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def main(request, response):
headers = [(b"Content-Type", "text/html"),
(b"Cache-Control", b"no-cache")]
if (request.GET.first(b"strip_auth_header", False) and request.method == "OPTIONS" and
b"authorization" in request.headers.get(b"Access-Control-Request-Headers", b"").lower()):
# Auth header should not be sent for preflight after cross-origin redirect.
return 500, headers, "fail"
if b"Origin" in request.headers:
headers.append((b"Access-Control-Allow-Origin", request.headers.get(b"Origin", b"")))
headers.append((b"Access-Control-Allow-Credentials", b"true"))
else:
headers.append((b"Access-Control-Allow-Origin", b"*"))
headers.append((b"Access-Control-Allow-Headers", b'Authorization'))
if b"authorization" in request.headers:
return 200, headers, request.headers.get(b"Authorization")
return 200, headers, "none"
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