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"use strict";
function handleRequest(request, response) {
response.setHeader("Content-Type", "html", false);
// Check the params and set the cross-origin-opener policy headers if needed
const query = new URLSearchParams(request.queryString);
if (query.get("crossOriginIsolated") === "true") {
response.setHeader("Cross-Origin-Opener-Policy", "same-origin", false);
}
// We always want the iframe to have a different host from the top-level document.
const iframeHost =
request.host === "example.com" ? "example.org" : "example.com";
const iframeOrigin = `${request.scheme}://${iframeHost}`;
const IFRAME_HTML = `
<!doctype html>
<html>
<head>
<meta charset=utf8>
<script>
globalThis.initialOrientationAngle = screen.orientation.angle;
globalThis.initialOrientationType = screen.orientation.type;
</script>
</head>
<body>
<h1>Iframe</h1>
</body>
</html>`;
const HTML = `
<!doctype html>
<html>
<head>
<script>
globalThis.initialOrientationAngle = screen.orientation.angle;
globalThis.initialOrientationType = screen.orientation.type;
</script>
<meta charset=utf8>
</head>
<body>
<h1>Top-level document</h1>
<iframe src='${iframeOrigin}/document-builder.sjs?html=${encodeURI(
IFRAME_HTML
)}'></iframe>
</body>
</html>`;
response.write(HTML);
}
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