gistfile1.aw

<?php 
    public function getServiceConfiguration() {
        return array(            
            'factories' => array(                
                'my_identity_provider' => function($sm) {
                    $identity = $sm->get('Zend\Authentication\AuthenticationService')->getIdentity();
                    return $identity ? $identity : Entity\Contact::ROLE_GUEST;
                },
            ),
        );
    }