config to disable referrer check for local dev environment

configs/main.json.example

@@ -1,10 +1,11 @@
 {
-    "dbURL": "mongodb://username:password@host:port",
-    "port": 7000,
-    "sessionSecret": "long random string",
+	"dbURL": "mongodb://username:password@host:port",
+	"port": 7000,
+	"sessionSecret": "long random string",
 	"tripcodeSecret": "long random string",
 	"ipHashSecret": "long random string",
 	"cacheTemplates": true,
+	"refererCheck": false,
 	"refererRegex": "^https?:\\/\\/(?:www\\.)?domain\\.com\\/",
 	"openGraph": {
 		"siteName": "site name",

server.js

@@ -58,7 +58,7 @@ const express = require('express')
 		if (req.method !== 'POST') {
 			return next();
 		}
-		if (!req.headers.referer || !req.headers.referer.match(refererRegex)) {
+		if (configs.refererCheck === true && (!req.headers.referer || !req.headers.referer.match(refererRegex))) {
 			return res.status(403).render('message', {
 				'title': 'Forbidden',
 				'message': 'Invalid or missing "Referer" header. Are you posting from the correct URL?'