AuthSystem 🚀

AuthSystem is a user authentication system built with Spring Boot. It allows users to register, log in, and view a personalized welcome page. The application uses cookies to manage user sessions and PostgreSQL as the database.

Features ✨

• ✅ User registration with validation.
• 🔒 User login with authentication.
• 🎉 Personalized welcome page after login.
• 🍪 Cookies for session management.
• 📱 Responsive UI with Bootstrap.

Project Structure 🗂️

authsystem/
├── src/
│   ├── main/
│   │   ├── java/
│   │   │   ├── com.github.luizstsantos.authsystem/
│   │   │   │   ├── AuthsystemApplication.java       # Main application entry point
│   │   │   │   ├── DataConfiguration.java          # Database configuration
│   │   │   │   ├── controller/
│   │   │   │   │   └── loginController.java        # Handles login, registration, and home routes
│   │   │   │   ├── model/
│   │   │   │   │   └── user.java                   # User entity
│   │   │   │   ├── repository/
│   │   │   │   │   └── UserRepository.java         # Repository for user data
│   │   │   │   ├── service/
│   │   │   │   │   └── CookieService.java          # Utility for managing cookies
│   │   ├── resources/
│   │   │   ├── templates/
│   │   │   │   ├── login.html                      # Login page
│   │   │   │   ├── register.html                   # Registration page
│   │   │   │   └── home.html                       # Welcome page after login
│   │   │   ├── application.properties              # Application configuration
│   │   └── static/                                 # Static assets (if any)
├── pom.xml                                         # Maven configuration
└── README.md                                       # Project documentation

Technologies Used 🛠️

• Java 17: Programming language.
• Spring Boot: Framework for building the application.
  • Spring MVC: For handling web requests.
  • Spring Data JPA: For database interaction.
• PostgreSQL: Relational database for storing user data.
• Thymeleaf: Template engine for rendering HTML views.
• Bootstrap 4: For responsive and modern UI design.
• Jakarta Servlet API: For managing HTTP requests and responses.

Prerequisites 📋

• ☕ Java 17 or higher
• 🛠️ Maven
• 🐘 PostgreSQL

Setup Instructions ⚙️

1. Clone the repository:

   git clone https://github.com/luizstsantos/authsystem.git
   cd authsystem

2. Configure the database:

   • Create a PostgreSQL database named users.
   • Update the DataConfiguration.java file with your database credentials:

        dataSource.setUrl("jdbc:postgresql://localhost:5432/users?serverTimezone=UTC");
        dataSource.setUsername("your_username");
        dataSource.setPassword("your_password");
     

3. Build and run the application:

   mvn spring-boot:run

4. Access the application:

   • Open your browser and go to http://localhost:8080/login.

Endpoints 🌐

• GET /login: Displays the login page.
• POST /login: Authenticates the user and redirects to the home page.
• GET /register: Displays the registration page.
• POST /register: Registers a new user and redirects to the login page.
• GET /home: Displays the personalized welcome page.

Screenshots 📸

Login Page

Registration Page

Sucess Login Page

License 📄

This project is licensed under the MIT License. See the LICENSE file for details.

Author 👤

• Luiz Santos - GitHub Profile