Added basic Auth-Service features

.gitignore

@@ -0,0 +1,9 @@
+.env
+
+*.md
+node_modules
+*-local.yml
+
+.claude
+.DS_Store
+docker-compose.yml

api/Dockerfile

@@ -0,0 +1,11 @@
+FROM node:20-slim
+RUN corepack enable && corepack prepare pnpm@latest
+
+WORKDIR /app
+
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+COPY . .
+EXPOSE 3000
+CMD ["node", "src/index.js"]

api/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "api",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "packageManager": "pnpm@11.1.3",
+  "dependencies": {
+    "express": "^5.2.1",
+    "ioredis": "^5.10.1",
+    "pg": "^8.21.0"
+  }
+}

api/pnpm-lock.yaml

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+      postgres-interval: 1.2.0
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+      pg-pool: 3.14.0(pg@8.21.0)
+      pg-protocol: 1.14.0
+      pg-types: 2.2.0
+      pgpass: 1.0.5
+    optionalDependencies:
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+      object-inspect: 1.13.4
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+      side-channel-weakmap: 1.0.2
+
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+  standard-as-callback@2.1.0: {}
+
+  statuses@2.0.2: {}
+
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+
+  type-is@2.1.0:
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+      media-typer: 1.1.0
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+
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api/src/index.js

@@ -0,0 +1,19 @@
+import express from 'express';
+
+const app = express();
+
+app.get('/health', (req, res) => {
+  res.json({
+    service: "api",
+    version: {
+      major: process.env.V_MAJOR,
+      minor: process.env.V_MINOR,
+      patch: process.env.V_PATCH
+    }
+  })
+});
+
+
+app.listen(3000, '0.0.0.0', () => {
+  console.log('API started')
+})

auth/Dockerfile

@@ -0,0 +1,8 @@
+FROM node:20-alpine
+WORKDIR /app
+RUN corepack enable && corepack prepare pnpm@10.26.2 --activate
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+COPY . .
+EXPOSE 3000
+CMD ["pnpm", "exec", "nodemon", "src/index.js"]

auth/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "auth",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "type": "module",
+  "license": "ISC",
+  "packageManager": "pnpm@10.26.2",
+  "dependencies": {
+    "bcrypt": "^6.0.0",
+    "cookie-parser": "^1.4.7",
+    "express": "^5.2.1",
+    "ioredis": "^5.10.1",
+    "jsonwebtoken": "^9.0.3",
+    "pg": "^8.21.0",
+    "zod": "^4.4.3"
+  },
+  "devDependencies": {
+    "nodemon": "^3.1.14"
+  }
+}

auth/src/core/jwt.js

@@ -0,0 +1,25 @@
+import jwt from 'jsonwebtoken';
+
+/* The secret used for signing and verifying tokens */
+const secret = process.env.AUTH_TOKEN;
+const cookieName = process.env.COOKIE_NAME;
+
+//expires in 1 year
+const ttl_seconds = 60 * 60 * 24 * 365;
+
+export function sign(payload) {
+  return jwt.sign(payload, secret, { expiresIn: ttl_seconds });
+}
+
+export async function verify(token) {
+  return jwt.verify(token, secret);
+}
+
+export const cookieOptions = {
+  httpOnly: true,
+  secure: process.env.NODE_ENV,
+  sameSite: 'lax',
+  path: '/',
+  maxAge: ttl_seconds * 1000,
+};
+

auth/src/core/securitycore.js

@@ -0,0 +1,9 @@
+import bcrypt from "bcrypt";
+
+export async function hash(password) {
+  return bcrypt.hash(password, 12);
+}
+
+export async function verify(password, hash) {
+  return bcrypt.compare(password, hash);
+}

auth/src/data/db.js

@@ -0,0 +1,13 @@
+import pg from 'pg';
+export const pool = new pg.Pool({
+  user: process.env.DB_USER,
+  password: process.env.DB_PASSWORD,
+  host: process.env.DB_HOST,
+  port: process.env.DB_PORT,
+  database: 'data', //default database for user and sessions. Not other database needed,
+  max: 10,
+  idleTimeoutMillis: 30_000
+});
+
+
+export const query = (text, params) => pool.query(text, params);

auth/src/data/redis.js

@@ -0,0 +1,9 @@
+import Redis from 'ioredis';
+
+const client = new Redis({
+  host: process.env.REDIS_HOST,
+  port: process.env.REDIS_PORT,
+  password: process.env.REDIS_PASSWORD,
+});
+
+export { client as redis };

auth/src/index.js

@@ -0,0 +1,35 @@
+import express from 'express';
+import cookieParser from 'cookie-parser';
+
+import { authRouter } from './routes/auth.js';
+
+const app = express();
+app.use(express.json());
+app.use(cookieParser());
+
+app.get('/health', (req, res) => {
+  res.send({
+    status: 'ok',
+    service: 'auth',
+    version: {
+      'major': process.env.V_MAJOR,
+      'minor': process.env.V_MINOR,
+      'patch': process.env.V_PATCH,
+    },
+    timestamp: new Date().toISOString(),
+  });
+});
+
+// Public web pages 
+// app.use('/login', authRouter);
+// app.use('/profile', profileRouter);
+// app.use('/profile/sessions', sessionRouter);
+
+app.use('/api', authRouter);
+// app.use('/api/users', usersRouter);
+// app.use('/api/sessions', sessionRouter);
+// 
+
+app.listen('3000', '0.0.0.0', () => {
+  console.log('Auth started');
+})

auth/src/middleware/auth.js

@@ -0,0 +1,35 @@
+import { verify } from "../core/jwt";
+import { query } from "../data/db";
+import { redis } from '../data/redis';
+
+const cookieName = process.env.COOKIE_NAME;
+
+export async function requireUserAuth(req, res, next) {
+  const token = req.cookies?.[cookieName];
+  if (!token) return res.status(401).json({ message: 'No token' });
+
+  let payload;
+  try {
+    payload = await verify(token);
+  } catch (error) {
+    return res.status(401).json({ message: 'Invalid token' });
+  }
+
+  // Session
+  const { rows } = await query(
+    'select id, user_id, expires_at from sessions where id = $1',
+    [payload.sessionId]
+  );
+  if (!rows[0]) return res.status(401).json({ message: 'Invalid session' });
+
+  await query('update sessions set last_activity = now() where id = $1', [payload.sessionId]).catch(() => { });
+  redis.set(`onlineuser:${payload.sub}`, '1', 'EX', 60).catch(() => { });
+
+  req.user = {
+    id: payload.sub,
+    name: payload.sessionId,
+  }
+  next();
+
+  
+}

auth/src/pages/login.html

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Ciao</title>
+</head>
+<body>
+    <h1>Ciao</h1>
+    <form>
+        
+    </form>
+</body>
+</html>

auth/src/routes/auth.js

@@ -0,0 +1,70 @@
+import { Router } from "express";
+import { query } from "../data/db.js";
+import { hash, verify } from "../core/securitycore.js";
+import { sign, cookieOptions } from "../core/jwt.js";
+import crypto from "crypto";
+import {redis} from "../data/redis.js";
+
+const router = Router();
+const cookieName = process.env.COOKIE_NAME
+
+router.post('/signup', async (req, res) => {
+  const { username, password } = req.body;
+  if (!username || !password) {
+    return res.status(400).json({ message: 'Username and password are required' });
+  }
+
+  const exist = await query('select 1 from users where username = $1', [username]);
+  if (exist.rows.length > 0) {
+    return res.status(400).json({ message: 'Username already exists' });
+  }
+
+  const passwordHash = await hash(password);
+  //TODO: Remove username sending from resposne in prod
+  const { rows } = await query('insert into users (username, password_hash) values ($1, $2) returning id, username', [username, passwordHash]);
+  res.status(201).json(rows[0]);
+});
+
+router.post('/login', async (req, res) => {
+  const { username, password } = req.body;
+  if (!username || !password) {
+    return res.status(400).json({ message: 'Username and password are required' });
+  }
+
+  const { rows } = await query('select id, username, password_hash from users where username = $1', [username]);
+  const user = rows[0];
+  const ok = user ? await verify(password, user.password_hash) : false;
+  if (!ok) {
+    return res.status(400).json({ message: 'Invalid username or password' });
+  }
+
+  const ua = req.headers['user-agent'];
+  const ip = req.headers['x-forwarded-for']?.split(',')[0]?.trim() ?? req.socket.remoteAddress;
+
+  const sessionToken = crypto.randomUUID();
+  const ttlDays = 360;
+
+  const { rows: srow } = await query('insert into sessions (user_id, session_token, device_name, device_os, ip_address, expires_at) values ($1, $2, $3, $4, $5, $6) returning id', [user.id, sessionToken, ua.slice(0, 100), '', ip?.slice(0, 45), ttlDays]);
+  const session_id = srow[0].id;
+  const jtoken = sign({ sub: user.id, session_id });
+
+  await redis.set(`usersession:${session_id}`, user.id, 'EX', ttlDays * 24 * 3600);
+  await redis.set(`online:${user.id}`, '1', 'EX', 60);
+
+  res.cookie(cookieName, jtoken, cookieOptions);
+  res.json({
+    ok: true,
+    user: user.id,
+    session: session_id
+  });
+
+})
+
+router.post('/logout', async (req, res) => {
+  await query('delete from sessions where id = $1', [req.user.sessionID]);
+  await redis.del(`online:${req.user.id}`);
+  res.clearCookie(cookieName);
+  res.json({ loggedOut: true });
+})
+
+export { router as authRouter };