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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Files_Trashbin\Sabre;
use OCA\DAV\Connector\Sabre\FilesPlugin;
use OCA\Files_Trashbin\Trash\ITrashItem;
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';
public const TRASHBIN_BACKEND = '{http://nextcloud.org/ns}trashbin-backend';
/** @var Server */
private $server;
public function __construct(
private IPreview $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();
});
// Pass the real filename as the DAV display name
$propFind->handle(FilesPlugin::DISPLAYNAME_PROPERTYNAME, function () use ($node) {
return $node->getFilename();
});
$propFind->handle(FilesPlugin::SIZE_PROPERTYNAME, function () use ($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 '';
});
$propFind->handle(self::TRASHBIN_BACKEND, function () use ($node) {
$fileInfo = $node->getFileInfo();
if (!($fileInfo instanceof ITrashItem)) {
return '';
}
return $fileInfo->getTrashBackend()::class;
});
}
/**
* 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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