Patch limited access

CHANGELOG.md

@@ -7,6 +7,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Added
 - Method to overwrite the module's header. [See documentation.](https://github.com/MichMich/MagicMirror/tree/develop/modules#getheader)
+- Option to limit access to certain IP addresses based on the value of `ipWhitelist` in the `config.js`, default is access from localhost only (Issue [#456](https://github.com/MichMich/MagicMirror/issues/456))
 
 ### Updated
 - Modified translations for Frysk.

README.md

@@ -77,6 +77,8 @@ The following properties can be configured:
 | **Option** | **Description** |
 | --- | --- |
 | `port` | The port on which the MagicMirror² server will run on. The default value is `8080`. |
+| `ipWhitelist` | The list of IPs from which you are allowed to access the MagicMirror². The default value is `["127.0.0.1", "::ffff:127.0.0.1"]`.It is possible to specify IPs with subnet masks (`["127.0.0.1", "127.0.0.1/24"]`) or define ip ranges (`["127.0.0.1", ["192.168.0.1", "192.168.0.100"]]`).
+ |
 | `kioskmode` | This allows MagicMirror² to run in Kiosk Mode. It protects from other programs popping on top of your screen. The default value is `false`|
 | `language` | The language of the interface. (Note: Not all elements will be localized.) Possible values are `en`, `nl`, `ru`, `fr`, etc., but the default value is `en`. |
 | `timeFormat` | The form of time notation that will be used. Possible values are `12` or `24`. The default is `24`. |

config/config.js.sample

@@ -6,6 +6,7 @@
 
 var config = {
 	port: 8080,
+	ipWhitelist: ["127.0.0.1", "::ffff:127.0.0.1"],
 
 	language: 'en',
 	timeFormat: 24,

js/defaults.js

@@ -10,6 +10,7 @@
 var defaults = {
 	port: 8080,
 	kioskmode: false,
+	ipWhitelist: ["127.0.0.1", "::ffff:127.0.0.1"],
 
 	language: "en",
 	timeFormat: 24,

js/server.js

@@ -10,11 +10,23 @@ var app = require("express")();
 var server = require("http").Server(app);
 var io = require("socket.io")(server);
 var path = require("path");
+var ipfilter = require("express-ipfilter").IpFilter;
 
 var Server = function(config, callback) {
 	console.log("Starting server op port " + config.port + " ... ");
 
 	server.listen(config.port);
+
+	app.use(function(req, res, next) {
+		var result = ipfilter(config.ipWhitelist, {mode: "allow", log: false})(req, res, function(err) {
+			if (err === undefined) {
+				return next();
+			}
+			console.log(err.message);
+			res.status(403).send("This device is not allowed to access your mirror. <br> Please check your config.js or config.js.sample to change this.");
+		});
+	});
+
 	app.use("/js", express.static(__dirname));
 	app.use("/config", express.static(path.resolve(__dirname + "/../config")));
 	app.use("/css", express.static(path.resolve(__dirname + "/../css")));

package.json

@@ -39,6 +39,7 @@
   "dependencies": {
     "electron-prebuilt": "^0.37.2",
     "express": "^4.14.0",
+    "express-ipfilter": "latest",
     "feedme": "latest",
     "iconv-lite": "latest",
     "moment": "latest",