From 24423ce112e449c91d0fe2cf58e2a1e6460f728c Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Fri, 16 Mar 2012 16:34:10 +0100
Subject: [PATCH] File extension check is now case-insensitive

Fixes #527
---
 wcfsetup/install/files/lib/system/upload/UploadFile.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/system/upload/UploadFile.class.php b/wcfsetup/install/files/lib/system/upload/UploadFile.class.php
index 7a0158818d..d3e05352d8 100644
--- a/wcfsetup/install/files/lib/system/upload/UploadFile.class.php
+++ b/wcfsetup/install/files/lib/system/upload/UploadFile.class.php
@@ -82,7 +82,7 @@ class UploadFile {
 	 */
 	public function getFileExtension() {
 		if (($position = StringUtil::lastIndexOf($this->getFilename(), '.')) !== false) {
-			return StringUtil::substring($this->getFilename(), $position + 1);
+			return StringUtil::toLowerCase(StringUtil::substring($this->getFilename(), $position + 1));
 		}
 		
 		return '';
-- 
2.20.1