/**
* Handles an authentication failure and returns the Response for the
* GuardAuthenticator.
*
* @param AuthenticationException $authenticationException
* @param Request $request
* @param GuardAuthenticatorInterface $guardAuthenticator
*
* @return null|Response
*/
public function handleAuthenticationFailure(AuthenticationException $authenticationException, Request $request, GuardAuthenticatorInterface $guardAuthenticator)
{
$this->tokenStorage->setToken(null);
$response = $guardAuthenticator->onAuthenticationFailure($request, $authenticationException);
if ($response instanceof Response || null === $response) {
// returning null is ok, it means they want the request to continue
return $response;
}
throw new \UnexpectedValueException(sprintf('The %s::onAuthenticationFailure method must return null or a Response object. You returned %s.', get_class($guardAuthenticator), is_object($response) ? get_class($response) : gettype($response)));
}
