README.md

Flask Authentication App

This Flask application demonstrates user authentication using JWT tokens. Users can sign up, log in, view protected content, and log out.

Features

• Sign Up: Register new users with a unique username and password.
• Log In: Authenticate users and generate a JWT token stored in a cookie.
• Protected Page: Access a protected page that displays a list of registered users.
• Log Out: Clear the JWT token from the cookie to log out.

Libraries Used

• Flask: Web framework for Python.
• Flask-SQLAlchemy: Flask extension for SQLAlchemy, an SQL toolkit and ORM.
• Werkzeug: Library for password hashing and authentication utilities.
• JWT (JSON Web Tokens): For secure authentication token generation and verification.

Tech Stack

• Python 3.x
• Flask
• Flask-SQLAlchemy
• Werkzeug
• JWT (JSON Web Tokens)
• SQLite

Installation

1. Clone the repository:

   git clone https://github.com/dhairyagothi/50_days_50_web_project.git
   cd 50_days_50_web_project/public/flask_auth_app

2. Install dependencies:

   pip install -r requirements.txt

Configuration

1. Set up your Flask application:
   • Set SECRET_KEY in app.py for JWT token encryption.
   • Configure SQLALCHEMY_DATABASE_URI in app.py for your database.

How to Run Locally

1. Initialize the database:

   python
   from app import db
   db.create_all()
   exit()

2. Run the Flask application:

   python app.py

3. Open your web browser and go to http://localhost:5000 to access the application.

Usage

• Sign Up: Navigate to http://localhost:5000/signup to create a new user account.
• Log In: Navigate to http://localhost:5000/login to log in with your credentials.
• Protected Page: After logging in, you can access http://localhost:5000/protected to view the list of users.
• Log Out: Click on the "Sign Out" button to log out from the application.