/**
  * (non-PHPdoc)
  * @see IActionController::executeAction()
  */
 public function executeAction($parameters)
 {
     $loginMethodClass = $this->_websoccer->getConfig("login_method");
     if (!class_exists($loginMethodClass)) {
         throw new Exception("Login method class does not exist: " . $loginMethodClass);
     }
     $loginMethod = new $loginMethodClass($this->_websoccer, $this->_db);
     // sign in with e-mail
     if ($this->_websoccer->getConfig("login_type") == "email") {
         $userId = $loginMethod->authenticateWithEmail($parameters["loginstr"], $parameters["loginpassword"]);
         // sign in with user name
     } else {
         $userId = $loginMethod->authenticateWithUsername($parameters["loginstr"], $parameters["loginpassword"]);
     }
     // sign in failed
     if (!$userId) {
         sleep(SLEEP_SECONDS_ON_FAILURE);
         throw new Exception($this->_i18n->getMessage("formlogin_invalid_data"));
     }
     SecurityUtil::loginFrontUserUsingApplicationSession($this->_websoccer, $userId);
     // "remember me"
     if (isset($parameters["rememberme"]) && $parameters["rememberme"] == 1) {
         $fromTable = $this->_websoccer->getConfig("db_prefix") . "_user";
         $whereCondition = "id = %d";
         $parameter = $userId;
         // get password salt
         $result = $this->_db->querySelect("passwort_salt", $fromTable, $whereCondition, $parameter);
         $saltinfo = $result->fetch_array();
         $result->free();
         $salt = $saltinfo["passwort_salt"];
         if (!strlen($salt)) {
             $salt = SecurityUtil::generatePasswordSalt();
         }
         $sessionToken = SecurityUtil::generateSessionToken($userId, $salt);
         $columns = array("tokenid" => $sessionToken, "passwort_salt" => $salt);
         $this->_db->queryUpdate($columns, $fromTable, $whereCondition, $parameter);
         CookieHelper::createCookie("user", $sessionToken, REMEMBERME_COOKIE_LIFETIME_DAYS);
     }
     return strlen($this->_websoccer->getUser()->username) ? "office" : "enter-username";
 }