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import os
# Returns the content of ./wbn/subresource.wbn if the request has an "Accept"
# header including "application/webbundle;v=b2" type, otherwise returns an
# empty body with status code 400.
def main(request, response):
headers = [
(b"Content-Type", b"application/webbundle"),
(b"X-Content-Type-Options", b"nosniff"),
]
accept_values = request.headers.get(b"accept", b"").split(b",")
if b"application/webbundle;v=b2" in accept_values:
with open(
os.path.join(os.path.dirname(__file__), "./wbn/subresource.wbn"),
"rb",
) as f:
return (200, headers, f.read())
else:
return (400, [], "")