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<?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;
}
}
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