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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author essys <essys@users.noreply.github.com>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @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\Encryption\Command;
use OC\Files\View;
use OCA\Encryption\Util;
use OCP\IConfig;
use OCP\IUserManager;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class ScanLegacyFormat extends Command {
/** @var Util */
protected $util;
/** @var IConfig */
protected $config;
/** @var QuestionHelper */
protected $questionHelper;
/** @var IUserManager */
private $userManager;
/** @var View */
private $rootView;
/**
* @param Util $util
* @param IConfig $config
* @param QuestionHelper $questionHelper
*/
public function __construct(Util $util,
IConfig $config,
QuestionHelper $questionHelper,
IUserManager $userManager) {
parent::__construct();
$this->util = $util;
$this->config = $config;
$this->questionHelper = $questionHelper;
$this->userManager = $userManager;
$this->rootView = new View();
}
protected function configure() {
$this
->setName('encryption:scan:legacy-format')
->setDescription('Scan the files for the legacy format');
}
protected function execute(InputInterface $input, OutputInterface $output): int {
$result = true;
$output->writeln('Scanning all files for legacy encryption');
foreach ($this->userManager->getBackends() as $backend) {
$limit = 500;
$offset = 0;
do {
$users = $backend->getUsers('', $limit, $offset);
foreach ($users as $user) {
$output->writeln('Scanning all files for ' . $user);
$this->setupUserFS($user);
$result = $result && $this->scanFolder($output, '/' . $user);
}
$offset += $limit;
} while (count($users) >= $limit);
}
if ($result) {
$output->writeln('All scanned files are properly encrypted. You can disable the legacy compatibility mode.');
return 0;
}
return 1;
}
private function scanFolder(OutputInterface $output, string $folder): bool {
$clean = true;
foreach ($this->rootView->getDirectoryContent($folder) as $item) {
$path = $folder . '/' . $item['name'];
if ($this->rootView->is_dir($path)) {
if ($this->scanFolder($output, $path) === false) {
$clean = false;
}
} else {
if (!$item->isEncrypted()) {
// ignore
continue;
}
$stats = $this->rootView->stat($path);
if (!isset($stats['hasHeader']) || $stats['hasHeader'] === false) {
$clean = false;
$output->writeln($path . ' does not have a proper header');
}
}
}
return $clean;
}
/**
* setup user file system
*
* @param string $uid
*/
protected function setupUserFS($uid) {
\OC_Util::tearDownFS();
\OC_Util::setupFS($uid);
}
}
|
