Newscoop\GimmeBundle\Controller\UsersController::getUserAccessTokenAction PHP Метод

    public function getUserAccessTokenAction(Request $request, $clientId)
    {
        $response = new Response();
        $session = $this->container->get('session');
        $clientManager = $this->container->get('fos_oauth_server.client_manager.default');
        $client = $clientManager->findClientByPublicId($clientId);
        if (!$client instanceof Client) {
            throw new NotFoundHttpException("Client {$clientId} is not found.");
        }
        $this->container->get('user')->getCurrentUser();
        $redirectUris = $client->getRedirectUris();
        $authUrl = $request->getUriForPath('/oauth/v2/auth');
        $tokenUrl = $request->getUriForPath('/oauth/v2/token');
        // GET to get code
        $authRequest = Request::create($authUrl, 'GET', array('client_id' => $clientId, 'redirect_uri' => $redirectUris[0], 'response_type' => 'code'), $request->cookies->all());
        $kernel = $this->get('http_kernel');
        $codeResponse = $kernel->handle($authRequest);
        $locationHeader = $codeResponse->headers->get('Location');
        $code = substr($locationHeader, strpos($locationHeader, "code=") + 5);
        if ($codeResponse->getStatusCode() !== 302) {
            $codeResponse->setStatusCode(401);
            return $codeResponse;
        }
        //make a GET to get token
        $tokenRequest = Request::create($tokenUrl, 'GET', array("client_id" => $clientId, "client_secret" => $client->getSecret(), "redirect_uri" => $redirectUris[0], "code" => $code, "grant_type" => "authorization_code"));
        $tokenResponse = $kernel->handle($tokenRequest, HttpKernelInterface::SUB_REQUEST);
        return json_decode($tokenResponse->getContent(), true);
    }