Fixed #987 -- Convert relative URI portions into absolute URIs in HTTP Location headers. Based on a patch from SmileyChris.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6164 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/handlers/base.py

@@ -50,6 +50,10 @@ class BaseHandler(object):
 
     def get_response(self, request):
         "Returns an HttpResponse object for the given HttpRequest"
+        response = self._real_get_response(request)
+        return fix_location_header(request, response)
+
+    def _real_get_response(self, request):
         from django.core import exceptions, urlresolvers
         from django.core.mail import mail_admins
         from django.conf import settings
@@ -129,3 +133,16 @@ class BaseHandler(object):
         "Helper function to return the traceback as a string"
         import traceback
         return '\n'.join(traceback.format_exception(*(exc_info or sys.exc_info())))
+
+def fix_location_header(request, response):
+    """
+    Ensure that we always use an absolute URI in any location header in the
+    response. This is required by RFC 2616, section 14.30.
+
+    Code constructing response objects is free to insert relative paths and
+    this function converts them to absolute paths.
+    """
+    if 'Location' in response.headers and http.get_host(request):
+        response['Location'] = request.build_absolute_uri(response['Location'])
+    return response
+