107 lines
4.3 KiB
Python
107 lines
4.3 KiB
Python
from __future__ import unicode_literals
|
|
import sys
|
|
|
|
from django.utils.encoding import force_str
|
|
from django.utils import six
|
|
from django.utils.six.moves import http_cookies
|
|
|
|
|
|
# Some versions of Python 2.7 and later won't need this encoding bug fix:
|
|
_cookie_encodes_correctly = http_cookies.SimpleCookie().value_encode(';') == (';', '"\\073"')
|
|
# 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_encodes_correctly and _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_encodes_correctly:
|
|
def value_encode(self, val):
|
|
# Some browsers do not support quoted-string from RFC 2109,
|
|
# including some versions of Safari and Internet Explorer.
|
|
# These browsers split on ';', and some versions of Safari
|
|
# are known to split on ', '. Therefore, we encode ';' and ','
|
|
|
|
# SimpleCookie already does the hard work of encoding and decoding.
|
|
# It uses octal sequences like '\\012' for newline etc.
|
|
# and non-ASCII chars. We just make use of this mechanism, to
|
|
# avoid introducing two encoding schemes which would be confusing
|
|
# and especially awkward for javascript.
|
|
|
|
# NB, contrary to Python docs, value_encode returns a tuple containing
|
|
# (real val, encoded_val)
|
|
val, encoded = super(SimpleCookie, self).value_encode(val)
|
|
|
|
encoded = encoded.replace(";", "\\073").replace(",", "\\054")
|
|
# If encoded now contains any quoted chars, we need double quotes
|
|
# around the whole string.
|
|
if "\\" in encoded and not encoded.startswith('"'):
|
|
encoded = '"' + encoded + '"'
|
|
|
|
return val, encoded
|
|
|
|
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
|