From 3dc5c59e5721b4e363acca28dbf0bf2c9e4856ac Mon Sep 17 00:00:00 2001
From: Lukas Reschke <lukas@owncloud.com>
Date: Wed, 30 Mar 2016 22:45:09 +0200
Subject: [PATCH] Use RetryWrapper for SFTP storage

Equivalent to https://github.com/owncloud/core/pull/23442

Required for making encryption work with external storage reliable.
---
 apps/files_external/lib/sftp.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/apps/files_external/lib/sftp.php b/apps/files_external/lib/sftp.php
index f6b2873cf4..c44ee9f908 100644
--- a/apps/files_external/lib/sftp.php
+++ b/apps/files_external/lib/sftp.php
@@ -32,6 +32,7 @@
 namespace OC\Files\Storage;
 use Icewind\Streams\IteratorDirectory;
 
+use Icewind\Streams\RetryWrapper;
 use phpseclib\Net\SFTP\Stream;
 
 /**
@@ -374,7 +375,8 @@ class SFTP extends \OC\Files\Storage\Common {
 				case 'c':
 				case 'c+':
 					$context = stream_context_create(array('sftp' => array('session' => $this->getConnection())));
-					return fopen($this->constructUrl($path), $mode, false, $context);
+					$handle = fopen($this->constructUrl($path), $mode, false, $context);
+					return RetryWrapper::wrap($handle);
 			}
 		} catch (\Exception $e) {
 		}