From f62d94c4ff353218c5a012066216080507821b48 Mon Sep 17 00:00:00 2001
From: Vincent Petry <pvince81@owncloud.com>
Date: Mon, 13 Jul 2015 18:28:53 +0200
Subject: [PATCH] Throw StorageNotAvailable if propfind on root failed

If PROPFIND fails with 404 or 405 on the remote share root, it means the
storage is not available. Throw StorageNotAvailable is such case.
---
 lib/private/files/storage/dav.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/private/files/storage/dav.php b/lib/private/files/storage/dav.php
index d67e6b9f97..e02f971b38 100644
--- a/lib/private/files/storage/dav.php
+++ b/lib/private/files/storage/dav.php
@@ -760,7 +760,11 @@ class DAV extends Common {
 				return $remoteMtime > $time;
 			}
 		} catch (ClientHttpException $e) {
-			if ($e->getHttpStatus() === 404) {
+			if ($e->getHttpStatus() === 404 || $e->getHttpStatus() === 405) {
+				if ($path === '') {
+					// if root is gone it means the storage is not available
+					throw new StorageNotAvailableException(get_class($e).': '.$e->getMessage());
+				}
 				return false;
 			}
 			$this->convertException($e);