From 02fbdab78deed3a11c338b3cec18a5dd757b81f5 Mon Sep 17 00:00:00 2001
From: Sheng <webmaster0115@gmail.com>
Date: Wed, 7 Feb 2018 07:40:17 +0800
Subject: [PATCH] Check form data required before submission

---
 static/js/main.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/static/js/main.js b/static/js/main.js
index 629c88e..21b1d27 100644
--- a/static/js/main.js
+++ b/static/js/main.js
@@ -11,6 +11,11 @@ jQuery(function($){
           type = form.attr('type'),
           data = new FormData(this);
 
+      if (!data.get('hostname') || !data.get('port') || !data.get('username')) {
+        status.text('Hostname, port and username are required.');
+        return;
+      }
+
       var pk = data.get('privatekey');
       if (pk && pk.size > 16384) {
         status.text('Key size exceeds maximum value.');