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- <?php
- namespace App\Security;
- use App\Entity\User;
- use Doctrine\ORM\EntityManagerInterface;
- use Symfony\Component\HttpFoundation\RedirectResponse;
- use Symfony\Component\HttpFoundation\Request;
- use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
- use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
- use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
- use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
- use Symfony\Component\Security\Core\Exception\InvalidCsrfTokenException;
- use Symfony\Component\Security\Core\Security;
- use Symfony\Component\Security\Core\User\UserInterface;
- use Symfony\Component\Security\Core\User\UserProviderInterface;
- use Symfony\Component\Security\Csrf\CsrfToken;
- use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
- use Symfony\Component\Security\Guard\Authenticator\AbstractFormLoginAuthenticator;
- use Symfony\Component\Security\Guard\PasswordAuthenticatedInterface;
- use Symfony\Component\Security\Http\Util\TargetPathTrait;
- class LoginFormAuthenticator extends AbstractFormLoginAuthenticator implements PasswordAuthenticatedInterface
- {
- use TargetPathTrait;
- 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 'app_login' === $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) {
- // fail authentication with a custom error
- throw new CustomUserMessageAuthenticationException('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'));
- throw new \Exception('TODO: provide a valid redirect inside '.__FILE__);
- }
- protected function getLoginUrl()
- {
- return $this->urlGenerator->generate('app_login');
- }
- }
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