From ffb55d5a17dc3a72b33d9ad2cedc0682e1caa567 Mon Sep 17 00:00:00 2001
From: Michael Gapczynski <mtgap@owncloud.com>
Date: Wed, 8 Aug 2012 11:25:24 -0400
Subject: [PATCH] Don't return file handle if the mode supports writing and the
file is not writable
Conflicts:
apps/files_sharing/sharedstorage.php
---
apps/files_sharing/sharedstorage.php | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/apps/files_sharing/sharedstorage.php b/apps/files_sharing/sharedstorage.php
index 8b19338283..a2dfe34402 100644
--- a/apps/files_sharing/sharedstorage.php
+++ b/apps/files_sharing/sharedstorage.php
@@ -416,6 +416,25 @@ class OC_Filestorage_Shared extends OC_Filestorage {
public function fopen($path, $mode) {
$source = $this->getSource($path);
if ($source) {
+ switch ($mode) {
+ case 'r+':
+ case 'rb+':
+ case 'w+':
+ case 'wb+':
+ case 'x+':
+ case 'xb+':
+ case 'a+':
+ case 'ab+':
+ case 'w':
+ case 'wb':
+ case 'x':
+ case 'xb':
+ case 'a':
+ case 'ab':
+ if (!$this->is_writable($path)) {
+ return false;
+ }
+ }
$storage = OC_Filesystem::getStorage($source);
return $storage->fopen($this->getInternalPath($source), $mode);
}
--
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