def main(request, response): | |
tag = request.GET.first(b"tag", None) | |
match = request.headers.get(b"If-None-Match", None) | |
date = request.GET.first(b"date", b"") | |
modified = request.headers.get(b"If-Modified-Since", None) | |
cors = request.GET.first(b"cors", None) | |
if request.method == u"OPTIONS": | |
response.headers.set(b"Access-Control-Allow-Origin", b"*") | |
response.headers.set(b"Access-Control-Allow-Headers", b"IF-NONE-MATCH") | |
return b"" | |
if tag: | |
response.headers.set(b"ETag", b'"%s"' % tag) | |
elif date: | |
response.headers.set(b"Last-Modified", date) | |
if cors: | |
response.headers.set(b"Access-Control-Allow-Origin", b"*") | |
if ((match is not None and match == tag) or | |
(modified is not None and modified == date)): | |
response.status = (304, b"SUPERCOOL") | |
return b"" | |
else: | |
if not cors: | |
response.headers.set(b"Access-Control-Allow-Origin", b"*") | |
response.headers.set(b"Content-Type", b"text/plain") | |
return b"MAYBE NOT" |