9.5/_user_file_mount_service_8php_source.html

<?php

namespace ‪TYPO3\CMS\Core\Resource\Service;


/*

 * 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 ‪TYPO3\CMS\Core\Authentication\BackendUserAuthentication;

use ‪TYPO3\CMS\Core\Messaging\FlashMessage;

use ‪TYPO3\CMS\Core\Messaging\FlashMessageService;

use ‪TYPO3\CMS\Core\Resource\Exception\InsufficientFolderReadPermissionsException;

use ‪TYPO3\CMS\Core\Resource\Folder;

use ‪TYPO3\CMS\Core\Resource\StorageRepository;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪UserFileMountService

{

    public function ‪renderTceformsSelectDropdown(&$PA)

    {

        $allowedStorageIds = array_map(

            function (\‪TYPO3\CMS\Core\Resource\‪ResourceStorage $storage) {

                return $storage->getUid();

            },

            $this->‪getBackendUserAuthentication()->‪getFileStorages()

        );

        // If working for sys_filemounts table

        $storageUid = (int)$PA['row']['base'][0];

        if (!$storageUid) {

            // If working for sys_file_collection table

            $storageUid = (int)$PA['row']['storage'][0];

        }

        if ($storageUid > 0 && in_array($storageUid, $allowedStorageIds, true)) {

            $storageRepository = GeneralUtility::makeInstance(StorageRepository::class);

            $storage = $storageRepository->findByUid($storageUid);

            if ($storage === null) {

                $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);

                $queue = $flashMessageService->getMessageQueueByIdentifier();

                $queue->enqueue(new ‪FlashMessage('Storage #' . $storageUid . ' does not exist. No folder is currently selectable.', '', ‪FlashMessage::ERROR));

                if (empty($PA['items'])) {

                    $PA['items'][] = [

                        $PA['row'][$PA['field']],

                        $PA['row'][$PA['field']]

                    ];

                }

            } elseif ($storage->isBrowsable()) {

                $rootLevelFolders = [];


                $fileMounts = $storage->getFileMounts();

                if (!empty($fileMounts)) {

                    foreach ($fileMounts as $fileMountInfo) {

                        $rootLevelFolders[] = $fileMountInfo['folder'];

                    }

                } else {

                    $rootLevelFolders[] = $storage->getRootLevelFolder();

                }


                foreach ($rootLevelFolders as $rootLevelFolder) {

                    $folderItems = $this->‪getSubfoldersForOptionList($rootLevelFolder);

                    foreach ($folderItems as $item) {

                        $PA['items'][] = [

                            $item->getIdentifier(),

                            $item->getIdentifier()

                        ];

                    }

                }

            } else {

                $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);

                $queue = $flashMessageService->getMessageQueueByIdentifier();

                $queue->enqueue(new ‪FlashMessage('Storage "' . $storage->getName() . '" is not browsable. No folder is currently selectable.', '', ‪FlashMessage::WARNING));

                if (empty($PA['items'])) {

                    $PA['items'][] = [

                        $PA['row'][$PA['field']],

                        $PA['row'][$PA['field']]

                    ];

                }

            }

        } else {

            $PA['items'][] = ['', 'Please choose a FAL mount from above first.'];

        }

    }


    protected function ‪getSubfoldersForOptionList(‪Folder $parentFolder, $level = 0)

    {

        $level++;

        // hard break on recursion

        if ($level > 99) {

            return [];

        }

        $allFolderItems = [$parentFolder];

        $subFolders = $parentFolder->‪getSubfolders();

        foreach ($subFolders as $subFolder) {

            try {

                $subFolderItems = $this->‪getSubfoldersForOptionList($subFolder, $level);

            } catch (‪InsufficientFolderReadPermissionsException $e) {

                $subFolderItems = [];

            }

            $allFolderItems = array_merge($allFolderItems, $subFolderItems);

        }

        return $allFolderItems;

    }


    protected function ‪getBackendUserAuthentication(): ‪BackendUserAuthentication

    {

        return ‪$GLOBALS['BE_USER'];

    }

}