vendor/symfony/twig-bridge/Extension/SecurityExtension.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 Symfony\Bridge\Twig\Extension;
  14. use Symfony\Component\Security\Acl\Voter\FieldVote;
  15. use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
  16. use Symfony\Component\Security\Core\Exception\AuthenticationCredentialsNotFoundException;
  17. use Symfony\Component\Security\Http\Impersonate\ImpersonateUrlGenerator;
  18. use Twig\Extension\AbstractExtension;
  19. use Twig\TwigFunction;
  21. /**
  22.  * SecurityExtension exposes security context features.
  23.  *
  24.  * @author Fabien Potencier <fabien@symfony.com>
  25.  */
  26. final class SecurityExtension extends AbstractExtension
  27. {
  28.     private ?AuthorizationCheckerInterface $securityChecker;
  29.     private ?ImpersonateUrlGenerator $impersonateUrlGenerator;
  31.     public function __construct(AuthorizationCheckerInterface $securityChecker = null, ImpersonateUrlGenerator $impersonateUrlGenerator = null)
  32.     {
  33.         $this->securityChecker = $securityChecker;
  34.         $this->impersonateUrlGenerator = $impersonateUrlGenerator;
  35.     }
  37.     public function isGranted(mixed $role, mixed $object = null, string $field = null): bool
  38.     {
  39.         if (null === $this->securityChecker) {
  40.             return false;
  41.         }
  43.         if (null !== $field) {
  44.             $object = new FieldVote($object, $field);
  45.         }
  47.         try {
  48.             return $this->securityChecker->isGranted($role, $object);
  49.         } catch (AuthenticationCredentialsNotFoundException) {
  50.             return false;
  51.         }
  52.     }
  54.     public function getImpersonateExitUrl(string $exitTo = null): string
  55.     {
  56.         if (null === $this->impersonateUrlGenerator) {
  57.             return '';
  58.         }
  60.         return $this->impersonateUrlGenerator->generateExitUrl($exitTo);
  61.     }
  63.     public function getImpersonateExitPath(string $exitTo = null): string
  64.     {
  65.         if (null === $this->impersonateUrlGenerator) {
  66.             return '';
  67.         }
  69.         return $this->impersonateUrlGenerator->generateExitPath($exitTo);
  70.     }
  72.     public function getFunctions(): array
  73.     {
  74.         return [
  75.             new TwigFunction('is_granted', $this->isGranted(...)),
  76.             new TwigFunction('impersonation_exit_url', $this->getImpersonateExitUrl(...)),
  77.             new TwigFunction('impersonation_exit_path', $this->getImpersonateExitPath(...)),
  78.         ];
  79.     }
  80. }