugin to limit number of users that can register (best for cloud providers) * * For cloud providers whose freemium model is based on how many * users can register. We use it on the StatusNet Cloud. * * @category Plugin * @package StatusNet * @author Evan Prodromou <evan@status.net> * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://status.net/ * * @seeAlso Location */ class UserLimitPlugin extends Plugin { public $maxUsers = null; function onStartUserRegister(&$user, &$profile) { $this->_checkMaxUsers(); return true; } function onStartRegistrationTry($action) { $this->_checkMaxUsers(); return true; } function _checkMaxUsers() { if (!is_null($this->maxUsers)) { $cls = new User(); $cnt = $cls->count(); if ($cnt >= $this->maxUsers) { $msg = sprintf(_('Cannot register; maximum number of users (%d) reached.'), $this->maxUsers); throw new ClientException($msg); } } } function onPluginVersion(&$versions) { $versions[] = array('name' => 'UserLimit', 'version' => STATUSNET_VERSION, 'author' => 'Evan Prodromou', 'homepage' => 'http://status.net/wiki/Plugin:UserLimit', 'description' => _m('Limit the number of users who can register.')); return true; } }