public static function checkSingleUserMode($lockIfNoUserLoggedIn = false)
{
if (!\OC::$server->getSystemConfig()->getValue('singleuser', false)) {
return;
}
$user = OC_User::getUserSession()->getUser();
if ($user) {
$group = \OC::$server->getGroupManager()->get('admin');
if ($group->inGroup($user)) {
return;
}
} else {
if (!$lockIfNoUserLoggedIn) {
return;
}
}
// send http status 503
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 120');
// render error page
$template = new OC_Template('', 'singleuser.user', 'guest');
$template->printPage();
die;
}
