diff --git a/apps/files_sharing/lib/permissions.php b/apps/files_sharing/lib/permissions.php
index 6747faa4d4..b6638564cd 100644
--- a/apps/files_sharing/lib/permissions.php
+++ b/apps/files_sharing/lib/permissions.php
@@ -70,6 +70,28 @@ class Shared_Permissions extends Permissions {
 		return $filePermissions;
 	}
 
+	/**
+	 * get the permissions for all files in a folder
+	 *
+	 * @param int $parentId
+	 * @param string $user
+	 * @return int[]
+	 */
+	public function getDirectoryPermissions($parentId, $user) {
+		// Root of the Shared folder
+		if ($parentId === -1) {
+			return \OCP\Share::getItemsSharedWith('file', \OC_Share_Backend_File::FORMAT_PERMISSIONS);
+		}
+		$permissions = $this->get($parentId, $user);
+		$query = \OC_DB::prepare('SELECT `fileid` FROM `*PREFIX*filecache` WHERE `parent` = ?');
+		$result = $query->execute(array($parentId));
+		$filePermissions = array();
+		while ($row = $result->fetchRow()) {
+			$filePermissions[$row['fileid']] = $permissions;
+		}
+		return $filePermissions;
+	}
+
 	/**
 	 * remove the permissions for a file
 	 *
@@ -83,4 +105,5 @@ class Shared_Permissions extends Permissions {
 	public function removeMultiple($fileIds, $user) {
 		// Not a valid action for Shared Permissions
 	}
-}
+
+}
\ No newline at end of file
diff --git a/apps/files_sharing/lib/share/file.php b/apps/files_sharing/lib/share/file.php
index 6294865180..07e7a4ca0c 100644
--- a/apps/files_sharing/lib/share/file.php
+++ b/apps/files_sharing/lib/share/file.php
@@ -26,6 +26,7 @@ class OC_Share_Backend_File implements OCP\Share_Backend_File_Dependent {
 	const FORMAT_FILE_APP_ROOT = 2;
 	const FORMAT_OPENDIR = 3;
 	const FORMAT_GET_ALL = 4;
+	const FORMAT_PERMISSIONS = 5;
 
 	private $path;
 
@@ -125,6 +126,12 @@ class OC_Share_Backend_File implements OCP\Share_Backend_File_Dependent {
 				$ids[] = $item['file_source'];
 			}
 			return $ids;
+		} else if ($format === self::FORMAT_PERMISSIONS) {
+			$filePermissions = array();
+			foreach ($items as $item) {
+				$filePermissions[$item['file_source']] = $item['permissions'];
+			}
+			return $filePermissions;
 		}
 		return array();
 	}