[keycloak-user] Spring Security Adapter working but no Principal

[Sebastien Blanc]

Do you have a sample project shared somewhere to reproduce this ?

On Wed, Apr 4, 2018 at 11:14 AM, Marc Logemann <marc.logemann at gmail.com>
wrote:

> Hi,
>
> i have a weird thing going on. My keycloak Spring Security adapter
> works as expected. But i am unable to retrieve the principal. I am
> requesting a REST service with a valid Bearer Token. In the REST
> controller i want to see the principal via:
>
> Principal userPrincipal = request.getUserPrincipal();
>
> or
>
> Authentication authentication =
> SecurityContextHolder.getContext().getAuthentication();
> String currentPrincipalName = authentication.getName();
>
> But everything is null. Funny thing is, the Keycloak Filter set the
> Authentication correctly but at the end, in my controller, its not
> there anymore.
>
> here is my filter list:
>
> Security filter chain: [
>   WebAsyncManagerIntegrationFilter
>   SecurityContextPersistenceFilter
>   HeaderWriterFilter
>   KeycloakPreAuthActionsFilter
>   LogoutFilter
>   KeycloakAuthenticationProcessingFilter
>   RequestCacheAwareFilter
>   SecurityContextHolderAwareRequestFilter
>   AnonymousAuthenticationFilter
>   SessionManagementFilter
>   ExceptionTranslationFilter
>   FilterSecurityInterceptor
> ]
>
> Has anyone experienced something like this or has an idea?
>
> Thanks
> Marc
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