[keycloak-user] RBAC : adding permissions to roles

[Pedro Igor]

On 1/9/2017 11:46:02 AM, Avinash Kundaliya <avinash at avinash.com.np> wrote:
Hi Stian,
Thanks for the prompt response, I have probably read through the guide a
number of times, Its helpful but it takes a while (and some struggle) to
probably understand it and implement in practice.

Is there an example of how to do this simply, or would one have to
create scopes (which is like a permission), policies (one for each role)
and permissions, that would map the role to a scope ?
Pedro Igor: You can create a policy for each role or a single one with the roles you want to enforce before accessing a resource/scope. It really depends on your requirements.


Also, possibly a related question, does role-type policy also take in
account roles that a user gets effectively because of a composite role?
If so, the "Evaluate" page always gives me a Deny. Another approach, If
i add the scope to each policy, then it still gives me a Deny (I tried
setting the strategy to Affirmative, still didn't help).
Pedro Igor: I think we are not handling composite roles. But I think you can achieve a similar behavior you create a single policy with all roles that are allowed to access your protected resource.


Role policies also allow you to mark a specific role as "required" so users must be granted with all required roles and any of the "non-required" roles you defined.

If you want to say, for instance, "Roles A and B Can Perform Action C on Resource D", you can just create:

1) Resource D, Scope C and associated Scope C with Resource D
2) Role Policy for Roles A and B (in this case users with any of these roles are granted) or separated policies for each role if you need to (you may want to reuse the role policy for each role to build other permissions or policies)
3) Create a permission that puts together Resource D + Scope C + Policies. Where the latter is basically the role policies you created.

Does that work for you ?

I hope the description isnt abstract, if so I will try to add
screenshots next time.

Regards,
Avinash


On 1/9/17 19:14, Stian Thorgersen wrote:
> You can either use our authorization services (see
> https://keycloak.gitbooks.io/authorization-services-guide/content/) to
> manage permissions centrally through Keycloak or you can manage it on
> your own within the application.
>
> On 9 January 2017 at 14:19, Avinash Kundaliya
> > wrote:
>
> Hello,
>
> I have a very basic question and am curious how to model this via
> keycloak.
>
> In my application I have some roles. I want to map each role to a
> set of
> permissions so that based on those permissions i can check if the user
> has access to a specific action/resource in my application server.
> (pretty much how classically RBAC is done)
>
> I am curious if there is a defined pattern/way of modeling such a
> behavior in keycloak, or would the best way to do this would be to
> define and map permissions (to roles) in the application (i.e outside
> keycloak). What is the best practice for such a case?
>
> Regards,
> Avinash
> _______________________________________________
> keycloak-user mailing list
> keycloak-user at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/keycloak-user
>
>
>

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