Session Keep alive on 3rd Party

session-refresh.js

// Function runs on an interval as the user is using the 3rd party site

function() {
  return function() {

    var xhr = new XMLHttpRequest();
    xhr.onreadystatechange = function() {
      console.debug('Refresh token response', xhr);

      if (xhr.status >= 200 && xhr.status < 300) return;
      console.warn('Failed to refresh of token');
    };
  
    /**
    * Refreshes cookie token
    * @param {url} string containing the URL of the Account Management Session refresh endpoint
    */
    function refreshToken(url) {
      if (!url) throw new Exception('[WTW:IM] token refresh Url missing');

      xhr.open('GET', url);
      xhr.setRequestHeader('Content-Type', 'application/json');
      xhr.withCredentials = true;
      xhr.send();
    }

    refreshToken('https://app.viabenefits.com/account/session-refresh');
  }
}