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from datetime import datetime, date
from django.conf import settings
from django.http import HttpResponse, HttpResponseRedirect
class LoggedInHintCookieMiddleware(object):
"""Middleware to securely help with 'logged-in' detection for dual HTTP/HTTPS sites.
On insecure requests: Checks for a (non-secure) cookie settings.LOGGED_IN_HINT_COOKIE_NAME
and if present, redirects to HTTPS (same adress).
Note this usually breaks non-GET (POST) requests.
On secure requests: Updates cookie settings.LOGGED_IN_HINT_COOKIE_NAME to reflect
whether an user is logged in in the current session (cookie set to 'True' or cleared).
The cookie is set to expire at the same time as the sessionid cookie.
By default, LOGGED_IN_HINT_COOKIE_NAME = 'logged_in_hint'.
"""
def __init__(self):
if hasattr(settings, 'LOGGED_IN_HINT_COOKIE_NAME'):
self.cookie_name = settings.LOGGED_IN_HINT_COOKIE_NAME
else: self.cookie_name = 'logged_in_hint'
self.cookie_value = 'True'
def cookie_correct(self, request):
return self.cookie_name in request.COOKIES and request.COOKIES[self.cookie_name] == self.cookie_value
def process_request(self, request):
if not request.is_secure():
if self.cookie_correct(request):
# redirect insecure (assuming http) requests with hint cookie to https
url = request.build_absolute_uri()
assert url[:5] == 'http:'
return HttpResponseRedirect('https:' + url[5:])
return None
def process_response(self, request, response):
if request.is_secure():
# assuming full session info (as the conn. is secure)
try:
user = request.user
except AttributeError: # no user - ajax or other special request
return response
if user.is_authenticated():
if not self.cookie_correct(request):
expiry = None if request.session.get_expire_at_browser_close() else request.session.get_expiry_date()
response.set_cookie(self.cookie_name, value=self.cookie_value, expires=expiry, secure=False)
else:
if self.cookie_name in request.COOKIES:
response.delete_cookie(self.cookie_name)
return response
class vzhled:
def process_request(self, request):
return None
def process_view(self, request, view_func, view_args, view_kwargs):
#print "====== process_request ======"
#print view_func
#print view_args
#print view_kwargs
#print "============================="
return None
def process_template_response(self, request, response):
hodin = datetime.now().hour
if (hodin <= 6) or (hodin >= 14): # TODO 20
response.context_data['noc'] = True
else:
response.context_data['noc'] = False
return response
def process_response(self, request, response):
#hodin = datetime.now().hour
#if (hodin <= 6) or (hodin >= 14): # TODO 20
#response.context_data['noc'] = True
#else:
#response.context_data['noc'] = False
return response
##def process_exception(request, exception):
#pass