https://github.com/aman1-2/authentication-application-backend

This Node.js project offers robust user authentication and authorization functionalities for web applications. It includes features such as user registration, login, JWT-based authentication, and role-based access control. Utilizing Express.js and MongoDB, the project ensures secure password handling through bcrypt hashing and implements middleware
https://github.com/aman1-2/authentication-application-backend

bcrypt dotenv expressjs javascript jsonwebtoken mongodb mongoose nodejs

Last synced: 2 months ago
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This Node.js project offers robust user authentication and authorization functionalities for web applications. It includes features such as user registration, login, JWT-based authentication, and role-based access control. Utilizing Express.js and MongoDB, the project ensures secure password handling through bcrypt hashing and implements middleware

• Host: GitHub
• URL: https://github.com/aman1-2/authentication-application-backend
• Owner: aman1-2
• License: mit
• Created: 2024-05-04T09:46:13.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2024-05-04T10:36:53.000Z (about 2 years ago)
• Last Synced: 2025-01-25T09:13:01.821Z (over 1 year ago)
• Topics: bcrypt, dotenv, expressjs, javascript, jsonwebtoken, mongodb, mongoose, nodejs
• Language: JavaScript
• Homepage:
• Size: 975 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Authentication-Application-Backend

# Project Description

## Need

In modern web applications, user authentication and authorization are essential components for ensuring security and controlling access to resources. Implementing a robust authentication system is crucial for protecting sensitive user data and preventing unauthorized access. This project addresses the need for a secure and reliable authentication mechanism by providing a Node.js-based solution with features such as user registration, login, JWT authentication, and role-based authorization.

## Overview

This Node.js project implements user authentication and authorization functionalities using Express.js and MongoDB. It provides endpoints for user registration, login, and access control based on user roles.

## Features

- **User Registration:** Users can register by providing their name, email, password, and role. Passwords are securely hashed before storage.

- **User Login:** Registered users can log in using their email and password. Upon successful login, a JWT token is generated for authentication.

- **JWT Authentication:** JSON Web Tokens (JWT) are used for stateless authentication. Tokens are signed with a secret key and verified for each request to protected routes.

- **Role-Based Authorization:** Middleware functions are implemented to restrict access to certain routes based on user roles (e.g., student, admin).

- **Secure Password Handling:** User passwords are hashed using bcrypt before storage to ensure security.

- **Database Connectivity:** The project connects to a MongoDB database using Mongoose for data storage and retrieval.

## Project Structure

- **Config Folder:** Contains configurations for database connection and environment variables.

- **Controllers Folder:** Includes controller functions for user registration and login.

- **Middleware Folder:** Contains middleware functions for authentication and role-based authorization.

- **Models Folder:** Defines the Mongoose schema for the User model.

- **Routes Folder:** Defines routes for user authentication and authorization.

- **Additional Files:**

  - **.env:** Configuration file for environment variables such as the port number, database URL, and JWT secret key.

  - **index.js:** Main entry point of the application, sets up the Express server, defines routes, and establishes a database connection.

## Usage

1. Ensure MongoDB is installed and running.

2. Create a `.env` file with configuration variables.

3. Run `npm install` to install dependencies.

4. Start the server with `npm start`.

5. Access the endpoints for user registration, login, and protected routes as defined in the routes.

## Dependencies

- **Express:** Web application framework for Node.js.

- **Mongoose:** MongoDB object modeling tool for Node.js.

- **bcrypt:** Library for hashing passwords securely.

- **jsonwebtoken:** Library for generating and verifying JSON Web Tokens.

- **dotenv:** Library for loading environment variables from a `.env` file.

## Conclusion

This project provides a robust authentication and authorization system for web applications, ensuring secure access control and user management. It can be easily integrated into various applications requiring user authentication functionalities.

## Preview

**Signup Route ->**

!["The signup route"](./Assets/signup.jpg)





**Login Route ->**

!["The login route"](./Assets/login.jpg)





**Fetching Admin details throw a token ->**

!["The Admin fecting route"](./Assets/admin.jpg)





**Fetching Admin details throw a Bearer token ->**

!["The Admin fecting route"](./Assets/bearer%20token.jpg)