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<?php
declare(strict_types=1);
/**
* @copyright 2021 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @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\DAV\CalDAV\Trashbin;
use Closure;
use DateTimeImmutable;
use DateTimeInterface;
use OCA\DAV\CalDAV\Calendar;
use OCA\DAV\CalDAV\RetentionService;
use OCP\IRequest;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\INode;
use Sabre\DAV\PropFind;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
use function array_slice;
use function implode;
class Plugin extends ServerPlugin {
public const PROPERTY_DELETED_AT = '{http://nextcloud.com/ns}deleted-at';
public const PROPERTY_CALENDAR_URI = '{http://nextcloud.com/ns}calendar-uri';
public const PROPERTY_RETENTION_DURATION = '{http://nextcloud.com/ns}trash-bin-retention-duration';
/** @var bool */
private $disableTrashbin;
/** @var RetentionService */
private $retentionService;
/** @var Server */
private $server;
public function __construct(IRequest $request,
RetentionService $retentionService) {
$this->disableTrashbin = $request->getHeader('X-NC-CalDAV-No-Trashbin') === '1';
$this->retentionService = $retentionService;
}
public function initialize(Server $server): void {
$this->server = $server;
$server->on('beforeMethod:*', [$this, 'beforeMethod']);
$server->on('propFind', Closure::fromCallable([$this, 'propFind']));
}
public function beforeMethod(RequestInterface $request, ResponseInterface $response): void {
if (!$this->disableTrashbin) {
return;
}
$path = $request->getPath();
$pathParts = explode('/', ltrim($path, '/'));
if (\count($pathParts) < 3) {
// We are looking for a path like calendars/username/calendarname
return;
}
// $calendarPath will look like calendars/username/calendarname
$calendarPath = implode(
'/',
array_slice($pathParts, 0, 3)
);
try {
$calendar = $this->server->tree->getNodeForPath($calendarPath);
if (!($calendar instanceof Calendar)) {
// This is odd
return;
}
/** @var Calendar $calendar */
$calendar->disableTrashbin();
} catch (NotFound $ex) {
return;
}
}
private function propFind(
PropFind $propFind,
INode $node): void {
if ($node instanceof DeletedCalendarObject) {
$propFind->handle(self::PROPERTY_DELETED_AT, function () use ($node) {
$ts = $node->getDeletedAt();
if ($ts === null) {
return null;
}
return (new DateTimeImmutable())
->setTimestamp($ts)
->format(DateTimeInterface::ATOM);
});
$propFind->handle(self::PROPERTY_CALENDAR_URI, function () use ($node) {
return $node->getCalendarUri();
});
}
if ($node instanceof TrashbinHome) {
$propFind->handle(self::PROPERTY_RETENTION_DURATION, function () use ($node) {
return $this->retentionService->getDuration();
});
}
}
public function getFeatures(): array {
return ['nc-calendar-trashbin'];
}
public function getPluginName(): string {
return 'nc-calendar-trashbin';
}
}
|
