mirror of
https://github.com/morpheus65535/bazarr
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72 lines
3.1 KiB
Python
72 lines
3.1 KiB
Python
import sys
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from ._compat import http_cookies
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# Some versions of Python 2.7 and later won't need this encoding bug fix:
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_cookie_encodes_correctly = http_cookies.SimpleCookie().value_encode(';') == (';', '"\\073"')
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# Cookie pickling bug is fixed in Python 2.7.9 and Python 3.4.3+
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# http://bugs.python.org/issue22775
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cookie_pickles_properly = (
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(sys.version_info[:2] == (2, 7) and sys.version_info >= (2, 7, 9)) or
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sys.version_info >= (3, 4, 3)
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)
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# Add support for the SameSite attribute (obsolete when PY37 is unsupported).
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http_cookies.Morsel._reserved.setdefault('samesite', 'SameSite')
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# Adapted from Django.http.cookies and always enabled the bad_cookies
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# behaviour to cope with any invalid cookie key while keeping around
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# the session.
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class SimpleCookie(http_cookies.SimpleCookie):
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if not cookie_pickles_properly:
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def __setitem__(self, key, value):
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# Apply the fix from http://bugs.python.org/issue22775 where
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# it's not fixed in Python itself
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if isinstance(value, http_cookies.Morsel):
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# allow assignment of constructed Morsels (e.g. for pickling)
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dict.__setitem__(self, key, value)
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else:
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super(SimpleCookie, self).__setitem__(key, value)
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if not _cookie_encodes_correctly:
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def value_encode(self, val):
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# Some browsers do not support quoted-string from RFC 2109,
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# including some versions of Safari and Internet Explorer.
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# These browsers split on ';', and some versions of Safari
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# are known to split on ', '. Therefore, we encode ';' and ','
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# SimpleCookie already does the hard work of encoding and decoding.
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# It uses octal sequences like '\\012' for newline etc.
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# and non-ASCII chars. We just make use of this mechanism, to
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# avoid introducing two encoding schemes which would be confusing
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# and especially awkward for javascript.
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# NB, contrary to Python docs, value_encode returns a tuple containing
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# (real val, encoded_val)
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val, encoded = super(SimpleCookie, self).value_encode(val)
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encoded = encoded.replace(";", "\\073").replace(",", "\\054")
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# If encoded now contains any quoted chars, we need double quotes
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# around the whole string.
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if "\\" in encoded and not encoded.startswith('"'):
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encoded = '"' + encoded + '"'
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return val, encoded
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def load(self, rawdata):
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self.bad_cookies = set()
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super(SimpleCookie, self).load(rawdata)
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for key in self.bad_cookies:
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del self[key]
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# override private __set() method:
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# (needed for using our Morsel, and for laxness with CookieError
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def _BaseCookie__set(self, key, real_value, coded_value):
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try:
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super(SimpleCookie, self)._BaseCookie__set(key, real_value, coded_value)
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except http_cookies.CookieError:
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if not hasattr(self, 'bad_cookies'):
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self.bad_cookies = set()
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self.bad_cookies.add(key)
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dict.__setitem__(self, key, http_cookies.Morsel())
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