src/Controller/SecurityController.php line 37

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  1. <?php
  3. /*
  4. * This file is part of the Symfony package.
  5. *
  6. * (c) Fabien Potencier <fabien@symfony.com>
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace App\Controller;
  14. use App\Entity\User;
  15. use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
  16. use Symfony\Component\HttpFoundation\Request;
  17. use Symfony\Component\HttpFoundation\Response;
  18. use Symfony\Component\Routing\Annotation\Route;
  19. use Symfony\Component\Security\Http\Attribute\CurrentUser;
  20. use Symfony\Component\Security\Http\Authentication\AuthenticationUtils;
  21. use Symfony\Component\Security\Http\Util\TargetPathTrait;
  23. /**
  24. * Controller used to manage the application security.
  25. * See https://symfony.com/doc/current/security/form_login_setup.html.
  26. *
  27. */
  28. class SecurityController extends AbstractController
  29. {
  30. use TargetPathTrait;
  32. /*
  33. * The $user argument type (?User) must be nullable because the login page
  34. * must be accessible to anonymous visitors too.
  35. */
  36. #[Route('/login', name: 'security_login')]
  37. public function login(#[CurrentUser] ?User $user, Request $request, AuthenticationUtils $helper,): Response {
  38. // if user is already logged in, don't display the login page again
  39. if ($user) {
  40. return $this->redirectToRoute('app_dashboard');
  41. }
  43. // this statement solves an edge-case: if you change the locale in the login
  44. // page, after a successful login you are redirected to a page in the previous
  45. // locale. This code regenerates the referrer URL whenever the login page is
  46. // browsed, to ensure that its locale is always the current one.
  47. $this->saveTargetPath($request->getSession(), 'main', $this->generateUrl('app_dashboard'));
  49. return $this->render('security/login.html.twig', [
  50. // last username entered by the user (if any)
  51. 'last_username' => $helper->getLastUsername(),
  52. // last authentication error (if any)
  53. 'error' => $helper->getLastAuthenticationError(),
  54. ]);
  55. }
  57. /**
  58. * This is the route the user can use to logout.
  59. *
  60. * But, this will never be executed. Symfony will intercept this first
  61. * and handle the logout automatically. See logout in config/packages/security.yaml
  62. */
  63. #[Route('/logout', name: 'security_logout')]
  64. public function logout(): void
  65. {
  66. throw new \Exception('This should never be reached!');
  67. }
  68. }