From 4c2358cf0ad4848f03e240b1a779e0dafbfa54fa Mon Sep 17 00:00:00 2001
From: Ilja Neumann <ineumann@owncloud.com>
Date: Mon, 27 Feb 2017 18:30:10 +0100
Subject: [PATCH] #7496 Don`t allow upload of files with extension .part

---
 lib/private/legacy/util.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/private/legacy/util.php b/lib/private/legacy/util.php
index 2ecbfb99dfb7..cef9f6e88a94 100644
--- a/lib/private/legacy/util.php
+++ b/lib/private/legacy/util.php
@@ -1438,6 +1438,12 @@ public static function isValidFileName($file) {
 		if (\OC\Files\Filesystem::isIgnoredDir($trimmed)) {
 			return false;
 		}
+
+		$path_parts = pathinfo($trimmed);
+		if ($path_parts['extension'] === 'part') {
+			return false;
+		}
+
 		foreach (str_split($trimmed) as $char) {
 			if (strpos(\OCP\Constants::FILENAME_INVALID_CHARS, $char) !== false) {
 				return false;