<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Twig\Extension;
use Symfony\Component\Security\Acl\Voter\FieldVote;
use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationCredentialsNotFoundException;
use Symfony\Component\Security\Http\Impersonate\ImpersonateUrlGenerator;
use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;
/**
* SecurityExtension exposes security context features.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
final class SecurityExtension extends AbstractExtension
{
private $securityChecker;
private $impersonateUrlGenerator;
public function __construct(AuthorizationCheckerInterface $securityChecker = null, ImpersonateUrlGenerator $impersonateUrlGenerator = null)
{
$this->securityChecker = $securityChecker;
$this->impersonateUrlGenerator = $impersonateUrlGenerator;
}
/**
* @param mixed $object
*/
public function isGranted($role, $object = null, string $field = null): bool
{
if (null === $this->securityChecker) {
return false;
}
if (null !== $field) {
$object = new FieldVote($object, $field);
}
try {
return $this->securityChecker->isGranted($role, $object);
} catch (AuthenticationCredentialsNotFoundException $e) {
return false;
}
}
public function getImpersonateExitUrl(string $exitTo = null): string
{
if (null === $this->impersonateUrlGenerator) {
return '';
}
return $this->impersonateUrlGenerator->generateExitUrl($exitTo);
}
public function getImpersonateExitPath(string $exitTo = null): string
{
if (null === $this->impersonateUrlGenerator) {
return '';
}
return $this->impersonateUrlGenerator->generateExitPath($exitTo);
}
/**
* {@inheritdoc}
*/
public function getFunctions(): array
{
return [
new TwigFunction('is_granted', [$this, 'isGranted']),
new TwigFunction('impersonation_exit_url', [$this, 'getImpersonateExitUrl']),
new TwigFunction('impersonation_exit_path', [$this, 'getImpersonateExitPath']),
];
}
}