def process_response(self, request, response):
"""Convert HttpResponseRedirect to HttpResponse if request is via ajax
to allow ajax request to redirect url
"""
if request.is_ajax() and hasattr(request, 'horizon'):
queued_msgs = request.horizon['async_messages']
if type(response) == http.HttpResponseRedirect:
# Drop our messages back into the session as per usual so they
# don't disappear during the redirect. Not that we explicitly
# use django's messages methods here.
for tag, message, extra_tags in queued_msgs:
getattr(django_messages, tag)(request, message, extra_tags)
if response['location'].startswith(settings.LOGOUT_URL):
redirect_response = http.HttpResponse(status=401)
# This header is used for handling the logout in JS
redirect_response['logout'] = True
if self.logout_reason is not None:
utils.add_logout_reason(
request, redirect_response, self.logout_reason)
else:
redirect_response = http.HttpResponse()
# Use a set while checking if we want a cookie's attributes
# copied
cookie_keys = set(('max_age', 'expires', 'path', 'domain',
'secure', 'httponly', 'logout_reason'))
# Copy cookies from HttpResponseRedirect towards HttpResponse
for cookie_name, cookie in six.iteritems(response.cookies):
cookie_kwargs = dict((
(key, value) for key, value in six.iteritems(cookie)
if key in cookie_keys and value
))
redirect_response.set_cookie(
cookie_name, cookie.value, **cookie_kwargs)
redirect_response['X-Horizon-Location'] = response['location']
return redirect_response
if queued_msgs:
# TODO(gabriel): When we have an async connection to the
# client (e.g. websockets) this should be pushed to the
# socket queue rather than being sent via a header.
# The header method has notable drawbacks (length limits,
# etc.) and is not meant as a long-term solution.
response['X-Horizon-Messages'] = json.dumps(queued_msgs)
return response
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