Authentication Middleware

This is a simple authentication middleware package for Node.js applications.

Installation

You can install this package via npm:

npm install authentication-middleware-sec

Usage

const express = require('express');
const AuthenticationMiddleware = require('authentication-middleware-sec');

// Create an instance of AuthenticationMiddleware
const authMiddleware = new AuthenticationMiddleware();

// Register a new user
authMiddleware.register('john', 'password123');

// Create an Express application
const app = express();

// Use the authentication middleware for protected routes
app.use('/protected-route', authMiddleware.middleware);

// Define protected routes
app.get('/protected-route', (req, res) => {
  res.send('You have accessed a protected route.');
});

// Start the server
const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
  console.log(`Server running on port ${PORT}`);
});

API

register(username: string, password: string): void

Registers a new user with the provided username and password.

authenticate(username: string, password: string): boolean

Authenticates the user with the provided username and password. Returns true if authentication succeeds, false otherwise.

middleware(req: Request, res: Response, next: NextFunction): void

Middleware function to authenticate incoming requests. Checks for username and password in the request headers and validates them using the authenticate method. If authentication succeeds, calls the next function to proceed with the request; otherwise, sends a 401 Unauthorized response.

License

This package is open source and available under the MIT License.