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def main(request, response):
coop = request.GET.first(b"coop")
coep = request.GET.first(b"coep")
sandbox = request.GET.first(b"sandbox")
if coop != "":
response.headers.set(b"Cross-Origin-Opener-Policy", coop)
if coep != "":
response.headers.set(b"Cross-Origin-Embedder-Policy", coep)
response.headers.set(b"Content-Security-Policy", b"sandbox " + sandbox + b";")
# Open a popup to coop-coep.py with the same parameters (except sandbox)
response.content = b"""
<!doctype html>
<meta charset=utf-8>
<script src="/common/get-host-info.sub.js"></script>
<script src="/html/cross-origin-opener-policy/resources/fully-loaded.js"></script>
<script>
const params = new URL(location).searchParams;
params.delete("sandbox");
const navigate = params.get("navigate");
if (navigate) {
fullyLoaded().then(() => {
self.location = navigate;
});
} else {
window.open(`/html/cross-origin-opener-policy/resources/coop-coep.py?${params}`);
}
</script>
"""