*
* 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\RoleHierarchyInterface;
/**
* RoleHierarchyVoter uses a RoleHierarchy to determine the roles granted to
* the user before voting.
*
* @author Fabien Potencier
*/
class RoleHierarchyVoter extends RoleVoter
{
private $roleHierarchy;
public function __construct(RoleHierarchyInterface $roleHierarchy, $prefix = 'ROLE_')
{
$this->roleHierarchy = $roleHierarchy;
parent::__construct($prefix);
}
/**
* {@inheritdoc}
*/
protected function extractRoles(TokenInterface $token)
{
return $this->roleHierarchy->getReachableRoles($token->getRoles());
}
}