private function _authorize()
{
$acl = Zend_Registry::get('acl');
$module = $this->_request->getModuleName();
$controller = $this->_request->getControllerName();
$action = $this->_request->getActionName();
$user_roles = $this->_social->getUser()->getRoles();
$is_authorized = false;
foreach ($user_roles as $role) {
if ($acl->isAllowed($role, $module . ':' . $controller, $action)) {
$is_authorized = true;
break;
}
}
if (!$is_authorized) {
$this->_social->handleFailedAuthorization($this->_getRedirectUrlForAuthorization());
}
}