Your IP : 216.73.217.95
<?php
declare(strict_types=1);
/*
* 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!
*/
namespace TYPO3\CMS\Form\Slot;
use TYPO3\CMS\Core\Core\Environment;
use TYPO3\CMS\Core\Resource\Event\GeneratePublicUrlForResourceEvent;
use TYPO3\CMS\Core\Resource\File;
use TYPO3\CMS\Core\Resource\FileInterface;
use TYPO3\CMS\Core\Resource\ProcessedFile;
use TYPO3\CMS\Core\Resource\ResourceInterface;
use TYPO3\CMS\Core\SingletonInterface;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\PathUtility;
/**
* A PSR-14 event listener for using FAL resources in public (frontend)
*
* @internal will be renamed at some point.
*/
class ResourcePublicationSlot implements SingletonInterface
{
/**
* @var list<string>
*/
protected $fileIdentifiers = [];
public function getPublicUrl(GeneratePublicUrlForResourceEvent $event): void
{
$resource = $event->getResource();
if (!$resource instanceof FileInterface
|| !$this->has($resource)
|| $event->getStorage()->getDriverType() !== 'Local'
) {
return;
}
$event->setPublicUrl($this->getStreamUrl($event->getResource()));
}
public function add(FileInterface $resource): void
{
if ($this->has($resource)) {
return;
}
$this->fileIdentifiers[] = $resource->getIdentifier();
}
public function has(FileInterface $resource): bool
{
return in_array($resource->getIdentifier(), $this->fileIdentifiers, true);
}
protected function getStreamUrl(ResourceInterface $resource): string
{
$queryParameterArray = ['eID' => 'dumpFile', 't' => ''];
if ($resource instanceof File) {
$queryParameterArray['f'] = $resource->getUid();
$queryParameterArray['t'] = 'f';
} elseif ($resource instanceof ProcessedFile) {
$queryParameterArray['p'] = $resource->getUid();
$queryParameterArray['t'] = 'p';
}
$queryParameterArray['token'] = GeneralUtility::hmac(implode('|', $queryParameterArray), 'resourceStorageDumpFile');
$publicUrl = GeneralUtility::locationHeaderUrl(PathUtility::getAbsoluteWebPath(Environment::getPublicPath() . '/index.php'));
$publicUrl .= '?' . http_build_query($queryParameterArray, '', '&', PHP_QUERY_RFC3986);
return $publicUrl;
}
}