python/google/appengine/_internal/django/core/xheaders.py

   1 """
   2 Pages in Django can are served up with custom HTTP headers containing useful
   3 information about those pages -- namely, the content type and object ID.
   4
   5 This module contains utility functions for retrieving and doing interesting
   6 things with these special "X-Headers" (so called because the HTTP spec demands
   7 that custom headers are prefixed with "X-").
   8
   9 Next time you're at slashdot.org, watch out for X-Fry and X-Bender. :)
  10 """
  11
  12 def populate_xheaders(request, response, model, object_id):
  13     """
  14     Adds the "X-Object-Type" and "X-Object-Id" headers to the given
  15     HttpResponse according to the given model and object_id -- but only if the
  16     given HttpRequest object has an IP address within the INTERNAL_IPS setting
  17     or if the request is from a logged in staff member.
  18     """
  19     from google.appengine._internal.django.conf import settings
  20     if (request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS
  21             or (hasattr(request, 'user') and request.user.is_active
  22                 and request.user.is_staff)):
  23         response['X-Object-Type'] = "%s.%s" % (model._meta.app_label, model._meta.object_name.lower())
  24         response['X-Object-Id'] = str(object_id)