ZfcRbacAuthenticationIdentityProvider.php

<?php
namespace RacApi\V1\Authentication;

use Zend\Authentication\AuthenticationService;
use ZfcRbac\Exception;
use ZfcRbac\Identity\IdentityProviderInterface;
use Doctrine\ORM\EntityManager;

//use User\Entity\User;

class ZfcRbacAuthenticationIdentityProvider implements IdentityProviderInterface
{
    /**
     * @var AuthenticationService
     */
    protected $authenticationService;

    /**
     *
     * @var EntityManager
     */
    protected $em;


    /**
     * Constructor
     *
     * @param AuthenticationService $authenticationService
     * @param EntityManager $em
     */
    public function __construct(AuthenticationService $authenticationService, EntityManager $em)
    {
        $this->authenticationService = $authenticationService;
        $this->em = $em;
    }

    /**
     * {@inheritDoc}
     */
    public function getIdentity()
    {
        /* @var \ZF\MvcAuth\Identity\AuthenticatedIdentity $identity */
        $identity = $this->authenticationService->getIdentity();
        $oauthIdentity = $identity->getAuthenticationIdentity();
        if($oauthIdentity != null)
        if(array_key_exists('user_id',$oauthIdentity)){
            $userId = $oauthIdentity['user_id'];
            $user = $this->em->getRepository('User\Entity\User')->findOneBy(array('id'=>$userId));
            return $user;
        }
        return null;
    }
}