3 * StatusNet, the distributed open-source microblogging tool
5 * Plugin to limit number of users that can register (best for cloud providers)
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@status.net>
25 * @copyright 2009 StatusNet Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('STATUSNET')) {
35 * Plugin to limit number of users that can register (best for cloud providers)
37 * For cloud providers whose freemium model is based on how many
38 * users can register. We use it on the StatusNet Cloud.
42 * @author Evan Prodromou <evan@status.net>
43 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
44 * @link http://status.net/
49 class UserLimitPlugin extends Plugin
51 public $maxUsers = null;
53 function onStartUserRegister(&$user, &$profile)
55 $this->_checkMaxUsers();
59 function onStartRegistrationTry($action)
61 $this->_checkMaxUsers();
65 function _checkMaxUsers()
67 if (!is_null($this->maxUsers)) {
73 if ($cnt >= $this->maxUsers) {
74 $msg = sprintf(_('Cannot register; maximum number of users (%d) reached.'),
77 throw new ClientException($msg);
82 function onPluginVersion(&$versions)
84 $versions[] = array('name' => 'UserLimit',
85 'version' => STATUSNET_VERSION,
86 'author' => 'Evan Prodromou',
87 'homepage' => 'http://status.net/wiki/Plugin:UserLimit',
89 _m('Limit the number of users who can register.'));