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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\Domain;
use Symfony\Component\Security\Core\Authentication\Token\AnonymousToken;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Acl\Model\SecurityIdentityRetrievalStrategyInterface;
use Symfony\Component\Security\Core\Authentication\AuthenticationTrustResolver;
use Symfony\Component\Security\Core\Role\RoleHierarchyInterface;
use Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter;
/**
* Strategy for retrieving security identities
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class SecurityIdentityRetrievalStrategy implements SecurityIdentityRetrievalStrategyInterface
{
private $roleHierarchy;
private $authenticationTrustResolver;
/**
* Constructor
*
* @param RoleHierarchyInterface $roleHierarchy
* @param AuthenticationTrustResolver $authenticationTrustResolver
*
* @return void
*/
public function __construct(RoleHierarchyInterface $roleHierarchy, AuthenticationTrustResolver $authenticationTrustResolver)
{
$this->roleHierarchy = $roleHierarchy;
$this->authenticationTrustResolver = $authenticationTrustResolver;
}
/**
* {@inheritDoc}
*/
public function getSecurityIdentities(TokenInterface $token)
{
$sids = array();
// add user security identity
if (!$token instanceof AnonymousToken) {
try {
$sids[] = UserSecurityIdentity::fromToken($token);
} catch (\InvalidArgumentException $invalid) {
// ignore, user has no user security identity
}
}
// add all reachable roles
foreach ($this->roleHierarchy->getReachableRoles($token->getRoles()) as $role) {
$sids[] = new RoleSecurityIdentity($role);
}
// add built-in special roles
if ($this->authenticationTrustResolver->isFullFledged($token)) {
$sids[] = new RoleSecurityIdentity(AuthenticatedVoter::IS_AUTHENTICATED_FULLY);
$sids[] = new RoleSecurityIdentity(AuthenticatedVoter::IS_AUTHENTICATED_REMEMBERED);
$sids[] = new RoleSecurityIdentity(AuthenticatedVoter::IS_AUTHENTICATED_ANONYMOUSLY);
} elseif ($this->authenticationTrustResolver->isRememberMe($token)) {
$sids[] = new RoleSecurityIdentity(AuthenticatedVoter::IS_AUTHENTICATED_REMEMBERED);
$sids[] = new RoleSecurityIdentity(AuthenticatedVoter::IS_AUTHENTICATED_ANONYMOUSLY);
} elseif ($this->authenticationTrustResolver->isAnonymous($token)) {
$sids[] = new RoleSecurityIdentity(AuthenticatedVoter::IS_AUTHENTICATED_ANONYMOUSLY);
}
return $sids;
}
}
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