nextcloud/lib/private/files/node/folder.php

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<?php
/**
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* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @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 OCP\Files\FileInfo;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
class Folder extends Node implements \OCP\Files\Folder {
/**
* @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();
}
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);
}
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if ($path === $this->path) {
return '/';
} else if (strpos($path, $this->path . '/') !== 0) {
return null;
} else {
$path = substr($path, strlen($this->path));
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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 array $info
* @return File|Folder
*/
protected function createNode($path, $info = array()) {
if (!isset($info['mimetype'])) {
$isDir = $this->view->is_dir($path);
} else {
$isDir = $info['mimetype'] === 'httpd/unix-directory';
}
if ($isDir) {
return new Folder($this->root, $this->view, $path);
} else {
return new File($this->root, $this->view, $path);
}
}
/**
* 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();
}
}
/**
* @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();
}
}
/**
* search for files with the name matching $query
*
* @param string $query
* @return \OC\Files\Node\Node[]
*/
public function search($query) {
return $this->searchCommon('search', 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);
/**
* @var \OC\Files\Storage\Storage $storage
*/
list($storage, $internalPath) = $this->view->resolvePath($this->path);
$internalPath = rtrim($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[] = $result;
}
}
$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[] = $result;
}
}
}
$result = array();
foreach ($files as $file) {
$result[] = $this->createNode($this->normalizePath($this->path . '/' . $file['path']), $file);
}
return $result;
}
/**
* @param int $id
* @return \OC\Files\Node\Node[]
*/
public function getById($id) {
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$mounts = $this->root->getMountsIn($this->path);
$mounts[] = $this->root->getMount($this->path);
// reverse the array so we start with the storage this view is in
// which is the most likely to contain the file we're looking for
$mounts = array_reverse($mounts);
$nodes = array();
foreach ($mounts as $mount) {
/**
* @var \OC\Files\Mount\MountPoint $mount
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*/
if ($mount->getStorage()) {
$cache = $mount->getStorage()->getCache();
$internalPath = $cache->getPathById($id);
if (is_string($internalPath)) {
$fullPath = $mount->getMountPoint() . $internalPath;
if (!is_null($path = $this->getRelativePath($fullPath))) {
$nodes[] = $this->get($path);
}
}
}
}
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return $nodes;
}
public function getFreeSpace() {
return $this->view->free_space($this->path);
}
public function delete() {
if ($this->checkPermissions(\OCP\Constants::PERMISSION_DELETE)) {
$this->sendHooks(array('preDelete'));
$this->view->rmdir($this->path);
$nonExisting = new NonExistingFolder($this->root, $this->view, $this->path);
$this->root->emit('\OC\Files', 'postDelete', array($nonExisting));
$this->exists = false;
} else {
throw new NotPermittedException();
}
}
/**
* @param string $targetPath
* @throws \OCP\Files\NotPermittedException
* @return \OC\Files\Node\Node
*/
public function copy($targetPath) {
$targetPath = $this->normalizePath($targetPath);
$parent = $this->root->get(dirname($targetPath));
if ($parent instanceof Folder and $this->isValidPath($targetPath) and $parent->isCreatable()) {
$nonExisting = new NonExistingFolder($this->root, $this->view, $targetPath);
$this->root->emit('\OC\Files', 'preCopy', array($this, $nonExisting));
$this->root->emit('\OC\Files', 'preWrite', array($nonExisting));
$this->view->copy($this->path, $targetPath);
$targetNode = $this->root->get($targetPath);
$this->root->emit('\OC\Files', 'postCopy', array($this, $targetNode));
$this->root->emit('\OC\Files', 'postWrite', array($targetNode));
return $targetNode;
} else {
throw new NotPermittedException();
}
}
/**
* @param string $targetPath
* @throws \OCP\Files\NotPermittedException
* @return \OC\Files\Node\Node
*/
public function move($targetPath) {
$targetPath = $this->normalizePath($targetPath);
$parent = $this->root->get(dirname($targetPath));
if ($parent instanceof Folder and $this->isValidPath($targetPath) and $parent->isCreatable()) {
$nonExisting = new NonExistingFolder($this->root, $this->view, $targetPath);
$this->root->emit('\OC\Files', 'preRename', array($this, $nonExisting));
$this->root->emit('\OC\Files', 'preWrite', array($nonExisting));
$this->view->rename($this->path, $targetPath);
$targetNode = $this->root->get($targetPath);
$this->root->emit('\OC\Files', 'postRename', array($this, $targetNode));
$this->root->emit('\OC\Files', 'postWrite', array($targetNode));
$this->path = $targetPath;
return $targetNode;
} else {
throw new NotPermittedException();
}
}
/**
* 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), '/');
}
}