From aafe8d84cbae8813fdef73154337c76849e56c8d Mon Sep 17 00:00:00 2001
From: zhangmingfeng <zhangmf2008@126.com>
Date: Mon, 3 Sep 2018 11:01:35 +0800
Subject: [PATCH] Update volume_server_handlers_read.go

change ext to lower-case
---
 weed/server/volume_server_handlers_read.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/weed/server/volume_server_handlers_read.go b/weed/server/volume_server_handlers_read.go
index e1695f00f..64b90b8e7 100644
--- a/weed/server/volume_server_handlers_read.go
+++ b/weed/server/volume_server_handlers_read.go
@@ -185,6 +185,9 @@ func (vs *VolumeServer) tryHandleChunkedFile(n *storage.Needle, fileName string,
 
 func conditionallyResizeImages(originalDataReaderSeeker io.ReadSeeker, ext string, r *http.Request) io.ReadSeeker {
 	rs := originalDataReaderSeeker
+	if len(ext) > 0 {
+		ext = strings.ToLower(ext)
+	}
 	if ext == ".png" || ext == ".jpg" || ext == ".jpeg" || ext == ".gif" {
 		width, height := 0, 0
 		if r.FormValue("width") != "" {