🔐 Spring Boot Authentication System

A Spring Boot web application demonstrating user registration, login, and Google OAuth 2.0 authentication using Spring Security.

🚀 Features

• User registration and login forms
• Google OAuth 2.0 authentication
• Spring Security for secure auth
• Simple HTML/CSS frontend
• Maven-based project structure
• Beginner-friendly implementation

🛠️ Tech Stack

Category	Technologies
Backend	Java, Spring Boot
Security	Spring Security, OAuth 2.0
Frontend	HTML, CSS
Build	Maven

📂 Project Structure

spring-boot-auth/
├── src/
│   └── main/
│       ├── java/           # Spring Boot source code
│       └── resources/      # HTML, CSS, configs
├── pom.xml                # Maven dependencies
├── mvnw / mvnw.cmd        # Maven wrapper
└── README.md              # Documentation

🔐 Authentication Flow

1. Form Login: Register/login with email/password
2. Google OAuth: Authenticate via Google account
3. Spring Security: Handles auth & authorization
4. Redirect: Successful login → secured dashboard

⚙️ Setup Instructions

Prerequisites

• Java 17+
• Maven 3.6+

Run Project

# Clone repository
git clone https://github.com/samruddhi2865/Authapp.git
cd spring-boot-auth

# Start application
mvn spring-boot:run

Visit: http://localhost:8080

Google OAuth Setup:

1. Create Google OAuth credentials at Google Cloud Console
2. Add CLIENT_ID and CLIENT_SECRET to application.properties

🎯 Learning Outcomes

• Spring Boot project structure
• Spring Security authentication
• Google OAuth 2.0 integration
• Frontend-backend connection

🔮 Future Enhancements

• Database user persistence
• Role-based access control
• Bootstrap/React UI
• Logout & session management
• JWT token support

👩‍💻 Author

Samruddhi Kshirsagar
B.Tech CSE (AIML)