1143 lines
36 KiB
PHP
1143 lines
36 KiB
PHP
<?php
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/*------------------------------------------------------------------------------
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Copyright (c) 2004 Media Development Loan Fund
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This file is part of the LiveSupport project.
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http://livesupport.campware.org/
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To report bugs, send an e-mail to bugs@campware.org
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LiveSupport is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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LiveSupport 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with LiveSupport; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author : $Author: tomas $
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Version : $Revision: 1.8 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storageServer/var/GreenBox.php,v $
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------------------------------------------------------------------------------*/
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define('GBERR_DENY', 40);
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define('GBERR_FILEIO', 41);
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define('GBERR_FILENEX', 42);
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define('GBERR_FOBJNEX', 43);
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define('GBERR_WRTYPE', 44);
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define('GBERR_NONE', 45);
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define('GBERR_AOBJNEX', 46);
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define('GBERR_NOTF', 47);
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define('GBERR_NOTIMPL', 50);
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require_once "../../../alib/var/alib.php";
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require_once "StoredFile.php";
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require_once "Transport.php";
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/**
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* GreenBox class
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*
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* LiveSupport file storage module
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*
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* @author $Author: tomas $
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* @version $Revision: 1.8 $
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* @see Alib
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*/
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class GreenBox extends Alib{
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var $filesTable;
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var $mdataTable;
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var $accessTable;
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var $storageDir;
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var $bufferDir;
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var $accessDir;
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var $rootId;
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var $storId;
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var $doDebug = true;
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/**
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* Constructor
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*
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* @param dbc PEAR::db abstract class reference
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* @param config config array from conf.php
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* @return class instance
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*/
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function GreenBox(&$dbc, $config)
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{
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parent::Alib(&$dbc, $config);
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$this->config = $config;
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$this->filesTable = $config['tblNamePrefix'].'files';
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$this->mdataTable = $config['tblNamePrefix'].'mdata';
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$this->accessTable= $config['tblNamePrefix'].'access';
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$this->storageDir = $config['storageDir'];
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$this->bufferDir = $config['bufferDir'];
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$this->transDir = $config['transDir'];
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$this->accessDir = $config['accessDir'];
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$this->dbc->setErrorHandling(PEAR_ERROR_RETURN);
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$this->rootId = $this->getRootNode();
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$this->storId = $this->wd =
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$this->getObjId('StorageRoot', $this->rootId);
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$this->dbc->setErrorHandling();
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}
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/* ======================================================= public methods */
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/**
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* Create new folder
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*
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* @param parid int, parent id
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* @param folderName string, name for new folder
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* @param sessid string, session id
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* @return id of new folder
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* @exception PEAR::error
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*/
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function createFolder($parid, $folderName, $sessid='')
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{
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if(($res = $this->_authorize('write', $parid, $sessid)) !== TRUE)
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return $res;
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return $this->addObj($folderName , 'Folder', $parid);
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}
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/**
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* Store new file in the storage
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*
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* @param parid int, parent id
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* @param fileName string, name for new file
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* @param mediaFileLP string, local path of media file
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* @param mdataFileLP string, local path of metadata file
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* @param sessid string, session id
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* @param gunid string, global unique id OPTIONAL
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* @return int
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* @exception PEAR::error
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*/
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function putFile($parid, $fileName,
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$mediaFileLP, $mdataFileLP, $sessid='', $gunid=NULL)
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{
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if(($res = $this->_authorize('write', $parid, $sessid)) !== TRUE)
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return $res;
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$name = "$fileName";
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$id = $this->addObj($name , 'File', $parid);
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$ac =& StoredFile::insert(
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&$this, $id, $name, $mediaFileLP, $mdataFileLP, $gunid
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);
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if(PEAR::isError($ac)) return $ac;
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return $id;
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}
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/**
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* Return raw media file.<br>
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* <b>will be probably removed from API</b><br>
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* see access() method
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*
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* @param id int, virt.file's local id
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* @param sessid string, session id
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* @return file
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*/
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function getFile($id, $sessid='')
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{
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return PEAR::raiseError(
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'GreenBox::getFile: probably obsolete API function');
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if(($res = $this->_authorize('read', $id, $sessid)) !== TRUE)
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return $res;
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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else{
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$fname = $ac->accessRawMediaData();
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# readfile($fname);
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return join('', file($fname));
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$fname = $ac->releaseRawMediaData();
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}
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}
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/**
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* Analyze media file for internal metadata information
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*
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* @param id int, virt.file's local id
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* @param sessid string, session id
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* @return array
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*/
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function analyzeFile($id, $sessid='')
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{
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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else{
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# echo"<pre>\n"; print_r($ac); exit;
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$ia = $ac->analyzeMediaFile();
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return $ia;
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}
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}
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/**
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* Create and return access link to media file
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*
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* @param id int, virt.file's local id
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* @param sessid string, session id
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* @return filename as string or PEAR::error
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*/
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function access($id, $sessid='')
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{
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if(($res = $this->_authorize('read', $id, $sessid)) !== TRUE)
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return $res;
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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else{
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$fname = $ac->accessRawMediaData($sessid);
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return $fname;
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}
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}
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/**
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* Release access link to media file
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*
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* @param id int, virt.file's local id
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* @param sessid string, session id
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* @return boolean or PEAR::error
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*/
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function release($id, $sessid='')
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{
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if(($res = $this->_authorize('read', $id, $sessid)) !== TRUE)
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return $res;
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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else{
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$res = $ac->releaseRawMediaData($sessid);
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return $res;
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}
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}
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/**
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* Rename file
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*
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* @param id int, virt.file's local id
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* @param newName string
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* @param sessid string, session id
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* @return boolean or PEAR::error
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*/
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function renameFile($id, $newName, $sessid='')
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{
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$parid = $this->getParent($id);
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if(($res = $this->_authorize('write', $parid, $sessid)) !== TRUE)
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return $res;
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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else{
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$res = $ac->rename($newName);
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if(PEAR::isError($res)) return $res;
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return $this->renameObj($id, $newName);
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}
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}
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/**
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* Move file
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*
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* @param id int, virt.file's local id
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* @param did int, destination folder local id
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* @param sessid string, session id
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* @return boolean or PEAR::error
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*/
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function moveFile($id, $did, $sessid='')
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{
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if($this->getObjType($did) !== 'Folder')
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return PEAR::raiseError(
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'GreenBox::moveFile: destination is not folder', GBERR_WRTYPE
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);
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if(($res = $this->_authorize(
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array('read', 'write'), array($id, $did), $sessid
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)) !== TRUE) return $res;
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$this->_relocateSubtree($id, $did);
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}
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/**
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* Copy file
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*
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* @param id int, virt.file's local id
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* @param did int, destination folder local id
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* @param sessid string, session id
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* @return boolean or PEAR::error
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*/
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function copyFile($id, $did, $sessid='')
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{
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if($this->getObjType($did)!=='Folder')
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return PEAR::raiseError(
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'GreenBox::copyFile: destination is not folder', GBERR_WRTYPE
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);
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if(($res = $this->_authorize(
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array('read', 'write'), array($id, $did), $sessid
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)) !== TRUE) return $res;
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return $this->_copySubtree($id, $did);
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}
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/**
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* Delete file
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*
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* @param id int, virt.file's local id
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* @param sessid int
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* @return true or PEAR::error
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*/
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function deleteFile($id, $sessid='')
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{
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$parid = $this->getParent($id);
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if(($res = $this->_authorize('write', $parid, $sessid)) !== TRUE)
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return $res;
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$res = $this->removeObj($id);
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if(PEAR::isError($res)) return $res;
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return TRUE;
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}
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/* ---------------------------------------------- replicas, versions etc. */
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/**
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* Create replica.<br>
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* <b>TODO: NOT FINISHED</b>
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*
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* @param id int, virt.file's local id
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* @param did int, destination folder local id
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* @param replicaName string, name of new replica
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* @param sessid string, session id
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* @return int, local id of new object
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*/
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function createReplica($id, $did, $replicaName='', $sessid='')
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{
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return PEAR::raiseError(
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'GreenBox::createVersion: not implemented', GBERR_NOTIMPL
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);
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// ---
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if($this->getObjType($did)!=='Folder')
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return PEAR::raiseError(
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'GreenBox::createReplica: dest is not folder', GBERR_WRTYPE
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);
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if(($res = $this->_authorize(
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array('read', 'write'), array($id, $did), $sessid
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)) !== TRUE) return $res;
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if($replicaName=='') $replicaName = $this->getObjName($id);
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while(($exid = $this->getObjId($replicaName, $did))<>'')
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{ $replicaName.='_R'; }
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$rid = $this->addObj($replicaName , 'Replica', $did, 0, $id);
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if(PEAR::isError($rid)) return $rid;
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# $this->addMdata($this->_pathFromId($rid), 'isReplOf', $id, $sessid);
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return $rid;
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}
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/**
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* Create version.<br>
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* <b>TODO: NOT FINISHED</b>
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*
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* @param id int, virt.file's local id
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* @param did int, destination folder local id
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* @param versionLabel string, name of new version
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* @param sessid string, session id
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* @return int, local id of new object
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*/
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function createVersion($id, $did, $versionLabel, $sessid='')
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{
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return PEAR::raiseError(
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'GreenBox::createVersion: not implemented', GBERR_NOTIMPL
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);
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}
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/* ------------------------------------------------------------- metadata */
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/**
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* Update metadata tree
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*
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* @param id int, virt.file's local id
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* @param mdataFile string, local path of metadata XML file
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* @param sessid string, session id
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* @return boolean or PEAR::error
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*/
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function updateMetadata($id, $mdataFile, $sessid='')
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{
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if(($res = $this->_authorize('write', $id, $sessid)) !== TRUE)
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return $res;
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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else{
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return $ac->updateMetaData($mdataFile);
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}
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}
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/**
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* Update object namespace and value of one metadata record
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*
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* @param id int, virt.file's local id
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* @param mdid int, metadata record id
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* @param object string, object value, e.g. title string
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* @param objns string, object namespace prefix, have to be defined
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* in file's metadata (or reserved prefix)
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* @param sessid string, session id
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* @return boolean or PEAR::error
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* @see MetaData
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*/
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function updateMetadataRecord($id, $mdid, $object, $objns='_L', $sessid='')
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{
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if(($res = $this->_authorize('write', $id, $sessid)) !== TRUE)
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return $res;
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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else{
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return $ac->updateMetaDataRecord($mdid, $object, $objns);
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}
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}
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/**
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* Add single metadata record.<br>
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* <b>TODO: NOT FINISHED</b><br>
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* Params could be changed!
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*
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* @param id int, virt.file's local id
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* @param propertyName string
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* @param propertyValue string
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* @param sessid string, session id
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* @return boolean or PEAR::error
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* @see MetaData
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*/
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function addMetaDataRecord($id, $propertyName,
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$propertyValue, $sessid='')
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{
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//if(($res = $this->_authorize('write', $id, $sessid)) !== TRUE)
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// return $res;
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return PEAR::raiseError(
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'GreenBox::addMetaDataRecord: not implemented', GBERR_NOTIMPL
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);
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}
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/**
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* Get metadata XML tree as string
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*
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* @param id int, virt.file's local id
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* @param sessid string, session id
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* @return string or PEAR::error
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*/
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function getMdata($id, $sessid='')
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{
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if(($res = $this->_authorize('read', $id, $sessid)) !== TRUE)
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return $res;
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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else{
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return $ac->getMetaData();
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}
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}
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/**
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* Search in local metadata database.<br>
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* <b>TODO: NOT FINISHED</b><br>
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* Should support structured queries, e.g.:<br>
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* XML file with the structure as metadata, but
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* with SQL LIKE terms instead of metadata values.<br>
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* Some standard query format would be better,
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* but I've not found it yet.
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*
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* @param searchData string, search query -
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* only one SQL LIKE term supported now.
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* It will be searched in all literal object values
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* in metadata database
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* @param sessid string, session id
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* @return array of gunid strings
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*/
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function localSearch($searchData, $sessid='')
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{
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$ftsrch = $searchData;
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$res = $this->dbc->getAll("SELECT md.gunid as gunid
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FROM {$this->filesTable} f, {$this->mdataTable} md
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WHERE f.gunid=md.gunid AND md.objns='_L' AND
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md.object like '$ftsrch'
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GROUP BY md.gunid
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");
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if(!is_array($res)) $res = array();
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return $res;
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}
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/* -------------------------------------------- remote repository methods */
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/**
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* Upload file to remote repository
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*
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* @param id int, virt.file's local id
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* @param gunid string, global id
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* @param sessid string, session id
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* @return string - transfer id or PEAR::error
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*/
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function uploadFile($id, $gunid, $sessid='')
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{
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$res = $this->prepareForTransport($id, $gunid, $sessid);
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if(PEAR::isError($res)) return $res;
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list($mediaFile, $mdataFile, $gunid) = $res;
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$tr =& new Transport(&$this->dbc, $this->config);
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$res = $tr->uploadOpen($mediaFile, 'media', $sessid, $gunid);
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if(PEAR::isError($res)) return $res;
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$res2 = $tr->uploadOpen($mdataFile, 'metadata', $sessid, $gunid);
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if(PEAR::isError($res2)) return $res2;
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$res3 = $tr->getTransportStatus($res);
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$res4 = $tr->getTransportStatus($res2);
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# return $res;
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return array($res, $res2, $res3, $res4);
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}
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/**
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* Download file from remote repository
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*
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* @param gunid int, global unique id
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* @param sessid string, session id
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* @return string - transfer id or PEAR::error
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*/
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function downloadFile($gunid, $sessid='')
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{
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$tr =& new Transport(&$this->dbc, $this->config);
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// get home dir if needed
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$res = $tr->downloadOpen($sessid, 'media', $gunid,
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$this->getSessUserId($sessid)
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);
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if(PEAR::isError($res)) return $res;
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$res2 = $tr->downloadOpen($sessid, 'metadata', $gunid,
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$this->getSessUserId($sessid)
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);
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if(PEAR::isError($res)) return $res;
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$res3 = $tr->getTransportStatus($res);
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$res4 = $tr->getTransportStatus($res2);
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# return $res;
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return array($res, $res2, $res3, $res4);
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}
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/**
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|
* Method for handling interupted transports via cron
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|
*
|
|
*/
|
|
function cronJob()
|
|
{
|
|
$tr =& new Transport(&$this->dbc, $this->config);
|
|
$ru = $tr->uploadCron();
|
|
$rd = $tr->downloadCron(&$this);
|
|
return array($ru, $rd);
|
|
}
|
|
|
|
/**
|
|
* Get status of asynchronous transfer
|
|
*
|
|
* @param transferId int, id of asynchronous transfer
|
|
* returned by uploadFile or downloadFile methods
|
|
* @param sessid string, session id
|
|
* @return string or PEAR::error
|
|
*/
|
|
function getTransferStatus($transferId, $sessid='')
|
|
{
|
|
return PEAR::raiseError(
|
|
'GreenBox::getTransferStatus: not implemented', GBERR_NOTIMPL
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Prepare symlink to media file and create metadata file for transport
|
|
*
|
|
* @param id
|
|
* @param gunid
|
|
* @param sessid
|
|
* @return array
|
|
*/
|
|
function prepareForTransport($id, $gunid, $sessid='')
|
|
{
|
|
if(!$gunid) $gunid = $this->_gunidFromId($id);
|
|
else $id = $this->_idFromGunid($gunid);
|
|
$ac =& StoredFile::recallByGunid(&$this, $gunid);
|
|
if(PEAR::isError($ac)) return $ac;
|
|
$mediaTarget = $ac->_getRealRADFname();
|
|
$mediaFile = "$gunid";
|
|
$mdataFile = "$gunid.xml";
|
|
@symlink($mediaTarget, $this->transDir."/$mediaFile");
|
|
$mdata = $this->getMdata($id, $sessid);
|
|
if(PEAR::isError($mdata)) return $mdata;
|
|
if(!($fh = fopen($this->transDir."/$mdataFile", 'w'))) $res=FALSE;
|
|
else{
|
|
$res = fwrite($fh, $mdata);
|
|
fclose($fh);
|
|
}
|
|
if($res === FALSE) return PEAR::raiseError(
|
|
"GreenBox::prepareForTransport:".
|
|
" can't write metadata tmp file ($mdataFile)"
|
|
);
|
|
return array($mediaFile, $mdataFile, $gunid);
|
|
}
|
|
|
|
/**
|
|
* Insert transported file and metadata into storage.<br>
|
|
* TODO: cals methods from LocStor - it's not good
|
|
*
|
|
* @param sessid string - session id
|
|
* @param file string - local path to filr
|
|
* @param type string - media|metadata|search
|
|
* @param gunid string - global unique id
|
|
*/
|
|
function processTransported($sessid, $file, $type, $gunid='X')
|
|
{
|
|
switch($type){
|
|
case 'media':
|
|
if(!file_exists($file)) break;
|
|
$res = $this->storeAudioClip($sessid, $gunid,
|
|
$file, '');
|
|
if(PEAR::isError($res)) return $res;
|
|
@unlink($file);
|
|
break;
|
|
case 'metadata':
|
|
case 'mdata':
|
|
if(!file_exists($file)) break;
|
|
$res = $this->updateAudioClipMetadata($sessid, $gunid,
|
|
$file);
|
|
if(PEAR::isError($res)){
|
|
// catch valid exception
|
|
if($res->getCode() == GBERR_FOBJNEX){
|
|
$res2 = $this->storeAudioClip($sessid, $gunid,
|
|
'', $file);
|
|
if(PEAR::isError($res2)) return $res2;
|
|
}else return $res;
|
|
}
|
|
@unlink($file);
|
|
break;
|
|
case 'search':
|
|
//$this->localSearch($criteria);
|
|
return PEAR::raiseError("processTranferred: search not implemented");
|
|
break;
|
|
default:
|
|
return PEAR::raiseError("processTranferred: unknown type ($type)");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Search in central metadata database
|
|
*
|
|
* @param searchData string, search query - see localSearch method
|
|
* @param sessid string, session id
|
|
* @return string - job id or PEAR::error
|
|
*/
|
|
function globalSearch($searchData, $sessid='')
|
|
{
|
|
return PEAR::raiseError(
|
|
'GreenBox::globalSearch: not implemented', GBERR_NOTIMPL
|
|
);
|
|
/*
|
|
$srchid = md5($sessid.mtime());
|
|
$fh = fopen($this->transDir."/$srchid", "w");
|
|
fwrite($fh, serialize($searchData));
|
|
fclose($fh);
|
|
$res = $tr->uploadOpen($srchid, 'search', $sessid, $gunid);
|
|
if(PEAR::isError($res)) return $res;
|
|
return $res;
|
|
*/
|
|
}
|
|
|
|
/**
|
|
* Get results from asynchronous search
|
|
*
|
|
* @param transferId int, transfer id returned by
|
|
* @param sessid string, session id
|
|
* @return array with results or PEAR::error
|
|
*/
|
|
function getSearchResults($transferId, $sessid='')
|
|
{
|
|
return PEAR::raiseError(
|
|
'GreenBox::getSearchResults: not implemented', GBERR_NOTIMPL
|
|
);
|
|
}
|
|
|
|
|
|
/* --------------------------------------------------------- info methods */
|
|
|
|
/**
|
|
* List files in folder
|
|
*
|
|
* @param id int, local id of folder
|
|
* @param sessid string, session id
|
|
* @return array
|
|
*/
|
|
function listFolder($id, $sessid='')
|
|
{
|
|
if(($res = $this->_authorize('read', $id, $sessid)) !== TRUE)
|
|
return $res;
|
|
if($this->getObjType($id)!=='Folder')
|
|
return PEAR::raiseError(
|
|
'GreenBox::listFolder: not a folder', GBERR_NOTF
|
|
);
|
|
$a = $this->getDir($id, 'id, name, type, param as target', 'name');
|
|
return $a;
|
|
}
|
|
|
|
/**
|
|
* List files in folder
|
|
*
|
|
* @param id int, local id of object
|
|
* @param relPath string, relative path
|
|
* @return array
|
|
*/
|
|
function getObjIdFromRelPath($id, $relPath='.')
|
|
{
|
|
$a = split('/', $relPath);
|
|
if($this->getObjType($id)!=='Folder') $nid = $this->getparent($id);
|
|
else $nid = $id;
|
|
foreach($a as $i=>$item){
|
|
switch($item){
|
|
case".":
|
|
break;
|
|
case"..":
|
|
$nid = $this->getparent($nid);
|
|
break;
|
|
case"":
|
|
break;
|
|
default:
|
|
$nid = $this->getObjId($item, $nid);
|
|
}
|
|
}
|
|
return $nid;
|
|
}
|
|
|
|
|
|
/* ---------------------------------------------------- redefined methods */
|
|
|
|
/**
|
|
* Logout and destroy session
|
|
*
|
|
* @param sessid string
|
|
* @return true/err
|
|
*/
|
|
function logout($sessid)
|
|
{
|
|
$acfa = $this->dbc->getAll("SELECT * FROM {$this->accessTable}
|
|
WHERE sessid='$sessid'");
|
|
if(PEAR::isError($acfa)) return $acfa;
|
|
foreach($acfa as $i=>$acf){
|
|
$ac =& StoredFile::recallFromLink(&$this, $acf['tmplink'], $sessid);
|
|
$ac->releaseRawMediaData($sessid);
|
|
}
|
|
return parent::logout($sessid);
|
|
}
|
|
|
|
/**
|
|
* Add new user with home folder
|
|
*
|
|
* @param login string
|
|
* @param pass string OPT
|
|
* @return int/err
|
|
*/
|
|
function addSubj($login, $pass=NULL)
|
|
{
|
|
$uid = parent::addSubj($login, $pass);
|
|
if(PEAR::isError($uid)) return $uid;
|
|
$fid = $this->addObj($login , 'Folder', $this->storId);
|
|
if(PEAR::isError($fid)) return $fid;
|
|
$res = $this->addPerm($uid, '_all', $fid, 'A');
|
|
if(PEAR::isError($res)) return $res;
|
|
return $uid;
|
|
}
|
|
/**
|
|
* Remove user and his home folder
|
|
*
|
|
* @param login string
|
|
* @param uid int OPT
|
|
* @return boolean/err
|
|
*/
|
|
function removeSubj($login, $uid=NULL)
|
|
{
|
|
$res = parent::removeSubj($login, $pass);
|
|
if(PEAR::isError($res)) return $res;
|
|
$id = $this->getObjId($login, $this->storId);
|
|
if(PEAR::isError($id)) return $id;
|
|
$res = $this->removeObj($id);
|
|
if(PEAR::isError($res)) return $res;
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Get file's path in virtual filesystem
|
|
*
|
|
* @param id int
|
|
* @return array
|
|
*/
|
|
function getPath($id)
|
|
{
|
|
$pa = parent::getPath($id, 'id, name, type'); array_shift($pa);
|
|
return $pa;
|
|
}
|
|
|
|
/* ==================================================== "private" methods */
|
|
|
|
/**
|
|
* Copy virtual file.<br>
|
|
* Redefined from parent class.
|
|
*
|
|
* @return id
|
|
*/
|
|
function copyObj($id, $newParid, $after='')
|
|
{
|
|
$nid = parent::copyObj($id, $newParid, $after='');
|
|
if($this->getObjType($id)==='File'){
|
|
$ac =& StoredFile::recall(&$this, $id);
|
|
if(PEAR::isError($ac)){ return $ac; }
|
|
$ac2 =& StoredFile::copyOf(&$ac, $nid);
|
|
}
|
|
return $nid;
|
|
}
|
|
/**
|
|
* Optionaly remove virtual file with the same name and add new one.<br>
|
|
* Redefined from parent class.
|
|
*
|
|
* @return id
|
|
*/
|
|
function addObj($name, $type, $parid=1, $aftid=NULL, $param='')
|
|
{
|
|
if(!is_null($exid = $this->getObjId($name, $parid)))
|
|
{ $this->removeObj($exid); }
|
|
return parent::addObj($name, $type, $parid, $aftid, $param);
|
|
}
|
|
|
|
/**
|
|
* Remove virtual file.<br>
|
|
* Redefined from parent class.
|
|
*
|
|
* @param id int, local id of removed object
|
|
* @return true or PEAR::error
|
|
*/
|
|
function removeObj($id)
|
|
{
|
|
switch($this->getObjType($id)){
|
|
case"File":
|
|
$ac =& StoredFile::recall(&$this, $id);
|
|
if(!PEAR::isError($ac)){
|
|
$ac->delete();
|
|
}
|
|
parent::removeObj($id);
|
|
break;
|
|
case"Folder":
|
|
parent::removeObj($id);
|
|
break;
|
|
case"Replica":
|
|
parent::removeObj($id);
|
|
break;
|
|
default:
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Check authorization - auxiliary method
|
|
*
|
|
* @param acts array of actions
|
|
* @param pars array of parameters - e.g. ids
|
|
* @param sessid string, session id
|
|
* @return true or PEAR::error
|
|
*/
|
|
function _authorize($acts, $pars, $sessid='')
|
|
{
|
|
$userid = $this->getSessUserId($sessid);
|
|
if(!is_array($pars)) $pars = array($pars);
|
|
if(!is_array($acts)) $acts = array($acts);
|
|
$perm = true;
|
|
foreach($acts as $i=>$action){
|
|
$res = $this->checkPerm($userid, $action, $pars[$i]);
|
|
if(PEAR::isError($res)) return $res;
|
|
$perm = $perm && $res;
|
|
}
|
|
if($perm) return TRUE;
|
|
$adesc = "[".join(',',$acts)."]";
|
|
return PEAR::raiseError("GreenBox::$adesc: access denied", GBERR_DENY);
|
|
}
|
|
|
|
/**
|
|
* Create fake session for downloaded files
|
|
*
|
|
* @param userid user id
|
|
* @return string sessid
|
|
*/
|
|
function _fakeSession($userid)
|
|
{
|
|
$sessid = $this->_createSessid();
|
|
if(PEAR::isError($sessid)) return $sessid;
|
|
$login = $this->getSubjName($userid);
|
|
$r = $this->dbc->query("INSERT INTO {$this->sessTable}
|
|
(sessid, userid, login, ts)
|
|
VALUES
|
|
('$sessid', '$userid', '$login', now())");
|
|
if(PEAR::isError($r)) return $r;
|
|
return $sessid;
|
|
}
|
|
|
|
/**
|
|
* Get local id from global id
|
|
*
|
|
* @param gunid string global id
|
|
* @return int local id
|
|
*/
|
|
function _idFromGunid($gunid)
|
|
{
|
|
return $this->dbc->getOne(
|
|
"SELECT id FROM {$this->filesTable} WHERE gunid='$gunid'"
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get global id from local id
|
|
*
|
|
* @param id int local id
|
|
* @return string global id
|
|
*/
|
|
function _gunidFromId($id)
|
|
{
|
|
if(!is_numeric($id)) return NULL;
|
|
return $this->dbc->getOne(
|
|
"SELECT gunid FROM {$this->filesTable} WHERE id='$id'"
|
|
);
|
|
}
|
|
|
|
/* =============================================== test and debug methods */
|
|
/**
|
|
* dump
|
|
*
|
|
*/
|
|
function dump($id='', $indch=' ', $ind='', $format='{name}')
|
|
{
|
|
if($id=='') $id = $this->storId;
|
|
return parent::dump($id, $indch, $ind, $format);
|
|
}
|
|
|
|
/**
|
|
*
|
|
*
|
|
*/
|
|
function dumpDir($id='', $format='$o["name"]')
|
|
{
|
|
if($id=='') $id = $this->storId;
|
|
$arr = $this->getDir($id, 'id,name');
|
|
// if($this->doDebug){ $this->debug($arr); exit; }
|
|
$arr = array_map(create_function('$o', 'return "'.$format.'";'), $arr);
|
|
return join('', $arr);
|
|
}
|
|
|
|
/**
|
|
*
|
|
*
|
|
*/
|
|
function debug($va)
|
|
{
|
|
echo"<pre>\n"; print_r($va); #exit;
|
|
}
|
|
|
|
/**
|
|
* deleteData
|
|
*
|
|
* @return void
|
|
*/
|
|
function deleteData()
|
|
{
|
|
// $this->dbc->query("DELETE FROM {$this->filesTable}");
|
|
$ids = $this->dbc->getAll("SELECT id FROM {$this->filesTable}");
|
|
if(is_array($ids)) foreach($ids as $i=>$item){
|
|
$this->removeObj($item['id']);
|
|
}
|
|
parent::deleteData();
|
|
$this->initData();
|
|
}
|
|
/**
|
|
* testData
|
|
*
|
|
*/
|
|
function testData($d='')
|
|
{
|
|
$exdir = '../../../storageServer/var/tests';
|
|
$s = $this->sessid;
|
|
$o[] = $this->addSubj('test1', 'a');
|
|
$o[] = $this->addSubj('test2', 'a');
|
|
$o[] = $this->addSubj('test3', 'a');
|
|
$o[] = $this->addSubj('test4', 'a');
|
|
|
|
$o[] = $t1hd = $this->getObjId('test1', $this->storId);
|
|
$o[] = $t1d1 = $this->createFolder($t1hd, 'test1_folder1', $s);
|
|
$o[] = $this->createFolder($t1hd, 'test1_folder2', $s);
|
|
$o[] = $this->createFolder($t1d1, 'test1_folder1_1', $s);
|
|
$o[] = $t1d12 = $this->createFolder($t1d1, 'test1_folder1_2', $s);
|
|
|
|
$o[] = $t2hd = $this->getObjId('test2', $this->storId);
|
|
$o[] = $this->createFolder($t2hd, 'test2_folder1', $s);
|
|
|
|
$o[] = $this->putFile($t1hd, 'file1.mp3', "$exdir/ex1.mp3", '', $s);
|
|
$o[] = $this->putFile($t1d12 , 'file2.wav', "$exdir/ex2.wav", '', $s);
|
|
/*
|
|
*/
|
|
$this->tdata['storage'] = $o;
|
|
}
|
|
|
|
/**
|
|
* test
|
|
*
|
|
*/
|
|
function test()
|
|
{
|
|
// if(PEAR::isError($p = parent::test())) return $p;
|
|
$this->deleteData();
|
|
$this->login('root', $this->config['tmpRootPass']);
|
|
$this->testData();
|
|
$this->logout($this->sessid);
|
|
$this->test_correct = " StorageRoot
|
|
root
|
|
test1
|
|
test1_folder1
|
|
test1_folder1_1
|
|
test1_folder1_2
|
|
file2.wav
|
|
test1_folder2
|
|
file1.mp3
|
|
test2
|
|
test2_folder1
|
|
test3
|
|
test4
|
|
";
|
|
$this->test_dump = $this->dumpTree($this->storId);
|
|
if($this->test_dump==$this->test_correct)
|
|
{ $this->test_log.="storageServer: OK\n"; return true; }
|
|
else PEAR::raiseError('GreenBox::test:', 1, PEAR_ERROR_DIE, '%s'.
|
|
"<pre>\ncorrect:\n.{$this->test_correct}.\n".
|
|
"dump:\n.{$this->test_dump}.\n</pre>\n");
|
|
}
|
|
|
|
/**
|
|
* initData - initialize
|
|
*
|
|
*/
|
|
function initData()
|
|
{
|
|
$this->rootId = $this->getRootNode();
|
|
$this->storId = $this->wd =
|
|
$this->addObj('StorageRoot', 'Folder', $this->rootId);
|
|
$rootUid = parent::addSubj('root', $this->config['tmpRootPass']);
|
|
$this->login('root', $this->config['tmpRootPass']);
|
|
$res = $this->addPerm($rootUid, '_all', $this->rootId, 'A');
|
|
$fid = $this->createFolder($this->storId, 'root', $this->sessid);
|
|
# $id = $this->dbc->nextId("{$this->mdataTable}_id_seq");
|
|
$this->logout($this->sessid);
|
|
}
|
|
/**
|
|
* install - create tables
|
|
*
|
|
*/
|
|
function install()
|
|
{
|
|
parent::install();
|
|
$this->dbc->query("CREATE TABLE {$this->filesTable} (
|
|
id int not null,
|
|
gunid char(32) not null,
|
|
name varchar(255) not null default'',
|
|
type varchar(255) not null default'',
|
|
currentlyAccessing int not null default 0
|
|
)");
|
|
$this->dbc->query("CREATE UNIQUE INDEX {$this->filesTable}_id_idx
|
|
ON {$this->filesTable} (id)");
|
|
$this->dbc->query("CREATE UNIQUE INDEX {$this->filesTable}_gunid_idx
|
|
ON {$this->filesTable} (gunid)");
|
|
$this->dbc->query("CREATE INDEX {$this->filesTable}_name_idx
|
|
ON {$this->filesTable} (name)");
|
|
|
|
$this->dbc->createSequence("{$this->mdataTable}_id_seq");
|
|
$this->dbc->query("CREATE TABLE {$this->mdataTable} (
|
|
id int not null,
|
|
gunid char(32),
|
|
subjns varchar(255), -- subject namespace shortcut/uri
|
|
subject varchar(255) not null default '',
|
|
predns varchar(255), -- predicate namespace shortcut/uri
|
|
predicate varchar(255) not null,
|
|
predxml char(1) not null default 'T', -- Tag or Attribute
|
|
objns varchar(255), -- object namespace shortcut/uri
|
|
object text
|
|
)");
|
|
$this->dbc->query("CREATE UNIQUE INDEX {$this->mdataTable}_id_idx
|
|
ON {$this->mdataTable} (id)");
|
|
$this->dbc->query("CREATE INDEX {$this->mdataTable}_gunid_idx
|
|
ON {$this->mdataTable} (gunid)");
|
|
$this->dbc->query("CREATE INDEX {$this->mdataTable}_subj_idx
|
|
ON {$this->mdataTable} (subjns, subject)");
|
|
$this->dbc->query("CREATE INDEX {$this->mdataTable}_pred_idx
|
|
ON {$this->mdataTable} (predns, predicate)");
|
|
|
|
$this->dbc->query("CREATE TABLE {$this->accessTable} (
|
|
gunid char(32) not null,
|
|
sessid char(32) not null,
|
|
tmpLink varchar(255) not null default'',
|
|
ts timestamp
|
|
)");
|
|
$this->dbc->query("CREATE INDEX {$this->accessTable}_acc_idx
|
|
ON {$this->accessTable} (tmpLink, sessid)");
|
|
if(!file_exists($this->bufferDir)){
|
|
mkdir($this->bufferDir, 02775);
|
|
chmod($this->bufferDir, 02775); // may be obsolete
|
|
}
|
|
$this->initData();
|
|
}
|
|
/**
|
|
* id subjns subject predns predicate objns object
|
|
* y1 literal xmbf NULL namespace literal http://www.sotf.org/xbmf
|
|
* x1 gunid <gunid> xbmf contributor NULL NULL
|
|
* x2 mdid x1 xbmf role literal Editor
|
|
*
|
|
* predefined shortcuts:
|
|
* _L = literal
|
|
* _G = gunid (global id of media file)
|
|
* _I = mdid (local id of metadata record)
|
|
* _nssshortcut = namespace shortcut definition
|
|
* _blank = blank node
|
|
*/
|
|
|
|
/**
|
|
* uninstall
|
|
*
|
|
* @return void
|
|
*/
|
|
function uninstall()
|
|
{
|
|
$this->dbc->query("DROP TABLE {$this->mdataTable}");
|
|
$this->dbc->dropSequence("{$this->mdataTable}_id_seq");
|
|
$this->dbc->query("DROP TABLE {$this->filesTable}");
|
|
$this->dbc->query("DROP TABLE {$this->accessTable}");
|
|
$d = dir($this->storageDir);
|
|
while (is_object($d) && (false !== ($entry = $d->read()))){
|
|
if(filetype("{$this->storageDir}/$entry")=='dir' &&
|
|
$entry!='CVS' && strlen($entry)==3)
|
|
{
|
|
$dd = dir("{$this->storageDir}/$entry");
|
|
while (false !== ($ee = $dd->read())){
|
|
if(substr($ee, 0, 1)!=='.')
|
|
unlink("{$this->storageDir}/$entry/$ee");
|
|
}
|
|
$dd->close();
|
|
rmdir("{$this->storageDir}/$entry");
|
|
}
|
|
}
|
|
if(is_object($d)) $d->close();
|
|
if(file_exists($this->bufferDir)){
|
|
$d = dir($this->bufferDir);
|
|
while (false !== ($entry = $d->read())) if(substr($entry,0,1)!='.')
|
|
{ unlink("{$this->bufferDir}/$entry"); }
|
|
$d->close();
|
|
rmdir($this->bufferDir);
|
|
}
|
|
parent::uninstall();
|
|
}
|
|
|
|
/**
|
|
* Aux logging for debug
|
|
*
|
|
* @param msg string - log message
|
|
*/
|
|
function debugLog($msg)
|
|
{
|
|
$fp=fopen("{$this->storageDir}/log", "a") or die("Can't write to log\n");
|
|
fputs($fp, date("H:i:s").">$msg<\n");
|
|
fclose($fp);
|
|
}
|
|
}
|
|
?>
|