277 lines
8.1 KiB
PHP
277 lines
8.1 KiB
PHP
<?php
|
|
|
|
/**
|
|
* ownCloud
|
|
*
|
|
* @author Jakob Sack
|
|
* @copyright 2011 Jakob Sack kde@jakobsack.de
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
|
|
* License as published by the Free Software Foundation; either
|
|
* version 3 of the License, or any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
use OC\Connector\Sabre\TagList;
|
|
|
|
class OC_Connector_Sabre_Directory extends OC_Connector_Sabre_Node
|
|
implements \Sabre\DAV\ICollection, \Sabre\DAV\IQuota {
|
|
|
|
/**
|
|
* Cached directory content
|
|
*
|
|
* @var \OCP\FileInfo[]
|
|
*/
|
|
private $dirContent;
|
|
|
|
/**
|
|
* Creates a new file in the directory
|
|
*
|
|
* Data will either be supplied as a stream resource, or in certain cases
|
|
* as a string. Keep in mind that you may have to support either.
|
|
*
|
|
* After successful creation of the file, you may choose to return the ETag
|
|
* of the new file here.
|
|
*
|
|
* The returned ETag must be surrounded by double-quotes (The quotes should
|
|
* be part of the actual string).
|
|
*
|
|
* If you cannot accurately determine the ETag, you should not return it.
|
|
* If you don't store the file exactly as-is (you're transforming it
|
|
* somehow) you should also not return an ETag.
|
|
*
|
|
* This means that if a subsequent GET to this new file does not exactly
|
|
* return the same contents of what was submitted here, you are strongly
|
|
* recommended to omit the ETag.
|
|
*
|
|
* @param string $name Name of the file
|
|
* @param resource|string $data Initial payload
|
|
* @throws \Sabre\DAV\Exception\Forbidden
|
|
* @return null|string
|
|
*/
|
|
public function createFile($name, $data = null) {
|
|
|
|
try {
|
|
// for chunked upload also updating a existing file is a "createFile"
|
|
// because we create all the chunks before re-assemble them to the existing file.
|
|
if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
|
|
|
|
// exit if we can't create a new file and we don't updatable existing file
|
|
$info = OC_FileChunking::decodeName($name);
|
|
if (!$this->fileView->isCreatable($this->path) &&
|
|
!$this->fileView->isUpdatable($this->path . '/' . $info['name'])) {
|
|
throw new \Sabre\DAV\Exception\Forbidden();
|
|
}
|
|
|
|
} else {
|
|
// For non-chunked upload it is enough to check if we can create a new file
|
|
if (!$this->fileView->isCreatable($this->path)) {
|
|
throw new \Sabre\DAV\Exception\Forbidden();
|
|
}
|
|
}
|
|
|
|
$path = $this->fileView->getAbsolutePath($this->path) . '/' . $name;
|
|
// using a dummy FileInfo is acceptable here since it will be refreshed after the put is complete
|
|
$info = new \OC\Files\FileInfo($path, null, null, array());
|
|
$node = new OC_Connector_Sabre_File($this->fileView, $info);
|
|
return $node->put($data);
|
|
} catch (\OCP\Files\StorageNotAvailableException $e) {
|
|
throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a new subdirectory
|
|
*
|
|
* @param string $name
|
|
* @throws \Sabre\DAV\Exception\Forbidden
|
|
* @return void
|
|
*/
|
|
public function createDirectory($name) {
|
|
try {
|
|
if (!$this->info->isCreatable()) {
|
|
throw new \Sabre\DAV\Exception\Forbidden();
|
|
}
|
|
|
|
$newPath = $this->path . '/' . $name;
|
|
if(!$this->fileView->mkdir($newPath)) {
|
|
throw new \Sabre\DAV\Exception\Forbidden('Could not create directory '.$newPath);
|
|
}
|
|
} catch (\OCP\Files\StorageNotAvailableException $e) {
|
|
throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a specific child node, referenced by its name
|
|
*
|
|
* @param string $name
|
|
* @param \OCP\Files\FileInfo $info
|
|
* @throws \Sabre\DAV\Exception\FileNotFound
|
|
* @return \Sabre\DAV\INode
|
|
*/
|
|
public function getChild($name, $info = null) {
|
|
$path = $this->path . '/' . $name;
|
|
if (is_null($info)) {
|
|
try {
|
|
$info = $this->fileView->getFileInfo($path);
|
|
} catch (\OCP\Files\StorageNotAvailableException $e) {
|
|
throw new \Sabre\DAV\Exception\ServiceUnavailable($e->getMessage());
|
|
}
|
|
}
|
|
|
|
if (!$info) {
|
|
throw new \Sabre\DAV\Exception\NotFound('File with name ' . $path . ' could not be located');
|
|
}
|
|
|
|
if ($info['mimetype'] == 'httpd/unix-directory') {
|
|
$node = new OC_Connector_Sabre_Directory($this->fileView, $info);
|
|
} else {
|
|
$node = new OC_Connector_Sabre_File($this->fileView, $info);
|
|
}
|
|
return $node;
|
|
}
|
|
|
|
/**
|
|
* Returns an array with all the child nodes
|
|
*
|
|
* @return \Sabre\DAV\INode[]
|
|
*/
|
|
public function getChildren() {
|
|
if (!is_null($this->dirContent)) {
|
|
return $this->dirContent;
|
|
}
|
|
$folderContent = $this->fileView->getDirectoryContent($this->path);
|
|
|
|
$properties = array();
|
|
$paths = array();
|
|
foreach($folderContent as $info) {
|
|
$name = $info->getName();
|
|
$paths[] = $this->path . '/' . $name;
|
|
$properties[$this->path.'/' . $name][self::GETETAG_PROPERTYNAME] = '"' . $info->getEtag() . '"';
|
|
}
|
|
// TODO: move this to a beforeGetPropertiesForPath event to pre-cache properties
|
|
// TODO: only fetch the requested properties
|
|
if(count($paths)>0) {
|
|
//
|
|
// the number of arguments within IN conditions are limited in most databases
|
|
// we chunk $paths into arrays of 200 items each to meet this criteria
|
|
//
|
|
$chunks = array_chunk($paths, 200, false);
|
|
foreach ($chunks as $pack) {
|
|
$placeholders = join(',', array_fill(0, count($pack), '?'));
|
|
$query = OC_DB::prepare( 'SELECT * FROM `*PREFIX*properties`'
|
|
.' WHERE `userid` = ?' . ' AND `propertypath` IN ('.$placeholders.')' );
|
|
array_unshift($pack, OC_User::getUser()); // prepend userid
|
|
$result = $query->execute( $pack );
|
|
while($row = $result->fetchRow()) {
|
|
$propertypath = $row['propertypath'];
|
|
$propertyname = $row['propertyname'];
|
|
$propertyvalue = $row['propertyvalue'];
|
|
if($propertyname !== self::GETETAG_PROPERTYNAME) {
|
|
$properties[$propertypath][$propertyname] = $propertyvalue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$nodes = array();
|
|
foreach($folderContent as $info) {
|
|
$node = $this->getChild($info->getName(), $info);
|
|
$node->setPropertyCache($properties[$this->path . '/' . $info->getName()]);
|
|
$nodes[] = $node;
|
|
}
|
|
$this->dirContent = $nodes;
|
|
return $this->dirContent;
|
|
}
|
|
|
|
/**
|
|
* Checks if a child exists.
|
|
*
|
|
* @param string $name
|
|
* @return bool
|
|
*/
|
|
public function childExists($name) {
|
|
|
|
$path = $this->path . '/' . $name;
|
|
return $this->fileView->file_exists($path);
|
|
|
|
}
|
|
|
|
/**
|
|
* Deletes all files in this directory, and then itself
|
|
*
|
|
* @return void
|
|
* @throws \Sabre\DAV\Exception\Forbidden
|
|
*/
|
|
public function delete() {
|
|
|
|
if (!$this->info->isDeletable()) {
|
|
throw new \Sabre\DAV\Exception\Forbidden();
|
|
}
|
|
|
|
if (!$this->fileView->rmdir($this->path)) {
|
|
// assume it wasn't possible to remove due to permission issue
|
|
throw new \Sabre\DAV\Exception\Forbidden();
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns available diskspace information
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getQuotaInfo() {
|
|
try {
|
|
$path = \OC\Files\Filesystem::getView()->getRelativePath($this->info->getPath());
|
|
$storageInfo = OC_Helper::getStorageInfo($path);
|
|
return array(
|
|
$storageInfo['used'],
|
|
$storageInfo['free']
|
|
);
|
|
}
|
|
catch (\OCP\Files\StorageNotAvailableException $e) {
|
|
return array(0, 0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a list of properties for this nodes.;
|
|
*
|
|
* The properties list is a list of propertynames the client requested,
|
|
* encoded as xmlnamespace#tagName, for example:
|
|
* http://www.example.org/namespace#author
|
|
* If the array is empty, all properties should be returned
|
|
*
|
|
* @param array $properties
|
|
* @return array
|
|
*/
|
|
public function getProperties($properties) {
|
|
$props = parent::getProperties($properties);
|
|
if (in_array(self::GETETAG_PROPERTYNAME, $properties) && !isset($props[self::GETETAG_PROPERTYNAME])) {
|
|
$props[self::GETETAG_PROPERTYNAME] = $this->info->getEtag();
|
|
}
|
|
return $props;
|
|
}
|
|
|
|
/**
|
|
* Returns the size of the node, in bytes
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getSize() {
|
|
return $this->info->getSize();
|
|
}
|
|
|
|
}
|