You would either share an auth database or use CAS, not both.

On Friday, March 22, 2019 at 9:25:06 AM UTC-4, zm wrote:
>
> In a test environment, I've setup the following:
>
> 1 - Domain Controller Running AD
> 2 - Web2Py CAS Provider
> 3 - Web2Py CAS Consumer
>
> - The provider (#2) is able to get groups from #1, and updates them 
> automatically.  
> - The consumer (3) is using the provider (2) as a CAS provider.  This 
> works fine.
> - The consumer (3) and the provider (2) are sharing an authdb, which I had 
> hoped would give the consumer access to the groups of the provider.
>
> The issue is that when a user logs into the consumer, the consumer adds a 
> new user into auth_user, so every user has two auth_user records.  The 
> first record from the provider is assocaited with groups, while the second 
> is not, as it is coming from the consumer, and has no idea what groups the 
> provider knows about. 
>
> With all that said, I'm hoping there is still a solution.  At a high 
> level, I need to support the following:
> - Authenticate via AD (already done)
> - Get groups from AD (already done)
> - Get groups to all consumers (possible if we skip the provider and just 
> have the consumer connect to AD, but that breaks other functionality)
> - Single sign on to web2py apps (works, but breaks groups as web2py cas 
> doesn't transfer group membership)
>
> The last two items are really the sticking point, I need single sign on 
> *and* groups.  In reviewing the underlying code for cas_auth.py 
> <https://github.com/web2py/web2py/blob/master/gluon/contrib/login_methods/cas_auth.py>,
>  
> I see that it doesn't support passing member_of, which cas2.0 appears to 
> support.  Even if it did support group membership, applying those changes 
> to auth, would be a fairly major change.  Any thoughts on ways to get 
> around these limits?
>

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