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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\Acl\Model\AclInterface;
use Symfony\Component\Security\Acl\Model\ObjectIdentityInterface;
/**
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*
* @internal
*/
trait AclCacheTrait
{
private $prefix;
private $permissionGrantingStrategy;
/**
* Unserializes the ACL.
*/
private function unserializeAcl(string $serialized): ?AclInterface
{
$acl = unserialize($serialized);
if (null !== $parentId = $acl->getParentAcl()) {
$parentAcl = $this->getFromCacheById($parentId);
if (null === $parentAcl) {
return null;
}
$acl->setParentAcl($parentAcl);
}
$reflectionProperty = new \ReflectionProperty($acl, 'permissionGrantingStrategy');
$reflectionProperty->setAccessible(true);
$reflectionProperty->setValue($acl, $this->permissionGrantingStrategy);
$reflectionProperty->setAccessible(false);
$aceAclProperty = new \ReflectionProperty(Entry::class, 'acl');
$aceAclProperty->setAccessible(true);
foreach ($acl->getObjectAces() as $ace) {
$aceAclProperty->setValue($ace, $acl);
}
foreach ($acl->getClassAces() as $ace) {
$aceAclProperty->setValue($ace, $acl);
}
$aceClassFieldProperty = new \ReflectionProperty($acl, 'classFieldAces');
$aceClassFieldProperty->setAccessible(true);
foreach ($aceClassFieldProperty->getValue($acl) as $aces) {
foreach ($aces as $ace) {
$aceAclProperty->setValue($ace, $acl);
}
}
$aceClassFieldProperty->setAccessible(false);
$aceObjectFieldProperty = new \ReflectionProperty($acl, 'objectFieldAces');
$aceObjectFieldProperty->setAccessible(true);
foreach ($aceObjectFieldProperty->getValue($acl) as $aces) {
foreach ($aces as $ace) {
$aceAclProperty->setValue($ace, $acl);
}
}
$aceObjectFieldProperty->setAccessible(false);
$aceAclProperty->setAccessible(false);
return $acl;
}
/**
* Returns the key for the object identity.
*/
private function getDataKeyByIdentity(ObjectIdentityInterface $oid): string
{
return $this->prefix.md5($oid->getType()).sha1($oid->getType())
.'_'.md5($oid->getIdentifier()).sha1($oid->getIdentifier());
}
/**
* Returns the alias key for the object identity key.
*/
private function getAliasKeyForIdentity(string $aclId): string
{
return $this->prefix.$aclId;
}
}
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