private function httpLogin()
    {
        $user = $_SERVER['REMOTE_USER'];
        if(isset($_SERVER['AUTH_TYPE']) && !empty($user))
        {
            $record = $this->_db->query( 'SELECT id, admin FROM tor_passwd WHERE user = ?', $user );
            if($record !== false)
            {
                $this->_session->id_user = $record['id'];
                $this->_session->admin = !!$record['admin'];
                $this->_session->user = $user;
                return true;
            }
        }
        return false;
    }