Whoops, looks like something went wrong.

        }

        $this->filePointer = fopen($this->filePath, 'c');
        if ($this->filePointer === false) {
            throw new LockAcquireException('Lock file could not be opened', 1294586099);
        }
        GeneralUtility::fixPermissions($this->filePath);

        $operation = $mode & self::LOCK_CAPABILITY_EXCLUSIVE ? LOCK_EX : LOCK_SH;

            }

            try {
                $locked = $this->locks[$type]['pageLock']->acquire(
                    LockingStrategyInterface::LOCK_CAPABILITY_EXCLUSIVE | LockingStrategyInterface::LOCK_CAPABILITY_NOBLOCK
                );
            } catch (LockAcquireWouldBlockException $e) {
                // somebody else has the lock, we keep waiting

            $this->getTimeTracker()->push('Cache Row');
            $row = $this->getFromCache_queryRow();
            if (!is_array($row)) {
                // nothing in the cache, we acquire an exclusive lock now
                $this->acquireLock('pages', $lockHash);
                //
                // from this point on we're the only one working on that page ($lockHash)
                //

        $GLOBALS['TYPO3_REQUEST'] = $request;
        // Get from cache
        $this->timeTracker->push('Get Page from cache');
        // Locks may be acquired here
        $this->controller->getFromCache($request);
        $this->timeTracker->pull();
        // Get config if not already gotten
        // After this, we should have a valid config-array ready
        $this->controller->getConfigArray($request);

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        }

        // Make TSFE globally available
        $GLOBALS['TSFE'] = $controller;
        return $handler->handle($request);
    }

    /**
     * Register the backend user as aspect

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

            }
        }

        $request = $request->withAttribute('noCache', $this->disableCache);
        return $handler->handle($request);
    }

    /**
     * Filters out the arguments that are necessary for calculating cHash

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

            $previewAspect = GeneralUtility::makeInstance(PreviewAspect::class, $isPreview);
            $this->context->setAspect('frontend.preview', $previewAspect);
        }

        return $handler->handle($request);
    }

    /**
     * Simulate dates for preview functionality

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        if (StateUtility::isActivatedForUser() && StateUtility::isOpen()) {
            $connection = $this->connectionPool->getConnectionByName(ConnectionPool::DEFAULT_CONNECTION_NAME);
            $connection->getConfiguration()->setSQLLogger(GeneralUtility::makeInstance(DoctrineSqlLogger::class));
        }
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        // merge the PageArguments with the request query parameters
        $queryParams = array_replace_recursive($request->getQueryParams(), $pageArguments->getArguments());
        $request = $request->withQueryParams($queryParams);

        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

                return new HtmlResponse($content, 200, ['Content-Type' => $contentType]);
            }
        }
        return $handler->handle($request);
    }

    /**
     * Find the proper configuration for the static route in the static route configuration. Mainly:

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

                $uri = $requestedUri->withPath(rtrim($requestedUri->getPath(), '/'));
                return new RedirectResponse($uri, 307);
            }
        }
        return $handler->handle($request);
    }

    /**
     * Checks if the language is allowed in Frontend, if not, check if there is valid BE user

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

                unset($GLOBALS['TYPO3_REQUEST']);
            }
        }

        return $handler->handle($request);
    }

    /**
     * Creates a PSR-7 compatible Response object

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

                MainController::class
            );
            $request = $adminPanelController->initialize($request);
        }
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        // Register the frontend user as aspect and within the session
        $this->setFrontendUserAspect($frontendUser);
        $request = $request->withAttribute('frontend.user', $frontendUser);

        $response = $handler->handle($request);

        // Store session data for fe_users if it still exists
        if ($frontendUser instanceof FrontendUserAuthentication) {
            $frontendUser->storeSessionData();

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

            Bootstrap::loadExtTables();
            $this->setBackendUserAspect($GLOBALS['BE_USER']);
        }

        $response = $handler->handle($request);

        // If, when building the response, the user is still available, then ensure that the headers are sent properly
        if ($this->context->getAspect('backend.user')->isLoggedIn()) {
            return $this->applyHeadersToResponse($response);

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        ) {
            return GeneralUtility::makeInstance(ErrorController::class)->unavailableAction($request, 'This page is temporarily unavailable.');
        }
        // Continue the regular stack if no maintenance mode is active
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        $request = $request->withAttribute('routing', $routeResult);
        if ($routeResult->getLanguage() instanceof SiteLanguage) {
            Locales::setSystemLocaleFromSiteLanguage($routeResult->getLanguage());
        }
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

    {
        $eID = $request->getParsedBody()['eID'] ?? $request->getQueryParams()['eID'] ?? null;

        if ($eID === null) {
            return $handler->handle($request);
        }

        // Remove any output produced until now
        ob_clean();

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

     */
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $request = $request->withAttribute('normalizedParams', NormalizedParams::createFromRequest($request));
        return $handler->handle($request);
    }
}

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

        $this->timeTracker->setEnabled($timeTrackingEnabled);
        $this->timeTracker->start(microtime(true));
        $this->timeTracker->push('');

        $response = $handler->handle($request);

        // Finish time tracking
        $this->timeTracker->pull();
        $this->timeTracker->finish();

                if (!$middleware instanceof MiddlewareInterface) {
                    throw new \InvalidArgumentException(get_class($middleware) . ' does not implement ' . MiddlewareInterface::class, 1516821342);
                }
                return $middleware->process($request, $this->next);
            }
        };
    }
}

     * @return ResponseInterface
     */
    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        return $this->tip->handle($request);
    }

    /**
     * Seed the middleware stack with the inner request handler

     * @return ResponseInterface
     */
    protected function handle(ServerRequestInterface $request): ResponseInterface
    {
        return $this->requestHandler->handle($request);
    }

    /**
     * Set up the application and shut it down afterwards

        // Create new request object having applicationType "I am a frontend request" attribute.
        $request = $request->withAttribute('applicationType', SystemEnvironmentBuilder::REQUESTTYPE_FE);

        $this->initializeContext();
        return parent::handle($request);
    }

    /**
     * Check if LocalConfiguration.php and PackageStates.php exist

    final public function run(callable $execute = null)
    {
        try {
            $response = $this->handle(
                ServerRequestFactory::fromGlobals()
            );
            if ($execute !== null) {
                call_user_func($execute);
            }

// Set up the application for the frontend
call_user_func(function () {
    $classLoader = require __DIR__.'/vendor/autoload.php';
    \TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::run(0, \TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::REQUESTTYPE_FE);
    \TYPO3\CMS\Core\Core\Bootstrap::init($classLoader)->get(\TYPO3\CMS\Frontend\Http\Application::class)->run();
});

call_user_func(function () {
    $classLoader = require __DIR__.'/vendor/autoload.php';
    \TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::run(0, \TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::REQUESTTYPE_FE);
    \TYPO3\CMS\Core\Core\Bootstrap::init($classLoader)->get(\TYPO3\CMS\Frontend\Http\Application::class)->run();
});