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callback-forwarder

v0.0.5

Published

Forwards callbacks to clients

Readme

What is this

This is a way to create a callback url forwarder for services that uses callback urls. It's similar to ngrok and localtunnel.

You have a server that can connect to your clients through WebSockets. Whenever a request hits the webserver from somewhere else, it checks the clients to see if any are listening for that url.

This was created mostly to test callback urls.

How to run

  • Your own server and domain to run the server part of the code on
  • It's preferred that you're on node 6 and npm 3

Running the server

  1. git clone
  2. npm install
  3. modify config.sample.js
  4. npm run config
  5. npm start

Sample code for client

Goto the Client README to get more details about the api

// create the client first
const client = new Client({
  hostname: 'yourdomain.com',
  port: 80, // or you can do baseUrl: 'http://yourdomain.com:80'
  sharedSecret: 'YOURSECRET'
});

// connect to the server
client.connect();

// create a listener on http://yourdomain.com/test
client.createListener('test', (req, res) => {
  res.status(200); // default is already 200
  res.header('Content-Type', 'text/plain');
  res.end('OK');
})
.then((listener) => {
  // now whenever you hit http://yourdomain.com/test, you
  // will get a status 200 and body of 'OK'
  request.get({
    uri: listener.uri,
  }, function(err, res) {
    // response will be 'OK'
  });
});

Testing

To run tests with internal server, you can do this:

SERVER=true npm test

Run tests with external server from config

run server

Run tests with debug logs

LOGLEVEL=debug npm test