From 6bb48b2731185dd93ad1a1edc52f33725cd99061 Mon Sep 17 00:00:00 2001
From: Michael Gapczynski <GapczynskiM@gmail.com>
Date: Sun, 1 Apr 2012 02:38:26 -0400
Subject: [PATCH] Check file handle exists before trying to read file

---
 lib/filesystemview.php | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/lib/filesystemview.php b/lib/filesystemview.php
index 39e47975b2..a3736f1976 100644
--- a/lib/filesystemview.php
+++ b/lib/filesystemview.php
@@ -137,13 +137,16 @@ class OC_FilesystemView {
 	}
 	public function readfile($path){
 		$handle=$this->fopen($path,'r');
-		$chunkSize = 1024*1024;// 1 MB chunks
-		while (!feof($handle)) {
-			echo fread($handle, $chunkSize);
-			@ob_flush();
-			flush();
+		if ($handle) {
+			$chunkSize = 1024*1024;// 1 MB chunks
+			while (!feof($handle)) {
+				echo fread($handle, $chunkSize);
+				@ob_flush();
+				flush();
+			}
+			return $this->filesize($path);
 		}
-		return $this->filesize($path);
+		return false;
 	}
 	public function is_readable($path){
 		return $this->basicOperation('is_readable',$path);