server/apps/files_sharing/lib/Cache.php
2016-10-20 20:27:44 +02:00

107 lines
2.9 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Christopher Schäpers <kondou@ts.unde.re>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Michael Gapczynski <GapczynskiM@gmail.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Files_Sharing;
use OC\Files\Cache\Wrapper\CacheJail;
use OCP\Files\Cache\ICacheEntry;
use OCP\Files\Storage\IStorage;
/**
* Metadata cache for shared files
*
* don't use this class directly if you need to get metadata, use \OC\Files\Filesystem::getFileInfo instead
*/
class Cache extends CacheJail {
/**
* @var \OCA\Files_Sharing\SharedStorage
*/
private $storage;
/**
* @var IStorage
*/
private $sourceStorage;
/**
* @var ICacheEntry
*/
private $sourceRootInfo;
/**
* @var \OCP\Files\Cache\ICache
*/
private $sourceCache;
/**
* @param \OCA\Files_Sharing\SharedStorage $storage
* @param IStorage $sourceStorage
* @param ICacheEntry $sourceRootInfo
*/
public function __construct($storage, IStorage $sourceStorage, ICacheEntry $sourceRootInfo) {
$this->storage = $storage;
$this->sourceStorage = $sourceStorage;
$this->sourceRootInfo = $sourceRootInfo;
$this->sourceCache = $sourceStorage->getCache();
parent::__construct(
$this->sourceCache,
$this->sourceRootInfo->getPath()
);
}
public function getNumericStorageId() {
if (isset($this->numericId)) {
return $this->numericId;
} else {
return false;
}
}
protected function formatCacheEntry($entry) {
$path = isset($entry['path']) ? $entry['path'] : '';
$entry = parent::formatCacheEntry($entry);
$sharePermissions = $this->storage->getPermissions($path);
if (isset($entry['permissions'])) {
$entry['permissions'] &= $sharePermissions;
} else {
$entry['permissions'] = $sharePermissions;
}
$entry['uid_owner'] = $this->storage->getOwner($path);
$entry['displayname_owner'] = \OC_User::getDisplayName($entry['uid_owner']);
if ($path === '') {
$entry['is_share_mount_point'] = true;
}
return $entry;
}
/**
* remove all entries for files that are stored on the storage from the cache
*/
public function clear() {
// Not a valid action for Shared Cache
}
}