From f2c5a064aa230b7b39134191fe0d359a39b87ee5 Mon Sep 17 00:00:00 2001
From: Calen Pennington <calen.pennington@gmail.com>
Date: Thu, 23 Aug 2012 11:49:23 -0400
Subject: [PATCH] Pull the http or https from the forwarded proto for the
 xqueue callback url

---
 lms/djangoapps/courseware/module_render.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lms/djangoapps/courseware/module_render.py b/lms/djangoapps/courseware/module_render.py
index 51fc5f46c3..da9828fb12 100644
--- a/lms/djangoapps/courseware/module_render.py
+++ b/lms/djangoapps/courseware/module_render.py
@@ -199,7 +199,10 @@ def _get_module(user, request, location, student_module_cache, course_id, positi
                        )
 
     # Fully qualified callback URL for external queueing system
-    xqueue_callback_url  = request.build_absolute_uri('/')[:-1] # Trailing slash provided by reverse
+    xqueue_callback_url = '{proto}://{host}'.format(
+        host=request.get_host(),
+        proto=request.META.get('HTTP_X_FORWARDED_PROTO', 'https' if request.is_secure() else 'http')
+    )
     xqueue_callback_url += reverse('xqueue_callback',
                                   kwargs=dict(course_id=course_id,
                                               userid=str(user.id),