src/Security/LoginFormAuthenticator.php line 81

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  1. <?php
  3. namespace App\Security;
  5. use App\Entity\User;
  6. use Doctrine\ORM\EntityManagerInterface;
  7. use Symfony\Component\HttpFoundation\RedirectResponse;
  8. use Symfony\Component\HttpFoundation\Request;
  9. use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
  10. use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
  11. use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
  12. use Symfony\Component\Security\Core\Exception\InvalidCsrfTokenException;
  13. use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
  14. use Symfony\Component\Security\Core\Security;
  15. use Symfony\Component\Security\Core\User\UserInterface;
  16. use Symfony\Component\Security\Core\User\UserProviderInterface;
  17. use Symfony\Component\Security\Csrf\CsrfToken;
  18. use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
  19. use Symfony\Component\Security\Guard\Authenticator\AbstractFormLoginAuthenticator;
  20. use Symfony\Component\Security\Guard\PasswordAuthenticatedInterface;
  21. use Symfony\Component\Security\Http\Util\TargetPathTrait;
  23. class LoginFormAuthenticator extends AbstractFormLoginAuthenticator implements PasswordAuthenticatedInterface
  24. {
  25.     use TargetPathTrait;
  27.     public const LOGIN_ROUTE = 'app_login';
  29.     private $entityManager;
  30.     private $urlGenerator;
  31.     private $csrfTokenManager;
  32.     private $passwordEncoder;
  34.     public function __construct(EntityManagerInterface $entityManager, UrlGeneratorInterface $urlGenerator, CsrfTokenManagerInterface $csrfTokenManager, UserPasswordEncoderInterface $passwordEncoder)
  35.     {
  36.         $this->entityManager = $entityManager;
  37.         $this->urlGenerator = $urlGenerator;
  38.         $this->csrfTokenManager = $csrfTokenManager;
  39.         $this->passwordEncoder = $passwordEncoder;
  40.     }
  42.     public function supports(Request $request)
  43.     {
  44.         return self::LOGIN_ROUTE === $request->attributes->get('_route')
  45.             && $request->isMethod('POST');
  46.     }
  48.     public function getCredentials(Request $request)
  49.     {
  50.         $credentials = [
  51.             'email' => $request->request->get('email'),
  52.             'password' => $request->request->get('password'),
  53.             'csrf_token' => $request->request->get('_csrf_token'),
  54.         ];
  55.         $request->getSession()->set(
  56.             Security::LAST_USERNAME,
  57.             $credentials['email']
  58.         );
  60.         return $credentials;
  61.     }
  63.     public function getUser($credentials, UserProviderInterface $userProvider)
  64.     {
  65.         $token = new CsrfToken('authenticate', $credentials['csrf_token']);
  66.         if (!$this->csrfTokenManager->isTokenValid($token)) {
  67.             throw new InvalidCsrfTokenException();
  68.         }
  70.         $user = $this->entityManager->getRepository(User::class)->findOneBy(['email' => $credentials['email']]);
  72.         if (!$user) {
  73.             throw new UsernameNotFoundException('Email could not be found.');
  74.         }
  76.         return $user;
  77.     }
  79.     public function checkCredentials($credentials, UserInterface $user)
  80.     {
  81.         return $this->passwordEncoder->isPasswordValid($user, $credentials['password']);
  82.     }
  84.     /**
  85.      * Used to upgrade (rehash) the user's password automatically over time.
  86.      */
  87.     public function getPassword($credentials): ?string
  88.     {
  89.         return $credentials['password'];
  90.     }
  92.     public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
  93.     {
  94.         $request->getSession()->getFlashBag()->add('success', 'Welcome '.$token->getUser()->getFullName());
  95.         if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
  96.             return new RedirectResponse($targetPath);
  97.         }
  98.         // For example : return new RedirectResponse($this->urlGenerator->generate('some_route'));
  99.         return new RedirectResponse($this->urlGenerator->generate('app_account'));
  100.     }
  102.     protected function getLoginUrl()
  103.     {
  104.         return $this->urlGenerator->generate(self::LOGIN_ROUTE);
  105.     }
  106. }