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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\Core\Authorization\Voter;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Role\Role;
/**
* RoleVoter votes if any attribute starts with a given prefix.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class RoleVoter implements VoterInterface
{
private $prefix;
public function __construct(string $prefix = 'ROLE_')
{
$this->prefix = $prefix;
}
/**
* {@inheritdoc}
*/
public function vote(TokenInterface $token, $subject, array $attributes)
{
$result = VoterInterface::ACCESS_ABSTAIN;
$roles = $this->extractRoles($token);
foreach ($attributes as $attribute) {
if ($attribute instanceof Role) {
$attribute = $attribute->getRole();
}
if (!\is_string($attribute) || 0 !== strpos($attribute, $this->prefix)) {
continue;
}
$result = VoterInterface::ACCESS_DENIED;
foreach ($roles as $role) {
if ($attribute === $role->getRole()) {
return VoterInterface::ACCESS_GRANTED;
}
}
}
return $result;
}
protected function extractRoles(TokenInterface $token)
{
return $token->getRoles();
}
}