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import os
import time
def handle_headers(frame, request, response):
headers = []
referrer_policy = request.GET.first(b"referrer-policy")
headers.append((b"referrer-policy", referrer_policy))
preload_url = request.GET.first(b"same-origin-preload-url").decode()
link_header_value = "<{}>; rel=preload; as=script".format(preload_url)
headers.append((b"link", link_header_value))
preload_url = request.GET.first(b"cross-origin-preload-url").decode()
link_header_value = "<{}>; rel=preload; as=script".format(preload_url)
headers.append((b"link", link_header_value))
# Send a 103 response.
early_hints = [(b":status", b"103")]
for header in headers:
early_hints.append(header)
response.writer.write_raw_header_frame(headers=early_hints,
end_headers=True)
# Simulate the response generation is taking time.
time.sleep(0.2)
response.status = 200
response.headers["content-type"] = "text/html"
for (name, value) in headers:
response.headers[name] = value
response.write_status_headers()
def main(request, response):
current_dir = os.path.dirname(os.path.realpath(__file__))
file_path = os.path.join(current_dir, "referrer-policy-test.html")
with open(file_path, "r") as f:
test_content = f.read()
response.writer.write_data(item=test_content, last=True)
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