def main(request, response):
headers = [(b"Content-Type", b"text/html")]
if b"policy" in request.GET:
headers.append((b"Content-Security-Policy", request.GET[b"policy"]))
if b"policy2" in request.GET:
headers.append((b"Content-Security-Policy", request.GET[b"policy2"]))
if b"policy3" in request.GET:
headers.append((b"Content-Security-Policy", request.GET[b"policy3"]))
message = request.GET[b"id"]
return headers, b'''
This page sets given CSP upon itself.
''' % (message)