From dcc3dcfbc951dc84c64c044cabb94cbc6ca14e16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=E5=BC=A0?= <s_jqzhang@163.com>
Date: Mon, 31 Dec 2018 11:26:51 +0800
Subject: [PATCH] Update fileserver.go

---
 fileserver.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fileserver.go b/fileserver.go
index a159ff7..373dc7a 100644
--- a/fileserver.go
+++ b/fileserver.go
@@ -499,6 +499,13 @@ func (this *Server) Upload(w http.ResponseWriter, r *http.Request) {
 
 				md5sum = util.GetFileMd5(uploadFile)
 
+				if info, _ := this.GetFileInfoByMd5(md5sum); info != nil && info.Path != "" && info.Path != folder {
+					os.Remove(folder + "/" + name)
+					download_url := fmt.Sprintf("http://%s/%s", r.Host, info.Path+"/"+info.Name)
+					w.Write([]byte(download_url))
+					return
+				}
+
 			} else {
 
 				v := util.GetFileMd5(uploadFile)