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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Joas Schilling <coding@schilljs.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @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\Node;
use OC\DB\QueryBuilder\Literal;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\Files\Config\ICachedMountInfo;
use OCP\Files\FileInfo;
use OCP\Files\Mount\IMountPoint;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\Files\Search\ISearchOperator;
class Folder extends Node implements \OCP\Files\Folder {
/**
* Creates a Folder that represents a non-existing path
*
* @param string $path path
* @return string non-existing node class
*/
protected function createNonExistingNode($path) {
return new NonExistingFolder($this->root, $this->view, $path);
}
/**
* @param string $path path relative to the folder
* @return string
* @throws \OCP\Files\NotPermittedException
*/
public function getFullPath($path) {
if (!$this->isValidPath($path)) {
throw new NotPermittedException('Invalid path');
}
return $this->path . $this->normalizePath($path);
}
/**
* @param string $path
* @return string
*/
public function getRelativePath($path) {
if ($this->path === '' or $this->path === '/') {
return $this->normalizePath($path);
}
if ($path === $this->path) {
return '/';
} else if (strpos($path, $this->path . '/') !== 0) {
return null;
} else {
$path = substr($path, strlen($this->path));
return $this->normalizePath($path);
}
}
/**
* check if a node is a (grand-)child of the folder
*
* @param \OC\Files\Node\Node $node
* @return bool
*/
public function isSubNode($node) {
return strpos($node->getPath(), $this->path . '/') === 0;
}
/**
* get the content of this directory
*
* @throws \OCP\Files\NotFoundException
* @return Node[]
*/
public function getDirectoryListing() {
$folderContent = $this->view->getDirectoryContent($this->path);
return array_map(function (FileInfo $info) {
if ($info->getMimetype() === 'httpd/unix-directory') {
return new Folder($this->root, $this->view, $info->getPath(), $info);
} else {
return new File($this->root, $this->view, $info->getPath(), $info);
}
}, $folderContent);
}
/**
* @param string $path
* @param FileInfo $info
* @return File|Folder
*/
protected function createNode($path, FileInfo $info = null) {
if (is_null($info)) {
$isDir = $this->view->is_dir($path);
} else {
$isDir = $info->getType() === FileInfo::TYPE_FOLDER;
}
if ($isDir) {
return new Folder($this->root, $this->view, $path, $info);
} else {
return new File($this->root, $this->view, $path, $info);
}
}
/**
* Get the node at $path
*
* @param string $path
* @return \OC\Files\Node\Node
* @throws \OCP\Files\NotFoundException
*/
public function get($path) {
return $this->root->get($this->getFullPath($path));
}
/**
* @param string $path
* @return bool
*/
public function nodeExists($path) {
try {
$this->get($path);
return true;
} catch (NotFoundException $e) {
return false;
}
}
/**
* @param string $path
* @return \OC\Files\Node\Folder
* @throws \OCP\Files\NotPermittedException
*/
public function newFolder($path) {
if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
$fullPath = $this->getFullPath($path);
$nonExisting = new NonExistingFolder($this->root, $this->view, $fullPath);
$this->root->emit('\OC\Files', 'preWrite', array($nonExisting));
$this->root->emit('\OC\Files', 'preCreate', array($nonExisting));
$this->view->mkdir($fullPath);
$node = new Folder($this->root, $this->view, $fullPath);
$this->root->emit('\OC\Files', 'postWrite', array($node));
$this->root->emit('\OC\Files', 'postCreate', array($node));
return $node;
} else {
throw new NotPermittedException('No create permission for folder');
}
}
/**
* @param string $path
* @return \OC\Files\Node\File
* @throws \OCP\Files\NotPermittedException
*/
public function newFile($path) {
if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
$fullPath = $this->getFullPath($path);
$nonExisting = new NonExistingFile($this->root, $this->view, $fullPath);
$this->root->emit('\OC\Files', 'preWrite', array($nonExisting));
$this->root->emit('\OC\Files', 'preCreate', array($nonExisting));
$this->view->touch($fullPath);
$node = new File($this->root, $this->view, $fullPath);
$this->root->emit('\OC\Files', 'postWrite', array($node));
$this->root->emit('\OC\Files', 'postCreate', array($node));
return $node;
} else {
throw new NotPermittedException('No create permission for path');
}
}
/**
* search for files with the name matching $query
*
* @param string|ISearchOperator $query
* @return \OC\Files\Node\Node[]
*/
public function search($query) {
if (is_string($query)) {
return $this->searchCommon('search', array('%' . $query . '%'));
} else {
return $this->searchCommon('searchQuery', array($query));
}
}
/**
* search for files by mimetype
*
* @param string $mimetype
* @return Node[]
*/
public function searchByMime($mimetype) {
return $this->searchCommon('searchByMime', array($mimetype));
}
/**
* search for files by tag
*
* @param string|int $tag name or tag id
* @param string $userId owner of the tags
* @return Node[]
*/
public function searchByTag($tag, $userId) {
return $this->searchCommon('searchByTag', array($tag, $userId));
}
/**
* @param string $method cache method
* @param array $args call args
* @return \OC\Files\Node\Node[]
*/
private function searchCommon($method, $args) {
$files = array();
$rootLength = strlen($this->path);
$mount = $this->root->getMount($this->path);
$storage = $mount->getStorage();
$internalPath = $mount->getInternalPath($this->path);
$internalPath = rtrim($internalPath, '/');
if ($internalPath !== '') {
$internalPath = $internalPath . '/';
}
$internalRootLength = strlen($internalPath);
$cache = $storage->getCache('');
$results = call_user_func_array(array($cache, $method), $args);
foreach ($results as $result) {
if ($internalRootLength === 0 or substr($result['path'], 0, $internalRootLength) === $internalPath) {
$result['internalPath'] = $result['path'];
$result['path'] = substr($result['path'], $internalRootLength);
$result['storage'] = $storage;
$files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
}
}
$mounts = $this->root->getMountsIn($this->path);
foreach ($mounts as $mount) {
$storage = $mount->getStorage();
if ($storage) {
$cache = $storage->getCache('');
$relativeMountPoint = substr($mount->getMountPoint(), $rootLength);
$results = call_user_func_array(array($cache, $method), $args);
foreach ($results as $result) {
$result['internalPath'] = $result['path'];
$result['path'] = $relativeMountPoint . $result['path'];
$result['storage'] = $storage;
$files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
}
}
}
return array_map(function (FileInfo $file) {
return $this->createNode($file->getPath(), $file);
}, $files);
}
/**
* @param int $id
* @return \OC\Files\Node\Node[]
*/
public function getById($id) {
$mountCache = $this->root->getUserMountCache();
if (strpos($this->getPath(), '/', 1) > 0) {
list(, $user) = explode('/', $this->getPath());
} else {
$user = null;
}
$mountsContainingFile = $mountCache->getMountsForFileId((int)$id, $user);
$mounts = $this->root->getMountsIn($this->path);
$mounts[] = $this->root->getMount($this->path);
/** @var IMountPoint[] $folderMounts */
$folderMounts = array_combine(array_map(function (IMountPoint $mountPoint) {
return $mountPoint->getMountPoint();
}, $mounts), $mounts);
/** @var ICachedMountInfo[] $mountsContainingFile */
$mountsContainingFile = array_values(array_filter($mountsContainingFile, function (ICachedMountInfo $cachedMountInfo) use ($folderMounts) {
return isset($folderMounts[$cachedMountInfo->getMountPoint()]);
}));
if (count($mountsContainingFile) === 0) {
return [];
}
$nodes = array_map(function (ICachedMountInfo $cachedMountInfo) use ($folderMounts, $id) {
$mount = $folderMounts[$cachedMountInfo->getMountPoint()];
$cacheEntry = $mount->getStorage()->getCache()->get((int)$id);
if (!$cacheEntry) {
return null;
}
// cache jails will hide the "true" internal path
$internalPath = ltrim($cachedMountInfo->getRootInternalPath() . '/' . $cacheEntry->getPath(), '/');
$pathRelativeToMount = substr($internalPath, strlen($cachedMountInfo->getRootInternalPath()));
$pathRelativeToMount = ltrim($pathRelativeToMount, '/');
$absolutePath = $cachedMountInfo->getMountPoint() . $pathRelativeToMount;
return $this->root->createNode($absolutePath, new \OC\Files\FileInfo(
$absolutePath, $mount->getStorage(), $cacheEntry->getPath(), $cacheEntry, $mount,
\OC::$server->getUserManager()->get($mount->getStorage()->getOwner($pathRelativeToMount))
));
}, $mountsContainingFile);
$nodes = array_filter($nodes);
return array_filter($nodes, function (Node $node) {
return $this->getRelativePath($node->getPath());
});
}
public function getFreeSpace() {
return $this->view->free_space($this->path);
}
public function delete() {
if ($this->checkPermissions(\OCP\Constants::PERMISSION_DELETE)) {
$this->sendHooks(array('preDelete'));
$fileInfo = $this->getFileInfo();
$this->view->rmdir($this->path);
$nonExisting = new NonExistingFolder($this->root, $this->view, $this->path, $fileInfo);
$this->root->emit('\OC\Files', 'postDelete', array($nonExisting));
$this->exists = false;
} else {
throw new NotPermittedException('No delete permission for path');
}
}
/**
* Add a suffix to the name in case the file exists
*
* @param string $name
* @return string
* @throws NotPermittedException
*/
public function getNonExistingName($name) {
$uniqueName = \OC_Helper::buildNotExistingFileNameForView($this->getPath(), $name, $this->view);
return trim($this->getRelativePath($uniqueName), '/');
}
/**
* @param int $limit
* @param int $offset
* @return \OCP\Files\Node[]
*/
public function getRecent($limit, $offset = 0) {
$mimetypeLoader = \OC::$server->getMimeTypeLoader();
$mounts = $this->root->getMountsIn($this->path);
$mounts[] = $this->getMountPoint();
$mounts = array_filter($mounts, function (IMountPoint $mount) {
return $mount->getStorage();
});
$storageIds = array_map(function (IMountPoint $mount) {
return $mount->getStorage()->getCache()->getNumericStorageId();
}, $mounts);
/** @var IMountPoint[] $mountMap */
$mountMap = array_combine($storageIds, $mounts);
$folderMimetype = $mimetypeLoader->getId(FileInfo::MIMETYPE_FOLDER);
//todo look into options of filtering path based on storage id (only search in files/ for home storage, filter by share root for shared, etc)
$builder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
$query = $builder
->select('f.*')
->from('filecache', 'f')
->andWhere($builder->expr()->in('f.storage', $builder->createNamedParameter($storageIds, IQueryBuilder::PARAM_INT_ARRAY)))
->andWhere($builder->expr()->orX(
// handle non empty folders separate
$builder->expr()->neq('f.mimetype', $builder->createNamedParameter($folderMimetype, IQueryBuilder::PARAM_INT)),
$builder->expr()->eq('f.size', new Literal(0))
))
->orderBy('f.mtime', 'DESC')
->setMaxResults($limit)
->setFirstResult($offset);
$result = $query->execute()->fetchAll();
$files = array_filter(array_map(function (array $entry) use ($mountMap, $mimetypeLoader) {
$mount = $mountMap[$entry['storage']];
$entry['internalPath'] = $entry['path'];
$entry['mimetype'] = $mimetypeLoader->getMimetypeById($entry['mimetype']);
$entry['mimepart'] = $mimetypeLoader->getMimetypeById($entry['mimepart']);
$path = $this->getAbsolutePath($mount, $entry['path']);
if (is_null($path)) {
return null;
}
$fileInfo = new \OC\Files\FileInfo($path, $mount->getStorage(), $entry['internalPath'], $entry, $mount);
return $this->root->createNode($fileInfo->getPath(), $fileInfo);
}, $result));
return array_values(array_filter($files, function (Node $node) {
$relative = $this->getRelativePath($node->getPath());
return $relative !== null && $relative !== '/';
}));
}
private function getAbsolutePath(IMountPoint $mount, $path) {
$storage = $mount->getStorage();
if ($storage->instanceOfStorage('\OC\Files\Storage\Wrapper\Jail')) {
/** @var \OC\Files\Storage\Wrapper\Jail $storage */
$jailRoot = $storage->getUnjailedPath('');
$rootLength = strlen($jailRoot) + 1;
if ($path === $jailRoot) {
return $mount->getMountPoint();
} else if (substr($path, 0, $rootLength) === $jailRoot . '/') {
return $mount->getMountPoint() . substr($path, $rootLength);
} else {
return null;
}
} else {
return $mount->getMountPoint() . $path;
}
}
}