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Application.php
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Application.php
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<?php
declare(strict_types = 1);
namespace TYPO3\CMS\Backend\Http;
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Core\Configuration\ConfigurationManager;
use TYPO3\CMS\Core\Http\AbstractApplication;
use TYPO3\CMS\Core\Http\RedirectResponse;
/**
* Entry point for the TYPO3 Backend (HTTP requests)
*/
class Application extends AbstractApplication
{
/**
* @var string
*/
protected $requestHandler = RequestHandler::class;
/**
* @var string
*/
protected $middlewareStack = 'backend';
/**
* @var ConfigurationManager
*/
protected $configurationManager;
/**
* @param ConfigurationManager $configurationManager
*/
public function __construct(ConfigurationManager $configurationManager)
{
$this->configurationManager = $configurationManager;
}
/**
* @param ServerRequestInterface $request
* @return ResponseInterface
*/
protected function handle(ServerRequestInterface $request): ResponseInterface
{
if (!$this->checkIfEssentialConfigurationExists()) {
return $this->installToolRedirect();
}
return parent::handle($request);
}
/**
* Check if LocalConfiguration.php and PackageStates.php exist
*
* @return bool TRUE when the essential configuration is available, otherwise FALSE
*/
protected function checkIfEssentialConfigurationExists(): bool
{
return file_exists($this->configurationManager->getLocalConfigurationFileLocation()) && file_exists(PATH_typo3conf . 'PackageStates.php');
}
/**
* Create a PSR-7 Response that redirects to the install tool
*
* @return ResponseInterface
*/
protected function installToolRedirect(): ResponseInterface
{
return new RedirectResponse('./install.php', 302);
}
}