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<?php
declare(strict_types=1);
/**
* @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Robin Appelman <robin@icewind.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 OCA\Files_Trashbin\Sabre;
use OCA\DAV\Connector\Sabre\FilesPlugin;
use OCP\IPreview;
use Sabre\DAV\INode;
use Sabre\DAV\PropFind;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
class TrashbinPlugin extends ServerPlugin {
public const TRASHBIN_FILENAME = '{http://nextcloud.org/ns}trashbin-filename';
public const TRASHBIN_ORIGINAL_LOCATION = '{http://nextcloud.org/ns}trashbin-original-location';
public const TRASHBIN_DELETION_TIME = '{http://nextcloud.org/ns}trashbin-deletion-time';
public const TRASHBIN_TITLE = '{http://nextcloud.org/ns}trashbin-title';
public const TRASHBIN_DELETED_BY_ID = '{http://nextcloud.org/ns}trashbin-deleted-by-id';
public const TRASHBIN_DELETED_BY_DISPLAY_NAME = '{http://nextcloud.org/ns}trashbin-deleted-by-display-name';
/** @var Server */
private $server;
/** @var IPreview */
private $previewManager;
public function __construct(
IPreview $previewManager
) {
$this->previewManager = $previewManager;
}
public function initialize(Server $server) {
$this->server = $server;
$this->server->on('propFind', [$this, 'propFind']);
$this->server->on('afterMethod:GET', [$this,'httpGet']);
}
public function propFind(PropFind $propFind, INode $node) {
if (!($node instanceof ITrash)) {
return;
}
$propFind->handle(self::TRASHBIN_FILENAME, function () use ($node) {
return $node->getFilename();
});
$propFind->handle(self::TRASHBIN_ORIGINAL_LOCATION, function () use ($node) {
return $node->getOriginalLocation();
});
$propFind->handle(self::TRASHBIN_TITLE, function () use ($node) {
return $node->getTitle();
});
$propFind->handle(self::TRASHBIN_DELETION_TIME, function () use ($node) {
return $node->getDeletionTime();
});
$propFind->handle(self::TRASHBIN_DELETED_BY_ID, function () use ($node) {
return $node->getDeletedBy()?->getUID();
});
$propFind->handle(self::TRASHBIN_DELETED_BY_DISPLAY_NAME, function () use ($node) {
return $node->getDeletedBy()?->getDisplayName();
});
$propFind->handle(FilesPlugin::SIZE_PROPERTYNAME, function () use ($node) {
return $node->getSize();
});
$propFind->handle(FilesPlugin::FILEID_PROPERTYNAME, function () use ($node) {
return $node->getFileId();
});
$propFind->handle(FilesPlugin::PERMISSIONS_PROPERTYNAME, function () {
return 'GD'; // read + delete
});
$propFind->handle(FilesPlugin::GETETAG_PROPERTYNAME, function () use ($node) {
// add fake etag, it is only needed to identify the preview image
return $node->getLastModified();
});
$propFind->handle(FilesPlugin::INTERNAL_FILEID_PROPERTYNAME, function () use ($node) {
// add fake etag, it is only needed to identify the preview image
return $node->getFileId();
});
$propFind->handle(FilesPlugin::HAS_PREVIEW_PROPERTYNAME, function () use ($node) {
return $this->previewManager->isAvailable($node->getFileInfo());
});
$propFind->handle(FilesPlugin::MOUNT_TYPE_PROPERTYNAME, function () {
return '';
});
}
/**
* Set real filename on trashbin download
*
* @param RequestInterface $request
* @param ResponseInterface $response
*/
public function httpGet(RequestInterface $request, ResponseInterface $response): void {
$path = $request->getPath();
$node = $this->server->tree->getNodeForPath($path);
if ($node instanceof ITrash) {
$response->addHeader('Content-Disposition', 'attachment; filename="' . $node->getFilename() . '"');
}
}
}
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