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Add signed cookie warning

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This commit is contained in:
Andrew Godwin 2016-03-28 11:45:24 +01:00
parent bee81ee620
commit 59198ea93e
1 changed files with 7 additions and 1 deletions
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8
channels/sessions.py
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@ -4,6 +4,7 @@ import warnings
from importlib import import_module from importlib import import_module
from django.conf import settings from django.conf import settings
from django.contrib.sessions.backends import signed_cookies
from django.contrib.sessions.backends.base import CreateError from django.contrib.sessions.backends.base import CreateError
from .exceptions import ConsumeLater from .exceptions import ConsumeLater
@ -20,7 +21,9 @@ def session_for_reply_channel(reply_channel):
hashed = hashlib.md5(reply_name.encode("utf8")).hexdigest() hashed = hashlib.md5(reply_name.encode("utf8")).hexdigest()
session_key = "chn" + hashed[:29] session_key = "chn" + hashed[:29]
# Make a session storage # Make a session storage
session_engine = import_module(settings.SESSION_ENGINE) session_engine = import_module(getattr(settings, "CHANNEL_SESSION_ENGINE", settings.SESSION_ENGINE))
if session_engine is signed_cookies:
raise ValueError("You cannot use channels session functionality with signed cookie sessions!")
return session_engine.SessionStore(session_key=session_key) return session_engine.SessionStore(session_key=session_key)
@ -122,6 +125,9 @@ def http_session(func):
If a message does not have a session we can inflate, the "session" attribute If a message does not have a session we can inflate, the "session" attribute
will be None, rather than an empty session you can write to. will be None, rather than an empty session you can write to.
Does not allow a new session to be set; that must be done via a view. This
is only an accessor for any existing session.
""" """
@functools.wraps(func) @functools.wraps(func)
def inner(message, *args, **kwargs): def inner(message, *args, **kwargs):