0b3f0716fc
Added oc:tags and oc:favorites in PROPFIND response. It is possible to update them with PROPPATCH. These properties are optional which means they need to be requested explicitly
284 lines
8.2 KiB
PHP
284 lines
8.2 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Jakob Sack
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* @copyright 2011 Jakob Sack kde@jakobsack.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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use OC\Connector\Sabre\TagList;
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class OC_Connector_Sabre_Directory extends OC_Connector_Sabre_Node
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implements \Sabre\DAV\ICollection, \Sabre\DAV\IQuota {
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/**
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* Cached directory content
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*
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* @var \OCP\FileInfo[]
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*/
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private $dirContent;
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/**
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* Creates a new file in the directory
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*
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* Data will either be supplied as a stream resource, or in certain cases
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* as a string. Keep in mind that you may have to support either.
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*
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* After successful creation of the file, you may choose to return the ETag
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* of the new file here.
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*
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* The returned ETag must be surrounded by double-quotes (The quotes should
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* be part of the actual string).
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*
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* If you cannot accurately determine the ETag, you should not return it.
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* If you don't store the file exactly as-is (you're transforming it
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* somehow) you should also not return an ETag.
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*
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* This means that if a subsequent GET to this new file does not exactly
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* return the same contents of what was submitted here, you are strongly
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* recommended to omit the ETag.
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*
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* @param string $name Name of the file
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* @param resource|string $data Initial payload
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* @throws \Sabre\DAV\Exception\Forbidden
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* @return null|string
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*/
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public function createFile($name, $data = null) {
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try {
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// for chunked upload also updating a existing file is a "createFile"
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// because we create all the chunks before re-assemble them to the existing file.
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if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
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// exit if we can't create a new file and we don't updatable existing file
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$info = OC_FileChunking::decodeName($name);
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if (!$this->fileView->isCreatable($this->path) &&
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!$this->fileView->isUpdatable($this->path . '/' . $info['name'])) {
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throw new \Sabre\DAV\Exception\Forbidden();
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}
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} else {
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// For non-chunked upload it is enough to check if we can create a new file
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if (!$this->fileView->isCreatable($this->path)) {
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throw new \Sabre\DAV\Exception\Forbidden();
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}
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}
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$path = $this->fileView->getAbsolutePath($this->path) . '/' . $name;
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// using a dummy FileInfo is acceptable here since it will be refreshed after the put is complete
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$info = new \OC\Files\FileInfo($path, null, null, array());
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$node = new OC_Connector_Sabre_File($this->fileView, $info);
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return $node->put($data);
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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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* Creates a new subdirectory
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*
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* @param string $name
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* @throws \Sabre\DAV\Exception\Forbidden
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* @return void
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*/
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public function createDirectory($name) {
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try {
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if (!$this->info->isCreatable()) {
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throw new \Sabre\DAV\Exception\Forbidden();
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}
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$newPath = $this->path . '/' . $name;
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if(!$this->fileView->mkdir($newPath)) {
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throw new \Sabre\DAV\Exception\Forbidden('Could not create directory '.$newPath);
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}
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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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* Returns a specific child node, referenced by its name
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*
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* @param string $name
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* @param \OCP\Files\FileInfo $info
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* @throws \Sabre\DAV\Exception\FileNotFound
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* @return \Sabre\DAV\INode
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*/
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public function getChild($name, $info = null) {
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$path = $this->path . '/' . $name;
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if (is_null($info)) {
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try {
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$info = $this->fileView->getFileInfo($path);
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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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if (!$info) {
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throw new \Sabre\DAV\Exception\NotFound('File with name ' . $path . ' could not be located');
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}
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if ($info['mimetype'] == 'httpd/unix-directory') {
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$node = new OC_Connector_Sabre_Directory($this->fileView, $info);
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} else {
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$node = new OC_Connector_Sabre_File($this->fileView, $info);
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}
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return $node;
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}
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/**
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* Return the directory content as fileinfo objects
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*
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* @return \OCP\FileInfo[]
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*/
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public function getDirectoryContent() {
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}
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/**
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* Returns an array with all the child nodes
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*
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* @return \Sabre\DAV\INode[]
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*/
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public function getChildren() {
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if (!is_null($this->dirContent)) {
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return $this->dirContent;
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}
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$folderContent = $this->fileView->getDirectoryContent($this->path);
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$properties = array();
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$paths = array();
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foreach($folderContent as $info) {
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$name = $info->getName();
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$paths[] = $this->path . '/' . $name;
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$properties[$this->path.'/' . $name][self::GETETAG_PROPERTYNAME] = '"' . $info->getEtag() . '"';
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}
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// TODO: move this to a beforeGetPropertiesForPath event to pre-cache properties
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// TODO: only fetch the requested properties
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if(count($paths)>0) {
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//
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// the number of arguments within IN conditions are limited in most databases
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// we chunk $paths into arrays of 200 items each to meet this criteria
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//
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$chunks = array_chunk($paths, 200, false);
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foreach ($chunks as $pack) {
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$placeholders = join(',', array_fill(0, count($pack), '?'));
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$query = OC_DB::prepare( 'SELECT * FROM `*PREFIX*properties`'
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.' WHERE `userid` = ?' . ' AND `propertypath` IN ('.$placeholders.')' );
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array_unshift($pack, OC_User::getUser()); // prepend userid
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$result = $query->execute( $pack );
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while($row = $result->fetchRow()) {
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$propertypath = $row['propertypath'];
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$propertyname = $row['propertyname'];
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$propertyvalue = $row['propertyvalue'];
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if($propertyname !== self::GETETAG_PROPERTYNAME) {
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$properties[$propertypath][$propertyname] = $propertyvalue;
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}
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}
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}
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}
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$nodes = array();
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foreach($folderContent as $info) {
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$node = $this->getChild($info->getName(), $info);
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$node->setPropertyCache($properties[$this->path . '/' . $info->getName()]);
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$nodes[] = $node;
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}
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$this->dirContent = $nodes;
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return $this->dirContent;
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}
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/**
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* Checks if a child exists.
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*
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* @param string $name
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* @return bool
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*/
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public function childExists($name) {
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$path = $this->path . '/' . $name;
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return $this->fileView->file_exists($path);
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}
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/**
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* Deletes all files in this directory, and then itself
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*
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* @return void
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* @throws \Sabre\DAV\Exception\Forbidden
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*/
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public function delete() {
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if (!$this->info->isDeletable()) {
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throw new \Sabre\DAV\Exception\Forbidden();
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}
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if (!$this->fileView->rmdir($this->path)) {
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// assume it wasn't possible to remove due to permission issue
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throw new \Sabre\DAV\Exception\Forbidden();
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}
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}
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/**
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* Returns available diskspace information
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*
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* @return array
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*/
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public function getQuotaInfo() {
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try {
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$path = \OC\Files\Filesystem::getView()->getRelativePath($this->info->getPath());
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$storageInfo = OC_Helper::getStorageInfo($path);
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return array(
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$storageInfo['used'],
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$storageInfo['free']
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);
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}
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catch (\OCP\Files\StorageNotAvailableException $e) {
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return array(0, 0);
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}
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}
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/**
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* Returns a list of properties for this nodes.;
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*
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* The properties list is a list of propertynames the client requested,
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* encoded as xmlnamespace#tagName, for example:
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* http://www.example.org/namespace#author
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* If the array is empty, all properties should be returned
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*
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* @param array $properties
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* @return array
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*/
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public function getProperties($properties) {
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$props = parent::getProperties($properties);
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if (in_array(self::GETETAG_PROPERTYNAME, $properties) && !isset($props[self::GETETAG_PROPERTYNAME])) {
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$props[self::GETETAG_PROPERTYNAME] = $this->info->getEtag();
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}
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return $props;
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}
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/**
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* Returns the size of the node, in bytes
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*
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* @return int
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*/
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public function getSize() {
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return $this->info->getSize();
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}
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}
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