[keycloak-dev] Keycloak integration with mod_auth_openidc broken

[Stefan Schlesinger]

Hi Stian,

is this something which could make it into one of the next 2.5 releases (especially,
because 2.5 should be a version included in redhat, IIRC)?

A working integration with mod_auth_openidc would be essential.

Best,

Stefan.

> On 02 Feb 2017, at 07:10, Stian Thorgersen <sthorger at redhat.com> wrote:
> 
> It should support multi-valued and mapping to a array rather than a comma-separated list.
> 
> On 1 February 2017 at 21:06, Stefan Schlesinger <sts at ono.at> wrote:
> Hello,
> 
> it looks like its currently not possible to use mod_auth_openidc with Keycloak for authorization of legacy applications. The current workaround described by mod_auth_openidc is to use OpenID Connect for authentication and use the apache ldap module for authorization, which is a rather ugly workaround IMHO.
> 
> The problem currently is twofold:
> 
>  1) One can use mod_auth_openidc to verify claims, but it doesn’t come with JSON path support[1], so matching the claims in realm_access.roles isn’t possible, only arrays in a flat JSON tree are supported[2].
> 
>  2) This wouldn’t cause any issues, as Keycloak comes with a User Realm Role mapper, which is able to map roles to a different key (in my example below the key is ‘roles’).
> 
> {
>   "jti": "01667279-a161-47ae-a093-b08643a1b7b5",
>   "exp": 1485977685,
>    …
>   "realm_access": {
>     "roles": [
>       “application_x",
>       “application_y",
>       "uma_authorization",
>     ]
>   },
>   "roles": “[application_x, application_y, uma_authorization]",
> }
> 
> The problem with the mapper is that the value of roles, is served as a string instead of an array and mod_auth_openidc cannot handle this properly[3].
> 
> Btw. the same thing goes for the User Client Role mapper! Which looks like this:
> 
> {
>   "client_role": "[login]”
> }
> 
> An issue for this has already been created: https://issues.jboss.org/browse/KEYCLOAK-4205
> 
> It would be so great to get this fixed in the next release!!
> 
> Best,
> 
> Stefan.
> 
> 
> [1] https://groups.google.com/forum/#!topic/mod_auth_openidc/QOMMYeXt5Jc
> [2] https://github.com/pingidentity/mod_auth_openidc/blob/master/src/authz.c#L85
> [3] https://github.com/pingidentity/mod_auth_openidc/blob/master/src/authz.c#L67
> _______________________________________________
> keycloak-dev mailing list
> keycloak-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/keycloak-dev
>