src/Security/LoginFormAuthenticator.php line 67

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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. }