django1/django/contrib/sessions/middleware.py

49 lines
2.0 KiB
Python

from django.conf import settings
from django.utils.cache import patch_vary_headers
from email.Utils import formatdate
import datetime
import time
TEST_COOKIE_NAME = 'testcookie'
TEST_COOKIE_VALUE = 'worked'
class SessionMiddleware(object):
def process_request(self, request):
engine = __import__(settings.SESSION_ENGINE, {}, {}, [''])
request.session = engine.SessionStore(request.COOKIES.get(settings.SESSION_COOKIE_NAME, None))
def process_response(self, request, response):
# If request.session was modified, or if response.session was set, save
# those changes and set a session cookie.
try:
accessed = request.session.accessed
modified = request.session.modified
except AttributeError:
pass
else:
if accessed:
patch_vary_headers(response, ('Cookie',))
if modified or settings.SESSION_SAVE_EVERY_REQUEST:
if settings.SESSION_EXPIRE_AT_BROWSER_CLOSE:
max_age = None
expires = None
else:
max_age = settings.SESSION_COOKIE_AGE
rfcdate = formatdate(time.time() + settings.SESSION_COOKIE_AGE)
# Fixed length date must have '-' separation in the format
# DD-MMM-YYYY for compliance with Netscape cookie standard
expires = datetime.datetime.strftime(datetime.datetime.utcnow() + \
datetime.timedelta(seconds=settings.SESSION_COOKIE_AGE), "%a, %d-%b-%Y %H:%M:%S GMT")
# Save the seesion data and refresh the client cookie.
request.session.save()
response.set_cookie(settings.SESSION_COOKIE_NAME,
request.session.session_key, max_age=max_age,
expires=expires, domain=settings.SESSION_COOKIE_DOMAIN,
path=settings.SESSION_COOKIE_PATH,
secure=settings.SESSION_COOKIE_SECURE or None)
return response