From: Bjoern Schiessle <schiessle@owncloud.com>
Date: Wed, 15 Apr 2015 11:17:01 +0000 (+0200)
Subject: if we start writing a file from the beginning, size should start by zero; result... 
X-Git-Tag: v8.1.0alpha2~60^2~2
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=67500d5f2fa9eae33a33095b3e0ddc723dae69c5;p=nextcloud-server.git

if we start writing a file from the beginning, size should start by zero; result of floor needs to be casted to int in order to compare it with ->size
---

diff --git a/lib/private/files/stream/encryption.php b/lib/private/files/stream/encryption.php
index 9ba98e61d3e..4a1df840105 100644
--- a/lib/private/files/stream/encryption.php
+++ b/lib/private/files/stream/encryption.php
@@ -280,7 +280,7 @@ class Encryption extends Wrapper {
 
 		if ($this->position === 0) {
 			$this->writeHeader();
-			$this->size+=$this->util->getHeaderSize();
+			$this->size = $this->util->getHeaderSize();
 		}
 
 		$length = 0;
@@ -293,7 +293,7 @@ class Encryption extends Wrapper {
 
 			// for seekable streams the pointer is moved back to the beginning of the encrypted block
 			// flush will start writing there when the position moves to another block
-			$positionInFile = floor($this->position / $this->unencryptedBlockSize) *
+			$positionInFile = (int)floor($this->position / $this->unencryptedBlockSize) *
 				$this->util->getBlockSize() + $this->util->getHeaderSize();
 			$resultFseek = parent::stream_seek($positionInFile);