class LoginFormAuthenticator extends AbstractFormLoginAuthenticator implements PasswordAuthenticatedInterface
{
use TargetPathTrait;
public const LOGIN_ROUTE = 'app_login';
private $entityManager;
private $urlGenerator;
private $csrfTokenManager;
private $passwordEncoder;
public function __construct(EntityManagerInterface $entityManager, UrlGeneratorInterface $urlGenerator, CsrfTokenManagerInterface $csrfTokenManager, UserPasswordEncoderInterface $passwordEncoder)
{
$this->entityManager = $entityManager;
$this->urlGenerator = $urlGenerator;
$this->csrfTokenManager = $csrfTokenManager;
$this->passwordEncoder = $passwordEncoder;
}
public function supports(Request $request)
{
return self::LOGIN_ROUTE === $request->attributes->get('_route')
&& $request->isMethod('POST');
}
public function getCredentials(Request $request)
{
$credentials = [
'email' => $request->request->get('email'),
'password' => $request->request->get('password'),
'csrf_token' => $request->request->get('_csrf_token'),
];
$request->getSession()->set(
Security::LAST_USERNAME,
$credentials['email']
);
return $credentials;
}
public function getUser($credentials, UserProviderInterface $userProvider)
{
$token = new CsrfToken('authenticate', $credentials['csrf_token']);
if (!$this->csrfTokenManager->isTokenValid($token)) {
throw new InvalidCsrfTokenException();
}
$user = $this->entityManager->getRepository(User::class)->findOneBy(['email' => $credentials['email']]);
if (!$user) {
throw new UsernameNotFoundException('Email could not be found.');
}
return $user;
}
public function checkCredentials($credentials, UserInterface $user)
{
return $this->passwordEncoder->isPasswordValid($user, $credentials['password']);
}
/**
* Used to upgrade (rehash) the user's password automatically over time.
*/
public function getPassword($credentials): ?string
{
return $credentials['password'];
}
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
return new RedirectResponse($targetPath);
}
// For example : return new RedirectResponse($this->urlGenerator->generate('some_route'));
return new RedirectResponse($this->urlGenerator->generate('app'));
}
protected function getLoginUrl()
{
return $this->urlGenerator->generate(self::LOGIN_ROUTE);
}
}