/**
  * action check
  *
  * @param string $username
  * @param string $password
  * @return string
  */
  public function checkAction(string $username, string $password)
  {
    $user = $this->userRepository->findOneByUsername($username);

    $saltedPassword = '';

    if (TYPO3CMSSaltedpasswordsUtilitySaltedPasswordsUtility::isUsageEnabled('FE')) {
            $objSalt = TYPO3CMSSaltedpasswordsSaltSaltFactory::getSaltingInstance(NULL);
            if (is_object($objSalt)) {
                    $saltedPassword = $objSalt->getHashedPassword($password);
            }
    }

    echo $saltedPassword;
    echo "<br>";

    $saltedPassword = $user->getPassword();
    // keeps status if plain-text password matches given salted user password hash
    $success = FALSE;

    if (TYPO3CMSSaltedpasswordsUtilitySaltedPasswordsUtility::isUsageEnabled('FE')) {
      $objSalt = TYPO3CMSSaltedpasswordsSaltSaltFactory::getSaltingInstance($saltedPassword);
      if (is_object($objSalt)) {
        $success = $objSalt->checkPassword($password, $saltedPassword);
      }
    }
    echo $saltedPassword;
    return "";
  }