Configure the endpoints for three-legged oauth with Xero

gistfile1.js

// this is the user-accessed resource that initiates the authentication with xero.
// the user will eventually be redirected to Xero's authorize page
server.route({
  method: 'GET',
  path: '/authenticate',
  handler: function(request, reply) {
    XeroClient.requestXeroRequestToken(request, reply);
  }
});

// this is the xero-accessed resource that provides details of the request token
// this route is specified by the oauth_callback_url
server.route({
  method: 'GET',
  path: '/callback',
  handler: function(request, reply) {
    XeroClient.requestXeroAccessToken(request, reply);
  }
});