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<!doctype html>
<body>
<script>
var current_url = window.location.href;
var fetch_url = current_url.substring(0, current_url.lastIndexOf("/")) + '/check-topics-request-header.py'
navigator.serviceWorker.addEventListener('message', e => {
if (e.data.topicsHeader === 'NO_TOPICS_HEADER') {
window.opener.postMessage({testResult: 'Topics fetch initiated from service worker did not include the topics header'}, '*');
} else {
window.opener.postMessage({testResult: 'Topics fetch initiated from service worker included the topics header'}, '*');
}
});
navigator.serviceWorker.controller.postMessage({
fetchUrl: fetch_url
});
</script>
</body>