From: jknockaert <jasper@knockaert.nl>
Date: Thu, 2 Apr 2015 12:52:54 +0000 (+0200)
Subject: Fixing encryption stream wrapper seek - thanks  @jknockaert
X-Git-Tag: v8.1.0alpha1~78^2~23
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=02404a6a8cd07ca79add601deaefe3b4940eddfa;p=nextcloud-server.git

Fixing encryption stream wrapper seek - thanks  @jknockaert
---

diff --git a/lib/private/files/stream/encryption.php b/lib/private/files/stream/encryption.php
index fcc9984500d..fdfe73d99c5 100644
--- a/lib/private/files/stream/encryption.php
+++ b/lib/private/files/stream/encryption.php
@@ -362,8 +362,11 @@ class Encryption extends Wrapper {
 		$newFilePosition = floor($newPosition / $this->unencryptedBlockSize)
 			* $this->util->getBlockSize() + $this->util->getHeaderSize();
 
+		$oldFilePosition = parent::stream_tell();
 		if (parent::stream_seek($newFilePosition)) {
+			parent::stream_seek($oldFilePosition);
 			$this->flush();
+			parent::stream_seek($newFilePosition);
 			$this->position = $newPosition;
 			$return = true;
 		}