src/Service/Security/LoginFormAuthenticator.php line 121

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  1. <?php
  3. namespace App\Service\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\HttpFoundation\Response;
  10. use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
  11. use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
  12. use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
  13. use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
  14. use Symfony\Component\Security\Core\Exception\InvalidCsrfTokenException;
  15. use Symfony\Component\Security\Core\Security;
  16. use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
  17. use Symfony\Component\Security\Core\User\UserProviderInterface;
  18. use Symfony\Component\Security\Csrf\CsrfToken;
  19. use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
  20. use Symfony\Component\Security\Http\Authenticator\AbstractLoginFormAuthenticator;
  21. use Symfony\Component\Security\Http\Authenticator\Passport\Badge\CsrfTokenBadge;
  22. use Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge;
  23. use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\PasswordCredentials;
  24. use Symfony\Component\Security\Http\Authenticator\Passport\Passport;
  25. use Symfony\Component\Security\Http\Util\TargetPathTrait;
  27. class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
  28. {
  29.     use TargetPathTrait;
  31.     public const LOGIN_ROUTE = 'app_login';
  33.     private $entityManager;
  34.     private $urlGenerator;
  35.     private $csrfTokenManager;
  36.     private $passwordEncoder;
  38.     public function __construct(
  39.         EntityManagerInterface $entityManager,
  40.         UrlGeneratorInterface $urlGenerator,
  41.         CsrfTokenManagerInterface $csrfTokenManager,
  42.         UserPasswordHasherInterface $passwordEncoder
  43.     ) {
  44.         $this->entityManager = $entityManager;
  45.         $this->urlGenerator = $urlGenerator;
  46.         $this->csrfTokenManager = $csrfTokenManager;
  47.         $this->passwordEncoder = $passwordEncoder;
  48.     }
  50.     public function supports(Request $request): bool
  51.     {
  52.         return self::LOGIN_ROUTE === $request->attributes->get('_route')
  53.             && $request->isMethod('POST');
  54.     }
  56.     public function getCredentials(Request $request)
  57.     {
  58.         $credentials = [
  59.             'username' => $request->request->get('username'),
  60.             'password' => $request->request->get('password'),
  61.             'csrf_token' => $request->request->get('_csrf_token'),
  62.         ];
  63.         $request->getSession()->set(
  64.             Security::LAST_USERNAME,
  65.             $credentials['username']
  66.         );
  68.         return $credentials;
  69.     }
  71.     public function getUser($credentials)
  72.     {
  73.         $token = new CsrfToken('authenticate', $credentials['csrf_token']);
  74.         if (!$this->csrfTokenManager->isTokenValid($token)) {
  75.             throw new InvalidCsrfTokenException();
  76.         }
  78.         $user = $this->entityManager->getRepository(User::class)->findOneBy(['username' => $credentials['username']]);
  80.         if (!$user) {
  81.             // fail authentication with a custom error
  82.             throw new CustomUserMessageAuthenticationException('Username could not be found.');
  83.         }
  85.         return $user;
  86.     }
  88.     public function checkUserIsActive($credentials): bool
  89.     {
  90.         if (!$this->getUser($credentials)->getActive()) {
  91.             throw new CustomUserMessageAuthenticationException('Username could not be found.');
  92.         }
  94.         return true;
  95.     }
  98.     public function checkCredentials($credentials, PasswordAuthenticatedUserInterface $user): bool
  99.     {
  100.         if (!$user->getActive()) {
  101.             return false;
  102.         }
  104.         return $this->passwordEncoder->isPasswordValid($user, $credentials['password']);
  105.     }
  107.     public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $providerKey): ?Response
  108.     {
  109.         if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
  110.             return new RedirectResponse($targetPath);
  111.         }
  113.         return new RedirectResponse($this->urlGenerator->generate('dashboard'));
  114.     }
  116.     protected function getLoginUrl(Request $request): string
  117.     {
  118.         return $this->urlGenerator->generate(self::LOGIN_ROUTE);
  119.     }
  121.     public function authenticate(Request $request): Passport
  122.     {
  123.         $credentials = $this->getCredentials($request);
  125.         if ($this->checkUserIsActive($credentials)) {
  126.             return new Passport(
  127.                 new UserBadge($credentials['username']),
  128.                 new PasswordCredentials($credentials['password']),
  129.                 [new CsrfTokenBadge('authenticate', $credentials['csrf_token'])]
  130.             );
  131.         }
  132.     }
  133. }