diff options
Diffstat (limited to 'lib/private/Repair/NC13/RepairInvalidPaths.php')
-rw-r--r-- | lib/private/Repair/NC13/RepairInvalidPaths.php | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/lib/private/Repair/NC13/RepairInvalidPaths.php b/lib/private/Repair/NC13/RepairInvalidPaths.php deleted file mode 100644 index 941224012a1..00000000000 --- a/lib/private/Repair/NC13/RepairInvalidPaths.php +++ /dev/null @@ -1,197 +0,0 @@ -<?php -/** - * @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl> - * - * @author Joas Schilling <coding@schilljs.com> - * @author Lukas Reschke <lukas@statuscode.ch> - * @author Morris Jobke <hey@morrisjobke.de> - * @author Robin Appelman <robin@icewind.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 OC\Repair\NC13; - - -use OCP\DB\QueryBuilder\IQueryBuilder; -use OCP\IConfig; -use OCP\IDBConnection; -use OCP\Migration\IOutput; -use OCP\Migration\IRepairStep; - -class RepairInvalidPaths implements IRepairStep { - const MAX_ROWS = 1000; - - /** @var IDBConnection */ - private $connection; - /** @var IConfig */ - private $config; - - private $getIdQuery; - private $updateQuery; - private $reparentQuery; - private $deleteQuery; - - public function __construct(IDBConnection $connection, IConfig $config) { - $this->connection = $connection; - $this->config = $config; - } - - - public function getName() { - return 'Repair invalid paths in file cache'; - } - - /** - * @return \Generator - * @suppress SqlInjectionChecker - */ - private function getInvalidEntries() { - $builder = $this->connection->getQueryBuilder(); - - $computedPath = $builder->func()->concat( - 'p.path', - $builder->func()->concat($builder->createNamedParameter('/'), 'f.name') - ); - - //select f.path, f.parent,p.path from oc_filecache f inner join oc_filecache p on f.parent=p.fileid and p.path!='' where f.path != p.path || '/' || f.name; - $builder->select('f.fileid', 'f.path', 'f.name', 'f.parent', 'f.storage') - ->selectAlias('p.path', 'parent_path') - ->selectAlias('p.storage', 'parent_storage') - ->from('filecache', 'f') - ->innerJoin('f', 'filecache', 'p', $builder->expr()->andX( - $builder->expr()->eq('f.parent', 'p.fileid'), - $builder->expr()->nonEmptyString('p.name') - )) - ->where($builder->expr()->neq('f.path', $computedPath)) - ->setMaxResults(self::MAX_ROWS); - - do { - $result = $builder->execute(); - $rows = $result->fetchAll(); - foreach ($rows as $row) { - yield $row; - } - $result->closeCursor(); - } while (count($rows) > 0); - } - - private function getId($storage, $path) { - if (!$this->getIdQuery) { - $builder = $this->connection->getQueryBuilder(); - - $this->getIdQuery = $builder->select('fileid') - ->from('filecache') - ->where($builder->expr()->eq('storage', $builder->createParameter('storage'))) - ->andWhere($builder->expr()->eq('path_hash', $builder->createParameter('path_hash'))); - } - - $this->getIdQuery->setParameter('storage', $storage, IQueryBuilder::PARAM_INT); - $this->getIdQuery->setParameter('path_hash', md5($path)); - - return $this->getIdQuery->execute()->fetchColumn(); - } - - /** - * @param string $fileid - * @param string $newPath - * @param string $newStorage - * @suppress SqlInjectionChecker - */ - private function update($fileid, $newPath, $newStorage) { - if (!$this->updateQuery) { - $builder = $this->connection->getQueryBuilder(); - - $this->updateQuery = $builder->update('filecache') - ->set('path', $builder->createParameter('newpath')) - ->set('path_hash', $builder->func()->md5($builder->createParameter('newpath'))) - ->set('storage', $builder->createParameter('newstorage')) - ->where($builder->expr()->eq('fileid', $builder->createParameter('fileid'))); - } - - $this->updateQuery->setParameter('newpath', $newPath); - $this->updateQuery->setParameter('newstorage', $newStorage); - $this->updateQuery->setParameter('fileid', $fileid, IQueryBuilder::PARAM_INT); - - $this->updateQuery->execute(); - } - - private function reparent($from, $to) { - if (!$this->reparentQuery) { - $builder = $this->connection->getQueryBuilder(); - - $this->reparentQuery = $builder->update('filecache') - ->set('parent', $builder->createParameter('to')) - ->where($builder->expr()->eq('fileid', $builder->createParameter('from'))); - } - - $this->reparentQuery->setParameter('from', $from); - $this->reparentQuery->setParameter('to', $to); - - $this->reparentQuery->execute(); - } - - private function delete($fileid) { - if (!$this->deleteQuery) { - $builder = $this->connection->getQueryBuilder(); - - $this->deleteQuery = $builder->delete('filecache') - ->where($builder->expr()->eq('fileid', $builder->createParameter('fileid'))); - } - - $this->deleteQuery->setParameter('fileid', $fileid, IQueryBuilder::PARAM_INT); - - $this->deleteQuery->execute(); - } - - private function repair() { - $this->connection->beginTransaction(); - $entries = $this->getInvalidEntries(); - $count = 0; - foreach ($entries as $entry) { - $count++; - $calculatedPath = $entry['parent_path'] . '/' . $entry['name']; - if ($newId = $this->getId($entry['parent_storage'], $calculatedPath)) { - // a new entry with the correct path has already been created, reuse that one and delete the incorrect entry - $this->reparent($entry['fileid'], $newId); - $this->delete($entry['fileid']); - } else { - $this->update($entry['fileid'], $calculatedPath, $entry['parent_storage']); - } - } - $this->connection->commit(); - return $count; - } - - private function shouldRun() { - $versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0'); - - // was added to 11.0.5.2, 12.0.0.30 and 13.0.0.1 - $shouldRun = version_compare($versionFromBeforeUpdate, '11.0.5.2', '<'); - $shouldRun |= version_compare($versionFromBeforeUpdate, '12.0.0.0', '>=') && version_compare($versionFromBeforeUpdate, '12.0.0.30', '<'); - $shouldRun |= version_compare($versionFromBeforeUpdate, '13.0.0.0', '=='); - return $shouldRun; - } - - public function run(IOutput $output) { - if ($this->shouldRun()) { - $count = $this->repair(); - - $output->info('Repaired ' . $count . ' paths'); - } - } -} |