adarsh-2425/OTP-based-Authentication-System

A simple OTP (One-Time Password) based authentication system built using Node.js, Express, and MongoDB.

OTP based Authentication System

A simple OTP (One-Time Password) based authentication system built using Node.js, Express, and MongoDB.

Features

• User registration with email verification using OTP
• User login with OTP verification
• User profile route with authentication

Setup and Installation

1. Clone the repository:

   git clone https://github.com/adarsh-2425/OTP-based-Authentication-System.git

2. Install dependencies:

   cd OTP-based-Authentication-System
   npm install

2. Configure environment variables:

Create a .env file in the root directory and set the following variables:

MONGODB_URI=your-mongodb-uri

3. Run the application:

npm start

API Endpoints

Registration

• POST auth/registration: Register a new user and verify their email using OTP.

Login

• POST auth/login: Login with OTP verification.

Profile

• GET auth/profile: Get user profile with authentication.

Technologies Used

• Node.js
• Express.js
• MongoDB
• Mongoose
• Nodemailer (for email OTP)
• JWT (JSON Web Tokens)

Usage

1. Register a new user by providing their email. An OTP will be sent to their email for verification. Use the route /verify-otp/registration.

2. Login using the registered email and the OTP received in their email. Use the route /verify-otp/login.

3. Access the profile route (/profile) to get user information. Requires authentication.

Screenshots

1. Registration:

2. Registration OTP:

3. Registration Success:

4. Login:

5. Login OTP:

6. JWT Token:

7. Profile:

License

This project is licensed under the MIT License - see the LICENSE file for details.