From 163faf569a1c2e945e41044b3053bd0d12eddf82 Mon Sep 17 00:00:00 2001
From: Andrea Spacca <andrea.spacca@gmail.com>
Date: Sat, 7 Jul 2018 09:55:46 +0200
Subject: [PATCH] Handle empty upload

---
 server/handlers.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/server/handlers.go b/server/handlers.go
index 6415edd..2d06eed 100644
--- a/server/handlers.go
+++ b/server/handlers.go
@@ -397,6 +397,12 @@ func (s *Server) putHandler(w http.ResponseWriter, r *http.Request) {
 		contentLength = n
 	}
 
+	if contentLength == 0 {
+		log.Print("Empty content-length")
+		http.Error(w, errors.New("Could not uplpoad empty file").Error(), 400)
+		return
+	}
+
 	contentType := r.Header.Get("Content-Type")
 
 	if contentType == "" {