From 94f7e8cacc9980acd90a0d05f7a7c6f05f046876 Mon Sep 17 00:00:00 2001
From: Roman Vlasenko <klavionik@gmail.com>
Date: Wed, 30 Nov 2022 18:46:56 +0300
Subject: [PATCH 1/2] Redirect messages from the exam page to the proctoring
 worker

---
 src/data/messages/handlers.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/data/messages/handlers.js b/src/data/messages/handlers.js
index 21f4969d..0e5c6aa4 100644
--- a/src/data/messages/handlers.js
+++ b/src/data/messages/handlers.js
@@ -1,5 +1,12 @@
 import actionToMessageTypesMap from './constants';
 
+function makeRedirectHandler(worker) {
+  return function handler(e) {
+    const { data, origin } = e
+    worker.postMessage({ data, origin })
+  }
+}
+
 function createWorker(url) {
   const blob = new Blob([`importScripts('${url}');`], { type: 'application/javascript' });
   const blobUrl = window.URL.createObjectURL(blob);
@@ -18,11 +25,14 @@ function workerTimeoutPromise(timeoutMilliseconds) {
 export function workerPromiseForEventNames(eventNames, workerUrl) {
   return (timeout, attemptExternalId) => {
     const proctoringBackendWorker = createWorker(workerUrl);
+    const redirectHandler = makeRedirectHandler(proctoringBackendWorker)
+    window.addEventListener('message', redirectHandler)
     return new Promise((resolve, reject) => {
       const responseHandler = (e) => {
         if (e.data.type === eventNames.successEventName) {
           proctoringBackendWorker.removeEventListener('message', responseHandler);
           proctoringBackendWorker.terminate();
+          window.removeEventListener('message', redirectHandler)
           resolve();
         } else {
           reject(e.data.error);

From 348351d79fb2279703d6a6570da6783cf821debb Mon Sep 17 00:00:00 2001
From: Roman Vlasenko <klavionik@gmail.com>
Date: Fri, 30 Jun 2023 17:37:50 +0500
Subject: [PATCH 2/2] Do not try to verify proctoring application on the course
 page

---
 src/core/OuterExamTimer.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/OuterExamTimer.jsx b/src/core/OuterExamTimer.jsx
index 28188f42..7d0fd679 100644
--- a/src/core/OuterExamTimer.jsx
+++ b/src/core/OuterExamTimer.jsx
@@ -34,7 +34,7 @@ const ExamTimer = ({ courseId }) => {
           submitExam={submitExam}
           expireExamAttempt={expireExam}
           pollExamAttempt={pollAttempt}
-          pingAttempt={pingAttempt}
+          pingAttempt={() => {}}
         />
       )}
       {apiErrorMsg && <ExamAPIError />}