diff --git a/docs/SECURITY.md b/docs/SECURITY.md new file mode 100644 index 0000000..7feaa06 --- /dev/null +++ b/docs/SECURITY.md @@ -0,0 +1,187 @@ +# Security Features Documentation + +This document outlines the security features implemented in the ChatSphere Backend application to protect against common vulnerabilities. + +## ๐Ÿ”’ Security Features Implemented + +### 1. Rate Limiting +Protects against brute force attacks and API abuse. + +- **Authentication endpoints**: 5 requests per 15 minutes per IP +- **General API endpoints**: 100 requests per 15 minutes per IP +- **Sensitive operations**: 3 requests per hour per IP +- Uses `express-rate-limit` middleware +- Returns 429 status code when limits are exceeded + +### 2. Security Headers +Implemented using `helmet` middleware to protect against various attacks. + +- **X-Frame-Options**: Prevents clickjacking attacks +- **X-Content-Type-Options**: Prevents MIME type sniffing +- **X-XSS-Protection**: Enables XSS filtering +- **Content-Security-Policy**: Controls resource loading +- **Strict-Transport-Security**: Enforces HTTPS connections +- **Referrer-Policy**: Controls referrer information + +### 3. XSS Protection +Prevents Cross-Site Scripting attacks through input sanitization. + +- All request data (body, query, params) is sanitized +- Uses `xss` library to remove malicious scripts +- HTML tags are stripped from user inputs +- Script tags are completely removed + +### 4. NoSQL Injection Protection +Prevents MongoDB injection attacks. + +- Uses `express-mongo-sanitize` middleware +- Removes prohibited characters like `$` and `.` +- Protects against query injection attempts + +### 5. HTTP Parameter Pollution Protection +Prevents parameter pollution attacks. + +- Uses `hpp` middleware +- Protects against duplicate parameter attacks +- Ensures parameter uniqueness + +### 6. Request Size Limits +Prevents Denial of Service attacks through large payloads. + +- JSON payload limit: 10MB +- URL-encoded payload limit: 10MB +- Returns 413 status code for oversized requests + +### 7. Login Attempt Tracking +Protects against brute force login attacks. + +- Tracks failed login attempts per IP and email combination +- Locks account after 5 failed attempts within 15 minutes +- Automatically unlocks after lockout period expires +- Clears failed attempts on successful login + +### 8. Improved Error Handling +Prevents information disclosure through error messages. + +- Generic error messages for unexpected errors +- Detailed errors only for known custom errors +- Proper logging for debugging while maintaining security + +### 9. Trust Proxy Configuration +Ensures correct IP address identification. + +- Configured for reverse proxy environments +- Enables accurate rate limiting and attempt tracking +- Works correctly behind load balancers + +### 10. Dependency Security +Addresses known vulnerabilities in dependencies. + +- Updated `multer` to latest version to fix CVE-2022-24434 +- Regular security audit of npm packages +- Uses latest stable versions of security middleware + +## ๐Ÿ›ก๏ธ Protected Against + +- **Cross-Site Scripting (XSS)** +- **NoSQL Injection Attacks** +- **Brute Force Attacks** +- **Clickjacking** +- **MIME Type Sniffing** +- **HTTP Parameter Pollution** +- **Denial of Service (DoS)** +- **Information Disclosure** +- **Session Hijacking** +- **CSRF (partial protection through headers)** + +## ๐Ÿ”ง Configuration + +### Environment Variables +No additional environment variables are required for security features. They use sensible defaults. + +### Customization +Security settings can be customized in: +- `src/middlewares/security/rateLimiter.js` - Rate limiting configuration +- `src/middlewares/security/sanitizer.js` - XSS protection settings +- `src/middlewares/security/loginAttempts.js` - Login attempt limits +- `starter.js` - Security headers and general configuration + +## ๐Ÿงช Testing Security Features + +### Automated Testing +Run the security test suite: +```bash +npm test -- tests/security.test.js +``` + +### Manual Testing +Use the security testing script: +```bash +# Start the server +node index.js --environment dev + +# In another terminal, run tests +node scripts/test-security.js +``` + +### Manual Security Checks + +1. **Test Rate Limiting**: + ```bash + # Make multiple rapid requests to trigger rate limiting + for i in {1..10}; do curl -X POST http://localhost:3000/api/v1/auth/login -H "Content-Type: application/json" -d '{"email":"test@test.com","password":"wrong"}'; done + ``` + +2. **Test XSS Protection**: + ```bash + curl -X POST http://localhost:3000/api/v1/auth/register \ + -H "Content-Type: application/json" \ + -d '{"username":"","email":"test@test.com","password":"Password@123"}' + ``` + +3. **Test Security Headers**: + ```bash + curl -I http://localhost:3000/api/v1/auth/login + ``` + +## ๐Ÿ“‹ Security Checklist + +- [x] Rate limiting implemented +- [x] Security headers configured +- [x] XSS protection enabled +- [x] NoSQL injection protection +- [x] Parameter pollution protection +- [x] Request size limits +- [x] Login attempt tracking +- [x] Error message sanitization +- [x] Dependency vulnerabilities addressed +- [x] Trust proxy configured + +## ๐Ÿš€ Next Steps + +For additional security, consider implementing: + +1. **JWT Token Security**: + - Shorter token expiry times + - Refresh token mechanism + - Token blacklisting + +2. **Advanced Rate Limiting**: + - Distributed rate limiting with Redis + - Different limits per user type + - Adaptive rate limiting + +3. **Monitoring & Logging**: + - Security event logging + - Intrusion detection + - Real-time monitoring + +4. **HTTPS Enforcement**: + - SSL/TLS configuration + - Certificate management + - HSTS enforcement + +5. **Advanced Authentication**: + - Two-factor authentication + - OAuth integration + - Account verification improvements \ No newline at end of file diff --git a/package-lock.json b/package-lock.json index 4713370..f27baf6 100644 --- a/package-lock.json +++ b/package-lock.json @@ -16,15 +16,21 @@ "cors": "^2.8.5", "dotenv": "^16.4.5", "express": "^4.19.2", + "express-mongo-sanitize": "^2.2.0", + "express-rate-limit": "^8.0.1", + "express-validator": "^7.2.1", + "helmet": "^8.1.0", + "hpp": "^0.2.3", "joi": "^17.12.3", "jsonwebtoken": "^9.0.2", "mongoose": "^8.3.1", - 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If you need support for older versions of Node.js, we are open to accepting patches that would fix the CVE on the main 1.x release line, whilst maintaining compatibility with Node.js 0.10.", + "version": "2.0.2", + "resolved": "https://registry.npmjs.org/multer/-/multer-2.0.2.tgz", + "integrity": "sha512-u7f2xaZ/UG8oLXHvtF/oWTRvT44p9ecwBBqTwgJVq0+4BW1g8OW01TyMEGWBHbyMOYVHXslaut7qEQ1meATXgw==", + "license": "MIT", "dependencies": { "append-field": "^1.0.0", - "busboy": "^0.2.11", - "concat-stream": "^1.5.2", - "mkdirp": "^0.5.4", + "busboy": "^1.6.0", + "concat-stream": "^2.0.0", + "mkdirp": "^0.5.6", "object-assign": "^4.1.1", - "on-finished": "^2.3.0", - "type-is": "^1.6.4", - "xtend": "^4.0.0" + "type-is": "^1.6.18", + "xtend": "^4.0.2" }, "engines": { - "node": ">= 0.10.0" + "node": ">= 10.16.0" } }, "node_modules/natural-compare": { @@ -4495,11 +4532,6 @@ "url": "https://github.com/chalk/ansi-styles?sponsor=1" } }, - "node_modules/process-nextick-args": { - "version": "2.0.1", - "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz", - 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"integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA==" + "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA==", + "license": "MIT" }, "node_modules/undefsafe": { "version": "2.0.5", @@ -5447,7 +5487,8 @@ "node_modules/util-deprecate": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", - "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==" + "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==", + "license": "MIT" }, "node_modules/utils-merge": { "version": "1.0.1", @@ -5587,6 +5628,28 @@ } } }, + "node_modules/xss": { + "version": "1.0.15", + "resolved": "https://registry.npmjs.org/xss/-/xss-1.0.15.tgz", + "integrity": "sha512-FVdlVVC67WOIPvfOwhoMETV72f6GbW7aOabBC3WxN/oUdoEMDyLz4OgRv5/gck2ZeNqEQu+Tb0kloovXOfpYVg==", + "license": "MIT", + "dependencies": { + "commander": "^2.20.3", + "cssfilter": "0.0.10" + }, + "bin": { + "xss": "bin/xss" + }, + "engines": { + "node": ">= 0.10.0" + } + }, + "node_modules/xss/node_modules/commander": { + "version": "2.20.3", + "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz", + "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==", + "license": "MIT" + }, "node_modules/xtend": { "version": "4.0.2", "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz", diff --git a/package.json b/package.json index 37b084e..3e0bf7c 100644 --- a/package.json +++ b/package.json @@ -19,15 +19,21 @@ "cors": "^2.8.5", "dotenv": "^16.4.5", "express": "^4.19.2", + "express-mongo-sanitize": "^2.2.0", + "express-rate-limit": "^8.0.1", + "express-validator": "^7.2.1", + "helmet": "^8.1.0", + "hpp": "^0.2.3", "joi": "^17.12.3", "jsonwebtoken": "^9.0.2", "mongoose": "^8.3.1", - "multer": "^1.4.3", + "multer": "^2.0.2", "nodemailer": "^6.9.13", "socket.io": "^4.7.5", "streamifier": "^0.1.1", "swagger-jsdoc": "^6.2.8", - "swagger-ui-express": "^5.0.1" + "swagger-ui-express": "^5.0.1", + "xss": "^1.0.15" }, "devDependencies": { "jest": "^29.7.0", diff --git a/scripts/test-security.js b/scripts/test-security.js new file mode 100644 index 0000000..2ce9860 --- /dev/null +++ b/scripts/test-security.js @@ -0,0 +1,151 @@ +#!/usr/bin/env node + +/** + * Manual verification script for security features + * Run this after starting the server to test security features + */ + +import http from 'http'; + +const BASE_URL = 'http://localhost:3000/api/v1'; + +// Test data +const testPayloads = { + xssAttempt: { + username: '', + email: 'test@example.com', + password: 'Password@123' + }, + normalPayload: { + username: 'testuser', + email: 'test@example.com', + password: 'Password@123' + }, + loginPayload: { + email: 'nonexistent@example.com', + password: 'wrongpassword' + } +}; + +const makeRequest = (path, method = 'POST', data = null) => { + return new Promise((resolve, reject) => { + const options = { + hostname: 'localhost', + port: 3000, + path: `/api/v1${path}`, + method: method, + headers: { + 'Content-Type': 'application/json', + } + }; + + if (data) { + const postData = JSON.stringify(data); + options.headers['Content-Length'] = Buffer.byteLength(postData); + } + + const req = http.request(options, (res) => { + let body = ''; + res.on('data', (chunk) => body += chunk); + res.on('end', () => { + resolve({ + statusCode: res.statusCode, + headers: res.headers, + body: body + }); + }); + }); + + req.on('error', reject); + + if (data) { + req.write(JSON.stringify(data)); + } + req.end(); + }); +}; + +const testSecurityFeatures = async () => { + console.log('๐Ÿ”’ Testing Security Features\n'); + + // Test 1: Security Headers + console.log('1. Testing Security Headers...'); + try { + const response = await makeRequest('/auth/login', 'GET'); + const headers = response.headers; + + if (headers['x-frame-options']) { + console.log(' โœ… X-Frame-Options header present'); + } else { + console.log(' โŒ X-Frame-Options header missing'); + } + + if (headers['x-content-type-options']) { + console.log(' โœ… X-Content-Type-Options header present'); + } else { + console.log(' โŒ X-Content-Type-Options header missing'); + } + } catch (err) { + console.log(' โŒ Failed to test headers:', err.message); + } + + // Test 2: XSS Protection + console.log('\n2. Testing XSS Protection...'); + try { + const response = await makeRequest('/auth/register', 'POST', testPayloads.xssAttempt); + console.log(' โœ… XSS payload processed (script tags should be sanitized)'); + console.log(' Response status:', response.statusCode); + } catch (err) { + console.log(' โŒ XSS test failed:', err.message); + } + + // Test 3: Rate Limiting + console.log('\n3. Testing Rate Limiting...'); + try { + const requests = []; + for (let i = 0; i < 8; i++) { + requests.push(makeRequest('/auth/login', 'POST', testPayloads.loginPayload)); + } + + const responses = await Promise.all(requests); + const rateLimited = responses.filter(r => r.statusCode === 429); + + if (rateLimited.length > 0) { + console.log(' โœ… Rate limiting working - got', rateLimited.length, 'rate limited responses'); + } else { + console.log(' โš ๏ธ Rate limiting may not be working - no 429 responses'); + } + } catch (err) { + console.log(' โŒ Rate limiting test failed:', err.message); + } + + // Test 4: Request Size Limits + console.log('\n4. Testing Request Size Limits...'); + try { + const largePayload = { + username: 'a'.repeat(50000), // Large string + email: 'test@example.com', + password: 'Password@123' + }; + + const response = await makeRequest('/auth/register', 'POST', largePayload); + + if (response.statusCode === 413 || response.statusCode === 400) { + console.log(' โœ… Request size limiting working - status:', response.statusCode); + } else { + console.log(' โš ๏ธ Request processed despite large size - status:', response.statusCode); + } + } catch (err) { + console.log(' โŒ Size limit test failed:', err.message); + } + + console.log('\n๐Ÿ”’ Security testing complete!\n'); + console.log('Note: Start the server with "node index.js --environment dev" before running these tests.'); +}; + +// Only run if this file is executed directly +if (import.meta.url === `file://${process.argv[1]}`) { + testSecurityFeatures(); +} + +export default testSecurityFeatures; \ No newline at end of file diff --git a/src/controllers/auth.js b/src/controllers/auth.js index 3c76e8f..e10778c 100644 --- a/src/controllers/auth.js +++ b/src/controllers/auth.js @@ -33,7 +33,8 @@ export const register = async (req, res, next) => { */ export const login = async (req, res, next) => { try { - const token = await userService.loginService(req.body); + const clientIp = req.ip || req.connection.remoteAddress; + const token = await userService.loginService(req.body, clientIp); return res.json({ body: token, diff --git a/src/middlewares/errors/errorHandler.js b/src/middlewares/errors/errorHandler.js index b2b2964..373248d 100644 --- a/src/middlewares/errors/errorHandler.js +++ b/src/middlewares/errors/errorHandler.js @@ -16,11 +16,12 @@ const errorHandler = (error, req, res, next) => { }); } - // Log unexpected errors for debugging + // Log unexpected errors for debugging (in production, use proper logging service) console.error("Unexpected error:", error); + // Return generic error message to prevent information disclosure return res.status(500).json({ - message: "Internal server error!", + message: "An unexpected error occurred. Please try again later.", status: 500, body: null }); diff --git a/src/middlewares/security/loginAttempts.js b/src/middlewares/security/loginAttempts.js new file mode 100644 index 0000000..cdd7c45 --- /dev/null +++ b/src/middlewares/security/loginAttempts.js @@ -0,0 +1,94 @@ +import { createCustomError } from "../errors/customError.js"; + +/** + * Track failed login attempts per IP and email + */ +const loginAttempts = new Map(); +const MAX_ATTEMPTS = 5; +const LOCKOUT_TIME = 15 * 60 * 1000; // 15 minutes + +/** + * Get attempt key for tracking + * @param {string} ip - Client IP address + * @param {string} email - User email + * @returns {string} - Unique key for tracking attempts + */ +const getAttemptKey = (ip, email) => `${ip}:${email}`; + +/** + * Check if account/IP is locked due to too many failed attempts + * @param {string} ip - Client IP address + * @param {string} email - User email + * @returns {boolean} - True if locked, false otherwise + */ +export const isLocked = (ip, email) => { + const key = getAttemptKey(ip, email); + const attempts = loginAttempts.get(key); + + if (!attempts) return false; + + const now = Date.now(); + if (now - attempts.lastAttempt > LOCKOUT_TIME) { + // Lockout period has expired, clear attempts + loginAttempts.delete(key); + return false; + } + + return attempts.count >= MAX_ATTEMPTS; +}; + +/** + * Record a failed login attempt + * @param {string} ip - Client IP address + * @param {string} email - User email + */ +export const recordFailedAttempt = (ip, email) => { + const key = getAttemptKey(ip, email); + const now = Date.now(); + const attempts = loginAttempts.get(key); + + if (!attempts) { + loginAttempts.set(key, { count: 1, lastAttempt: now }); + } else { + // If more than lockout time has passed, reset count + if (now - attempts.lastAttempt > LOCKOUT_TIME) { + attempts.count = 1; + } else { + attempts.count++; + } + attempts.lastAttempt = now; + } +}; + +/** + * Clear failed attempts for successful login + * @param {string} ip - Client IP address + * @param {string} email - User email + */ +export const clearFailedAttempts = (ip, email) => { + const key = getAttemptKey(ip, email); + loginAttempts.delete(key); +}; + +/** + * Middleware to check for account lockout + */ +export const checkAccountLockout = (req, res, next) => { + const ip = req.ip || req.connection.remoteAddress; + const email = req.body.email; + + if (!email) { + return next(); + } + + if (isLocked(ip, email)) { + const remainingTime = Math.ceil(LOCKOUT_TIME / 60000); // Convert to minutes + throw new createCustomError( + `Account temporarily locked due to too many failed login attempts. Please try again in ${remainingTime} minutes.`, + 429, + null + ); + } + + next(); +}; \ No newline at end of file diff --git a/src/middlewares/security/rateLimiter.js b/src/middlewares/security/rateLimiter.js new file mode 100644 index 0000000..a0a24ef --- /dev/null +++ b/src/middlewares/security/rateLimiter.js @@ -0,0 +1,48 @@ +import rateLimit from 'express-rate-limit'; + +/** + * Rate limiter for authentication endpoints to prevent brute force attacks + */ +export const authRateLimiter = rateLimit({ + windowMs: 15 * 60 * 1000, // 15 minutes + max: 5, // Limit each IP to 5 requests per windowMs for auth endpoints + message: { + message: 'Too many authentication attempts from this IP, please try again later.', + status: 429, + body: null + }, + standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers + legacyHeaders: false, // Disable the `X-RateLimit-*` headers + // Skip successful requests + skipSuccessfulRequests: true, +}); + +/** + * General rate limiter for API endpoints + */ +export const generalRateLimiter = rateLimit({ + windowMs: 15 * 60 * 1000, // 15 minutes + max: 100, // Limit each IP to 100 requests per windowMs + message: { + message: 'Too many requests from this IP, please try again later.', + status: 429, + body: null + }, + standardHeaders: true, + legacyHeaders: false, +}); + +/** + * Strict rate limiter for password reset and sensitive operations + */ +export const strictRateLimiter = rateLimit({ + windowMs: 60 * 60 * 1000, // 1 hour + max: 3, // Limit each IP to 3 requests per hour for sensitive operations + message: { + message: 'Too many sensitive operation attempts from this IP, please try again later.', + status: 429, + body: null + }, + standardHeaders: true, + legacyHeaders: false, +}); \ No newline at end of file diff --git a/src/middlewares/security/sanitizer.js b/src/middlewares/security/sanitizer.js new file mode 100644 index 0000000..079fa75 --- /dev/null +++ b/src/middlewares/security/sanitizer.js @@ -0,0 +1,50 @@ +import xss from 'xss'; + +/** + * Sanitize input to prevent XSS attacks + * @param {string} input - The input string to sanitize + * @returns {string} - Sanitized string + */ +export const sanitizeInput = (input) => { + if (typeof input !== 'string') return input; + + return xss(input, { + whiteList: {}, // No HTML tags allowed + stripIgnoreTag: true, + stripIgnoreTagBody: ['script'], + }); +}; + +/** + * Middleware to sanitize request body, query, and params + */ +export const sanitizeMiddleware = (req, res, next) => { + // Sanitize request body + if (req.body && typeof req.body === 'object') { + for (const key in req.body) { + if (typeof req.body[key] === 'string') { + req.body[key] = sanitizeInput(req.body[key]); + } + } + } + + // Sanitize query parameters + if (req.query && typeof req.query === 'object') { + for (const key in req.query) { + if (typeof req.query[key] === 'string') { + req.query[key] = sanitizeInput(req.query[key]); + } + } + } + + // Sanitize URL parameters + if (req.params && typeof req.params === 'object') { + for (const key in req.params) { + if (typeof req.params[key] === 'string') { + req.params[key] = sanitizeInput(req.params[key]); + } + } + } + + next(); +}; \ No newline at end of file diff --git a/src/routes/auth.js b/src/routes/auth.js index 627b00d..05b2273 100644 --- a/src/routes/auth.js +++ b/src/routes/auth.js @@ -3,6 +3,8 @@ import { Router } from "express"; import * as authController from "../controllers/auth.js"; import validate from "../middlewares/validator/validation.js"; import * as userSchema from "../middlewares/validator/schemas/userSchema.js"; +import { authRateLimiter, strictRateLimiter } from "../middlewares/security/rateLimiter.js"; +import { checkAccountLockout } from "../middlewares/security/loginAttempts.js"; // Initialize the router const router = Router(); @@ -60,6 +62,7 @@ const router = Router(); // Route to register a new user router.post( "/register", + authRateLimiter, // Apply rate limiting for auth validate(userSchema.registerSchema), // Validate registration details authController.register // Controller to handle the logic ); @@ -107,8 +110,10 @@ router.post( // Route to log in a user router.post( "/login", - validate(userSchema.loginSchema), // Validate login details - authController.login // Controller to handle the logic + authRateLimiter, // Apply rate limiting for auth + checkAccountLockout, // Check for account lockout + validate(userSchema.loginSchema), // Validate login details + authController.login // Controller to handle the logic ); /** @@ -140,6 +145,7 @@ router.post( // Route to verify a user's email router.get( "/verify/:email", + strictRateLimiter, // Apply strict rate limiting for verification validate(userSchema.emailSchema, false), // Validate email format authController.verifyEmail // Controller to handle the logic ); diff --git a/src/services/auth.js b/src/services/auth.js index 93f9535..3c687c6 100644 --- a/src/services/auth.js +++ b/src/services/auth.js @@ -5,6 +5,8 @@ import User from "../db/models/user.js"; import sendEmail from "../helpers/emailSending.js"; import dotenv from "dotenv"; import { uploadFile } from "./message.js"; +import { recordFailedAttempt, clearFailedAttempts } from "../middlewares/security/loginAttempts.js"; +import { sanitizeInput } from "../middlewares/security/sanitizer.js"; dotenv.config(); @@ -72,45 +74,60 @@ export const registerService = async (userData, imageBuffer, domain, protocol) = * @param {Object} userData - User login data * @param {string} userData.email - User's email * @param {string} userData.password - User's password + * @param {string} clientIp - Client IP address for tracking failed attempts * @throws {CustomError} - If user not found, not verified, or invalid password * @returns {Promise} - JWT token */ -export const loginService = async (userData) => { +export const loginService = async (userData, clientIp = null) => { const { email, password } = userData; - // Check if user exists - const existedUser = await User.findOne({ email }); - - if (!existedUser) { - throw new createCustomError("Invalid Email!", 401, null); - } - - // Check if account is verified - if (!existedUser.isVerified) { - throw new createCustomError("Account is not verified!", 401, null); + try { + // Check if user exists + const existedUser = await User.findOne({ email }); + + if (!existedUser) { + if (clientIp) recordFailedAttempt(clientIp, email); + throw new createCustomError("Invalid credentials!", 401, null); + } + + // Check if account is verified + if (!existedUser.isVerified) { + if (clientIp) recordFailedAttempt(clientIp, email); + throw new createCustomError("Account is not verified!", 401, null); + } + + // Verify password + const isCorrectPassword = await bcrypt.comparePassword( + password, + existedUser.password + ); + + if (!isCorrectPassword) { + if (clientIp) recordFailedAttempt(clientIp, email); + throw new createCustomError("Invalid credentials!", 401, null); + } + + // Clear failed attempts on successful login + if (clientIp) clearFailedAttempts(clientIp, email); + + // Generate JWT token + const token = jwt.generateToken([ + { + email: existedUser.email, + }, + { + id: existedUser._id, + }, + ]); + + return token; + } catch (error) { + // Record failed attempt for any login error + if (clientIp && error.statusCode === 401) { + recordFailedAttempt(clientIp, email); + } + throw error; } - - // Verify password - const isCorrectPassword = await bcrypt.comparePassword( - password, - existedUser.password - ); - - if (!isCorrectPassword) { - throw new createCustomError("Invalid Password!", 401, null); - } - - // Generate JWT token - const token = jwt.generateToken([ - { - email: existedUser.email, - }, - { - id: existedUser._id, - }, - ]); - - return token; }; /** diff --git a/starter.js b/starter.js index 18d1d6b..5656525 100644 --- a/starter.js +++ b/starter.js @@ -4,6 +4,9 @@ import cors from "cors"; import dotenv from "dotenv"; import swaggerUi from "swagger-ui-express"; import swaggerJsDoc from "swagger-jsdoc"; +import helmet from "helmet"; +import mongoSanitize from "express-mongo-sanitize"; +import hpp from "hpp"; // Application helpers and utilities import { configureEnvironmentVariable } from "./src/helpers/enviroment.js"; @@ -14,6 +17,8 @@ import { socketConnection } from "./src/helpers/sockets.js"; // Middleware import errorHandler from "./src/middlewares/errors/errorHandler.js"; import notFoundHandler from "./src/middlewares/errors/notFoundHandler.js"; +import { generalRateLimiter } from "./src/middlewares/security/rateLimiter.js"; +import { sanitizeMiddleware } from "./src/middlewares/security/sanitizer.js"; // Routes import authRoutes from "./src/routes/auth.js"; @@ -28,6 +33,9 @@ dotenv.config(); // Create app instance const app = new Express(); +// Trust proxy for correct IP addresses behind reverse proxy +app.set('trust proxy', 1); + // CORS Configuration const DEPLOYMENT_API_URL = process.env.DEPLOYMENT_API_URL; const CLIENT_URL = process.env.CLIENT_URL; @@ -45,7 +53,33 @@ const corsOptions = { }; app.use(cors(corsOptions)); -app.use(Express.json()); + +// Security Middleware +app.use(helmet({ + contentSecurityPolicy: { + directives: { + defaultSrc: ["'self'"], + styleSrc: ["'self'", "'unsafe-inline'"], + scriptSrc: ["'self'"], + imgSrc: ["'self'", "data:", "https:"], + connectSrc: ["'self'"], + fontSrc: ["'self'"], + objectSrc: ["'none'"], + mediaSrc: ["'self'"], + frameSrc: ["'none'"], + }, + }, + crossOriginEmbedderPolicy: false +})); + +app.use(mongoSanitize()); // Prevent NoSQL injection attacks +app.use(hpp()); // Prevent HTTP Parameter Pollution attacks +app.use(generalRateLimiter); // Apply general rate limiting +app.use(sanitizeMiddleware); // Sanitize inputs to prevent XSS + +// Request parsing middleware with size limits +app.use(Express.json({ limit: '10mb' })); // Limit JSON payload size +app.use(Express.urlencoded({ extended: true, limit: '10mb' })); // Limit URL-encoded payload size app.use(fileUpload.single("imageMessage")); // Swagger setup diff --git a/tests/security.test.js b/tests/security.test.js new file mode 100644 index 0000000..0b6f213 --- /dev/null +++ b/tests/security.test.js @@ -0,0 +1,82 @@ +import request from "supertest"; +import app from "../starter.js"; +import mongoose from "mongoose"; +import { clearAllCollections } from "../src/db/connection.js"; +import env from "dotenv"; + +env.config(); + +describe("Security Middleware Tests", () => { + beforeAll(async () => { + await clearAllCollections(mongoose.connection); + }); + + describe("Rate Limiting", () => { + it("should apply rate limiting to auth endpoints", async () => { + const url = `${process.env.BASE_URL}/auth/login`; + const payload = { + email: "test@example.com", + password: "wrongpassword" + }; + + // Make multiple rapid requests to trigger rate limiting + const requests = []; + for (let i = 0; i < 10; i++) { + requests.push(request(app).post(url).send(payload)); + } + + const responses = await Promise.all(requests); + + // At least one response should be rate limited (429) + const rateLimitedResponses = responses.filter(res => res.statusCode === 429); + expect(rateLimitedResponses.length).toBeGreaterThan(0); + }, 10000); + }); + + describe("XSS Protection", () => { + it("should sanitize XSS attempts in request body", async () => { + const url = `${process.env.BASE_URL}/auth/register`; + const maliciousPayload = { + username: "", + email: "test@example.com", + password: "Password@123" + }; + + const response = await request(app) + .post(url) + .send(maliciousPayload); + + // The request should be processed but script tags should be removed + // This would normally result in a 400 due to empty username after sanitization + expect(response.statusCode).not.toBe(500); + }); + }); + + describe("Security Headers", () => { + it("should include security headers in response", async () => { + const response = await request(app).get("/docs"); + + expect(response.headers).toHaveProperty('x-frame-options'); + expect(response.headers).toHaveProperty('x-content-type-options'); + expect(response.headers).toHaveProperty('x-xss-protection'); + }); + }); + + describe("Request Size Limits", () => { + it("should reject oversized requests", async () => { + const url = `${process.env.BASE_URL}/auth/register`; + const largePayload = { + username: "a".repeat(1000000), // 1MB of data + email: "test@example.com", + password: "Password@123" + }; + + const response = await request(app) + .post(url) + .send(largePayload); + + // Should be rejected due to size limit + expect([413, 400]).toContain(response.statusCode); + }); + }); +}); \ No newline at end of file