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Merge pull request #4348 from owncloud/fixing-4343-master 

fixes #4343
This commit is contained in:
Jörn Friedrich Dreyer 2013-08-27 04:26:51 -07:00
parent 163269805a d1a6d2bc8f
commit 13514fd1ad
2 changed files with 165 additions and 27 deletions
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91
lib/connector/sabre/quotaplugin.php
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@ -3,58 +3,95 @@
/**
* This plugin check user quota and deny creating files when they exceeds the quota.
*
* @copyright Copyright (C) 2012 entreCables S.L. All rights reserved.
* @author Sergio Cambra
* @copyright Copyright (C) 2012 entreCables S.L. All rights reserved.
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class OC_Connector_Sabre_QuotaPlugin extends Sabre_DAV_ServerPlugin {
/**
* Reference to main server object
*
* @var Sabre_DAV_Server
*/
* Reference to main server object
*
* @var Sabre_DAV_Server
*/
private $server;
/**
* This initializes the plugin.
*
* This function is called by Sabre_DAV_Server, after
* addPlugin is called.
*
* This method should set up the requires event subscriptions.
*
* @param Sabre_DAV_Server $server
* @return void
*/
* is kept public to allow overwrite for unit testing
*
* @var \OC\Files\View
*/
public $fileView;
/**
* This initializes the plugin.
*
* This function is called by Sabre_DAV_Server, after
* addPlugin is called.
*
* This method should set up the requires event subscriptions.
*
* @param Sabre_DAV_Server $server
* @return void
*/
public function initialize(Sabre_DAV_Server $server) {
$this->server = $server;
$this->server->subscribeEvent('beforeWriteContent', array($this, 'checkQuota'), 10);
$this->server->subscribeEvent('beforeCreateFile', array($this, 'checkQuota'), 10);
$this->server = $server;
$server->subscribeEvent('beforeWriteContent', array($this, 'checkQuota'), 10);
$server->subscribeEvent('beforeCreateFile', array($this, 'checkQuota'), 10);
}
/**
* This method is called before any HTTP method and forces users to be authenticated
*
* @param string $method
* @throws Sabre_DAV_Exception
* @return bool
*/
* This method is called before any HTTP method and validates there is enough free space to store the file
*
* @param string $method
* @throws Sabre_DAV_Exception
* @return bool
*/
public function checkQuota($uri, $data = null) {
$expected = $this->server->httpRequest->getHeader('X-Expected-Entity-Length');
$length = $expected ? $expected : $this->server->httpRequest->getHeader('Content-Length');
$length = $this->getLength();
if ($length) {
if (substr($uri, 0, 1)!=='/') {
$uri='/'.$uri;
}
list($parentUri, $newName) = Sabre_DAV_URLUtil::splitPath($uri);
$freeSpace = \OC\Files\Filesystem::free_space($parentUri);
$freeSpace = $this->getFreeSpace($parentUri);
if ($freeSpace !== \OC\Files\SPACE_UNKNOWN && $length > $freeSpace) {
throw new Sabre_DAV_Exception_InsufficientStorage();
}
}
return true;
}
public function getLength()
{
$req = $this->server->httpRequest;
$length = $req->getHeader('X-Expected-Entity-Length');
if (!$length) {
$length = $req->getHeader('Content-Length');
}
$ocLength = $req->getHeader('OC-Total-Length');
if ($length && $ocLength) {
return max($length, $ocLength);
}
return $length;
}
/**
* @param $parentUri
* @return mixed
*/
public function getFreeSpace($parentUri)
{
if (is_null($this->fileView)) {
// initialize fileView
$this->fileView = \OC\Files\Filesystem::getView();
}
$freeSpace = $this->fileView->free_space($parentUri);
return $freeSpace;
}
}

101
tests/lib/connector/sabre/quotaplugin.php Normal file
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@ -0,0 +1,101 @@
<?php
/**
* Copyright (c) 2013 Thomas Müller <thomas.mueller@tmit.eu>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
class Test_OC_Connector_Sabre_QuotaPlugin extends PHPUnit_Framework_TestCase {
/**
* @var Sabre_DAV_Server
*/
private $server;
/**
* @var OC_Connector_Sabre_QuotaPlugin
*/
private $plugin;
public function setUp() {
$this->server = new Sabre_DAV_Server();
$this->plugin = new OC_Connector_Sabre_QuotaPlugin();
$this->plugin->initialize($this->server);
}
/**
* @dataProvider lengthProvider
*/
public function testLength($expected, $headers)
{
$this->server->httpRequest = new Sabre_HTTP_Request($headers);
$length = $this->plugin->getLength();
$this->assertEquals($expected, $length);
}
/**
* @dataProvider quotaOkayProvider
*/
public function testCheckQuota($quota, $headers)
{
$this->plugin->fileView = $this->buildFileViewMock($quota);
$this->server->httpRequest = new Sabre_HTTP_Request($headers);
$result = $this->plugin->checkQuota('');
$this->assertTrue($result);
}
/**
* @expectedException Sabre_DAV_Exception_InsufficientStorage
* @dataProvider quotaExceededProvider
*/
public function testCheckExceededQuota($quota, $headers)
{
$this->plugin->fileView = $this->buildFileViewMock($quota);
$this->server->httpRequest = new Sabre_HTTP_Request($headers);
$this->plugin->checkQuota('');
}
public function quotaOkayProvider() {
return array(
array(1024, array()),
array(1024, array('HTTP_X_EXPECTED_ENTITY_LENGTH' => '1024')),
array(1024, array('HTTP_CONTENT_LENGTH' => '512')),
array(1024, array('HTTP_OC_TOTAL_LENGTH' => '1024', 'HTTP_CONTENT_LENGTH' => '512')),
// OC\Files\FREE_SPACE_UNKNOWN = -2
array(-2, array()),
array(-2, array('HTTP_X_EXPECTED_ENTITY_LENGTH' => '1024')),
array(-2, array('HTTP_CONTENT_LENGTH' => '512')),
array(-2, array('HTTP_OC_TOTAL_LENGTH' => '1024', 'HTTP_CONTENT_LENGTH' => '512')),
);
}
public function quotaExceededProvider() {
return array(
array(1023, array('HTTP_X_EXPECTED_ENTITY_LENGTH' => '1024')),
array(511, array('HTTP_CONTENT_LENGTH' => '512')),
array(2047, array('HTTP_OC_TOTAL_LENGTH' => '2048', 'HTTP_CONTENT_LENGTH' => '1024')),
);
}
public function lengthProvider() {
return array(
array(null, array()),
array(1024, array('HTTP_X_EXPECTED_ENTITY_LENGTH' => '1024')),
array(512, array('HTTP_CONTENT_LENGTH' => '512')),
array(2048, array('HTTP_OC_TOTAL_LENGTH' => '2048', 'HTTP_CONTENT_LENGTH' => '1024')),
array(4096, array('HTTP_OC_TOTAL_LENGTH' => '2048', 'HTTP_X_EXPECTED_ENTITY_LENGTH' => '4096')),
);
}
private function buildFileViewMock($quota) {
// mock filesysten
$view = $this->getMock('\OC\Files\View', array('free_space'), array(), '', FALSE);
$view->expects($this->any())->method('free_space')->withAnyParameters()->will($this->returnValue($quota));
return $view;
}
}