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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\Form\Domain\Finishers;
use TYPO3\CMS\Core\Resource\Folder;
use TYPO3\CMS\Extbase\Domain\Model\FileReference;
use TYPO3\CMS\Form\Domain\Model\FormElements\FileUpload;
/**
* This finisher remove the submitted files.
* Use this e.g after the email finisher if you don't want
* to keep the files online.
*
* Scope: frontend
*/
class DeleteUploadsFinisher extends AbstractFinisher
{
/**
* Executes this finisher
* @see AbstractFinisher::execute()
*/
protected function executeInternal()
{
$formRuntime = $this->finisherContext->getFormRuntime();
$uploadFolders = [];
$elements = $formRuntime->getFormDefinition()->getRenderablesRecursively();
foreach ($elements as $element) {
if (!$element instanceof FileUpload) {
continue;
}
$file = $formRuntime[$element->getIdentifier()];
if (!$file) {
continue;
}
if ($file instanceof FileReference) {
$file = $file->getOriginalResource();
}
$folder = $file->getParentFolder();
$uploadFolders[$folder->getCombinedIdentifier()] = $folder;
$file->getStorage()->deleteFile($file->getOriginalFile());
}
$this->deleteEmptyUploadFolders($uploadFolders);
}
/**
* note:
* TYPO3\CMS\Form\Mvc\Property\TypeConverter\UploadedFileReferenceConverter::importUploadedResource()
* creates a sub-folder for file uploads (e.g. .../form_<40-chars-hash>/actual.file)
* @param Folder[] $folders
*/
protected function deleteEmptyUploadFolders(array $folders): void
{
foreach ($folders as $folder) {
if ($this->isEmptyFolder($folder)) {
$folder->delete();
}
}
}
protected function isEmptyFolder(Folder $folder): bool
{
return $folder->getFileCount() === 0
&& $folder->getStorage()->countFoldersInFolder($folder) === 0;
}
}