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# -*- coding: utf-8 -*-
# Copyright (C) 1998-2012 by the Free Software Foundation, Inc.
#
# This file is part of HyperKitty.
#
# HyperKitty is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# HyperKitty is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# HyperKitty. If not, see <http://www.gnu.org/licenses/>.
#
# Author: Aamir Khan <syst3m.w0rm@gmail.com>
# Author: Aurelien Bompard <abompard@fedoraproject.org>
#
from django.conf import settings
class PaginationMiddleware(object):
"""
Inserts a variable representing the current page onto the request object if
it exists in either **GET** or **POST** portions of the request.
"""
def process_request(self, request):
try:
request.page = int(request.REQUEST['page'])
except (KeyError, ValueError, TypeError):
request.page = 1
# KittyStore
from threading import local
from django.shortcuts import redirect
from django.core.urlresolvers import reverse
import kittystore
class KittyStoreDjangoMiddleware(object):
"""Django middleware.
Add KittyStore object in environ['kittystore.store']. Each thread contains
own store.
Inspired by http://pypi.python.org/pypi/middlestorm
"""
def __init__(self):
"""Create Django middleware."""
self._local = local()
def process_request(self, request):
if request.path == reverse("error_schemaupgrade"):
return # Display the error page
try:
request.environ['kittystore.store'] = self._local.store
except AttributeError:
try:
store = kittystore.get_store(settings)
except kittystore.SchemaUpgradeNeeded:
return redirect("error_schemaupgrade")
else:
request.environ['kittystore.store'] = \
self._local.__dict__.setdefault('store', store)
def process_response(self, request, response):
if "kittystore.store" in request.environ:
# kittystore.store could be absent on automatic redirects for ex.
request.environ['kittystore.store'].commit()
#request.environ['kittystore.store'].close()
return response
def process_exception(self, request, exception):
request.environ['kittystore.store'].rollback()
# http://stackoverflow.com/questions/2799450/django-https-for-just-login-page
from django.http import HttpResponsePermanentRedirect
SSL = 'SSL'
class SSLRedirect(object):
def process_view(self, request, view_func, view_args, view_kwargs):
secure = view_kwargs.pop(SSL, False)
if request.user.is_authenticated():
secure = True
if not settings.USE_SSL: # User-disabled (e.g: development server)
secure = False
if not secure == self._is_secure(request):
return self._redirect(request, secure)
def _is_secure(self, request):
if request.is_secure():
return True
#Handle the Webfaction case until this gets resolved in the request.is_secure()
if 'HTTP_X_FORWARDED_SSL' in request.META:
return request.META['HTTP_X_FORWARDED_SSL'] == 'on'
return False
def _redirect(self, request, secure):
protocol = secure and "https" or "http"
newurl = "%s://%s%s" % (protocol, request.get_host(), request.get_full_path())
if settings.DEBUG and request.method == 'POST':
raise RuntimeError, \
"""Django can't perform a SSL redirect while maintaining POST data.
Please structure your views so that redirects only occur during GETs."""
return HttpResponsePermanentRedirect(newurl)
# https://docs.djangoproject.com/en/dev/topics/i18n/timezones/
from django.utils import timezone
from django.core.exceptions import ObjectDoesNotExist
from hyperkitty.models import UserProfile
class TimezoneMiddleware(object):
def process_request(self, request):
if not request.user.is_authenticated():
return
try:
user_profile = request.user.get_profile()
except ObjectDoesNotExist:
return
if user_profile.timezone:
timezone.activate(user_profile.timezone)
# Cache some metadata from Mailman about the logged in user
from mailmanclient import Client as MailmanClient
from mailmanclient import MailmanConnectionError
class MailmanUserMetadata(object):
session_key = "subscribed"
def process_view(self, request, view_func, view_args, view_kwargs):
if not request.user.is_authenticated():
return
if not request.user.email:
return # Can this really happen?
if self.session_key in request.session:
return # Already set
client = MailmanClient('%s/3.0' %
settings.MAILMAN_REST_SERVER,
settings.MAILMAN_API_USER,
settings.MAILMAN_API_PASS)
try:
user = client.get_user(request.user.email)
except MailmanConnectionError:
return
request.session[self.session_key] = \
[ s.address for s in user.subscriptions ]
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