Auth0でTesselデバイスを認証および認可する

var http = require('https');
var tessel = require('tessel');

tessel.syncClock(function () {

  var device_id = 'tessel-01';
  var password = 'THE TESSEL PASSWORD';

  authenticate(device_id, password, function(e,token){

    if(e) return console.log("Error:" + e);

    getDeviceProfile(token.access_token, function(e, profile){
      console.log("Device profile:");
      console.log(profile);
    });
  });

  function getDeviceProfile(token, done){
    request('{yourDomain}',
          '/userinfo',
          'GET',
          {
          "Content-type": "application/json",
          "Authorization": "Bearer " + token
        },
        null,
        function(e,response){
          if(e) return done(e);
          done(null, JSON.parse(response));
        });
  }

  function authenticate(device_id, password, done)
  {
    request('{yourDomain}',
          '/oauth/ro',
          'POST',
          {
          "Content-type": "application/json",
        },
        JSON.stringify({
            client_id:   '{yourClientId}',
            username:    device_id,
            password:    password,
            connection:  'devices',
            grant_type:  "password",
            scope: 'openid'
          }),
          function(e,response){
            if(e) return done(e);
            done(null, JSON.parse(response));
        });
  }

  function request(host, path, method, headers, body, done){
    var options = {
      hostname: host,
      path: path,
      method: method,
      headers: headers
    };

    var req = http.request(options, function(res) {
      res.setEncoding('utf8');

      var response = "";

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

      res.on('end', function(){
        done(null, response);
        });
    });

    req.on('error', function(e) {
      done(e);
    });

    if( body ) req.write(body);
    req.end();
  }
});