This is now posted in web2py 2.9.3-stable

On Monday, 3 March 2014 09:30:28 UTC-6, Massimo Di Pierro wrote:
>
> There is a solution in trunk which consists of ignoring the user 
> preferences (auth.settings.renew_onlogout) and always reset all session 
> variables (not only those associated to the user) when the user is 
> automatically logged out. I believe this is how most users expect this to 
> work. I will post 2.9.3 as soon as other developers had a chance to review 
> it.
>
> On Monday, 3 March 2014 08:35:40 UTC-6, Massimo Di Pierro wrote:
>>
>> This is a tricky issue.
>>
>> Consider the case of amazon.com, you can add stuff to cart before you 
>> login and after you login it remembers your cart. Even if it logs you out, 
>> you can still add items to your cart. In a sense that information leaks 
>> (although the term leak is not appropriate here) .  web2py works the same.
>>
>> Logically there are two sessions. One is associated to the client (where 
>> you would store the cart) and one is associated to the user (contains user 
>> specific info). In web2py one is stored in session and one in session.auth.
>>
>> So anything that should be reset on logout should be stores in 
>> session.auth and stuff that should not be reset should be in session. 
>> Things have changed at one point and we decided that (unless specified 
>> otherwise in auth.settings.renew_onlogout) the entire session should be 
>> wiped out on logout. The problem is that if the user is automatically 
>> logged out, that happens before the flag auth.settings.renew_onlogout is 
>> set.
>>
>> We are investigating and will have a solution shortly.
>>
>> Massimo
>>
>>
>>
>> On Monday, 3 March 2014 08:26:09 UTC-6, Marin Pranjić wrote:
>>>
>>> Isn't this why session.renew() was added?
>>>
>>>
>>> On Mon, Mar 3, 2014 at 2:29 PM, Massimo Di Pierro <[email protected]
>>> > wrote:
>>>
>>>> I will check and release a patch soon. Please do not discuss possible 
>>>> security issues on this mailing list. Report them to the developers 
>>>> directly.
>>>>
>>>>
>>>> On Monday, 3 March 2014 02:06:05 UTC-6, Kiran Subbaraman wrote:
>>>>>
>>>>> I see this in 2.9.2 too (Just tested with the latest release)
>>>>>
>>>>> On Monday, March 3, 2014 1:25:14 PM UTC+5:30, Kiran Subbaraman wrote:
>>>>>>
>>>>>> Hello, 
>>>>>> I noticed this issue recently related to user session data. 
>>>>>> In my application I store some user specific session data, so that I 
>>>>>> do 
>>>>>> not have to hit the database everytime (now, am also looking at using 
>>>>>> the cache for that, instead of session). 
>>>>>> If userA is logged into the application, and then userA auth session 
>>>>>> expires, a login screen is presented. In case login is performed with 
>>>>>> userB's credentials, the session data from userA is still available, 
>>>>>> and 
>>>>>> is displayed on userB's screen. 
>>>>>>
>>>>>> I have created a minimal app to demonstrate the issue that I see. 
>>>>>> Also 
>>>>>> take a look at the screenshots. Notice the session.userdata 
>>>>>> variable's 
>>>>>> value. 
>>>>>> Tested this on web2py 2.8.2, on Windows 8. 
>>>>>>
>>>>>> This is my controller code: 
>>>>>> @auth.requires_login() 
>>>>>> def index(): 
>>>>>>     ... 
>>>>>>
>>>>>>      if session['userdata'] is None: 
>>>>>>          session.userdata = auth.user.first_name 
>>>>>>
>>>>>> I am suspecting this is an issue / bug. Can anyone confirm? 
>>>>>> This issue does not arise, if the user explicitly logs out of a 
>>>>>> session, 
>>>>>> or the browser window is closed (I have set my browser to clear all 
>>>>>> cookies data when it is closed) 
>>>>>>
>>>>>> -- 
>>>>>>
>>>>>> ________________________________________ 
>>>>>> Kiran Subbaraman 
>>>>>> http://subbaraman.wordpress.com/about/ 
>>>>>>
>>>>>>  -- 
>>>> Resources:
>>>> - http://web2py.com
>>>> - http://web2py.com/book (Documentation)
>>>> - http://github.com/web2py/web2py (Source code)
>>>> - https://code.google.com/p/web2py/issues/list (Report Issues)
>>>> --- 
>>>> You received this message because you are subscribed to the Google 
>>>> Groups "web2py-users" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send 
>>>> an email to [email protected].
>>>> For more options, visit https://groups.google.com/groups/opt_out.
>>>>
>>>
>>>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
--- 
You received this message because you are subscribed to the Google Groups 
"web2py-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.

Reply via email to