Added ip-banning middleware, under development

Dockerfile

@@ -1,3 +1,4 @@
+
 FROM node:18-bullseye-slim
 WORKDIR "/app"
 COPY package*.json ./

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2021 Kayne Ruse, KR Game Studios
+Copyright (c) 2021-2023 Kayne Ruse, KR Game Studios
 
 This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
 

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "auth-server",
-  "version": "1.7.1",
+  "version": "1.7.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
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       "name": "auth-server",
-      "version": "1.7.1",
+      "version": "1.7.6",
       "license": "ISC",
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@@ -15,14 +15,14 @@
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         "express": "^4.18.2",
         "jsonwebtoken": "^9.0.0",
-        "mariadb": "^3.0.2",
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-        "nodemailer": "^6.8.0",
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+        "sequelize": "^6.31.1"
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package.json

@@ -1,6 +1,6 @@
 {
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   "description": "An API centric auth server. Uses Sequelize and mariaDB by default.",
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-    "mariadb": "^3.0.2",
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   "devDependencies": {
-    "nodemon": "^2.0.20"
+    "nodemon": "^2.0.22"
   }
 }

server/auth/signup.js

@@ -19,6 +19,13 @@ const route = async (req, res) => {
 		return res.status(401).send(validateErr);
 	}
 
+	//script throttle
+	const throttle = await checkThrottle(req.body.email);
+	if (throttle) {
+		console.warn(`Spam attack detected: ${req.body.email} (${req.body.username})`);
+		return res.status(401).send(throttle);
+	}
+
 	//generate the password hash
 	const hash = await bcrypt.hash(req.body.password, await bcrypt.genSalt(11));
 
@@ -83,6 +90,10 @@ const validateDetails = async (body) => {
 		return 'Missing password';
 	}
 
+	if (typeof body.password != "string") {
+		return 'Invalid password';
+	}
+
 	if (body.password.length < 8) {
 		return 'Password too short';
 	}
@@ -90,6 +101,25 @@ const validateDetails = async (body) => {
 	return null;
 };
 
+const checkThrottle = async (email) => {
+	//check email delay
+	const prev = await pendingSignups.findOne({
+		where: {
+			email: email,
+		}
+	});
+
+	const DateOffset = ( offset ) => { //Thanks, SO!
+		return new Date( +new Date + offset );
+	}
+
+	if (!!prev && prev.updatedAt > DateOffset( -5000 )) {
+		return "An unknown error occurred";
+	}
+
+	return null;
+}
+
 const registerPendingSignup = async (body, hash, token) => {
 	const record = await pendingSignups.upsert({
 		email: body.email,

server/database/models/banned-ip-addresses.js

@@ -0,0 +1,15 @@
+const Sequelize = require('sequelize');
+const sequelize = require('..');
+
+module.exports = sequelize.define('bannedIPAddresses', {
+	content: {
+		type: 'varchar(320)',
+		unique: true
+	},
+
+	expiry: {
+		type: 'DATETIME',
+		allowNull: true,
+		defaultValue: null
+	},
+});

server/database/models/index.js

@@ -2,5 +2,6 @@ module.exports = {
 	tokens: require('./tokens'),
 	accounts: require('./accounts'),
 	pendingSignups: require('./pending-signups'),
-	recovery: require('./recovery')
+	recovery: require('./recovery'),
+	bannedIPAddresses: require("./banned-ip-addresses"),
 };

server/server.js

@@ -23,6 +23,9 @@ app.use(cookieParser());
 //database connection
 const database = require('./database');
 
+//ip-based management
+app.use(require('./utilities/banned-up-addresses-middleware'));
+
 //access the admin
 app.use('/admin', require('./admin'));
 
@@ -36,17 +39,6 @@ app.get('*', (req, res) => {
 
 //startup
 server.listen(process.env.WEB_PORT || 3200, async (err) => {
-	//BUGFIX: clear out old refresh tokens
-	const { Op } = require('sequelize');
-	const { tokens } = require('./database/models');
-	tokens.destroy({
-		where: {
-			createdAt: {
-				[Op.lt]: new Date(new Date().setDate(new Date().getDate() - 30))
-			}
-		}
-	});
-
 	await database.sync();
 	console.log(`listening to localhost:${process.env.WEB_PORT || 3200}`);
 });

server/utilities/banned-up-addresses-middleware.js

@@ -0,0 +1,25 @@
+const { Op } = require("sequelize");
+const { bannedIPAddresses } = require('../database/models');
+
+//middleware to manage banned IP addresses
+module.exports = async (req, res, next) => {
+	const address = req.header('x-forwarded-for') || req.socket.remoteAddress;
+
+	const record = await bannedIPAddresses.findOne({
+		where: {
+			content: address,
+
+			expiry: {
+				[Op.gt]: Date.now()
+			}
+		}
+	});
+
+	if (!!record) {
+		return res.status(403).send("IP address banned");
+	}
+
+	console.log(`IP      ${address}`);
+
+	return next();
+};

tools/react/token-provider.jsx

@@ -25,6 +25,11 @@ const TokenProvider = props => {
 		localStorage.setItem("accessToken", accessToken);
 	}, [accessToken]);
 
+	//force a logout if refresh token is too old
+	if (accessToken && (new Date(Date.now() - 60 * 60 * 24 * 30 * 1000).getTime() > decode(accessToken).exp * 1000)) {
+		forceLogout();
+	}
+
 	//wrap the default fetch function
 	const tokenFetch = async (url, options) => {
 		//use this?