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<?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\Backend\Resource;
use TYPO3\CMS\Core\Resource\Event\GeneratePublicUrlForResourceEvent;
use TYPO3\CMS\Core\Resource\ResourceInterface;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\PathUtility;
class PublicUrlPrefixer
{
/**
* Static property to avoid an infinite loop, because this listener is called when
* public URLs are generated, but also calls public URL generation to obtain the
* URL without prefix from the driver and possibly other listeners
*/
private static bool $isProcessingUrl = false;
public function prefixWithSitePath(GeneratePublicUrlForResourceEvent $event): void
{
if (self::$isProcessingUrl) {
return;
}
$resource = $event->getResource();
if (!$this->isLocalResource($resource)) {
return;
}
// Before calling getPublicUrl, we set the static property to true to avoid to be called in a loop
self::$isProcessingUrl = true;
try {
$resource = $event->getResource();
$originalUrl = $event->getStorage()->getPublicUrl($resource);
if (!$originalUrl || PathUtility::hasProtocolAndScheme($originalUrl)) {
return;
}
$event->setPublicUrl(GeneralUtility::getIndpEnv('TYPO3_SITE_PATH') . $originalUrl);
} finally {
self::$isProcessingUrl = false;
}
}
private function isLocalResource(ResourceInterface $resource): bool
{
return $resource->getStorage()->getDriverType() === 'Local';
}
}