django1/django/http/cookie.py

80 lines
2.8 KiB
Python

from __future__ import unicode_literals
import sys
from django.utils import six
from django.utils.encoding import force_str
from django.utils.six.moves import http_cookies
# See ticket #13007, http://bugs.python.org/issue2193 and http://trac.edgewall.org/ticket/2256
_tc = http_cookies.SimpleCookie()
try:
_tc.load(str('foo:bar=1'))
_cookie_allows_colon_in_names = True
except http_cookies.CookieError:
_cookie_allows_colon_in_names = False
# Cookie pickling bug is fixed in Python 2.7.9 and Python 3.4.3+
# http://bugs.python.org/issue22775
cookie_pickles_properly = (
(sys.version_info[:2] == (2, 7) and sys.version_info >= (2, 7, 9)) or
sys.version_info >= (3, 4, 3)
)
if _cookie_allows_colon_in_names and cookie_pickles_properly:
SimpleCookie = http_cookies.SimpleCookie
else:
Morsel = http_cookies.Morsel
class SimpleCookie(http_cookies.SimpleCookie):
if not cookie_pickles_properly:
def __setitem__(self, key, value):
# Apply the fix from http://bugs.python.org/issue22775 where
# it's not fixed in Python itself
if isinstance(value, Morsel):
# allow assignment of constructed Morsels (e.g. for pickling)
dict.__setitem__(self, key, value)
else:
super(SimpleCookie, self).__setitem__(key, value)
if not _cookie_allows_colon_in_names:
def load(self, rawdata):
self.bad_cookies = set()
if six.PY2 and isinstance(rawdata, six.text_type):
rawdata = force_str(rawdata)
super(SimpleCookie, self).load(rawdata)
for key in self.bad_cookies:
del self[key]
# override private __set() method:
# (needed for using our Morsel, and for laxness with CookieError
def _BaseCookie__set(self, key, real_value, coded_value):
key = force_str(key)
try:
M = self.get(key, Morsel())
M.set(key, real_value, coded_value)
dict.__setitem__(self, key, M)
except http_cookies.CookieError:
if not hasattr(self, 'bad_cookies'):
self.bad_cookies = set()
self.bad_cookies.add(key)
dict.__setitem__(self, key, http_cookies.Morsel())
def parse_cookie(cookie):
if cookie == '':
return {}
if not isinstance(cookie, http_cookies.BaseCookie):
try:
c = SimpleCookie()
c.load(cookie)
except http_cookies.CookieError:
# Invalid cookie
return {}
else:
c = cookie
cookiedict = {}
for key in c.keys():
cookiedict[key] = c.get(key).value
return cookiedict