owncloud/core

<?php
/**
 * @author Björn Schießle <bjoern@schiessle.org>
 *
 * @copyright Copyright (c) 2018, 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\Federation\Controller;

use OC\HintException;
use OCA\Federation\TrustedServers;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\DataResponse;
use OCP\IL10N;
use OCP\IRequest;

class SettingsController extends Controller {
    /** @var IL10N */
    private $l;

    /** @var  TrustedServers */
    private $trustedServers;

    /**
     * @param string $AppName
     * @param IRequest $request
     * @param IL10N $l10n
     * @param TrustedServers $trustedServers
     */
    public function __construct(
        $AppName,
        IRequest $request,
        IL10N $l10n,
        TrustedServers $trustedServers
    ) {
        parent::__construct($AppName, $request);
        $this->l = $l10n;
        $this->trustedServers = $trustedServers;
    }

    /**
     * add server to the list of trusted ownClouds
     *
     * @param string $url
     * @return DataResponse
     * @throws HintException
     */
    public function addServer($url) {
        $this->checkServer($url);
        $id = $this->trustedServers->addServer($url);

        return new DataResponse(
            [
                'url' => $url,
                'id' => $id,
                'message' => (string) $this->l->t('Server added to the list of trusted ownClouds')
            ]
        );
    }

    /**
     * remove server from the list of trusted ownCloud servers
     *
     * @param int $id
     * @return DataResponse
     */
    public function removeServer($id) {
        $this->trustedServers->removeServer($id);
        return new DataResponse();
    }

    /**
     * enable/disable to automatically add servers to the list of trusted servers
     * once a federated share was created and accepted successfully
     *
     * @param bool $autoAddServers
     */
    public function autoAddServers($autoAddServers) {
        $this->trustedServers->setAutoAddServers($autoAddServers);
    }

    /**
     * check if the server should be added to the list of trusted servers or not
     *
     * @param string $url
     * @return bool
     * @throws HintException
     */
    protected function checkServer($url) {
        if ($this->trustedServers->isTrustedServer($url) === true) {
            $message = 'Server is already in the list of trusted servers.';
            $hint = $this->l->t('Server is already in the list of trusted servers.');
            throw new HintException($message, $hint);
        }

        if ($this->trustedServers->isOwnCloudServer($url) === false) {
            $message = 'No ownCloud server found';
            $hint = $this->l->t('No ownCloud server found');
            throw new HintException($message, $hint);
        }

        return true;
    }
}