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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;
use Symfony\Component\Security\Core\Role\RoleHierarchy;
use Symfony\Component\Security\Core\Role\RoleHierarchyInterface;
/**
* RoleHierarchyVoter uses a RoleHierarchy to determine the roles granted to
* the user before voting.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class RoleHierarchyVoter extends RoleVoter
{
private $roleHierarchy;
public function __construct(RoleHierarchyInterface $roleHierarchy, string $prefix = 'ROLE_')
{
if (!method_exists($roleHierarchy, 'getReachableRoleNames')) {
@trigger_error(sprintf('Not implementing the "%s::getReachableRoleNames()" method in "%s" is deprecated since Symfony 4.3.', RoleHierarchyInterface::class, \get_class($roleHierarchy)), \E_USER_DEPRECATED);
}
$this->roleHierarchy = $roleHierarchy;
parent::__construct($prefix);
}
/**
* {@inheritdoc}
*/
protected function extractRoles(TokenInterface $token)
{
if (method_exists($this->roleHierarchy, 'getReachableRoleNames')) {
if (method_exists($token, 'getRoleNames')) {
$roles = $token->getRoleNames();
} else {
@trigger_error(sprintf('Not implementing the "%s::getRoleNames()" method in "%s" is deprecated since Symfony 4.3.', TokenInterface::class, \get_class($token)), \E_USER_DEPRECATED);
$roles = array_map(function (Role $role) { return $role->getRole(); }, $token->getRoles(false));
}
return $this->roleHierarchy->getReachableRoleNames($roles);
}
return $this->roleHierarchy->getReachableRoles($token->getRoles(false));
}
}
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