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- <?php
- declare(strict_types=1);
- /**
- * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
- * SPDX-License-Identifier: AGPL-3.0-or-later
- */
- 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);
- }
- }
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