ibrahimabdalrhman/Simple-Authentication-API-using-JWT-Tokens

This Node.js API with Express.js and MongoDB provides user authentication functionalities including signup, login, and logout. It uses JWT middleware for authentication and follows best practices with input validation using the Express validator library.

Simple-Authentication-using-JWT-Tokens

This repository contains a Node.js application that uses Express and Mongoose to build a simple authentication system that allows users to sign up, login, and logout.

Getting Started

To run this application, follow these steps:

1. Clone the repository
2. Install the required dependencies by running npm install
3. Set up the environment variables required for connecting to MongoDB by creating a .env file with the following fields:

MONGO_USERNAME=<your_mongodb_username>
MONGO_PASSWORD=<your_mongodb_password>
MONGO_DATABASE=<your_mongodb_database>
PORT=<your_preferred_port>

4. Start the server by running npm start

API Endpoints

This application provides the following API endpoints:

• POST /api/v1/auth/signup : allows users to sign up by providing a username, email, and password. Returns a JWT token that is saved in a cookie.
• POST /api/v1/auth/login : allows users to log in by providing their username and password. Returns a JWT token that is saved in a cookie.
• GET /api/v1/auth/logout : logs the user out by clearing the JWT token saved in the cookie.
• GET /page : a sample authenticated route that requires a valid JWT token to access.

Dependencies

This application uses the following dependencies:

• express
• mongoose
• body-parser
• cookie-parser
• express-validator
• jsonwebtoken
• bcrypt
• validator