vendor/symfony/security-acl/Voter/AclVoter.php

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<?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\Component\Security\Acl\Voter;

use Psr\Log\LoggerInterface;
use Symfony\Component\Security\Acl\Exception\NoAceFoundException;
use Symfony\Component\Security\Acl\Exception\AclNotFoundException;
use Symfony\Component\Security\Acl\Model\AclProviderInterface;
use Symfony\Component\Security\Acl\Model\ObjectIdentityInterface;
use Symfony\Component\Security\Acl\Permission\PermissionMapInterface;
use Symfony\Component\Security\Acl\Model\SecurityIdentityRetrievalStrategyInterface;
use Symfony\Component\Security\Acl\Model\ObjectIdentityRetrievalStrategyInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;

/**
 * This voter can be used as a base class for implementing your own permissions.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class AclVoter implements VoterInterface
{
    private $aclProvider;
    private $permissionMap;
    private $objectIdentityRetrievalStrategy;
    private $securityIdentityRetrievalStrategy;
    private $allowIfObjectIdentityUnavailable;
    private $logger;

    public function __construct(AclProviderInterface $aclProvider, ObjectIdentityRetrievalStrategyInterface $oidRetrievalStrategy, SecurityIdentityRetrievalStrategyInterface $sidRetrievalStrategy, PermissionMapInterface $permissionMap, LoggerInterface $logger = null, $allowIfObjectIdentityUnavailable = true)
    {
        $this->aclProvider = $aclProvider;
        $this->permissionMap = $permissionMap;
        $this->objectIdentityRetrievalStrategy = $oidRetrievalStrategy;
        $this->securityIdentityRetrievalStrategy = $sidRetrievalStrategy;
        $this->logger = $logger;
        $this->allowIfObjectIdentityUnavailable = $allowIfObjectIdentityUnavailable;
    }

    public function supportsAttribute($attribute)
    {
        return is_string($attribute) && $this->permissionMap->contains($attribute);
    }

    public function vote(TokenInterface $token, $object, array $attributes)
    {
        foreach ($attributes as $attribute) {
            if (!$this->supportsAttribute($attribute)) {
                continue;
            }