1 files changed, 105 insertions, 0 deletions
diff --git a/apps/files_sharing/lib/Cache.php b/apps/files_sharing/lib/Cache.php
new file mode 100644
index 00000000000..abd75282579
--- /dev/null
+++ b/apps/files_sharing/lib/Cache.php
@@ -0,0 +1,105 @@
+<?php
+/**
+ * @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 <icewind@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @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 \OC\Files\Storage\Shared
+	 */
+	private $storage;
+
+	/**
+	 * @var IStorage
+	 */
+	private $sourceStorage;
+
+	/**
+	 * @var ICacheEntry
+	 */
+	private $sourceRootInfo;
+
+	/**
+	 * @var \OCP\Files\Cache\ICache
+	 */
+	private $sourceCache;
+
+	/**
+	 * @param \OC\Files\Storage\Shared $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 = $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
+	}
+}