def SSLProxyFetch(request, proto, resource):
"""
I have been called with /secure/some/url.stuff
- My primary duty is to listen on a url, and fetch and return the requested
file.
- My secondary duty is to make sure that the file in question is
whitelisted... I'm not exposing a blind web proxy!
But on a production server, I will be listening on SSL and thus provide it.
"""
myURL = proto + '://' + resource
try:
WhiteListedURLs.objects.get(allowed_url = myURL)
except WhiteListedURLs.DoesNotExist:
return HttpResponseForbidden(_('Requested Resource Denied'))
try:
spf = sessionlessProxyFetch(myURL)
except:
# Probably needs a debug flag to raise or log this.
return HttpResponseServerError(_('Unknown problem proxying Resource'))
headers = spf.info().headers
headers_d = dict(
[i.strip().split(': ') for i in headers]
)
if 'Content-Type' in headers_d:
response = HttpResponse(mimetype=headers_d['Content-Type'])
else:
response = HttpResponse()
data = spf.read()
response.write(data)
return response
def fetch(self):
return sessionlessProxyFetch(self.allowed_url)