<html>
<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">
<body>
<script src="/common/utils.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script>
var id = self.token();
var hostInfo = get_host_info();
var beaconURL = "http://" + hostInfo.ORIGINAL_HOST + ":" + hostInfo.HTTPS_PORT + "/beacon/resources/beacon-preflight.py?allowCors=1&cmd=put&id=" + id;

function sendBeacon()
{
    return navigator.sendBeacon(beaconURL, "test");
}

function sendRedirectedBeacon()
{
    return navigator.sendBeacon("redirect.py?redirect_status=307&location=" + beaconURL, "test");
}

function waitFor(test, duration)
{
    return new Promise((resolve) => test.step_timeout(resolve, duration));
}

async function checkBeaconURL(test)
{
    var checkURL = "beacon-preflight.py?cmd=get&id=" + id;
    var counter = 0;
    while (++counter < 20) {
        let response = await fetch(checkURL);
        let body = await response.json();
        if (body.url)
            return body.url.startsWith('https://');
        await waitFor(test, 50);
    }
}
</script>

</body>
</html>