from django import http

from django.utils.cache import patch_response_headers

class ForceCanonicalHostnameMiddleware(object):

    def process_request(self, request):

        """Modified common middleware for Conservancy site

        # Never allow connection to the /admin part of the site without SSL

        if (not request.is_secure) and request.path.startswith('/admin'):

            url = 'https://sfconservancy.org%s' % request.path

            return http.HttpResponseRedirect(url)

        # Check for a redirect based on settings.APPEND_SLASH

        old_url = [host, request.path]

        new_url = old_url[:]

        # Append a slash if append_slash is set and the URL doesn't have a

        # trailing slash or a file extension.

        if settings.APPEND_SLASH and (old_url[1][-1] != '/') and ('.' not in old_url[1].split('/')[-1]):

            new_url[1] = new_url[1] + '/'