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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Björn Schießle <bjoern@schiessle.org>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Daniel Rudolf <nextcloud.com@daniel-rudolf.de>
*
* @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_Versions\Command;
use OCP\Files\IRootFolder;
use OCP\IUserBackend;
use OCP\IUserManager;
use Symfony\Component\Console\Command\Command;
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 CleanUp extends Command {
/** @var IUserManager */
protected $userManager;
/** @var IRootFolder */
protected $rootFolder;
/**
* @param IRootFolder $rootFolder
* @param IUserManager $userManager
*/
public function __construct(IRootFolder $rootFolder, IUserManager $userManager) {
parent::__construct();
$this->userManager = $userManager;
$this->rootFolder = $rootFolder;
}
protected function configure() {
$this
->setName('versions:cleanup')
->setDescription('Delete versions')
->addArgument(
'user_id',
InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
'delete versions of the given user(s), if no user is given all versions will be deleted'
)
->addOption(
'path',
'p',
InputOption::VALUE_REQUIRED,
'only delete versions of this path, e.g. --path="/alice/files_versions/Music"'
);
}
protected function execute(InputInterface $input, OutputInterface $output): int {
$users = $input->getArgument('user_id');
$path = $input->getOption('path');
if ($path) {
if (!preg_match('#^/([^/]+)/files_versions(/.*)?$#', $path, $pathMatches)) {
$output->writeln("<error>Invalid path given</error>");
return 1;
}
$users = [ $pathMatches[1] ];
$path = trim($pathMatches[2], '/');
}
if (!empty($users)) {
foreach ($users as $user) {
if ($this->userManager->userExists($user)) {
$output->writeln("Delete versions of <info>$user</info>");
$this->deleteVersions($user, $path);
} else {
$output->writeln("<error>Unknown user $user</error>");
return 1;
}
}
} else {
$output->writeln('Delete all versions');
foreach ($this->userManager->getBackends() as $backend) {
$name = get_class($backend);
if ($backend instanceof IUserBackend) {
$name = $backend->getBackendName();
}
$output->writeln("Delete versions for users on backend <info>$name</info>");
$limit = 500;
$offset = 0;
do {
$users = $backend->getUsers('', $limit, $offset);
foreach ($users as $user) {
$output->writeln(" <info>$user</info>");
$this->deleteVersions($user);
}
$offset += $limit;
} while (count($users) >= $limit);
}
}
return 0;
}
/**
* delete versions for the given user
*
* @param string $user
* @param string|null $path
*/
protected function deleteVersions(string $user, string $path = null): void {
\OC_Util::tearDownFS();
\OC_Util::setupFS($user);
$fullPath = '/' . $user . '/files_versions' . ($path ? '/' . $path : '');
if ($this->rootFolder->nodeExists($fullPath)) {
$this->rootFolder->get($fullPath)->delete();
}
}
}
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