273 lines
7.3 KiB
PHP
273 lines
7.3 KiB
PHP
<?php
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use Sabre\DAV\URLUtil;
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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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abstract class OC_Connector_Sabre_Node implements \Sabre\DAV\INode, \Sabre\DAV\IProperties {
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const GETETAG_PROPERTYNAME = '{DAV:}getetag';
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const LASTMODIFIED_PROPERTYNAME = '{DAV:}lastmodified';
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/**
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* Allow configuring the method used to generate Etags
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*
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* @var array(class_name, function_name)
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*/
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public static $ETagFunction = null;
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/**
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* @var \OC\Files\View
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*/
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protected $fileView;
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/**
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* The path to the current node
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*
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* @var string
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*/
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protected $path;
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/**
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* node properties cache
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*
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* @var array
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*/
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protected $property_cache = null;
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/**
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* @var \OCP\Files\FileInfo
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*/
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protected $info;
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/**
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* Sets up the node, expects a full path name
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* @param \OC\Files\View $view
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* @param \OCP\Files\FileInfo $info
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*/
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public function __construct($view, $info) {
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$this->fileView = $view;
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$this->path = $this->fileView->getRelativePath($info->getPath());
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$this->info = $info;
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}
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protected function refreshInfo() {
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$this->info = $this->fileView->getFileInfo($this->path);
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}
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/**
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* Returns the name of the node
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* @return string
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*/
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public function getName() {
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return $this->info->getName();
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}
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/**
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* Renames the node
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* @param string $name The new name
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* @throws \Sabre\DAV\Exception\BadRequest
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* @throws \Sabre\DAV\Exception\Forbidden
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*/
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public function setName($name) {
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// rename is only allowed if the update privilege is granted
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if (!$this->info->isUpdateable()) {
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throw new \Sabre\DAV\Exception\Forbidden();
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}
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list($parentPath,) = URLUtil::splitPath($this->path);
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list(, $newName) = URLUtil::splitPath($name);
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if (!\OCP\Util::isValidFileName($newName)) {
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throw new \Sabre\DAV\Exception\BadRequest();
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}
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$newPath = $parentPath . '/' . $newName;
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$oldPath = $this->path;
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$this->fileView->rename($this->path, $newPath);
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$this->path = $newPath;
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$query = OC_DB::prepare('UPDATE `*PREFIX*properties` SET `propertypath` = ?'
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. ' WHERE `userid` = ? AND `propertypath` = ?');
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$query->execute(array($newPath, OC_User::getUser(), $oldPath));
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$this->refreshInfo();
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}
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public function setPropertyCache($property_cache) {
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$this->property_cache = $property_cache;
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}
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/**
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* Returns the last modification time, as a unix timestamp
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* @return int timestamp as integer
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*/
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public function getLastModified() {
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$timestamp = $this->info->getMtime();
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if (!empty($timestamp)) {
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return (int)$timestamp;
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}
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return $timestamp;
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}
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/**
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* sets the last modification time of the file (mtime) to the value given
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* in the second parameter or to now if the second param is empty.
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* Even if the modification time is set to a custom value the access time is set to now.
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*/
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public function touch($mtime) {
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$this->fileView->touch($this->path, $mtime);
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$this->refreshInfo();
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}
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/**
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* Updates properties on this node,
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* @see \Sabre\DAV\IProperties::updateProperties
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* @param array $properties
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* @return boolean
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*/
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public function updateProperties($properties) {
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$existing = $this->getProperties(array());
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foreach ($properties as $propertyName => $propertyValue) {
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// If it was null, we need to delete the property
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if (is_null($propertyValue)) {
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if (array_key_exists($propertyName, $existing)) {
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$query = OC_DB::prepare('DELETE FROM `*PREFIX*properties`'
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. ' WHERE `userid` = ? AND `propertypath` = ? AND `propertyname` = ?');
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$query->execute(array(OC_User::getUser(), $this->path, $propertyName));
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}
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} else {
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if (strcmp($propertyName, self::GETETAG_PROPERTYNAME) === 0) {
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\OC\Files\Filesystem::putFileInfo($this->path, array('etag' => $propertyValue));
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} elseif (strcmp($propertyName, self::LASTMODIFIED_PROPERTYNAME) === 0) {
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$this->touch($propertyValue);
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} else {
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if (!array_key_exists($propertyName, $existing)) {
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$query = OC_DB::prepare('INSERT INTO `*PREFIX*properties`'
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. ' (`userid`,`propertypath`,`propertyname`,`propertyvalue`) VALUES(?,?,?,?)');
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$query->execute(array(OC_User::getUser(), $this->path, $propertyName, $propertyValue));
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} else {
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$query = OC_DB::prepare('UPDATE `*PREFIX*properties` SET `propertyvalue` = ?'
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. ' WHERE `userid` = ? AND `propertypath` = ? AND `propertyname` = ?');
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$query->execute(array($propertyValue, OC_User::getUser(), $this->path, $propertyName));
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}
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}
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}
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}
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$this->setPropertyCache(null);
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return true;
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}
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/**
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* removes all properties for this node and user
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*/
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public function removeProperties() {
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$query = OC_DB::prepare('DELETE FROM `*PREFIX*properties`'
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. ' WHERE `userid` = ? AND `propertypath` = ?');
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$query->execute(array(OC_User::getUser(), $this->path));
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$this->setPropertyCache(null);
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}
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/**
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* Returns a list of properties for this nodes.;
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* @param array $properties
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* @return array
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* @note The properties list is a list of propertynames the client
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* requested, encoded as xmlnamespace#tagName, for example:
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* http://www.example.org/namespace#author If the array is empty, all
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* properties should be returned
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*/
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public function getProperties($properties) {
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if (is_null($this->property_cache)) {
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$sql = 'SELECT * FROM `*PREFIX*properties` WHERE `userid` = ? AND `propertypath` = ?';
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$result = OC_DB::executeAudited($sql, array(OC_User::getUser(), $this->path));
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$this->property_cache = array();
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while ($row = $result->fetchRow()) {
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$this->property_cache[$row['propertyname']] = $row['propertyvalue'];
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}
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$this->property_cache[self::GETETAG_PROPERTYNAME] = '"' . $this->info->getEtag() . '"';
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}
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// if the array was empty, we need to return everything
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if (count($properties) == 0) {
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return $this->property_cache;
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}
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$props = array();
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foreach ($properties as $property) {
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if (isset($this->property_cache[$property])) {
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$props[$property] = $this->property_cache[$property];
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}
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}
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return $props;
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}
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/**
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* @return string|null
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*/
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public function getFileId() {
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if ($this->info->getId()) {
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$instanceId = OC_Util::getInstanceId();
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$id = sprintf('%08d', $this->info->getId());
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return $id . $instanceId;
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}
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return null;
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}
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/**
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* @return string|null
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*/
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public function getDavPermissions() {
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$p ='';
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if ($this->info->isShared()) {
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$p .= 'S';
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}
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if ($this->info->isShareable()) {
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$p .= 'R';
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}
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if ($this->info->isMounted()) {
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$p .= 'M';
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}
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if ($this->info->isDeletable()) {
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$p .= 'D';
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}
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if ($this->info->isDeletable()) {
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$p .= 'NV'; // Renameable, Moveable
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}
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if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
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if ($this->info->isUpdateable()) {
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$p .= 'W';
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}
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} else {
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if ($this->info->isUpdateable()) {
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$p .= 'CK';
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}
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}
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return $p;
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}
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}
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