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<?php
/**
* SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Encryption\Command;
use OCA\Encryption\Util;
use OCP\IConfig;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ConfirmationQuestion;
class DisableMasterKey extends Command {
public function __construct(
protected Util $util,
protected IConfig $config,
protected QuestionHelper $questionHelper,
) {
parent::__construct();
}
protected function configure(): void {
$this
->setName('encryption:disable-master-key')
->setDescription('Disable the master key and use per-user keys instead. Only available for fresh installations with no existing encrypted data! There is no way to enable it again.');
}
protected function execute(InputInterface $input, OutputInterface $output): int {
$isMasterKeyEnabled = $this->util->isMasterKeyEnabled();
if (!$isMasterKeyEnabled) {
$output->writeln('Master key already disabled');
return self::SUCCESS;
}
$question = new ConfirmationQuestion(
'Warning: Only perform this operation for a fresh installations with no existing encrypted data! '
. 'There is no way to enable the master key again. '
. 'We strongly recommend to keep the master key, it provides significant performance improvements '
. 'and is easier to handle for both, users and administrators. '
. 'Do you really want to switch to per-user keys? (y/n) ', false);
if ($this->questionHelper->ask($input, $output, $question)) {
$this->config->setAppValue('encryption', 'useMasterKey', '0');
$output->writeln('Master key successfully disabled.');
return self::SUCCESS;
}
$output->writeln('aborted.');
return self::FAILURE;
}
}
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