On 3/03/2011 15:15, Benedict Verheyen wrote:
> Hi,
>
> i have a problem with logging in a user to more than one site.
> SIte A and B are on the same subdomain.
>
> When a user visits site B, he is redirected to site A.
> Site A shows a login screen, checks the credentials with LDAP.
> After a succesful login, the user is redirected back to site B.
>
> However, when I then visit site A, the user is logged out (Anonymous)
> The userdatabase is in the database of site A and site B gets the info
> by using multiple databases and thus getting the info from site A.
>
> As for some more detailed info, site B has a login view.
> From there, I redirect to site A with a return param specified as GET
> parameter to
> this same login view.
> When i get there, i receive the user id, and get the user like this (in the
> backend to authenticate)
>
> user = User.objects.using('central_users').get(pk=key)
>
> where 'central_users' is specified in settings.py:
>
> 'central_users': {
> 'ENGINE': 'django.db.backends.postgresql_psycopg2',
> 'NAME': 'site A',
> 'USER': 'xxx',
> 'PASSWORD': 'xxx',
> 'HOST': 'localhost',
> 'PORT': '',
> }
>
> This finally works but as i said, I then run into problems on site A, the
> user is logged out.
> The user is first logged in, in site A when i check the credentials.
>
> Would this have anything to do with the fact that the user gets logged out
> later?
>
> Trying to log in a user to more than 1 site is more frustrating than i
> thought :)
>
> Regards,
> Benedict
>
Wow, what a pain this is.
I succeeded in making it work but I have to do some more testing to be sure my
solution is ok.
I had to make a User for site B as well and then, the user is logged in, in
site A and B.
Off course, having the same user object in Site B defeats the whole purpose.
I'm not sure I'm happy with the fact that you have to call authenticate before
a call to login.
In the login view of site B, i get the id of the user that is logged in.
So i thought this would work:
user = User.objects.using('central_users').get(pk=key)
login(request, user)
where 'central_users' is set in settings.py to link to the users database of
site A.
Off course, the above doesn't work because of the authenticate so you have to
write a backend.
No probs, you write the backend to get the users from 'central_users' and
return that user.
Simple enough.
Nope, if you do that, the user is logged out of site A.
I have only been able to solve this by creating a new user for site B.
As I said, i'm going to test further but it has been a painful journey.
Cheers,
Benedict
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