124 lines
3.6 KiB
PHP
124 lines
3.6 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Thomas Müller
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* @copyright 2013 Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @license AGPL3
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*/
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class OC_Connector_Sabre_FilesPlugin extends \Sabre\DAV\ServerPlugin
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{
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// namespace
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const NS_OWNCLOUD = 'http://owncloud.org/ns';
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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 required 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 $server) {
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$server->xmlNamespaces[self::NS_OWNCLOUD] = 'oc';
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$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}id';
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$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}permissions';
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$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}size';
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$this->server = $server;
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$this->server->subscribeEvent('beforeGetProperties', array($this, 'beforeGetProperties'));
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$this->server->subscribeEvent('afterCreateFile', array($this, 'sendFileIdHeader'));
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$this->server->subscribeEvent('afterWriteContent', array($this, 'sendFileIdHeader'));
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}
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/**
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* Adds all ownCloud-specific properties
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*
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* @param string $path
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* @param \Sabre\DAV\INode $node
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* @param array $requestedProperties
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* @param array $returnedProperties
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* @return void
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*/
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public function beforeGetProperties($path, \Sabre\DAV\INode $node, array &$requestedProperties, array &$returnedProperties) {
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if ($node instanceof OC_Connector_Sabre_Node) {
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$fileIdPropertyName = '{' . self::NS_OWNCLOUD . '}id';
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$permissionsPropertyName = '{' . self::NS_OWNCLOUD . '}permissions';
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if (array_search($fileIdPropertyName, $requestedProperties)) {
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unset($requestedProperties[array_search($fileIdPropertyName, $requestedProperties)]);
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}
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if (array_search($permissionsPropertyName, $requestedProperties)) {
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unset($requestedProperties[array_search($permissionsPropertyName, $requestedProperties)]);
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}
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/** @var $node OC_Connector_Sabre_Node */
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$fileId = $node->getFileId();
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if (!is_null($fileId)) {
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$returnedProperties[200][$fileIdPropertyName] = $fileId;
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}
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$permissions = $node->getDavPermissions();
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if (!is_null($permissions)) {
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$returnedProperties[200][$permissionsPropertyName] = $permissions;
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}
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}
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if ($node instanceof OC_Connector_Sabre_Directory) {
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$sizePropertyName = '{' . self::NS_OWNCLOUD . '}size';
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/** @var $node OC_Connector_Sabre_Directory */
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$returnedProperties[200][$sizePropertyName] = $node->getSize();
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}
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}
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/**
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* @param string $filePath
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* @param \Sabre\DAV\INode $node
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* @throws \Sabre\DAV\Exception\BadRequest
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*/
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public function sendFileIdHeader($filePath, \Sabre\DAV\INode $node = null) {
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// chunked upload handling
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if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
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list($path, $name) = \Sabre\DAV\URLUtil::splitPath($filePath);
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$info = OC_FileChunking::decodeName($name);
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if (!empty($info)) {
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$filePath = $path . '/' . $info['name'];
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}
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}
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// we get the node for the given $filePath here because in case of afterCreateFile $node is the parent folder
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if (!$this->server->tree->nodeExists($filePath)) {
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return;
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}
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$node = $this->server->tree->getNodeForPath($filePath);
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if ($node instanceof OC_Connector_Sabre_Node) {
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$fileId = $node->getFileId();
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if (!is_null($fileId)) {
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$this->server->httpResponse->setHeader('OC-FileId', $fileId);
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}
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$eTag = $node->getETag();
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if (!is_null($eTag)) {
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$this->server->httpResponse->setHeader('OC-ETag', $eTag);
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}
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}
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}
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}
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