192 lines
6.0 KiB
PHP
192 lines
6.0 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud GmbH.
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\Files_Sharing\Command;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\Federation\ICloudIdManager;
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use OCP\IDBConnection;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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/**
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* Cleanup 'shared::' storage entries that have no matching entries in the
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* shares_external table.
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*/
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class CleanupRemoteStorages extends Command {
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/**
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* @var IDBConnection
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*/
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protected $connection;
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/**
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* @var ICloudIdManager
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*/
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private $cloudIdManager;
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public function __construct(IDBConnection $connection, ICloudIdManager $cloudIdManager) {
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$this->connection = $connection;
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$this->cloudIdManager = $cloudIdManager;
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parent::__construct();
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}
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protected function configure() {
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$this
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->setName('sharing:cleanup-remote-storages')
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->setDescription('Cleanup shared storage entries that have no matching entry in the shares_external table')
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->addOption(
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'dry-run',
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null,
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InputOption::VALUE_NONE,
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'only show which storages would be deleted'
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);
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}
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public function execute(InputInterface $input, OutputInterface $output): int {
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$remoteStorages = $this->getRemoteStorages();
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$output->writeln(count($remoteStorages) . ' remote storage(s) need(s) to be checked');
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$remoteShareIds = $this->getRemoteShareIds();
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$output->writeln(count($remoteShareIds) . ' remote share(s) exist');
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foreach ($remoteShareIds as $id => $remoteShareId) {
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if (isset($remoteStorages[$remoteShareId])) {
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if ($input->getOption('dry-run') || $output->isVerbose()) {
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$output->writeln("<info>$remoteShareId belongs to remote share $id</info>");
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}
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unset($remoteStorages[$remoteShareId]);
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} else {
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$output->writeln("<comment>$remoteShareId for share $id has no matching storage, yet</comment>");
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}
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}
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if (empty($remoteStorages)) {
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$output->writeln('<info>no storages deleted</info>');
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} else {
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$dryRun = $input->getOption('dry-run');
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foreach ($remoteStorages as $id => $numericId) {
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if ($dryRun) {
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$output->writeln("<error>$id [$numericId] can be deleted</error>");
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$this->countFiles($numericId, $output);
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} else {
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$this->deleteStorage($id, $numericId, $output);
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}
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}
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}
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return 0;
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}
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public function countFiles($numericId, OutputInterface $output) {
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$queryBuilder = $this->connection->getQueryBuilder();
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$queryBuilder->select($queryBuilder->func()->count('fileid'))
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->from('filecache')
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->where($queryBuilder->expr()->eq(
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'storage',
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$queryBuilder->createNamedParameter($numericId, IQueryBuilder::PARAM_STR),
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IQueryBuilder::PARAM_STR)
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);
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$result = $queryBuilder->execute();
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$count = $result->fetchColumn();
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$output->writeln("$count files can be deleted for storage $numericId");
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}
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public function deleteStorage($id, $numericId, OutputInterface $output) {
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$queryBuilder = $this->connection->getQueryBuilder();
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$queryBuilder->delete('storages')
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->where($queryBuilder->expr()->eq(
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'id',
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$queryBuilder->createNamedParameter($id, IQueryBuilder::PARAM_STR),
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IQueryBuilder::PARAM_STR)
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);
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$output->write("deleting $id [$numericId] ... ");
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$count = $queryBuilder->execute();
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$output->writeln("deleted $count storage");
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$this->deleteFiles($numericId, $output);
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}
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public function deleteFiles($numericId, OutputInterface $output) {
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$queryBuilder = $this->connection->getQueryBuilder();
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$queryBuilder->delete('filecache')
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->where($queryBuilder->expr()->eq(
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'storage',
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$queryBuilder->createNamedParameter($numericId, IQueryBuilder::PARAM_STR),
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IQueryBuilder::PARAM_STR)
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);
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$output->write("deleting files for storage $numericId ... ");
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$count = $queryBuilder->execute();
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$output->writeln("deleted $count files");
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}
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public function getRemoteStorages() {
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$queryBuilder = $this->connection->getQueryBuilder();
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$queryBuilder->select(['id', 'numeric_id'])
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->from('storages')
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->where($queryBuilder->expr()->like(
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'id',
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// match all 'shared::' + 32 characters storages
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$queryBuilder->createNamedParameter($this->connection->escapeLikeParameter('shared::') . str_repeat('_', 32)),
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IQueryBuilder::PARAM_STR)
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)
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->andWhere($queryBuilder->expr()->notLike(
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'id',
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// but not the ones starting with a '/', they are for normal shares
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$queryBuilder->createNamedParameter($this->connection->escapeLikeParameter('shared::/') . '%'),
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IQueryBuilder::PARAM_STR)
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)->orderBy('numeric_id');
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$query = $queryBuilder->execute();
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$remoteStorages = [];
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while ($row = $query->fetch()) {
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$remoteStorages[$row['id']] = $row['numeric_id'];
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}
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return $remoteStorages;
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}
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public function getRemoteShareIds() {
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$queryBuilder = $this->connection->getQueryBuilder();
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$queryBuilder->select(['id', 'share_token', 'owner', 'remote'])
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->from('share_external');
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$query = $queryBuilder->execute();
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$remoteShareIds = [];
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while ($row = $query->fetch()) {
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$cloudId = $this->cloudIdManager->getCloudId($row['owner'], $row['remote']);
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$remote = $cloudId->getRemote();
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$remoteShareIds[$row['id']] = 'shared::' . md5($row['share_token'] . '@' . $remote);
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}
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return $remoteShareIds;
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}
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}
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