Always use same URL for both secure and non-secure CDN requests

Use a scheme-relative URL rather than serving different content to
users based on HTTP or HTTPS. Should prevent mismatched certificate
errors.

Signed-off-by: Dan McGee <dan@archlinux.org>

local_settings.py.example

@@ -53,8 +53,7 @@ SECRET_KEY = '00000000000000000000000000000000000000000000000'
 
 ## CDN settings
 CDN_ENABLED = False
-CDN_PATH = 'http://example.com/path/'
-CDN_PATH_SECURE = 'https://example.com/path/'
-
+# Scheme-relative URL, should work for both http/https
+CDN_PATH = '//example.com/path/'
 
 # vim: set ts=4 sw=4 et:

main/templatetags/cdn.py

@@ -23,12 +23,7 @@ def render(self, context):
         oncdn = getattr(settings, 'CDN_ENABLED', True)
         if not oncdn:
             return ''
-        secure = 'secure' in context and context['secure']
         # if left undefined, same behavior as if CDN is turned off
-        paths = {
-                False: getattr(settings, 'CDN_PATH', ''),
-                True: getattr(settings, 'CDN_PATH_SECURE', ''),
-        }
-        return paths[secure]
+        return getattr(settings, 'CDN_PATH', '')
 
 # vim: set ts=4 sw=4 et: