From 4db92fa8b5954313675cf1643d784112db338f3b Mon Sep 17 00:00:00 2001
From: Samuel Georges <sam@daftspunk.com>
Date: Sat, 5 Dec 2015 08:47:07 +1100
Subject: [PATCH] Alt fix for #1585

---
 modules/backend/formwidgets/FileUpload.php | 4 +---
 modules/system/ServiceProvider.php         | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/modules/backend/formwidgets/FileUpload.php b/modules/backend/formwidgets/FileUpload.php
index f5ec779dd..7bcc47601 100644
--- a/modules/backend/formwidgets/FileUpload.php
+++ b/modules/backend/formwidgets/FileUpload.php
@@ -255,9 +255,7 @@ class FileUpload extends FormWidgetBase
             return $value;
         }, $types);
 
-        $types = implode(',', $types);
-
-        return $types . ',' . strtoupper($types);
+        return implode(',', $types);
     }
 
     /**
diff --git a/modules/system/ServiceProvider.php b/modules/system/ServiceProvider.php
index d8913f8ef..02a4d4086 100644
--- a/modules/system/ServiceProvider.php
+++ b/modules/system/ServiceProvider.php
@@ -457,7 +457,7 @@ class ServiceProvider extends ModuleServiceProvider
          * - extensions: png,jpg,txt
          */
         Validator::extend('extensions', function($attribute, $value, $parameters) {
-            $extension = $value->getClientOriginalExtension();
+            $extension = strtolower($value->getClientOriginalExtension());
             return in_array($extension, $parameters);
         });