Github request validator for AWS Lambda

Validates a github webhook event is correct. It will check the signature and all releveants headers that should exist.

Development

Install dependecies

yarn install

Tests

yarn test

How to use

The validator will call the lambda callback a response and return false if it fails to verify at any point the github request.

The responses are listed below:

• 401 - No github signature found on request
• 401 - Github signature does not match
• 422 - Not a valid github event

const GithubWebhookValidator = require('lambda-github-webhook-validator');

const validator = GithubWebhookValidator({ secret: aSecret });

module.exports.handler = function(event, context, callback) => {
  if (validator.isSignatureValid(event, callback) {
      // Do work
  }
}