vendor/symfony/twig-bridge/Extension/SecurityExtension.php line 41

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <[email protected]>
  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 <[email protected]>
  25.  */
  26. final class SecurityExtension extends AbstractExtension
  27. {
  28.     private $securityChecker;
  30.     private $impersonateUrlGenerator;
  32.     public function __construct(?AuthorizationCheckerInterface $securityChecker = null, ?ImpersonateUrlGenerator $impersonateUrlGenerator = null)
  33.     {
  34.         $this->securityChecker = $securityChecker;
  35.         $this->impersonateUrlGenerator = $impersonateUrlGenerator;
  36.     }
  38.     /**
  39.      * @param mixed $object
  40.      */
  41.     public function isGranted($role, $object = null, ?string $field = null): bool
  42.     {
  43.         if (null === $this->securityChecker) {
  44.             return false;
  45.         }
  47.         if (null !== $field) {
  48.             $object = new FieldVote($object, $field);
  49.         }
  51.         try {
  52.             return $this->securityChecker->isGranted($role, $object);
  53.         } catch (AuthenticationCredentialsNotFoundException $e) {
  54.             return false;
  55.         }
  56.     }
  58.     public function getImpersonateExitUrl(?string $exitTo = null): string
  59.     {
  60.         if (null === $this->impersonateUrlGenerator) {
  61.             return '';
  62.         }
  64.         return $this->impersonateUrlGenerator->generateExitUrl($exitTo);
  65.     }
  67.     public function getImpersonateExitPath(?string $exitTo = null): string
  68.     {
  69.         if (null === $this->impersonateUrlGenerator) {
  70.             return '';
  71.         }
  73.         return $this->impersonateUrlGenerator->generateExitPath($exitTo);
  74.     }
  76.     /**
  77.      * {@inheritdoc}
  78.      */
  79.     public function getFunctions(): array
  80.     {
  81.         return [
  82.             new TwigFunction('is_granted', [$this, 'isGranted']),
  83.             new TwigFunction('impersonation_exit_url', [$this, 'getImpersonateExitUrl']),
  84.             new TwigFunction('impersonation_exit_path', [$this, 'getImpersonateExitPath']),
  85.         ];
  86.     }
  87. }