PTV API Proxy

ptvproxy.js

var Hapi = require('hapi');

var server = module.exports = Hapi.createServer('localhost', 8000);

var credentials = {
  ptv: {
    devid: 'YOUR_PTV_DEVID',
    key: 'YOUR_PTV_KEY'
  }
}

var crypto = require('crypto');
var request = require('request');
var qs = require('qs');

const PTV_API_BASE = 'http://timetableapi.ptv.vic.gov.au';

server.route({
  method: 'GET',
  path: '/{path*}',
  handler: {
    directory: {
      path: './public',
      listing: false,
      index: true
    }
  }
});

server.route({
  method: 'GET',
  path: '/ptv/{path*}',
  handler: function(req, reply) {
    var endpoint = '/v2/' + req.params.path + '?' + qs.stringify({
      devid: credentials.ptv.devid,
      timestamp: (new Date()).toISOString()
    });

    var signature = crypto.createHmac('sha1', credentials.ptv.key).update(endpoint).digest('hex');

    var url = PTV_API_BASE + endpoint + '&' + qs.stringify({ signature: signature.toUpperCase() });

    console.log(url);

    reply(request({ url: url, json: true }));
  }
});

server.start(function() {
  console.log('Server started at', server.info.uri);
});