[keycloak-dev] Possible bug in Tomcat8 adapter

[Stian Thorgersen]

By default it returns the UUID for the user. So in Tomcat you are seeing
the default behavior, while on WildFly you are seeing the behavior if
principal-attribute is set to principal-attribute in keycloak.json. See
http://keycloak.github.io/docs/userguide/keycloak-server/html/ch08.html#adapter-config


On 19 May 2016 at 20:07, Marc Savy <marc.savy at redhat.com> wrote:

> Hi All,
>
> I've been setting up apiman's quickstart tomcat8 distro with Keycloak
> (rather than using the inbuilt auth).
>
> I've managed to get everything working swimmingly, with one strange issue:
>
> HttpServletRequest#getRemoteUser()
>
> - On WildFly, this code[1] returns the preferred_username (e.g.
> admin). Expected behaviour.
>
> - On Tomcat8 it return the subject[2] (e.g.
> 5291684c-225a-4b3d-8795-15486feaf2ae)
>
> I think the problem might stem from where the principal is being built:
>
>
> https://github.com/keycloak/keycloak/blob/master/adapters/spi/tomcat-adapter-spi/src/main/java/org/keycloak/adapters/tomcat/GenericPrincipalFactory.java#L39
>
> Are we misusing #getRemoteUser, or is there an error in the adapter?
>
> Regards,
> Marc
>
> [1]
> https://github.com/apiman/apiman/blob/master/manager/ui/war/src/main/java/io/apiman/manager/ui/server/servlets/ConfigurationServlet.java#L105
> [2] 'id' in UI
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