RenderingDispatcher

<?php
namespace Netlogix\Nxsecuredownload\Service;

/***************************************************************
 *  Copyright notice
 *
 *  (c) 2015 Stephan Schuler <stephan.schuler@netlogix.de>, netlogix GmbH & Co. KG
 *
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *
 *  This script is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 ***************************************************************/

/**
 *
 * @package nxsecuredownload
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
 *
 */
class RenderingDispatcher implements \TYPO3\CMS\Core\SingletonInterface {

	/**
	 * The type number gets set by .htaccess rewrite and is used in
	 * TypoScript as well.
	 *
	 * @var int
	 */
	protected $typeNumber = 1424796397;

	protected $requestedFilePath = '/';

	/**
	 * The "pre process request" mechanism determines if the current request
	 * is meant as a download link. Some $_SERVER keys need to be cleared to
	 * make RealURL not kicking in for path to id mapping and falling into a
	 * pageNotFound situation.
	 *
	 * @return void
	 */
	public function preProcessRequest() {

		if ($this->typeNumber !== (int)\TYPO3\CMS\Core\Utility\GeneralUtility::_GET('type')) {
			return;
		}

		$this->requestedFilePath = ltrim(parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH), '/');
		$getVars = array(
			'type' => $this->typeNumber,
			'file' => $this->requestedFilePath,
		);

		\TYPO3\CMS\Core\Utility\GeneralUtility::_GETset($getVars);

		$_SERVER['QUERY_STRING'] = http_build_query($getVars);
		$_SERVER['REQUEST_URI'] = '/?' . $_SERVER['QUERY_STRING'];

	}

	/**
	 * To speed up things a view milliseconds, the SecureDownloadController is no
	 * extbase controller.
	 *
	 * @return string
	 */
	public function run() {

		/** @var \Netlogix\Nxsecuredownload\Service\SecureDownloadService $secureDownloadService */
		$secureDownloadService = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('Netlogix\\Nxsecuredownload\\Service\\SecureDownloadService');
		$secureDownloadService->initializeObject();
		$secureDownloadService->setConsiderBackendLogin(TRUE);
		$secureDownloadService->setAllowOverruleFeGroups(FALSE);

		/** @var \Netlogix\Nxsecuredownload\Controller\SecureDownloadController $controller */
		$controller = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('Netlogix\\Nxsecuredownload\\Controller\\SecureDownloadController');
		$controller->injectSecureDownloadService($secureDownloadService);
		$controller->injectSettings($secureDownloadService->getSettings());

		$controller->downloadAction($this->requestedFilePath);

	}
}