non-secure-to-secure-context-navigation-popup.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

<body>

<script>

const urlParams = new URLSearchParams(location.search);

if (urlParams.get("secure") == "1") {

    let bc = new BroadcastChannel('non-secure-to-secure-context-navigation');

    bc.postMessage(window.opener ? "has_opener" : "does_not_have_opener");

} else

    onload = () => location.href = urlParams.get("next");

</script>

</body>

</html>