Monkey Patch XMLHttpRequest -- inject bearer token and verify response

platform/app/public/config/default.js

@@ -1,6 +1,10 @@
 /** @type {AppTypes.Config} */
-
+function sas_get_token() {
+  //implement token here
+  return "kris-check-token-is-here";
+}
 window.config = {
+  sasGetToken: sas_get_token,
   routerBasename: '/',
   // whiteLabeling: {},
   extensions: [],