nextcloud/lib/private/Preview/Storage/Root.php

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Preview\Storage;
use OC\Files\AppData\AppData;
use OC\SystemConfig;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\Files\SimpleFS\ISimpleFolder;
class Root extends AppData {
public function __construct(IRootFolder $rootFolder, SystemConfig $systemConfig) {
parent::__construct($rootFolder, $systemConfig, 'preview');
}
public function getFolder(string $name): ISimpleFolder {
$internalFolder = $this->getInternalFolder($name);
try {
return parent::getFolder($internalFolder);
} catch (NotFoundException $e) {
/*
* The new folder structure is not found.
* Lets try the old one
*/
}
return parent::getFolder($name);
}
public function newFolder(string $name): ISimpleFolder {
$internalFolder = $this->getInternalFolder($name);
return parent::newFolder($internalFolder);
}
/*
* Do not allow directory listing on this special root
* since it gets to big and time consuming
*/
public function getDirectoryListing(): array {
return [];
}
private function getInternalFolder(string $name): string {
return implode('/', str_split(substr(md5($name), 0, 7))) . '/' . $name;
}
}