FallbackController.php

<?php

namespace App\Controller;

use App\Helper\LegacyHelper;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\BinaryFileResponse;
use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException;

class FallbackController extends AbstractController
{
    /**
     * @Route("/", name="get_legacy_resource", priority=-2)
     * @Route("/{controller}", name="get_legacy_resource", requirements={"controller" = ".+"}, priority=-1)
     */
    public function getLegacyResourceAction(Request $request, ?string $controller = null): Response
    {
        if ($request->query->has('p') || $request->request->has('p')) {
            $this->denyAccessUnlessGranted('IS_AUTHENTICATED_REMEMBERED');
            // TODO : the following code MUST be re-enabled with tuleap-51

//            $user = $this->getUser();
//            $link = str_replace("php/project.php", "", $controller);
//            $link = rtrim($link, "/");
//            $user_id = $user->getId();

//          // check if capsule exists in database
//          $cap = $this->getDoctrine()
//                      ->getManager()
//                      ->getRepository('AppBundle:Capsule')
//                      ->getCapsuleByLink($link);
//          if (!$cap instanceof Capsule) {
//              // rediriger sur une page demandant si il est l'auteur de la capsule
//              return $this->redirectToRoute('add_author', array('capsuleLink'=>$link, 'capsulePass'=> $pass));
//          }
//
//          // if capsule exists, check if user can edit it
//          $cap = $this->getDoctrine()
//                      ->getManager()
//                      ->getRepository('AppBundle:Capsule')
//                      ->getCapsuleByLinkAndUser($link, $user_id);
//          if (!$cap instanceof Capsule) {
//              // rediriger sur une page lui demandant de contacter
//              // l'administrateur de la capsule pour lui donner des droits
//              return $this->redirectToRoute('no_edition_access');
//          }
//
//          // if yes, continue
//          $cap->setAutMaj($user);
//          $cap->setDtMaj(new \DateTime());
//
//          $em = $this->getDoctrine()->getManager();
//          $em->persist($cap);
//          $em->flush();
        }

//        if ($controller == null) {
//            //if no controller, this is index1.php
//            return $this->redirectToRoute('get_legacy_resource', array('controller' => 'index1.php'));
//        }

        if (null === $controller) {
            return LegacyHelper::transferToLegacy(
                $request,
                strval($this->getParameter('app.legacy_external_prefix')),
                strval($this->getParameter('app.legacy_url'))
            );
        }

        // use iframe to enhance speed but not for creation
        if (strpos($controller, 'legacy') !== 0) {
            // relative path (to app/) of the legacy code (on the same filesystem)
            //$path_to_legacy_code = $this->getParameter('kernel.root_dir').
            //$this->getParameter('legacy_root_dir');
            $originalController = $request->getPathInfo();
            $originalQueryString = $request->getQueryString();

            $extension = strrchr($originalController, '.');
            if ($extension != '.html' && $extension != '.php' && $extension != false) {
                //$url = "{$path_to_legacy_code}{$originalController}";
                $url = "{$originalController}";
                try {
                    $legacy_helper = new LegacyHelper();
                    $mime = $legacy_helper->getMime($url, $extension);
                    $response = new BinaryFileResponse($url);
                    $response->headers->set('Content-Type', $mime ?: 'application/octet-stream');
                    return $response;
                } catch (FileNotFoundException $e) {
                    // try normal access by url
                }
            }
            $separator = '';
            if (!$extension) {
                $separator = '/';
            }

            $app_legacy_url_external = strval($this->getParameter('app.legacy_url_external'));

            $url = "{$app_legacy_url_external}/" .
                "{$originalController}{$separator}?{$originalQueryString}";
            $url = preg_replace('(^https?:\/\/[^/]+(:\d+)?)', '', $url);

            // TODO: fix regex
//            $pattern = '/\/\//i';
//            $url = preg_replace($pattern, '/', $url);

            return $this->render("project/edit.html.twig", [
                'url' => $url
            ]);
        }

        return LegacyHelper::transferToLegacy(
            $request,
            strval($this->getParameter('app.legacy_external_prefix')),
            strval($this->getParameter('app.legacy_url'))
        );
    }
}