From 47e7ff18d0daa85a8c7cbaf4885907c86c68fe35 Mon Sep 17 00:00:00 2001
From: raphael <raphael.fritsch@reutlingen-university.de>
Date: Fri, 11 Jan 2019 10:33:32 +0100
Subject: [PATCH] catch error on folder creation

---
 server.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/server.js b/server.js
index e17f809..6948873 100644
--- a/server.js
+++ b/server.js
@@ -57,8 +57,12 @@ function progressUploadFormData(formData) {
     var filename = whiteboardId+"_"+date+".png";
 
     fs.ensureDir("./public/uploads", function(err) {
+        if(err) {
+            console.log("Could not create upload folder!", err);
+            return;
+        }
         var imagedata = fields["imagedata"];
-        if(imagedata && imagedata != "") { //Save from base64
+        if(imagedata && imagedata != "") { //Save from base64 data
             imagedata = imagedata.replace(/^data:image\/png;base64,/, "").replace(/^data:image\/jpeg;base64,/, "");
             console.log(filename, "uploaded");
             fs.writeFile('./public/uploads/'+filename, imagedata, 'base64', function(err) {