rest.js

var http = require('http');

exports.getResponse = function(options, onResult) {
  var req = http.request(options, function(res) {
    var output = '';

    console.log('start grab %s', options.path);

    res.setEncoding('utf-8');

    res.on('data', function(chunk) {
      output += chunk;
    });

    res.on('end', function() {
      onResult(res, output);
    });

    req.end();
  });

  req.on('error', function(err) {
    console.log(err.stack);
  });

  req.end();
};