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- # -*- coding: utf-8 -*-
-
- import base64
- from Cookie import CookieError, SimpleCookie
- from datetime import datetime, timedelta
- from os import path
-
- class _CookieManager(SimpleCookie):
- MAGIC = "--ets1"
-
- def __init__(self, environ):
- self._path = path.split(environ["PATH_INFO"])[0]
- try:
- super(_CookieManager, self).__init__(environ["HTTP_COOKIE"])
- except (CookieError, KeyError):
- super(_CookieManager, self).__init__()
- for cookie in self.keys():
- if self[cookie].value is False:
- del self[cookie]
-
- def value_decode(self, value):
- unquoted = super(_CookieManager, self).value_decode(value)[0]
- try:
- decoded = base64.b64decode(unquoted).decode("utf8")
- except (TypeError, UnicodeDecodeError):
- return False, "False"
- if decoded.startswith(self.MAGIC):
- return decoded[len(self.MAGIC):], value
- return False, "False"
-
- def value_encode(self, value):
- encoded = base64.b64encode(self.MAGIC + value.encode("utf8"))
- quoted = super(_CookieManager, self).value_encode(encoded)[1]
- return value, quoted
-
- @property
- def path(self):
- return self._path
-
-
- def parse_cookies(environ):
- return _CookieManager(environ)
-
- def set_cookie(headers, cookies, key, value, days=0):
- cookies[key] = value
- if days:
- expires = datetime.utcnow() + timedelta(days=days)
- cookies[key]["expires"] = expires.strftime("%a, %d %b %Y %H:%M:%S GMT")
- cookies[key]["path"] = cookies.path
- headers.append(("Set-Cookie", cookies[key].OutputString()))
-
- def delete_cookie(headers, cookies, key):
- set_cookie(headers, cookies, key, u"", days=-1)
- del cookies[key]
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