🍔 FastFood - Auth Lambda

Welcome to the Auth Lambda function for the FastFood App!

Built with Node.js, AWS Lambda, AWS API Gateway, AWS Cognito — this function integrates with the FastFood ordering system providing authenticated access as needed.

📋 Overview

This Lambda function is responsible for:

• Validating user's credentials through WS Cognito
• Returns the JWT token to be used in the request headers through AWS API Gateway

🛠️ Project Structure

fastfood-auth-lambda/ 
├── src/ 
│   ├── exceptions/ 
│   │   └── invalid-parameter.exception.js  
│   │   └── missing-credentials.exception.js  
│   │   └── not-authorized.exception.js  
│   ├── functions/ 
│   │   └── authenticate.js 
│   ├── helpers/ 
│   │   └── error-handler.helper.js 
│   └── services/ 
│       └── authentication.service.js
├── .env.example 
├── package.json 
└── README.md

⚙️ Setup and Configuration

Clone the repository:

   git clone https://github.com/tech-snack-fiap-soat-tech-challenge/fastfood-auth-lambda.git

Install dependencies:

npm install

Configure environment variables:

• COGNITO_REGION: AWS region where the Cognito user pool is located
• COGNITO_CLIENT_ID: The client ID for the Cognito user pool

📝 Usage

The Lambda function accepts HTTP POST requests with a JSON body containing:

{
  "userName": "[email protected]",
  "password": "userPassword"
}

Successful authentication will return a 200 response with a JWT token:

{
  "accessToken": "eyJraWQiOiJ..."
}

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Made with ❤️ by TechSnack — The FastFood App