owncloud/core

<?php
/**
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 *
 * @copyright Copyright (c) 2019, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\DAV\TrashBin;

use OCP\IUserSession;
use Sabre\DAV\Exception\NotAuthenticated;
use Sabre\DAVACL\AbstractPrincipalCollection;
use Sabre\DAVACL\PrincipalBackend\BackendInterface;

class RootCollection extends AbstractPrincipalCollection {
    /**
     * @var IUserSession
     */
    protected $userSession;

    /**
     * Creates the object.
     *
     * This object must be passed the principal backend. This object will
     * filter all principals from a specified prefix ($principalPrefix). The
     * default is 'principals', if your principals are stored in a different
     * collection, override $principalPrefix
     *
     *
     * @param BackendInterface $principalBackend
     * @param IUserSession $userSession
     * @param string $principalPrefix
     */
    public function __construct(BackendInterface $principalBackend, IUserSession $userSession, $principalPrefix = 'principals') {
        parent::__construct($principalBackend, $principalPrefix);
        $this->userSession = $userSession;
    }

    /**
     * This method returns a node for a principal.
     *
     * The passed array contains principal information, and is guaranteed to
     * at least contain a uri item. Other properties may or may not be
     * supplied by the authentication backend.
     *
     * @param array $principalInfo
     * @return TrashBinHome
     * @throws NotAuthenticated
     */
    public function getChildForPrincipal(array $principalInfo) {
        list(, $name) = \Sabre\Uri\split($principalInfo['uri']);
        $sessionUser = $this->userSession->getUser();
        if ($sessionUser === null || $name !== $sessionUser->getUID()) {
            throw new NotAuthenticated();
        }
        return new TrashBinHome(new TrashBinManager(), $name);
    }

    public function getName() {
        return 'trash-bin';
    }
}