<!doctype html>
<html>
<meta charset="utf-8">
<script src="/common/utils.js"></script>
<script>
const uuid = token();
const URL =
    `../resources/redirect.py?` +
    `delay=100&` +
    `location=../resources/stash-put.py?key=${uuid}%26value=on`;

addEventListener('load', () => {
  let p = fetch(URL, {keepalive: true});
  window.parent.postMessage(uuid, '*');
});
</script>
</html>