Not sure it required to check if next var is empty or not... If there is no 
next in the url it should log in...:

        if self.is_logged_in():
            if self.get_vars_next() is not None and self.get_vars_next() != 
'':
                redirect(self.get_vars_next())
            else:
                redirect('default', 'index')

So, maybe this could be rewrite like so :


    if self.get_vars_next() is not None and self.get_vars_next() != '' and 
self.is_logged_in():
            redirect(self.get_vars_next())

Richard

Le mercredi 19 août 2015 14:17:41 UTC-4, Richard a écrit :
>
> I had this here and it works... Though, it needs to check if _next var is 
> populated, if not redirect on default/index maybe...
>
> What do you think... I am not well versed in security could this create a 
> security hole?
>
>     def login(
>         self,
>         next=DEFAULT,
>         onvalidation=DEFAULT,
>         onaccept=DEFAULT,
>         log=DEFAULT,
>     ):
>         """
>         returns a login form
>
>         method: Auth.login([next=DEFAULT [, onvalidation=DEFAULT
>             [, onaccept=DEFAULT [, log=DEFAULT]]]])
>
>         """
>         *if self.is_logged_in():*
> *            redirect(self.get_vars_next())*
>
>         table_user = self.table_user()
>         settings = self.settings
>
>
>
>
>
>
> Le mercredi 19 août 2015 14:01:40 UTC-4, Richard a écrit :
>>
>> Nop it only cas_login related...
>>
>> On Wed, Aug 19, 2015 at 2:00 PM, Richard Vézina <
>> [email protected]> wrote:
>>
>>> Is the function that perform the check is : allow_access()??
>>>
>>> On Wed, Aug 19, 2015 at 1:59 PM, Richard Vézina <
>>> [email protected]> wrote:
>>>
>>>> Exactly, I was reading the code figure where the credentials check is 
>>>> perform...
>>>>
>>>> I will try to make a PR, if I can find the right place... I will send 
>>>> here before what I come up with if you want to review...
>>>>
>>>> Richard
>>>>
>>>> On Wed, Aug 19, 2015 at 1:54 PM, Anthony <[email protected]> wrote:
>>>>
>>>>> On Wednesday, August 19, 2015 at 1:20:49 PM UTC-4, Richard wrote:
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I often, fall on this annoying issue... I alway leaves multiple tabs 
>>>>>> all accessing my app open... When the browser get restart, all this tabs 
>>>>>> get redirected to "user/login?_next=..." URL when I have been logged out 
>>>>>> from the system... I found it unpleasant that, if I log in in one of the 
>>>>>> tab, I can't just refresh the other tabs... Reload the page still 
>>>>>> require 
>>>>>> me to input my credentials again or that I remove the 
>>>>>> "user/login?_next=" 
>>>>>> from the URL to avoid log in even if I am logged in...
>>>>>>
>>>>>> I don't know if we could implement something that would make some 
>>>>>> redirection to the next URL component on page reload and how this could 
>>>>>> cause overhead of doing so... But it could make this repetitive task a 
>>>>>> memory if it could be implement easilly...
>>>>>>
>>>>>
>>>>> Maybe early in the Auth.login method, there could be a check to see if 
>>>>> the user is already logged in (i.e., check for the existence of 
>>>>> self.user) 
>>>>> and if there is a _next URL -- in that case, there could just be an 
>>>>> immediate redirect to the _next URL without bothering with the login. 
>>>>> That 
>>>>> way, if you re-login in one tab and then hit refresh in another tab, the 
>>>>> other tab will return to its original page.
>>>>>
>>>>> Anthony
>>>>>  
>>>>>
>>>>>>
>>>>>> Richard
>>>>>>
>>>>> -- 
>>>>> 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/d/optout.
>>>>>
>>>>
>>>>
>>>
>>

-- 
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)
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