From 04e1f09fedbaa9a83a6d747f033467e1f42f4d53 Mon Sep 17 00:00:00 2001
From: zneix <44851575+zneix@users.noreply.github.com>
Date: Wed, 2 Sep 2020 16:18:47 +0200
Subject: [PATCH] Patched POST API bug

It is no longer possible to make a POST request with no body content and make a "ghost key" - which upon requesting returns 404, but it considered as a taken key
---
 lib/document_handler.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/document_handler.js b/lib/document_handler.js
index c6ba21d..78ae674 100644
--- a/lib/document_handler.js
+++ b/lib/document_handler.js
@@ -80,6 +80,12 @@ DocumentHandler.prototype.handlePost = function (req, res){
 
 	let onSuccess = async function (){
 		//check length
+		if (!buffer.length){
+			cancelled = true;
+			winston.warn('document with no length was POSTed');
+			res.status(411).json({ message: 'Length required.' });
+			return;
+		}
 		if (_this.maxLength && buffer.length > _this.maxLength){
 			cancelled = true;
 			winston.warn('document >maxLength', { maxLength: _this.maxLength });