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def main(request, response):
expected_referrer = request.GET[b'expected_referrer']
actual_referrer = request.headers.get(b'referer', b'')
if expected_referrer == b'none':
match = actual_referrer == b''
elif expected_referrer == b'origin':
origin = request.GET[b'origin']
match = actual_referrer == origin
elif expected_referrer == b'url':
url = request.GET[b'url']
match = actual_referrer == url
else:
match = False
response.add_required_headers = False
response.writer.write_status(200)
response.writer.write_header(b"access-control-allow-origin", b"*")
response.writer.write_header(b"content-type", b"text/css")
response.writer.write_header(b"cache-control", b"no-cache; must-revalidate")
if match:
body = b"#test { color: green; }"
else:
body = b"#test { color: red; }"
response.writer.write_header(b"content-length", len(body))
response.writer.end_headers()
response.writer.write(body)