Fiber with Google OAuth2

This example demonstrates how to implement Google OAuth2 authentication in a Fiber application.

Prerequisites

• Go 1.16 or higher
• Go modules

Setup

1. Clone the repository:

   git clone https://github.com/gofiber/recipes.git
   cd recipes/oauth2-google

2. Install dependencies:

   go mod tidy

3. Obtain OAuth credentials from Google Developers Console.

4. Create a .env file in the root directory and add your Google OAuth credentials:

   GOOGLE_CLIENT_ID=your_client_id
   GOOGLE_CLIENT_SECRET=your_client_secret
   GOOGLE_REDIRECT_URL=http://localhost:3000/api/auth/google/callback

Running the Application

1. Run the application:

   go run main.go

2. The server will start on http://localhost:3000.

Endpoints

Method	URL	Description
GET	/api/	Redirects to Google login URL
GET	/api/auth/google/callback	Handles Google OAuth2 callback and returns user's email

Example Requests

Redirect to Google Login

curl -X GET http://localhost:3000/api/

Google OAuth2 Callback

curl -X GET http://localhost:3000/api/auth/google/callback?state=state&code=code

Packages Used

• Godotenv
• Fiber
• OAuth2