Spring Boot OAuth2 Demo

Description:
A Spring Boot project exploring OAuth 2.0 authentication using Spring Security.
Implemented as part of a learning exercise by following a YouTube tutorial.

Features

• GitHub OAuth2 login
• Google OAuth2 login
• Secured and public endpoints
• Environment variable support for client secrets
• Spring Boot 3.5.x compatible

Endpoints

• / → Public endpoint, accessible without login
• /secured → Protected endpoint, requires OAuth2 login

Setup

1. Clone the repository:

git clone https://github.com/hasnain-098/spring-security-oauth2-tutorial
cd spring-security-oauth2-tutorial

2. Create a .env file and add your secrets:

GITHUB_CLIENT_SECRET=your_github_client_secret
GOOGLE_CLIENT_SECRET=your_google_client_secret

3. Run the application:

./mvnw spring-boot:run

4. Open in browser:

• Public: http://localhost:8080/
• Secured: http://localhost:8080/secured → redirects to GitHub/Google login

Notes

• Ensure your OAuth credentials are configured in the Google Cloud Console or GitHub Developer settings.
• For fresh sessions during development, use incognito mode or configure logout properly.

License

This project is for learning purposes only, following the YouTube tutorial:
Youtube Tutorial