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import json
def main(request, response):
cookies = json.dumps({
key.decode("utf-8"): request.cookies[key].value.decode("utf-8")
for key in request.cookies
})
purpose = request.headers.get("Purpose", b"").decode("utf-8")
sec_purpose = request.headers.get("Sec-Purpose", b"").decode("utf-8")
cookie_count = int(
request.cookies[b"count"].value) if b"count" in request.cookies else 0
response.set_cookie("count", f"{cookie_count+1}",
secure=True, samesite="None")
response.set_cookie(
"type", "prefetch" if sec_purpose.startswith("prefetch") else "navigate")
headers = [(b"Content-Type", b"text/html"), (b"Cache-Control", b"no-store")]
if b"cookieindices" in request.GET:
headers.extend([(b"Vary", b"Cookie"), (b"Cookie-Indices", b"\"vary1\", \"vary2\"")])
content = f'''
<!DOCTYPE html>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="utils.sub.js"></script>
<script>
window.requestHeaders = {{
purpose: "{purpose}",
sec_purpose: "{sec_purpose}"
}};
window.requestCookies = {cookies};
const uuid = new URLSearchParams(location.search).get('uuid');
window.executor = new Executor(uuid);
</script>
'''
return headers, content