[jira] Commented: (GERONIMO-454) Support Group Name = Role Name Role Mapping

["Aaron Mulder (JIRA)" <de...@geronimo.apache.org>]

     [ http://nagoya.apache.org/jira/browse/GERONIMO-454?page=comments#action_55779 ]
     
Aaron Mulder commented on GERONIMO-454:
---------------------------------------

The latest thought is that it should look more like this:

<automatic-role-mapping login-domain="foo">*
  <principal-class>foo.GroupPrincipal</principal-class>*
</automatic-role-mapping>

Since the server needs a login domain in order to construct the RealmPrincipals to use for role mapping.  The principal-class is still optional because the realm can be configured to know what principal classes to automap for each login domain by default (for example, if a LoginModule implements DeploymentSupport, or the analogous property is manually set on the realm).

> Support Group Name = Role Name Role Mapping
> -------------------------------------------
>
>          Key: GERONIMO-454
>          URL: http://nagoya.apache.org/jira/browse/GERONIMO-454
>      Project: Apache Geronimo
>         Type: Improvement
>   Components: deployment, security
>     Versions: 1.0-M2
>     Reporter: Aaron Mulder
>     Assignee: Alan Cabrera

>
> Currently, you must manually map principals to roles in the security component of a deployment descriptor.  In the common case where group names match role names, this seems like unnecessary overhead.
> Alan and I talked and our plan is to make the role-mapping parts of the security elements look something like this:
> <security>
>   ...
>   <automatic-role-mapping>?
>     <principal-class>foo.GroupPrincipal</principal-class>*
>   </automatic-role-mapping>
>   <role-mapping>?
>     ...
>   </role-mapping>
> </security>
> The automatic-role-mapping is the new bit.  If you specify that element empty, it would map every principal type the security realm considers to be a group to roles.  For example, if you configure the seucrity realm to consider the principal class "foo.GroupPrincipal" as a role, and use an empty automatic-role-mapping element, that's what you'd get.  You can also manually specify one or more principal classes that should be automatically mapped to roles.  In any of these cases, the "automatic" mapping is done based on the role name and group name matching.
> If you specify automatic mapping *and* individual role mapping, then the user just needs to qualify for the role based on either one or the other (not both).  So you could use a manual role mapping to add eligible users on top of the automatic role mapping, but not to subtract users from the automatic role mapping.

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