Meteor Duo iFrame Template js

auth_frame.js

//basic function to process the response from Duo and route to another page. Param will be the HTML form component. 
const processSubmit = function(form) {
  // check to ensure correct parameter format
  check(form, Match.Where(x => {
    return x.nodeName === 'FORM';
  }));
  // get the input component from the form
  const responseInput = form.elements.namedItem("sig_response");
  // get the value of the input
  const sig_response = responseInput && responseInput.value;

  if (sig_response) {
    // send the sign response to the server to process
    Meteor.call('processDuoResponse', sig_response, (err, res) => {
      if (err) {
        console.log('err in processDuoResponse callback', err);
      } 
      if (res) {
        // if successful log a message and route to another page.
        console.log('success login from duo');
        FlowRouter.go('/app/main'); // replace with valid url to redirect to.
      }
    });
  }
};

Template.loginAuthFrame.onRendered(function() {
  // verify Duo is available on client
  if (lo_.isObject(Duo)) {
    // generate a sign request for the user on the server
    Meteor.call('duoSignReq', (err, res) => {
      if (err) {
        console.log('err in duoSignReq callback', err);
      }
      if (res) {
        // initialize the Duo iframe with signed request, this will load the auth options for the specific user.
        Duo.init({
          host: 'YOUR-API-HOSTNAME.duosecurity.com', //replace with your proper Duo api hostname from the Duo Application settings
          sig_request: res,
          submit_callback: processSubmit
        });
      }
    });
  }
});