[issue41945] http.cookies.SimpleCookie.parse error after [keys] or some JSON data values
Jan Novak added the comment:
New examples with the structured data.
Problems are with quotes and spaces inside { or [
cookie-script.com set those cookie data:
CookieScriptConsent={"action":"accept","categories":"[\\"performance\\"]"}
Python loads only cookies before that JSON structure
>>> from http.cookies import SimpleCookie
>>> ck = SimpleCookie()
>>> ck.load('id=12345;
>>> CookieScriptConsent={"action":"accept","categories":"[\\"performance\\"]"};
>>> something="not loaded"')
>>> print(ck)
Set-Cookie: id=12345
This works:
>>> ck.load('id=12345; complex_data={1:[1,2]}; something="loaded"')
>>> print(ck)
Set-Cookie: complex_data={1:[1,2]}
Set-Cookie: id=12345
Set-Cookie: something="loaded"
This not works:
>>> ck.load('id=12345; complex_data={1:[1, 2]}; something="not loaded"')
>>> print(ck)
Set-Cookie: complex_data={1:[1,
Set-Cookie: id=12345
Conclusion:
Parsing JSON like cookie objects works, except quotes and without spaces.
Exist some new RFC with JSON data support?
How implementation/support/solution in diferent languages?
Exist another Python library which support cookie with JSON data?
--
title: http.cookies.SimpleCookie.parse error after [keys] ->
http.cookies.SimpleCookie.parse error after [keys] or some JSON data values
versions: +Python 3.10 -Python 3.7
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[issue41945] http.cookies.SimpleCookie.parse error after [keys]
Jan Novak added the comment:
Possible patch, load parts one by one:
http_cookie = 'id=12345; [object Object]=data; something=not_loaded'
for cookie_key in http_cookie.split(';'):
c.load(cookie_key)
print c
Set-Cookie: id=12345
Set-Cookie: something=not_loaded
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[issue41945] http.cookies.SimpleCookie.parse error after [keys]
New submission from Jan Novak :
If brackets [] are around cookie name,
next cookie names are not loaded.
try:
import http.cookies as Cookie
except ImportError:
import Cookie
c = Cookie.SimpleCookie()
c.load('id=12345; [object Object]=data; something=not loaded')
print(c)
Note:
It could cause big problems with session etc.
We found that Chrome/Edge starts to save and send this type of cookies for some
(couple) users. The origin of that [object Object]=... cookies are probably
some implementation of
https://cookiepedia.co.uk/cookies/euconsent
and errors somewhere in external javascripts or browsers?
Related issues:
https://bugs.python.org/issue41695
https://bugs.python.org/issue27674
The same problem occures in P3.7, P2.7, six.moves.http_cookies etc.
I know RFT says that cookie-name can't use brackets.
But you can set them to browser cookies.
RFC 6265:
set-cookie-header = "Set-Cookie:" SP set-cookie-string
set-cookie-string = cookie-pair *( ";" SP cookie-av )
cookie-pair = cookie-name "=" cookie-value
cookie-name = token
token =
RFC 2616:
token = 1*
separators = "(" | ")" | "<" | ">" | "@"
| "," | ";" | ":" | "\" | <">
| "/" | "[" | "]" | "?" | "="
| "{" | "}" | SP | HT
--
components: Library (Lib)
messages: 378041
nosy: xnovakj
priority: normal
severity: normal
status: open
title: http.cookies.SimpleCookie.parse error after [keys]
type: behavior
versions: Python 3.7
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