Add storage and cache wrappers to apply a permissions mask to a storage

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/private/files/cache/wrapper/cachepermissionsmask.php b/lib/private/files/cache/wrapper/cachepermissionsmask.php
new file mode 100644
index 00000000000..6ce6a4ebc44
--- /dev/null
+++ b/lib/private/files/cache/wrapper/cachepermissionsmask.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Files\Cache\Wrapper;
+
+class CachePermissionsMask extends CacheWrapper {
+	/**
+	 * @var int
+	 */
+	protected $mask;
+
+	/**
+	 * @param \OC\Files\Cache\Cache $cache
+	 * @param int $mask
+	 */
+	public function __construct($cache, $mask) {
+		parent::__construct($cache);
+		$this->mask = $mask;
+	}
+
+	protected function formatCacheEntry($entry) {
+		if (isset($entry['permissions'])) {
+			$entry['permissions'] &= $this->mask;
+		}
+		return $entry;
+	}
+}