auth-go

This is a Go-based web application that provides user authentication and management services. It uses the Gin framework for routing and handling HTTP requests, and PostgreSQL for the database.

Features

• User Authentication:
  • Register new users
  • Login with email and password
  • Logout
  • Password reset
  • Email verification
• OAuth 2.0:
  • Login with third-party providers (e.g., Google, Github)
• User Management:
  • Get user information
  • Update user information
  • Delete users
• JWT Support:
  • Uses JSON Web Tokens for secure API authentication

Getting Started

Prerequisites

• Go 1.16+
• PostgreSQL
• Git

Installation

1. Clone the repository:

   git clone https://github.com/Jonathan0823/auth-go.git

2. Install dependencies:

   go mod tidy

3. Set up the database:
   • Create a PostgreSQL database
   • Set the environment variables in a .env file (see Configuration section)
4. Run the application:

   go run main.go

Usage

The application exposes a RESTful API for user authentication and management.

API Endpoints

• POST /api/auth/register: Register a new user
• POST /api/auth/login: Login with email and password
• POST /api/auth/logout: Logout the current user
• POST /api/auth/refresh: Refresh the JWT token
• POST /api/auth/forgot-password: Request a password reset
• POST /api/auth/reset-password: Reset the password
• GET /api/auth/verify/email: Verify the user's email
• POST /api/auth/verify/email/resend: Resend the email verification link
• GET /api/auth/:provider: Initiate OAuth 2.0 login with a provider
• GET /api/auth/:provider/callback: Handle the OAuth 2.0 callback
• GET /api/user/me: Get the current user's information
• GET /api/user/:id: Get user information by ID
• GET /api/user/get-all: Get all users
• GET /api/user/email: Get user information by email
• PATCH /api/user/update: Update the current user's information
• DELETE /api/user/delete/:id: Delete a user by ID

Configuration

The application is configured using environment variables. Create a .env file in the root of the project with the following variables:

DB_HOST=localhost
DB_PORT=5432
DB_USER=your_db_user
DB_PASSWORD=your_db_password
DB_NAME=your_db_name
DB_SSL=disable

PORT=8080

JWT_ACCESS_SECRET=your_jwt_access_secret
JWT_REFRESH_SECRET=your_jwt_refresh_secret

ALLOWED_ORIGINS=http://localhost:3000

EMAIL=your_email_service
PASSWORD=your_email_password

GITHUB_CLIENT_ID=your_github_client_id
GITHUB_CLIENT_SECRET=your_gihub_client_secret

GOOGLE_CLIENT_ID=your_google_client_id
GOOGLE_CLIENT_SECRET=your_google_client-secret
BASE_URL=http://localhost:8080

SESSION_SECRET=your_session_secret
ENVIRONMENT=development

Dependencies

• Gin: HTTP web framework
• pq: PostgreSQL driver
• jwt-go: JSON Web Token implementation
• goth: OAuth 2.0 library
• godotenv: Environment variable loader
• validator: Input validation
• sessions: Session management
• gomail: Email sending

License

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