public function executeLog(sfWebRequest $request)
    {
        if ($this->getUser()->isAuthenticated())
        {
            $this->getUser()->logOut();
        }
        else
        {
            //code against brute force
            $time = sfDbConfigHandler::get('log_wait');
            $max = sfDbConfigHandler::get('log_max');
            if (!isset($_SESSION['log_try']))
            {
                $_SESSION['log_try'] = array('wait' => strtotime($time), 'count' => 0);
            }
            ++$_SESSION['log_try']['count']; //here, because the check is just lower
            if (-1 != $max && $_SESSION['log_try']['count'] > $max)
            {
                if ($_SESSION['log_try']['wait'] < time())
                { //reset
                    $_SESSION['log_try'] = array('wait' => strtotime($time), 'count' => 1);
                }
                else
                {
                    $this->wait = $_SESSION['log_try']['wait'];
                    return sfView::ERROR;
                }
            }

            $this->forward404Unless($username = $request->getParameter('username'));
            $this->forward404Unless($password = $request->getParameter('password'));

            $this->account = Doctrine_Core::getTable('Account')
                            ->findOneByUsernameAndPasswordAndBanned($username, $password, false);
            if ($this->account)
            {
                /**
                $this->forward404If($this->account->getValidationToken());
                 */
                $this->getUser()->logIn($this->account);
                unset($_SESSION['log_try']); //reset attempts infos
            }
        }
    }