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| -rw-r--r-- | plugins/UserLimitPlugin.php | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/plugins/UserLimitPlugin.php b/plugins/UserLimitPlugin.php new file mode 100644 index 000000000..ab3187299 --- /dev/null +++ b/plugins/UserLimitPlugin.php @@ -0,0 +1,92 @@ +<?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; + } +} |