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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 Doctrine\Common\Cache\Cache;
use Doctrine\Common\Cache\CacheProvider;
use Symfony\Component\Security\Acl\Model\AclCacheInterface;
use Symfony\Component\Security\Acl\Model\AclInterface;
use Symfony\Component\Security\Acl\Model\ObjectIdentityInterface;
use Symfony\Component\Security\Acl\Model\PermissionGrantingStrategyInterface;
/**
* This class is a wrapper around the actual cache implementation.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class DoctrineAclCache implements AclCacheInterface
{
use AclCacheTrait;
public const PREFIX = 'sf2_acl_';
private $cache;
/**
* Constructor.
*
* @param string $prefix
*
* @throws \InvalidArgumentException
*/
public function __construct(Cache $cache, PermissionGrantingStrategyInterface $permissionGrantingStrategy, $prefix = self::PREFIX)
{
$prefix = (string) $prefix;
if ('' === $prefix) {
throw new \InvalidArgumentException('$prefix cannot be empty.');
}
$this->cache = $cache;
$this->permissionGrantingStrategy = $permissionGrantingStrategy;
$this->prefix = $prefix;
}
/**
* {@inheritdoc}
*/
public function clearCache()
{
if ($this->cache instanceof CacheProvider) {
$this->cache->deleteAll();
}
}
/**
* {@inheritdoc}
*/
public function evictFromCacheById($aclId)
{
$lookupKey = $this->getAliasKeyForIdentity($aclId);
if (!$this->cache->contains($lookupKey)) {
return;
}
$key = $this->cache->fetch($lookupKey);
if ($this->cache->contains($key)) {
$this->cache->delete($key);
}
$this->cache->delete($lookupKey);
}
/**
* {@inheritdoc}
*/
public function evictFromCacheByIdentity(ObjectIdentityInterface $oid)
{
$key = $this->getDataKeyByIdentity($oid);
if (!$this->cache->contains($key)) {
return;
}
$this->cache->delete($key);
}
/**
* {@inheritdoc}
*/
public function getFromCacheById($aclId)
{
$lookupKey = $this->getAliasKeyForIdentity($aclId);
if (!$this->cache->contains($lookupKey)) {
return;
}
$key = $this->cache->fetch($lookupKey);
if (!$this->cache->contains($key)) {
$this->cache->delete($lookupKey);
return;
}
return $this->unserializeAcl($this->cache->fetch($key));
}
/**
* {@inheritdoc}
*/
public function getFromCacheByIdentity(ObjectIdentityInterface $oid)
{
$key = $this->getDataKeyByIdentity($oid);
if (!$this->cache->contains($key)) {
return;
}
return $this->unserializeAcl($this->cache->fetch($key));
}
/**
* {@inheritdoc}
*/
public function putInCache(AclInterface $acl)
{
if (null === $acl->getId()) {
throw new \InvalidArgumentException('Transient ACLs cannot be cached.');
}
if (null !== $parentAcl = $acl->getParentAcl()) {
$this->putInCache($parentAcl);
}
$key = $this->getDataKeyByIdentity($acl->getObjectIdentity());
$this->cache->save($key, serialize($acl));
$this->cache->save($this->getAliasKeyForIdentity($acl->getId()), $key);
}
}
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