60 lines
1.7 KiB
PHP
60 lines
1.7 KiB
PHP
<?php
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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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* @copyright Copyright (C) 2012 entreCables S.L. All rights reserved.
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* @author Sergio Cambra
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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 OC_Connector_Sabre_QuotaPlugin extends Sabre_DAV_ServerPlugin {
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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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* 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 = $server;
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$this->server->subscribeEvent('beforeWriteContent', array($this, 'checkQuota'), 10);
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$this->server->subscribeEvent('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 forces users to be authenticated
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*
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* @param string $method
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* @throws Sabre_DAV_Exception
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* @return bool
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*/
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public function checkQuota($uri, $data = null) {
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$expected = $this->server->httpRequest->getHeader('X-Expected-Entity-Length');
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$length = $expected ? $expected : $this->server->httpRequest->getHeader('Content-Length');
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if ($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, $newName) = Sabre_DAV_URLUtil::splitPath($uri);
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$freeSpace = \OC\Files\Filesystem::free_space($parentUri);
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if ($freeSpace !== \OC\Files\FREE_SPACE_UNKNOWN && $length > $freeSpace) {
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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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}
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