src/AppBundle/Controller/CommonController.php

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<?php

namespace AppBundle\Controller;

use Biz\User\CurrentUser;
use Endroid\QrCode\QrCode;
use Biz\User\Service\UserService;
use Biz\User\Service\TokenService;
use Biz\System\Service\SettingService;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

class CommonController extends BaseController
{
    public function qrcodeAction(Request $request)
    {
        $text = $request->get('text');
        $qrCode = new QrCode();
        $qrCode->setText($text);
        $qrCode->setSize(250);
        $qrCode->setPadding(10);
        $img = $qrCode->get('png');

        $headers = array(
            'Content-Type' => 'image/png',
            'Content-Disposition' => 'inline; filename="qrcode.png"',
        );

        return new Response($img, 200, $headers);
    }

    public function parseQrcodeAction(Request $request, $token)
    {
        $token = $this->getTokenService()->verifyToken('qrcode', $token);
        if (empty($token) || !isset($token['data']['url'])) {
            $content = $this->renderView('default/message.html.twig', array(
                'type' => 'error',
                'goto' => $this->generateUrl('homepage', array(), true),
                'duration' => 1,
                'message' => '二维码已失效，正跳转到首页',
            ));

            return new Response($content, '302');
        }

        $currentUser = $this->getCurrentUser();

        if (!empty($token['userId']) && !$currentUser->isLogin() && $currentUser['id'] != $token['userId']) {
            $user = $this->getUserService()->getUser($token['userId']);
            $currentUser = new CurrentUser();
            $currentUser->fromArray($user);
            $this->switchUser($request, $currentUser);
        }

        return $this->redirect($token['data']['url']);
    }

    public function crontabAction(Request $request)
    {
        $currentUserToken = $this->container->get('security.token_storage')->getToken();