owncloud/core

<?php
/**
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Vincent Petry <pvince81@owncloud.com>
 *
 * @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\Files_External\Command;

use OC\Core\Command\Base;
use OCP\Files\External\IStorageConfig;
use OCP\Files\External\NotFoundException;
use OCP\Files\External\Service\IGlobalStoragesService;
use OCP\IGroupManager;
use OCP\IUserManager;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

class Applicable extends Base {
    /**
     * @var IGlobalStoragesService
     */
    protected $globalService;

    /**
     * @var IUserManager
     */
    private $userManager;

    /**
     * @var IGroupManager
     */
    private $groupManager;

    public function __construct(
        IGlobalStoragesService $globalService,
        IUserManager $userManager,
        IGroupManager $groupManager
    ) {
        parent::__construct();
        $this->globalService = $globalService;
        $this->userManager = $userManager;
        $this->groupManager = $groupManager;
    }

    protected function configure() {
        $this
            ->setName('files_external:applicable')
            ->setDescription('Manage applicable users and groups for a mount')
            ->addArgument(
                'mount_id',
                InputArgument::REQUIRED,
                'The id of the mount to edit'
            )->addOption(
                'add-user',
                null,
                InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED,
                'user to add as applicable'
            )->addOption(
                'remove-user',
                null,
                InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED,
                'user to remove as applicable'
            )->addOption(
                'add-group',
                null,
                InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED,
                'group to add as applicable'
            )->addOption(
                'remove-group',
                null,
                InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED,
                'group to remove as applicable'
            )->addOption(
                'remove-all',
                null,
                InputOption::VALUE_NONE,
                'Set the mount to be globally applicable'
            );
        parent::configure();
    }

    protected function execute(InputInterface $input, OutputInterface $output): int {
        $mountId = $input->getArgument('mount_id');
        try {
            $mount = $this->globalService->getStorage($mountId);
        } catch (NotFoundException $e) {
            $output->writeln('<error>Mount with id "' . $mountId . ' not found, check "occ files_external:list" to get available mounts</error>');
            return 1;
        }

        if ($mount->getType() === IStorageConfig::MOUNT_TYPE_PERSONAl) {
            $output->writeln('<error>Can\'t change applicables on personal mounts</error>');
            return 1;
        }

        $addUsers = $input->getOption('add-user');
        $removeUsers = $input->getOption('remove-user');
        $addGroups = $input->getOption('add-group');
        $removeGroups = $input->getOption('remove-group');

        $applicableUsers = $mount->getApplicableUsers();
        $applicableGroups = $mount->getApplicableGroups();

        if ((\count($addUsers) + \count($removeUsers) + \count($addGroups) + \count($removeGroups) > 0) || $input->getOption('remove-all')) {
            foreach ($addUsers as $addUser) {
                if (!$this->userManager->userExists($addUser)) {
                    $output->writeln('<error>User "' . $addUser . '" not found</error>');
                    return 1;
                }
            }
            foreach ($addGroups as $addGroup) {
                if (!$this->groupManager->groupExists($addGroup)) {
                    $output->writeln('<error>Group "' . $addGroup . '" not found</error>');
                    return 1;
                }
            }

            if ($input->getOption('remove-all')) {
                $applicableUsers = [];
                $applicableGroups = [];
            } else {
                $applicableUsers = \array_unique(\array_merge($applicableUsers, $addUsers));
                $applicableUsers = \array_values(\array_diff($applicableUsers, $removeUsers));
                $applicableGroups = \array_unique(\array_merge($applicableGroups, $addGroups));
                $applicableGroups = \array_values(\array_diff($applicableGroups, $removeGroups));
            }
            $mount->setApplicableUsers($applicableUsers);
            $mount->setApplicableGroups($applicableGroups);
            $this->globalService->updateStorage($mount);
        }

        $this->writeArrayInOutputFormat($input, $output, [
            'users' => $applicableUsers,
            'groups' => $applicableGroups
        ]);
        return 0;
    }
}