🔐 Authentication System

A full-stack authentication system with features including user registration, login, email verification via OTP, password reset, and cookie-based session management.

This project is built using React for the frontend, Node.js and Express.js for the backend, and MongoDB for the database.

🌐 Features

• ✅ User Registration
  Users can create accounts with email and password.

• 🔓 User Login
  Secure login system with credential validation.

• 📧 Email Verification with OTP
  After signup, an OTP is sent to the user's email for email verification.

• 🔁 Password Reset via OTP
  Users can request password reset, verified using an OTP sent to their email.

• 🍪 Cookie-based Authentication
  Session handling is implemented using HTTP cookies.

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🛠️ Tech Stack

Frontend

• React.js with Vite
• Axios (for HTTP requests)
• TailWindCSS (for styling)

Backend

• Node.js
• Express.js
• Nodemailer (for sending OTP emails)
• bcrypt.js (for password hashing)
• cookie-parser

Database

• MongoDB with Mongoose

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📦 Installation & Running the Project

1. Clone the Repository

git clone https://github.com/GlenFonceca/AuthenticationSystem.git
cd AuthenticationSystem

2. Setup Server

cd server
npm install

Add following environmental variables in .env file in the server directory:

MONGODB_URI=your_mongodb_connection_uri
JWT_SECRET=your_jwt_secret_key
NODE_ENV=development

SMTP_USER=your_smtp_username
SMTP_PASS=your_smtp_password
SENDER_EMAIL=youremail@example.com

Run the backend server:

npm run server

3.Setup Client

cd client
npm install
npm run dev

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🚀 Future Enhancements

• 👤 Add user roles (e.g., admin, user)

• 📲 Enable 2FA (Two-Factor Authentication)

• 🧪 Add unit and integration tests

🤝 Contributing

Contributions, issues, and feature requests are welcome! Feel free to fork this repository and submit a pull request.