1002 lines
30 KiB
PHP
1002 lines
30 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Andreas Fischer <bantu@owncloud.com>
|
|
* @author Ari Selseng <ari@selseng.net>
|
|
* @author Artem Kochnev <MrJeos@gmail.com>
|
|
* @author Björn Schießle <bjoern@schiessle.org>
|
|
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
|
|
* @author Florin Peter <github@florin-peter.de>
|
|
* @author Frédéric Fortier <frederic.fortier@oronospolytechnique.com>
|
|
* @author Jens-Christian Fischer <jens-christian.fischer@switch.ch>
|
|
* @author Joas Schilling <coding@schilljs.com>
|
|
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
|
|
* @author Lukas Reschke <lukas@statuscode.ch>
|
|
* @author Michael Gapczynski <GapczynskiM@gmail.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Robin Appelman <robin@icewind.nl>
|
|
* @author Robin McCorkell <robin@mccorkell.me.uk>
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
|
* @author Vincent Petry <pvince81@owncloud.com>
|
|
*
|
|
* @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 OC\Files\Cache;
|
|
|
|
use Doctrine\DBAL\Driver\Statement;
|
|
use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
|
|
use OCP\DB\QueryBuilder\IQueryBuilder;
|
|
use OCP\Files\Cache\CacheInsertEvent;
|
|
use OCP\Files\Cache\CacheUpdateEvent;
|
|
use OCP\Files\Cache\ICache;
|
|
use OCP\Files\Cache\ICacheEntry;
|
|
use OCP\Files\FileInfo;
|
|
use OCP\Files\IMimeTypeLoader;
|
|
use OCP\Files\Search\ISearchQuery;
|
|
use OCP\Files\Storage\IStorage;
|
|
use OCP\IDBConnection;
|
|
|
|
/**
|
|
* Metadata cache for a storage
|
|
*
|
|
* The cache stores the metadata for all files and folders in a storage and is kept up to date trough the following mechanisms:
|
|
*
|
|
* - Scanner: scans the storage and updates the cache where needed
|
|
* - Watcher: checks for changes made to the filesystem outside of the ownCloud instance and rescans files and folder when a change is detected
|
|
* - Updater: listens to changes made to the filesystem inside of the ownCloud instance and updates the cache where needed
|
|
* - ChangePropagator: updates the mtime and etags of parent folders whenever a change to the cache is made to the cache by the updater
|
|
*/
|
|
class Cache implements ICache {
|
|
use MoveFromCacheTrait {
|
|
MoveFromCacheTrait::moveFromCache as moveFromCacheFallback;
|
|
}
|
|
|
|
/**
|
|
* @var array partial data for the cache
|
|
*/
|
|
protected $partial = [];
|
|
|
|
/**
|
|
* @var string
|
|
*/
|
|
protected $storageId;
|
|
|
|
private $storage;
|
|
|
|
/**
|
|
* @var Storage $storageCache
|
|
*/
|
|
protected $storageCache;
|
|
|
|
/** @var IMimeTypeLoader */
|
|
protected $mimetypeLoader;
|
|
|
|
/**
|
|
* @var IDBConnection
|
|
*/
|
|
protected $connection;
|
|
|
|
protected $eventDispatcher;
|
|
|
|
/** @var QuerySearchHelper */
|
|
protected $querySearchHelper;
|
|
|
|
/**
|
|
* @param IStorage $storage
|
|
*/
|
|
public function __construct(IStorage $storage) {
|
|
$this->storageId = $storage->getId();
|
|
$this->storage = $storage;
|
|
if (strlen($this->storageId) > 64) {
|
|
$this->storageId = md5($this->storageId);
|
|
}
|
|
|
|
$this->storageCache = new Storage($storage);
|
|
$this->mimetypeLoader = \OC::$server->getMimeTypeLoader();
|
|
$this->connection = \OC::$server->getDatabaseConnection();
|
|
$this->eventDispatcher = \OC::$server->getEventDispatcher();
|
|
$this->querySearchHelper = new QuerySearchHelper($this->mimetypeLoader);
|
|
}
|
|
|
|
private function getQueryBuilder() {
|
|
return new CacheQueryBuilder(
|
|
$this->connection,
|
|
\OC::$server->getSystemConfig(),
|
|
\OC::$server->getLogger(),
|
|
$this
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get the numeric storage id for this cache's storage
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getNumericStorageId() {
|
|
return $this->storageCache->getNumericId();
|
|
}
|
|
|
|
/**
|
|
* get the stored metadata of a file or folder
|
|
*
|
|
* @param string | int $file either the path of a file or folder or the file id for a file or folder
|
|
* @return ICacheEntry|false the cache entry as array of false if the file is not found in the cache
|
|
*/
|
|
public function get($file) {
|
|
$query = $this->getQueryBuilder();
|
|
$query->selectFileCache();
|
|
|
|
if (is_string($file) or $file == '') {
|
|
// normalize file
|
|
$file = $this->normalize($file);
|
|
|
|
$query->whereStorageId()
|
|
->wherePath($file);
|
|
} else { //file id
|
|
$query->whereFileId($file);
|
|
}
|
|
|
|
$data = $query->execute()->fetch();
|
|
|
|
//merge partial data
|
|
if (!$data and is_string($file) and isset($this->partial[$file])) {
|
|
return $this->partial[$file];
|
|
} elseif (!$data) {
|
|
return $data;
|
|
} else {
|
|
return self::cacheEntryFromData($data, $this->mimetypeLoader);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a CacheEntry from database row
|
|
*
|
|
* @param array $data
|
|
* @param IMimeTypeLoader $mimetypeLoader
|
|
* @return CacheEntry
|
|
*/
|
|
public static function cacheEntryFromData($data, IMimeTypeLoader $mimetypeLoader) {
|
|
//fix types
|
|
$data['fileid'] = (int)$data['fileid'];
|
|
$data['parent'] = (int)$data['parent'];
|
|
$data['size'] = 0 + $data['size'];
|
|
$data['mtime'] = (int)$data['mtime'];
|
|
$data['storage_mtime'] = (int)$data['storage_mtime'];
|
|
$data['encryptedVersion'] = (int)$data['encrypted'];
|
|
$data['encrypted'] = (bool)$data['encrypted'];
|
|
$data['storage_id'] = $data['storage'];
|
|
$data['storage'] = (int)$data['storage'];
|
|
$data['mimetype'] = $mimetypeLoader->getMimetypeById($data['mimetype']);
|
|
$data['mimepart'] = $mimetypeLoader->getMimetypeById($data['mimepart']);
|
|
if ($data['storage_mtime'] == 0) {
|
|
$data['storage_mtime'] = $data['mtime'];
|
|
}
|
|
$data['permissions'] = (int)$data['permissions'];
|
|
if (isset($data['creation_time'])) {
|
|
$data['creation_time'] = (int) $data['creation_time'];
|
|
}
|
|
if (isset($data['upload_time'])) {
|
|
$data['upload_time'] = (int) $data['upload_time'];
|
|
}
|
|
return new CacheEntry($data);
|
|
}
|
|
|
|
/**
|
|
* get the metadata of all files stored in $folder
|
|
*
|
|
* @param string $folder
|
|
* @return ICacheEntry[]
|
|
*/
|
|
public function getFolderContents($folder) {
|
|
$fileId = $this->getId($folder);
|
|
return $this->getFolderContentsById($fileId);
|
|
}
|
|
|
|
/**
|
|
* get the metadata of all files stored in $folder
|
|
*
|
|
* @param int $fileId the file id of the folder
|
|
* @return ICacheEntry[]
|
|
*/
|
|
public function getFolderContentsById($fileId) {
|
|
if ($fileId > -1) {
|
|
$query = $this->getQueryBuilder();
|
|
$query->selectFileCache()
|
|
->whereParent($fileId)
|
|
->orderBy('name', 'ASC');
|
|
|
|
$files = $query->execute()->fetchAll();
|
|
return array_map(function (array $data) {
|
|
return self::cacheEntryFromData($data, $this->mimetypeLoader);
|
|
}, $files);
|
|
}
|
|
return [];
|
|
}
|
|
|
|
/**
|
|
* insert or update meta data for a file or folder
|
|
*
|
|
* @param string $file
|
|
* @param array $data
|
|
*
|
|
* @return int file id
|
|
* @throws \RuntimeException
|
|
*/
|
|
public function put($file, array $data) {
|
|
if (($id = $this->getId($file)) > -1) {
|
|
$this->update($id, $data);
|
|
return $id;
|
|
} else {
|
|
return $this->insert($file, $data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* insert meta data for a new file or folder
|
|
*
|
|
* @param string $file
|
|
* @param array $data
|
|
*
|
|
* @return int file id
|
|
* @throws \RuntimeException
|
|
*/
|
|
public function insert($file, array $data) {
|
|
// normalize file
|
|
$file = $this->normalize($file);
|
|
|
|
if (isset($this->partial[$file])) { //add any saved partial data
|
|
$data = array_merge($this->partial[$file], $data);
|
|
unset($this->partial[$file]);
|
|
}
|
|
|
|
$requiredFields = ['size', 'mtime', 'mimetype'];
|
|
foreach ($requiredFields as $field) {
|
|
if (!isset($data[$field])) { //data not complete save as partial and return
|
|
$this->partial[$file] = $data;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
$data['path'] = $file;
|
|
if (!isset($data['parent'])) {
|
|
$data['parent'] = $this->getParentId($file);
|
|
}
|
|
$data['name'] = basename($file);
|
|
|
|
[$values, $extensionValues] = $this->normalizeData($data);
|
|
$values['storage'] = $this->getNumericStorageId();
|
|
|
|
try {
|
|
$builder = $this->connection->getQueryBuilder();
|
|
$builder->insert('filecache');
|
|
|
|
foreach ($values as $column => $value) {
|
|
$builder->setValue($column, $builder->createNamedParameter($value));
|
|
}
|
|
|
|
if ($builder->execute()) {
|
|
$fileId = $builder->getLastInsertId();
|
|
|
|
if (count($extensionValues)) {
|
|
$query = $this->getQueryBuilder();
|
|
$query->insert('filecache_extended');
|
|
|
|
$query->setValue('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT));
|
|
foreach ($extensionValues as $column => $value) {
|
|
$query->setValue($column, $query->createNamedParameter($value));
|
|
}
|
|
$query->execute();
|
|
}
|
|
|
|
$this->eventDispatcher->dispatch(CacheInsertEvent::class, new CacheInsertEvent($this->storage, $file, $fileId));
|
|
return $fileId;
|
|
}
|
|
} catch (UniqueConstraintViolationException $e) {
|
|
// entry exists already
|
|
if ($this->connection->inTransaction()) {
|
|
$this->connection->commit();
|
|
$this->connection->beginTransaction();
|
|
}
|
|
}
|
|
|
|
// The file was created in the mean time
|
|
if (($id = $this->getId($file)) > -1) {
|
|
$this->update($id, $data);
|
|
return $id;
|
|
} else {
|
|
throw new \RuntimeException('File entry could not be inserted but could also not be selected with getId() in order to perform an update. Please try again.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* update the metadata of an existing file or folder in the cache
|
|
*
|
|
* @param int $id the fileid of the existing file or folder
|
|
* @param array $data [$key => $value] the metadata to update, only the fields provided in the array will be updated, non-provided values will remain unchanged
|
|
*/
|
|
public function update($id, array $data) {
|
|
if (isset($data['path'])) {
|
|
// normalize path
|
|
$data['path'] = $this->normalize($data['path']);
|
|
}
|
|
|
|
if (isset($data['name'])) {
|
|
// normalize path
|
|
$data['name'] = $this->normalize($data['name']);
|
|
}
|
|
|
|
[$values, $extensionValues] = $this->normalizeData($data);
|
|
|
|
if (count($values)) {
|
|
$query = $this->getQueryBuilder();
|
|
|
|
$query->update('filecache')
|
|
->whereFileId($id)
|
|
->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) {
|
|
return $query->expr()->orX(
|
|
$query->expr()->neq($key, $query->createNamedParameter($value)),
|
|
$query->expr()->isNull($key)
|
|
);
|
|
}, array_keys($values), array_values($values))));
|
|
|
|
foreach ($values as $key => $value) {
|
|
$query->set($key, $query->createNamedParameter($value));
|
|
}
|
|
|
|
$query->execute();
|
|
}
|
|
|
|
if (count($extensionValues)) {
|
|
try {
|
|
$query = $this->getQueryBuilder();
|
|
$query->insert('filecache_extended');
|
|
|
|
$query->setValue('fileid', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT));
|
|
foreach ($extensionValues as $column => $value) {
|
|
$query->setValue($column, $query->createNamedParameter($value));
|
|
}
|
|
|
|
$query->execute();
|
|
} catch (UniqueConstraintViolationException $e) {
|
|
$query = $this->getQueryBuilder();
|
|
$query->update('filecache_extended')
|
|
->whereFileId($id)
|
|
->andWhere($query->expr()->orX(...array_map(function ($key, $value) use ($query) {
|
|
return $query->expr()->orX(
|
|
$query->expr()->neq($key, $query->createNamedParameter($value)),
|
|
$query->expr()->isNull($key)
|
|
);
|
|
}, array_keys($extensionValues), array_values($extensionValues))));
|
|
|
|
foreach ($extensionValues as $key => $value) {
|
|
$query->set($key, $query->createNamedParameter($value));
|
|
}
|
|
|
|
$query->execute();
|
|
}
|
|
}
|
|
|
|
$path = $this->getPathById($id);
|
|
// path can still be null if the file doesn't exist
|
|
if ($path !== null) {
|
|
$this->eventDispatcher->dispatch(CacheUpdateEvent::class, new CacheUpdateEvent($this->storage, $path, $id));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* extract query parts and params array from data array
|
|
*
|
|
* @param array $data
|
|
* @return array
|
|
*/
|
|
protected function normalizeData(array $data): array {
|
|
$fields = [
|
|
'path', 'parent', 'name', 'mimetype', 'size', 'mtime', 'storage_mtime', 'encrypted',
|
|
'etag', 'permissions', 'checksum', 'storage'];
|
|
$extensionFields = ['metadata_etag', 'creation_time', 'upload_time'];
|
|
|
|
$doNotCopyStorageMTime = false;
|
|
if (array_key_exists('mtime', $data) && $data['mtime'] === null) {
|
|
// this horrific magic tells it to not copy storage_mtime to mtime
|
|
unset($data['mtime']);
|
|
$doNotCopyStorageMTime = true;
|
|
}
|
|
|
|
$params = [];
|
|
$extensionParams = [];
|
|
foreach ($data as $name => $value) {
|
|
if (array_search($name, $fields) !== false) {
|
|
if ($name === 'path') {
|
|
$params['path_hash'] = md5($value);
|
|
} elseif ($name === 'mimetype') {
|
|
$params['mimepart'] = $this->mimetypeLoader->getId(substr($value, 0, strpos($value, '/')));
|
|
$value = $this->mimetypeLoader->getId($value);
|
|
} elseif ($name === 'storage_mtime') {
|
|
if (!$doNotCopyStorageMTime && !isset($data['mtime'])) {
|
|
$params['mtime'] = $value;
|
|
}
|
|
} elseif ($name === 'encrypted') {
|
|
if (isset($data['encryptedVersion'])) {
|
|
$value = $data['encryptedVersion'];
|
|
} else {
|
|
// Boolean to integer conversion
|
|
$value = $value ? 1 : 0;
|
|
}
|
|
}
|
|
$params[$name] = $value;
|
|
}
|
|
if (array_search($name, $extensionFields) !== false) {
|
|
$extensionParams[$name] = $value;
|
|
}
|
|
}
|
|
return [$params, array_filter($extensionParams)];
|
|
}
|
|
|
|
/**
|
|
* get the file id for a file
|
|
*
|
|
* A file id is a numeric id for a file or folder that's unique within an owncloud instance which stays the same for the lifetime of a file
|
|
*
|
|
* File ids are easiest way for apps to store references to a file since unlike paths they are not affected by renames or sharing
|
|
*
|
|
* @param string $file
|
|
* @return int
|
|
*/
|
|
public function getId($file) {
|
|
// normalize file
|
|
$file = $this->normalize($file);
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->select('fileid')
|
|
->from('filecache')
|
|
->whereStorageId()
|
|
->wherePath($file);
|
|
|
|
$id = $query->execute()->fetchColumn();
|
|
return $id === false ? -1 : (int)$id;
|
|
}
|
|
|
|
/**
|
|
* get the id of the parent folder of a file
|
|
*
|
|
* @param string $file
|
|
* @return int
|
|
*/
|
|
public function getParentId($file) {
|
|
if ($file === '') {
|
|
return -1;
|
|
} else {
|
|
$parent = $this->getParentPath($file);
|
|
return (int)$this->getId($parent);
|
|
}
|
|
}
|
|
|
|
private function getParentPath($path) {
|
|
$parent = dirname($path);
|
|
if ($parent === '.') {
|
|
$parent = '';
|
|
}
|
|
return $parent;
|
|
}
|
|
|
|
/**
|
|
* check if a file is available in the cache
|
|
*
|
|
* @param string $file
|
|
* @return bool
|
|
*/
|
|
public function inCache($file) {
|
|
return $this->getId($file) != -1;
|
|
}
|
|
|
|
/**
|
|
* remove a file or folder from the cache
|
|
*
|
|
* when removing a folder from the cache all files and folders inside the folder will be removed as well
|
|
*
|
|
* @param string $file
|
|
*/
|
|
public function remove($file) {
|
|
$entry = $this->get($file);
|
|
|
|
if ($entry) {
|
|
$query = $this->getQueryBuilder();
|
|
$query->delete('filecache')
|
|
->whereFileId($entry->getId());
|
|
$query->execute();
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->delete('filecache_extended')
|
|
->whereFileId($entry->getId());
|
|
$query->execute();
|
|
|
|
if ($entry->getMimeType() == FileInfo::MIMETYPE_FOLDER) {
|
|
$this->removeChildren($entry);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get all sub folders of a folder
|
|
*
|
|
* @param ICacheEntry $entry the cache entry of the folder to get the subfolders for
|
|
* @return ICacheEntry[] the cache entries for the subfolders
|
|
*/
|
|
private function getSubFolders(ICacheEntry $entry) {
|
|
$children = $this->getFolderContentsById($entry->getId());
|
|
return array_filter($children, function ($child) {
|
|
return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Recursively remove all children of a folder
|
|
*
|
|
* @param ICacheEntry $entry the cache entry of the folder to remove the children of
|
|
* @throws \OC\DatabaseException
|
|
*/
|
|
private function removeChildren(ICacheEntry $entry) {
|
|
$parentIds = [$entry->getId()];
|
|
$queue = [$entry->getId()];
|
|
|
|
// we walk depth first trough the file tree, removing all filecache_extended attributes while we walk
|
|
// and collecting all folder ids to later use to delete the filecache entries
|
|
while ($entryId = array_pop($queue)) {
|
|
$children = $this->getFolderContentsById($entryId);
|
|
$childIds = array_map(function (ICacheEntry $cacheEntry) {
|
|
return $cacheEntry->getId();
|
|
}, $children);
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->delete('filecache_extended')
|
|
->where($query->expr()->in('fileid', $query->createNamedParameter($childIds, IQueryBuilder::PARAM_INT_ARRAY)));
|
|
$query->execute();
|
|
|
|
/** @var ICacheEntry[] $childFolders */
|
|
$childFolders = array_filter($children, function ($child) {
|
|
return $child->getMimeType() == FileInfo::MIMETYPE_FOLDER;
|
|
});
|
|
foreach ($childFolders as $folder) {
|
|
$parentIds[] = $folder->getId();
|
|
$queue[] = $folder->getId();
|
|
}
|
|
}
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->delete('filecache')
|
|
->whereParentIn($parentIds);
|
|
$query->execute();
|
|
}
|
|
|
|
/**
|
|
* Move a file or folder in the cache
|
|
*
|
|
* @param string $source
|
|
* @param string $target
|
|
*/
|
|
public function move($source, $target) {
|
|
$this->moveFromCache($this, $source, $target);
|
|
}
|
|
|
|
/**
|
|
* Get the storage id and path needed for a move
|
|
*
|
|
* @param string $path
|
|
* @return array [$storageId, $internalPath]
|
|
*/
|
|
protected function getMoveInfo($path) {
|
|
return [$this->getNumericStorageId(), $path];
|
|
}
|
|
|
|
/**
|
|
* Move a file or folder in the cache
|
|
*
|
|
* @param \OCP\Files\Cache\ICache $sourceCache
|
|
* @param string $sourcePath
|
|
* @param string $targetPath
|
|
* @throws \OC\DatabaseException
|
|
* @throws \Exception if the given storages have an invalid id
|
|
*/
|
|
public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
|
|
if ($sourceCache instanceof Cache) {
|
|
// normalize source and target
|
|
$sourcePath = $this->normalize($sourcePath);
|
|
$targetPath = $this->normalize($targetPath);
|
|
|
|
$sourceData = $sourceCache->get($sourcePath);
|
|
$sourceId = $sourceData['fileid'];
|
|
$newParentId = $this->getParentId($targetPath);
|
|
|
|
[$sourceStorageId, $sourcePath] = $sourceCache->getMoveInfo($sourcePath);
|
|
[$targetStorageId, $targetPath] = $this->getMoveInfo($targetPath);
|
|
|
|
if (is_null($sourceStorageId) || $sourceStorageId === false) {
|
|
throw new \Exception('Invalid source storage id: ' . $sourceStorageId);
|
|
}
|
|
if (is_null($targetStorageId) || $targetStorageId === false) {
|
|
throw new \Exception('Invalid target storage id: ' . $targetStorageId);
|
|
}
|
|
|
|
$this->connection->beginTransaction();
|
|
if ($sourceData['mimetype'] === 'httpd/unix-directory') {
|
|
//update all child entries
|
|
$sourceLength = mb_strlen($sourcePath);
|
|
$query = $this->connection->getQueryBuilder();
|
|
|
|
$fun = $query->func();
|
|
$newPathFunction = $fun->concat(
|
|
$query->createNamedParameter($targetPath),
|
|
$fun->substring('path', $query->createNamedParameter($sourceLength + 1, IQueryBuilder::PARAM_INT))// +1 for the leading slash
|
|
);
|
|
$query->update('filecache')
|
|
->set('storage', $query->createNamedParameter($targetStorageId, IQueryBuilder::PARAM_INT))
|
|
->set('path_hash', $fun->md5($newPathFunction))
|
|
->set('path', $newPathFunction)
|
|
->where($query->expr()->eq('storage', $query->createNamedParameter($sourceStorageId, IQueryBuilder::PARAM_INT)))
|
|
->andWhere($query->expr()->like('path', $query->createNamedParameter($this->connection->escapeLikeParameter($sourcePath) . '/%')));
|
|
|
|
try {
|
|
$query->execute();
|
|
} catch (\OC\DatabaseException $e) {
|
|
$this->connection->rollBack();
|
|
throw $e;
|
|
}
|
|
}
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->update('filecache')
|
|
->set('storage', $query->createNamedParameter($targetStorageId))
|
|
->set('path', $query->createNamedParameter($targetPath))
|
|
->set('path_hash', $query->createNamedParameter(md5($targetPath)))
|
|
->set('name', $query->createNamedParameter(basename($targetPath)))
|
|
->set('parent', $query->createNamedParameter($newParentId, IQueryBuilder::PARAM_INT))
|
|
->whereFileId($sourceId);
|
|
$query->execute();
|
|
|
|
$this->connection->commit();
|
|
} else {
|
|
$this->moveFromCacheFallback($sourceCache, $sourcePath, $targetPath);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* remove all entries for files that are stored on the storage from the cache
|
|
*/
|
|
public function clear() {
|
|
$query = $this->getQueryBuilder();
|
|
$query->delete('filecache')
|
|
->whereStorageId();
|
|
$query->execute();
|
|
|
|
$query = $this->connection->getQueryBuilder();
|
|
$query->delete('storages')
|
|
->where($query->expr()->eq('id', $query->createNamedParameter($this->storageId)));
|
|
$query->execute();
|
|
}
|
|
|
|
/**
|
|
* Get the scan status of a file
|
|
*
|
|
* - Cache::NOT_FOUND: File is not in the cache
|
|
* - Cache::PARTIAL: File is not stored in the cache but some incomplete data is known
|
|
* - Cache::SHALLOW: The folder and it's direct children are in the cache but not all sub folders are fully scanned
|
|
* - Cache::COMPLETE: The file or folder, with all it's children) are fully scanned
|
|
*
|
|
* @param string $file
|
|
*
|
|
* @return int Cache::NOT_FOUND, Cache::PARTIAL, Cache::SHALLOW or Cache::COMPLETE
|
|
*/
|
|
public function getStatus($file) {
|
|
// normalize file
|
|
$file = $this->normalize($file);
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->select('size')
|
|
->from('filecache')
|
|
->whereStorageId()
|
|
->wherePath($file);
|
|
$size = $query->execute()->fetchColumn();
|
|
if ($size !== false) {
|
|
if ((int)$size === -1) {
|
|
return self::SHALLOW;
|
|
} else {
|
|
return self::COMPLETE;
|
|
}
|
|
} else {
|
|
if (isset($this->partial[$file])) {
|
|
return self::PARTIAL;
|
|
} else {
|
|
return self::NOT_FOUND;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* search for files matching $pattern
|
|
*
|
|
* @param string $pattern the search pattern using SQL search syntax (e.g. '%searchstring%')
|
|
* @return ICacheEntry[] an array of cache entries where the name matches the search pattern
|
|
*/
|
|
public function search($pattern) {
|
|
// normalize pattern
|
|
$pattern = $this->normalize($pattern);
|
|
|
|
if ($pattern === '%%') {
|
|
return [];
|
|
}
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->selectFileCache()
|
|
->whereStorageId()
|
|
->andWhere($query->expr()->iLike('name', $query->createNamedParameter($pattern)));
|
|
|
|
return array_map(function (array $data) {
|
|
return self::cacheEntryFromData($data, $this->mimetypeLoader);
|
|
}, $query->execute()->fetchAll());
|
|
}
|
|
|
|
/**
|
|
* @param Statement $result
|
|
* @return CacheEntry[]
|
|
*/
|
|
private function searchResultToCacheEntries(Statement $result) {
|
|
$files = $result->fetchAll();
|
|
|
|
return array_map(function (array $data) {
|
|
return self::cacheEntryFromData($data, $this->mimetypeLoader);
|
|
}, $files);
|
|
}
|
|
|
|
/**
|
|
* search for files by mimetype
|
|
*
|
|
* @param string $mimetype either a full mimetype to search ('text/plain') or only the first part of a mimetype ('image')
|
|
* where it will search for all mimetypes in the group ('image/*')
|
|
* @return ICacheEntry[] an array of cache entries where the mimetype matches the search
|
|
*/
|
|
public function searchByMime($mimetype) {
|
|
$mimeId = $this->mimetypeLoader->getId($mimetype);
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->selectFileCache()
|
|
->whereStorageId();
|
|
|
|
if (strpos($mimetype, '/')) {
|
|
$query->andWhere($query->expr()->eq('mimetype', $query->createNamedParameter($mimeId, IQueryBuilder::PARAM_INT)));
|
|
} else {
|
|
$query->andWhere($query->expr()->eq('mimepart', $query->createNamedParameter($mimeId, IQueryBuilder::PARAM_INT)));
|
|
}
|
|
|
|
return array_map(function (array $data) {
|
|
return self::cacheEntryFromData($data, $this->mimetypeLoader);
|
|
}, $query->execute()->fetchAll());
|
|
}
|
|
|
|
public function searchQuery(ISearchQuery $searchQuery) {
|
|
$builder = $this->getQueryBuilder();
|
|
|
|
$query = $builder->selectFileCache('file');
|
|
|
|
$query->whereStorageId();
|
|
|
|
if ($this->querySearchHelper->shouldJoinTags($searchQuery->getSearchOperation())) {
|
|
$query
|
|
->innerJoin('file', 'vcategory_to_object', 'tagmap', $builder->expr()->eq('file.fileid', 'tagmap.objid'))
|
|
->innerJoin('tagmap', 'vcategory', 'tag', $builder->expr()->andX(
|
|
$builder->expr()->eq('tagmap.type', 'tag.type'),
|
|
$builder->expr()->eq('tagmap.categoryid', 'tag.id')
|
|
))
|
|
->andWhere($builder->expr()->eq('tag.type', $builder->createNamedParameter('files')))
|
|
->andWhere($builder->expr()->eq('tag.uid', $builder->createNamedParameter($searchQuery->getUser()->getUID())));
|
|
}
|
|
|
|
$searchExpr = $this->querySearchHelper->searchOperatorToDBExpr($builder, $searchQuery->getSearchOperation());
|
|
if ($searchExpr) {
|
|
$query->andWhere($searchExpr);
|
|
}
|
|
|
|
if ($searchQuery->limitToHome() && ($this instanceof HomeCache)) {
|
|
$query->andWhere($builder->expr()->like('path', $query->expr()->literal('files/%')));
|
|
}
|
|
|
|
$this->querySearchHelper->addSearchOrdersToQuery($query, $searchQuery->getOrder());
|
|
|
|
if ($searchQuery->getLimit()) {
|
|
$query->setMaxResults($searchQuery->getLimit());
|
|
}
|
|
if ($searchQuery->getOffset()) {
|
|
$query->setFirstResult($searchQuery->getOffset());
|
|
}
|
|
|
|
$result = $query->execute();
|
|
return $this->searchResultToCacheEntries($result);
|
|
}
|
|
|
|
/**
|
|
* Re-calculate the folder size and the size of all parent folders
|
|
*
|
|
* @param string|boolean $path
|
|
* @param array $data (optional) meta data of the folder
|
|
*/
|
|
public function correctFolderSize($path, $data = null, $isBackgroundScan = false) {
|
|
$this->calculateFolderSize($path, $data);
|
|
if ($path !== '') {
|
|
$parent = dirname($path);
|
|
if ($parent === '.' or $parent === '/') {
|
|
$parent = '';
|
|
}
|
|
if ($isBackgroundScan) {
|
|
$parentData = $this->get($parent);
|
|
if ($parentData['size'] !== -1 && $this->getIncompleteChildrenCount($parentData['fileid']) === 0) {
|
|
$this->correctFolderSize($parent, $parentData, $isBackgroundScan);
|
|
}
|
|
} else {
|
|
$this->correctFolderSize($parent);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get the incomplete count that shares parent $folder
|
|
*
|
|
* @param int $fileId the file id of the folder
|
|
* @return int
|
|
*/
|
|
public function getIncompleteChildrenCount($fileId) {
|
|
if ($fileId > -1) {
|
|
$query = $this->getQueryBuilder();
|
|
$query->select($query->func()->count())
|
|
->from('filecache')
|
|
->whereParent($fileId)
|
|
->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)));
|
|
|
|
return (int)$query->execute()->fetchColumn();
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* calculate the size of a folder and set it in the cache
|
|
*
|
|
* @param string $path
|
|
* @param array $entry (optional) meta data of the folder
|
|
* @return int
|
|
*/
|
|
public function calculateFolderSize($path, $entry = null) {
|
|
$totalSize = 0;
|
|
if (is_null($entry) or !isset($entry['fileid'])) {
|
|
$entry = $this->get($path);
|
|
}
|
|
if (isset($entry['mimetype']) && $entry['mimetype'] === FileInfo::MIMETYPE_FOLDER) {
|
|
$id = $entry['fileid'];
|
|
|
|
$query = $this->getQueryBuilder();
|
|
$query->selectAlias($query->func()->sum('size'), 'f1')
|
|
->selectAlias($query->func()->min('size'), 'f2')
|
|
->from('filecache')
|
|
->whereStorageId()
|
|
->whereParent($id);
|
|
|
|
if ($row = $query->execute()->fetch()) {
|
|
[$sum, $min] = array_values($row);
|
|
$sum = 0 + $sum;
|
|
$min = 0 + $min;
|
|
if ($min === -1) {
|
|
$totalSize = $min;
|
|
} else {
|
|
$totalSize = $sum;
|
|
}
|
|
if ($entry['size'] !== $totalSize) {
|
|
$this->update($id, ['size' => $totalSize]);
|
|
}
|
|
}
|
|
}
|
|
return $totalSize;
|
|
}
|
|
|
|
/**
|
|
* get all file ids on the files on the storage
|
|
*
|
|
* @return int[]
|
|
*/
|
|
public function getAll() {
|
|
$query = $this->getQueryBuilder();
|
|
$query->select('fileid')
|
|
->from('filecache')
|
|
->whereStorageId();
|
|
|
|
return array_map(function ($id) {
|
|
return (int)$id;
|
|
}, $query->execute()->fetchAll(\PDO::FETCH_COLUMN));
|
|
}
|
|
|
|
/**
|
|
* find a folder in the cache which has not been fully scanned
|
|
*
|
|
* If multiple incomplete folders are in the cache, the one with the highest id will be returned,
|
|
* use the one with the highest id gives the best result with the background scanner, since that is most
|
|
* likely the folder where we stopped scanning previously
|
|
*
|
|
* @return string|bool the path of the folder or false when no folder matched
|
|
*/
|
|
public function getIncomplete() {
|
|
$query = $this->getQueryBuilder();
|
|
$query->select('path')
|
|
->from('filecache')
|
|
->whereStorageId()
|
|
->andWhere($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
|
|
->orderBy('fileid', 'DESC');
|
|
|
|
return $query->execute()->fetchColumn();
|
|
}
|
|
|
|
/**
|
|
* get the path of a file on this storage by it's file id
|
|
*
|
|
* @param int $id the file id of the file or folder to search
|
|
* @return string|null the path of the file (relative to the storage) or null if a file with the given id does not exists within this cache
|
|
*/
|
|
public function getPathById($id) {
|
|
$query = $this->getQueryBuilder();
|
|
$query->select('path')
|
|
->from('filecache')
|
|
->whereStorageId()
|
|
->whereFileId($id);
|
|
|
|
$path = $query->execute()->fetchColumn();
|
|
return $path === false ? null : $path;
|
|
}
|
|
|
|
/**
|
|
* get the storage id of the storage for a file and the internal path of the file
|
|
* unlike getPathById this does not limit the search to files on this storage and
|
|
* instead does a global search in the cache table
|
|
*
|
|
* @param int $id
|
|
* @return array first element holding the storage id, second the path
|
|
* @deprecated use getPathById() instead
|
|
*/
|
|
public static function getById($id) {
|
|
$query = \OC::$server->getDatabaseConnection()->getQueryBuilder();
|
|
$query->select('path', 'storage')
|
|
->from('filecache')
|
|
->where($query->expr()->eq('fileid', $query->createNamedParameter($id, IQueryBuilder::PARAM_INT)));
|
|
if ($row = $query->execute()->fetch()) {
|
|
$numericId = $row['storage'];
|
|
$path = $row['path'];
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
if ($id = Storage::getStorageId($numericId)) {
|
|
return [$id, $path];
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* normalize the given path
|
|
*
|
|
* @param string $path
|
|
* @return string
|
|
*/
|
|
public function normalize($path) {
|
|
return trim(\OC_Util::normalizeUnicode($path), '/');
|
|
}
|
|
}
|