login-api

Login API in Golang

This project is a sample implementation of a login API in Golang, using Echo and JWT, and GORM as the database.

Features

• User registration (sign up)
• User authentication (sign in)
• User logout (sign out)
• JWT-based authentication

Project Structure

rbac-api/
├── main.go
├── db/
│ └── db.go
├── handlers/
│ └── auth.go
├── models/
│ └── user.go
└── utils/
└── jwt.go

Installation

1. Clone the repository:

git clone https://github.com/aleksanderpalamar/login-api.git
cd login-api

1. Install the dependencies: go mod download
2. Build the application: go build
3. Run the applications: ./main

Running the Application

To start the application, run:

go run main.go

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

API Endpoints

• Sign Up
• URL: /signup
• Method: POST
• Request Body:

{
  "username": "testuser",
  "password": "testpass",
  "role": "user"
}

• Response:

{
  "message": "User created successfully"
}

Sign Out

• URL: /signout
• Method: POST
• Response:

{
  "message": "signed out"
}

Utility Functions

JWT Utility The JWT utility provides functions for generating and validating JWT tokens.

GenerateJWT Generates a JWT token for a given username.

func GenerateToken(username, password string) (string, error)

ValidateJWT Validates a given JWT token.

func ValidateJWT(tokenString string) (*Claims, error)

Dependencies

Echo - High performance, minimalist Go web framework JWT - JWT (JSON Web Tokens) implementation in Golang

License

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

Credits

• Developer by Aleksander Palamar