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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\Encryption;
use OC\Files\Filesystem;
use OC\Files\Storage\Wrapper\Encryption;
use OC\Files\View;
use OC\Memcache\ArrayCache;
use OCP\Encryption\IFile;
use OCP\Encryption\Keys\IStorage as EncryptionKeysStorage;
use OCP\Files\Mount\IMountPoint;
use OCP\Files\Storage\IDisableEncryptionStorage;
use OCP\Files\Storage\IStorage;
use Psr\Log\LoggerInterface;
/**
* Class EncryptionWrapper
*
* applies the encryption storage wrapper
*
* @package OC\Encryption
*/
class EncryptionWrapper {
/** @var ArrayCache */
private $arrayCache;
/** @var Manager */
private $manager;
private LoggerInterface $logger;
/**
* EncryptionWrapper constructor.
*/
public function __construct(ArrayCache $arrayCache,
Manager $manager,
LoggerInterface $logger
) {
$this->arrayCache = $arrayCache;
$this->manager = $manager;
$this->logger = $logger;
}
/**
* Wraps the given storage when it is not a shared storage
*
* @param string $mountPoint
* @param IStorage $storage
* @param IMountPoint $mount
* @param bool $force apply the wrapper even if the storage normally has encryption disabled, helpful for repair steps
* @return Encryption|IStorage
*/
public function wrapStorage(string $mountPoint, IStorage $storage, IMountPoint $mount, bool $force = false) {
$parameters = [
'storage' => $storage,
'mountPoint' => $mountPoint,
'mount' => $mount
];
if ($force || (!$storage->instanceOfStorage(IDisableEncryptionStorage::class) && $mountPoint !== '/')) {
$user = \OC::$server->getUserSession()->getUser();
$mountManager = Filesystem::getMountManager();
$uid = $user ? $user->getUID() : null;
$fileHelper = \OC::$server->get(IFile::class);
$keyStorage = \OC::$server->get(EncryptionKeysStorage::class);
$util = new Util(
new View(),
\OC::$server->getUserManager(),
\OC::$server->getGroupManager(),
\OC::$server->getConfig()
);
$update = new Update(
new View(),
$util,
Filesystem::getMountManager(),
$this->manager,
$fileHelper,
$this->logger,
$uid
);
return new Encryption(
$parameters,
$this->manager,
$util,
$this->logger,
$fileHelper,
$uid,
$keyStorage,
$update,
$mountManager,
$this->arrayCache
);
} else {
return $storage;
}
}
}
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