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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Jakub Onderka <ahoj@jakubonderka.cz>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author simonspa <1677436+simonspa@users.noreply.github.com>
*
* @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 OCA\Files_Trashbin\Controller;
use OCA\Files_Trashbin\Trash\ITrashManager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Files\Folder;
use OCP\Files\IMimeTypeDetector;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\IPreview;
use OCP\IRequest;
use OCP\IUserSession;
class PreviewController extends Controller {
/** @var IRootFolder */
private $rootFolder;
/** @var ITrashManager */
private $trashManager;
/** @var IUserSession */
private $userSession;
/** @var IMimeTypeDetector */
private $mimeTypeDetector;
/** @var IPreview */
private $previewManager;
/** @var ITimeFactory */
private $time;
public function __construct(
string $appName,
IRequest $request,
IRootFolder $rootFolder,
ITrashManager $trashManager,
IUserSession $userSession,
IMimeTypeDetector $mimeTypeDetector,
IPreview $previewManager,
ITimeFactory $time
) {
parent::__construct($appName, $request);
$this->trashManager = $trashManager;
$this->rootFolder = $rootFolder;
$this->userSession = $userSession;
$this->mimeTypeDetector = $mimeTypeDetector;
$this->previewManager = $previewManager;
$this->time = $time;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @return DataResponse|Http\FileDisplayResponse
*/
public function getPreview(
int $fileId = -1,
int $x = 128,
int $y = 128
) {
if ($fileId === -1 || $x === 0 || $y === 0) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
try {
$file = $this->trashManager->getTrashNodeById($this->userSession->getUser(), $fileId);
if ($file === null) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
if ($file instanceof Folder) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
$pathParts = pathinfo($file->getName());
$extension = $pathParts['extension'] ?? '';
$fileName = $pathParts['filename'];
/*
* Files in the root of the trashbin are timetamped.
* So we have to strip that in order to properly detect the mimetype of the file.
*/
if (preg_match('/d\d+/', $extension)) {
$mimeType = $this->mimeTypeDetector->detectPath($fileName);
} else {
$mimeType = $this->mimeTypeDetector->detectPath($file->getName());
}
$f = $this->previewManager->getPreview($file, $x, $y, true, IPreview::MODE_FILL, $mimeType);
$response = new Http\FileDisplayResponse($f, Http::STATUS_OK, ['Content-Type' => $f->getMimeType()]);
// Cache previews for 24H
$response->cacheFor(3600 * 24);
return $response;
} catch (NotFoundException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
} catch (\InvalidArgumentException $e) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
}
}
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