<?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\Core\Authorization\Strategy;
use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;
/**
* Grants access if only grant (or abstain) votes were received.
*
* If all voters abstained from voting, the decision will be based on the
* allowIfAllAbstainDecisions property value (defaults to false).
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Alexander M. Turek <me@derrabus.de>
*/
final class UnanimousStrategy implements AccessDecisionStrategyInterface, \Stringable
{
private $allowIfAllAbstainDecisions;
public function __construct(bool $allowIfAllAbstainDecisions = false)
{
$this->allowIfAllAbstainDecisions = $allowIfAllAbstainDecisions;
}
/**
* {@inheritdoc}
*/
public function decide(\Traversable $results): bool
{
$grant = 0;
foreach ($results as $result) {
if (VoterInterface::ACCESS_DENIED === $result) {
return false;
}
if (VoterInterface::ACCESS_GRANTED === $result) {
++$grant;
}
}
// no deny votes
if ($grant > 0) {
return true;
}
return $this->allowIfAllAbstainDecisions;
}
public function __toString(): string
{
return 'unanimous';
}
}