429 lines
14 KiB
PHP
429 lines
14 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Vincent Petry <pvince81@owncloud.com>
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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 OC\Files\Node;
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use OC\DB\QueryBuilder\Literal;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\Files\Config\ICachedMountInfo;
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use OCP\Files\FileInfo;
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use OCP\Files\Mount\IMountPoint;
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use OCP\Files\NotFoundException;
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use OCP\Files\NotPermittedException;
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use OCP\Files\Search\ISearchOperator;
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class Folder extends Node implements \OCP\Files\Folder {
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/**
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* Creates a Folder that represents a non-existing path
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*
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* @param string $path path
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* @return string non-existing node class
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*/
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protected function createNonExistingNode($path) {
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return new NonExistingFolder($this->root, $this->view, $path);
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}
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/**
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* @param string $path path relative to the folder
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* @return string
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* @throws \OCP\Files\NotPermittedException
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*/
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public function getFullPath($path) {
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if (!$this->isValidPath($path)) {
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throw new NotPermittedException('Invalid path');
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}
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return $this->path . $this->normalizePath($path);
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}
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/**
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* @param string $path
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* @return string
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*/
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public function getRelativePath($path) {
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if ($this->path === '' or $this->path === '/') {
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return $this->normalizePath($path);
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}
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if ($path === $this->path) {
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return '/';
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} else if (strpos($path, $this->path . '/') !== 0) {
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return null;
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} else {
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$path = substr($path, strlen($this->path));
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return $this->normalizePath($path);
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}
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}
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/**
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* check if a node is a (grand-)child of the folder
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*
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* @param \OC\Files\Node\Node $node
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* @return bool
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*/
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public function isSubNode($node) {
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return strpos($node->getPath(), $this->path . '/') === 0;
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}
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/**
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* get the content of this directory
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*
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* @throws \OCP\Files\NotFoundException
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* @return Node[]
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*/
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public function getDirectoryListing() {
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$folderContent = $this->view->getDirectoryContent($this->path);
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return array_map(function (FileInfo $info) {
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if ($info->getMimetype() === 'httpd/unix-directory') {
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return new Folder($this->root, $this->view, $info->getPath(), $info);
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} else {
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return new File($this->root, $this->view, $info->getPath(), $info);
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}
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}, $folderContent);
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}
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/**
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* @param string $path
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* @param FileInfo $info
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* @return File|Folder
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*/
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protected function createNode($path, FileInfo $info = null) {
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if (is_null($info)) {
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$isDir = $this->view->is_dir($path);
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} else {
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$isDir = $info->getType() === FileInfo::TYPE_FOLDER;
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}
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if ($isDir) {
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return new Folder($this->root, $this->view, $path, $info);
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} else {
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return new File($this->root, $this->view, $path, $info);
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}
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}
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/**
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* Get the node at $path
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*
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* @param string $path
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* @return \OC\Files\Node\Node
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* @throws \OCP\Files\NotFoundException
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*/
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public function get($path) {
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return $this->root->get($this->getFullPath($path));
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}
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/**
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* @param string $path
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* @return bool
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*/
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public function nodeExists($path) {
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try {
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$this->get($path);
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return true;
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} catch (NotFoundException $e) {
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return false;
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}
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}
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/**
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* @param string $path
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* @return \OC\Files\Node\Folder
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* @throws \OCP\Files\NotPermittedException
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*/
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public function newFolder($path) {
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if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
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$fullPath = $this->getFullPath($path);
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$nonExisting = new NonExistingFolder($this->root, $this->view, $fullPath);
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$this->root->emit('\OC\Files', 'preWrite', array($nonExisting));
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$this->root->emit('\OC\Files', 'preCreate', array($nonExisting));
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$this->view->mkdir($fullPath);
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$node = new Folder($this->root, $this->view, $fullPath);
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$this->root->emit('\OC\Files', 'postWrite', array($node));
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$this->root->emit('\OC\Files', 'postCreate', array($node));
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return $node;
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} else {
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throw new NotPermittedException('No create permission for folder');
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}
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}
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/**
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* @param string $path
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* @return \OC\Files\Node\File
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* @throws \OCP\Files\NotPermittedException
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*/
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public function newFile($path) {
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if ($this->checkPermissions(\OCP\Constants::PERMISSION_CREATE)) {
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$fullPath = $this->getFullPath($path);
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$nonExisting = new NonExistingFile($this->root, $this->view, $fullPath);
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$this->root->emit('\OC\Files', 'preWrite', array($nonExisting));
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$this->root->emit('\OC\Files', 'preCreate', array($nonExisting));
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$this->view->touch($fullPath);
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$node = new File($this->root, $this->view, $fullPath);
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$this->root->emit('\OC\Files', 'postWrite', array($node));
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$this->root->emit('\OC\Files', 'postCreate', array($node));
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return $node;
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} else {
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throw new NotPermittedException('No create permission for path');
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}
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}
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/**
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* search for files with the name matching $query
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*
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* @param string|ISearchOperator $query
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* @return \OC\Files\Node\Node[]
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*/
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public function search($query) {
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if (is_string($query)) {
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return $this->searchCommon('search', array('%' . $query . '%'));
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} else {
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return $this->searchCommon('searchQuery', array($query));
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}
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}
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/**
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* search for files by mimetype
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*
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* @param string $mimetype
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* @return Node[]
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*/
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public function searchByMime($mimetype) {
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return $this->searchCommon('searchByMime', array($mimetype));
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}
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/**
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* search for files by tag
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*
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* @param string|int $tag name or tag id
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* @param string $userId owner of the tags
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* @return Node[]
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*/
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public function searchByTag($tag, $userId) {
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return $this->searchCommon('searchByTag', array($tag, $userId));
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}
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/**
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* @param string $method cache method
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* @param array $args call args
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* @return \OC\Files\Node\Node[]
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*/
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private function searchCommon($method, $args) {
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$files = array();
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$rootLength = strlen($this->path);
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$mount = $this->root->getMount($this->path);
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$storage = $mount->getStorage();
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$internalPath = $mount->getInternalPath($this->path);
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$internalPath = rtrim($internalPath, '/');
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if ($internalPath !== '') {
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$internalPath = $internalPath . '/';
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}
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$internalRootLength = strlen($internalPath);
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$cache = $storage->getCache('');
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$results = call_user_func_array(array($cache, $method), $args);
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foreach ($results as $result) {
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if ($internalRootLength === 0 or substr($result['path'], 0, $internalRootLength) === $internalPath) {
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$result['internalPath'] = $result['path'];
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$result['path'] = substr($result['path'], $internalRootLength);
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$result['storage'] = $storage;
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$files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
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}
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}
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$mounts = $this->root->getMountsIn($this->path);
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foreach ($mounts as $mount) {
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$storage = $mount->getStorage();
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if ($storage) {
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$cache = $storage->getCache('');
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$relativeMountPoint = substr($mount->getMountPoint(), $rootLength);
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$results = call_user_func_array(array($cache, $method), $args);
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foreach ($results as $result) {
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$result['internalPath'] = $result['path'];
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$result['path'] = $relativeMountPoint . $result['path'];
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$result['storage'] = $storage;
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$files[] = new \OC\Files\FileInfo($this->path . '/' . $result['path'], $storage, $result['internalPath'], $result, $mount);
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}
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}
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}
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return array_map(function (FileInfo $file) {
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return $this->createNode($file->getPath(), $file);
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}, $files);
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}
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/**
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* @param int $id
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* @return \OC\Files\Node\Node[]
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*/
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public function getById($id) {
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$mountCache = $this->root->getUserMountCache();
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$mountsContainingFile = $mountCache->getMountsForFileId((int)$id);
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$mounts = $this->root->getMountsIn($this->path);
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$mounts[] = $this->root->getMount($this->path);
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/** @var IMountPoint[] $folderMounts */
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$folderMounts = array_combine(array_map(function (IMountPoint $mountPoint) {
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return $mountPoint->getMountPoint();
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}, $mounts), $mounts);
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/** @var ICachedMountInfo[] $mountsContainingFile */
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$mountsContainingFile = array_values(array_filter($mountsContainingFile, function (ICachedMountInfo $cachedMountInfo) use ($folderMounts) {
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return isset($folderMounts[$cachedMountInfo->getMountPoint()]);
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}));
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if (count($mountsContainingFile) === 0) {
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return [];
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}
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// we only need to get the cache info once, since all mounts we found point to the same storage
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$mount = $folderMounts[$mountsContainingFile[0]->getMountPoint()];
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$cacheEntry = $mount->getStorage()->getCache()->get((int)$id);
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if (!$cacheEntry) {
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return [];
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}
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// cache jails will hide the "true" internal path
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$internalPath = ltrim($mountsContainingFile[0]->getRootInternalPath() . '/' . $cacheEntry->getPath(), '/');
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$nodes = array_map(function (ICachedMountInfo $cachedMountInfo) use ($cacheEntry, $folderMounts, $internalPath) {
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$mount = $folderMounts[$cachedMountInfo->getMountPoint()];
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$pathRelativeToMount = substr($internalPath, strlen($cachedMountInfo->getRootInternalPath()));
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$pathRelativeToMount = ltrim($pathRelativeToMount, '/');
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$absolutePath = $cachedMountInfo->getMountPoint() . $pathRelativeToMount;
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return $this->root->createNode($absolutePath, new \OC\Files\FileInfo(
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$absolutePath, $mount->getStorage(), $cacheEntry->getPath(), $cacheEntry, $mount,
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\OC::$server->getUserManager()->get($mount->getStorage()->getOwner($pathRelativeToMount))
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));
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}, $mountsContainingFile);
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return array_filter($nodes, function (Node $node) {
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return $this->getRelativePath($node->getPath());
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});
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}
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public function getFreeSpace() {
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return $this->view->free_space($this->path);
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}
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public function delete() {
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if ($this->checkPermissions(\OCP\Constants::PERMISSION_DELETE)) {
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$this->sendHooks(array('preDelete'));
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$fileInfo = $this->getFileInfo();
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$this->view->rmdir($this->path);
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$nonExisting = new NonExistingFolder($this->root, $this->view, $this->path, $fileInfo);
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$this->root->emit('\OC\Files', 'postDelete', array($nonExisting));
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$this->exists = false;
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} else {
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throw new NotPermittedException('No delete permission for path');
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}
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}
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/**
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* Add a suffix to the name in case the file exists
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*
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* @param string $name
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* @return string
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* @throws NotPermittedException
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*/
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public function getNonExistingName($name) {
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$uniqueName = \OC_Helper::buildNotExistingFileNameForView($this->getPath(), $name, $this->view);
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return trim($this->getRelativePath($uniqueName), '/');
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}
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/**
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* @param int $limit
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* @param int $offset
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* @return \OCP\Files\Node[]
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*/
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public function getRecent($limit, $offset = 0) {
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$mimetypeLoader = \OC::$server->getMimeTypeLoader();
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$mounts = $this->root->getMountsIn($this->path);
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$mounts[] = $this->getMountPoint();
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$mounts = array_filter($mounts, function (IMountPoint $mount) {
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return $mount->getStorage();
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});
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$storageIds = array_map(function (IMountPoint $mount) {
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return $mount->getStorage()->getCache()->getNumericStorageId();
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}, $mounts);
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/** @var IMountPoint[] $mountMap */
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$mountMap = array_combine($storageIds, $mounts);
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$folderMimetype = $mimetypeLoader->getId(FileInfo::MIMETYPE_FOLDER);
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//todo look into options of filtering path based on storage id (only search in files/ for home storage, filter by share root for shared, etc)
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$builder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
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$query = $builder
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->select('f.*')
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->from('filecache', 'f')
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->andWhere($builder->expr()->in('f.storage', $builder->createNamedParameter($storageIds, IQueryBuilder::PARAM_INT_ARRAY)))
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->andWhere($builder->expr()->orX(
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// handle non empty folders separate
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$builder->expr()->neq('f.mimetype', $builder->createNamedParameter($folderMimetype, IQueryBuilder::PARAM_INT)),
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$builder->expr()->eq('f.size', new Literal(0))
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))
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->orderBy('f.mtime', 'DESC')
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->setMaxResults($limit)
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->setFirstResult($offset);
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$result = $query->execute()->fetchAll();
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$files = array_filter(array_map(function (array $entry) use ($mountMap, $mimetypeLoader) {
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$mount = $mountMap[$entry['storage']];
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$entry['internalPath'] = $entry['path'];
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$entry['mimetype'] = $mimetypeLoader->getMimetypeById($entry['mimetype']);
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$entry['mimepart'] = $mimetypeLoader->getMimetypeById($entry['mimepart']);
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$path = $this->getAbsolutePath($mount, $entry['path']);
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if (is_null($path)) {
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return null;
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}
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$fileInfo = new \OC\Files\FileInfo($path, $mount->getStorage(), $entry['internalPath'], $entry, $mount);
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return $this->root->createNode($fileInfo->getPath(), $fileInfo);
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}, $result));
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return array_values(array_filter($files, function (Node $node) {
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$relative = $this->getRelativePath($node->getPath());
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return $relative !== null && $relative !== '/';
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}));
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}
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private function getAbsolutePath(IMountPoint $mount, $path) {
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$storage = $mount->getStorage();
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if ($storage->instanceOfStorage('\OC\Files\Storage\Wrapper\Jail')) {
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/** @var \OC\Files\Storage\Wrapper\Jail $storage */
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$jailRoot = $storage->getUnjailedPath('');
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$rootLength = strlen($jailRoot) + 1;
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if ($path === $jailRoot) {
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return $mount->getMountPoint();
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} else if (substr($path, 0, $rootLength) === $jailRoot . '/') {
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return $mount->getMountPoint() . substr($path, $rootLength);
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} else {
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return null;
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}
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} else {
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return $mount->getMountPoint() . $path;
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}
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}
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}
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