53eff9792f
Fix quota plugin to use the correct file name when chunking When chunking, the file name is the compound name, so need to convert it to the correct final file name before doing the free space check. This ensures that in the case of shared files, the correct storage is used for the quota check.
148 lines
4.2 KiB
PHP
148 lines
4.2 KiB
PHP
<?php
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/**
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* @author Felix Moeller <mail@felixmoeller.de>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author scambra <sergio@entrecables.com>
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* @author Scrutinizer Auto-Fixer <auto-fixer@scrutinizer-ci.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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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 OCA\DAV\Connector\Sabre;
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/**
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* This plugin check user quota and deny creating files when they exceeds the quota.
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*
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* @author Sergio Cambra
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* @copyright Copyright (C) 2012 entreCables S.L. All rights reserved.
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* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
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*/
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class QuotaPlugin extends \Sabre\DAV\ServerPlugin {
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/**
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* @var \OC\Files\View
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*/
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private $view;
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/**
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* Reference to main server object
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*
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* @var \Sabre\DAV\Server
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*/
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private $server;
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/**
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* @param \OC\Files\View $view
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*/
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public function __construct($view) {
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$this->view = $view;
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}
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/**
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* This initializes the plugin.
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*
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* This function is called by \Sabre\DAV\Server, after
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* addPlugin is called.
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*
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* This method should set up the requires event subscriptions.
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*
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* @param \Sabre\DAV\Server $server
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* @return void
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*/
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public function initialize(\Sabre\DAV\Server $server) {
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$this->server = $server;
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$server->on('beforeWriteContent', array($this, 'checkQuota'), 10);
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$server->on('beforeCreateFile', array($this, 'checkQuota'), 10);
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}
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/**
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* This method is called before any HTTP method and validates there is enough free space to store the file
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*
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* @param string $uri
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* @param null $data
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* @throws \Sabre\DAV\Exception\InsufficientStorage
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* @return bool
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*/
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public function checkQuota($uri, $data = null) {
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$length = $this->getLength();
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if ($length) {
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if (substr($uri, 0, 1) !== '/') {
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$uri = '/' . $uri;
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}
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list($parentUri, $newName) = \Sabre\HTTP\URLUtil::splitPath($uri);
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if(is_null($parentUri)) {
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$parentUri = '';
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}
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$req = $this->server->httpRequest;
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if ($req->getHeader('OC-Chunked')) {
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$info = \OC_FileChunking::decodeName($newName);
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$chunkHandler = $this->getFileChunking($info);
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// subtract the already uploaded size to see whether
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// there is still enough space for the remaining chunks
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$length -= $chunkHandler->getCurrentSize();
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// use target file name for free space check in case of shared files
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$uri = rtrim($parentUri, '/') . '/' . $info['name'];
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}
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$freeSpace = $this->getFreeSpace($uri);
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if ($freeSpace !== \OCP\Files\FileInfo::SPACE_UNKNOWN && $length > $freeSpace) {
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if (isset($chunkHandler)) {
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$chunkHandler->cleanup();
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}
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throw new \Sabre\DAV\Exception\InsufficientStorage();
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}
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}
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return true;
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}
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public function getFileChunking($info) {
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// FIXME: need a factory for better mocking support
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return new \OC_FileChunking($info);
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}
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public function getLength() {
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$req = $this->server->httpRequest;
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$length = $req->getHeader('X-Expected-Entity-Length');
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if (!$length) {
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$length = $req->getHeader('Content-Length');
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}
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$ocLength = $req->getHeader('OC-Total-Length');
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if ($length && $ocLength) {
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return max($length, $ocLength);
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}
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return $length;
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}
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/**
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* @param string $uri
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* @return mixed
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*/
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public function getFreeSpace($uri) {
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try {
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$freeSpace = $this->view->free_space(ltrim($uri, '/'));
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return $freeSpace;
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} catch (\OCP\Files\StorageNotAvailableException $e) {
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throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
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}
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}
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}
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