src/main/java/org/keycloak/protocol/cas/endpoints/ServiceValidateEndpoint.java

@@ -27,19 +27,7 @@
    @Override
    protected Response successResponse() {
        UserSessionModel userSession = clientSession.getUserSession();
        // CAS protocol does not support scopes, so pass null scopeParam
        ClientSessionContext clientSessionCtx = DefaultClientSessionContext.fromClientSessionAndScopeParameter(clientSession, null);

        Set<ProtocolMapperModel> mappings = clientSessionCtx.getProtocolMappers();
        KeycloakSessionFactory sessionFactory = session.getKeycloakSessionFactory();
        Map<String, Object> attributes = new HashMap<>();
        for (ProtocolMapperModel mapping : mappings) {
            ProtocolMapper mapper = (ProtocolMapper) sessionFactory.getProviderFactory(ProtocolMapper.class, mapping.getProtocolMapper());
            if (mapper instanceof CASAttributeMapper) {
                ((CASAttributeMapper) mapper).setAttribute(attributes, mapping, userSession);
            }
        }

        Map<String, Object> attributes = getUserAttributes();
        CASServiceResponse serviceResponse = ServiceResponseHelper.createSuccess(userSession.getUser().getUsername(), attributes);
        return prepare(Response.Status.OK, serviceResponse);
    }