867 lines
28 KiB
PHP
867 lines
28 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: 1.7 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storageServer/var/BasicStor.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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* BasicStor class
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*
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* Core of LiveSupport file storage module
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*
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* @author $Author: tomas $
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* @version $Revision: 1.7 $
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* @see Alib
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*/
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class BasicStor 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 $doDebug = true;
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/**
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* Constructor
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*
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* @param dbc PEAR::db abstract class reference
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* @param config config array from conf.php
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* @return class instance
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*/
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function BasicStor(&$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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/**
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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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* @return id of new folder
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* @exception PEAR::error
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*/
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function bsCreateFolder($parid, $folderName)
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{
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return $this->addObj($folderName , 'Folder', $parid);
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}
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/**
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* Store new file in the storage
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*
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* @param parid int, parent id
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* @param fileName string, name for new file
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* @param mediaFileLP string, local path of media file
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* @param mdataFileLP string, local path of metadata file
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* @param gunid string, global unique id OPTIONAL
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* @param ftype string, internal file type
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* @return int
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* @exception PEAR::error
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*/
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function bsPutFile($parid, $fileName,
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$mediaFileLP, $mdataFileLP, $gunid=NULL, $ftype='unKnown')
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{
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$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, $mdataFileLP, 'file',
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$gunid, $ftype
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);
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if(PEAR::isError($ac)) return $ac;
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return $id;
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}
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/**
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* Analyze media file for internal metadata information
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*
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* @param id int, virt.file's local id
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* @return array
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*/
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function bsAnalyzeFile($id)
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{
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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$ia = $ac->analyzeMediaFile();
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return $ia;
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}
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/**
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* Rename file
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*
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* @param id int, virt.file's local id
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* @param newName string
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* @return boolean or PEAR::error
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*/
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function bsRenameFile($id, $newName)
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{
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$parid = $this->getParent($id);
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)){
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// catch nonerror exception:
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if($ac->getCode() != GBERR_FOBJNEX) return $ac;
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}
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$res = $ac->rename($newName);
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if(PEAR::isError($res)) return $res;
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return $this->renameObj($id, $newName);
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}
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/**
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* Move file
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*
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* @param id int, virt.file's local id
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* @param did int, destination folder local id
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* @return boolean or PEAR::error
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*/
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function bsMoveFile($id, $did)
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{
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if($this->getObjType($did) !== 'Folder')
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return PEAR::raiseError(
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'BasicStor::moveFile: destination is not folder', GBERR_WRTYPE
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);
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$this->_relocateSubtree($id, $did);
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}
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/**
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* Copy file
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*
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* @param id int, virt.file's local id
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* @param did int, destination folder local id
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* @return boolean or PEAR::error
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*/
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function bsCopyFile($id, $did)
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{
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if($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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return $this->_copySubtree($id, $did);
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}
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/**
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* Delete file
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*
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* @param id int, virt.file's local id
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* @return true or PEAR::error
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*/
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function bsDeleteFile($id)
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{
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$parid = $this->getParent($id);
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$res = $this->removeObj($id);
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if(PEAR::isError($res)) return $res;
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return TRUE;
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}
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/* ----------------------------------------------------- put, access etc. */
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/**
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* Check validity of asscess/put token
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*
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* @param token string, access/put token
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* @param type string 'put'|'access'|'download'
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* @return boolean
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*/
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function bsCheckToken($token, $type='put')
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{
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$cnt = $this->dbc->getOne("
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SELECT count(token) FROM {$this->accessTable}
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WHERE token=x'{$token}'::bigint AND type='$type'
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");
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if(PEAR::isError($cnt)){ return FALSE; }
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return ($cnt == 1);
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}
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/**
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* Create and return access link to real file
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*
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* @param realFname string, local filepath to accessed file
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* @param ext string, useful filename extension for accessed file
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* @param gunid int, global unique id
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* @param sessid string, session id
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* @param type string 'access'|'download'
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* @return array with: seekable filehandle, access token
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*/
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function bsAccess($realFname, $ext, $gunid, $sessid='', $type='access')
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{
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$token = StoredFile::_createGunid();
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$res = $this->dbc->query("
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INSERT INTO {$this->accessTable}
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(gunid, sessid, token,
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ext, type, ts)
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VALUES
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(x'{$gunid}'::bigint, '$sessid', x'$token'::bigint,
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'$ext', '$type', now())
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");
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if(PEAR::isError($res)){ return $res; }
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$linkFname = "{$this->accessDir}/$token.$ext";
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if(!file_exists($realFname)){
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return PEAR::raiseError(
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"BasicStor::bsAccess: symlink create failed ($accLinkName)",
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GBERR_FILEIO);
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}
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if(! @symlink($realFname, $linkFname)){
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return PEAR::raiseError(
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"BasicStor::bsAccess: symlink create failed ($linkFname)",
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GBERR_FILEIO);
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}
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return array('fname'=>$linkFname, 'token'=>$token);
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}
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/**
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* Release access link to real file
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*
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* @param token string, access token
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* @param type string 'access'|'download'
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* @return string, global unique ID
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*/
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function bsRelease($token, $type='access')
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{
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if(!$this->bsCheckToken($token, $type)){
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return PEAR::raiseError(
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"BasicStor::bsRelease: invalid token ($token)"
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);
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}
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$acc = $this->dbc->getRow("
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SELECT to_hex(gunid)as gunid, ext FROM {$this->accessTable}
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WHERE token=x'{$token}'::bigint AND type='$type'
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");
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$ext = $acc['ext'];
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$gunid = StoredFile::_normalizeGunid($acc['gunid']);
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if(PEAR::isError($acc)){ return $acc; }
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$linkFname = "{$this->accessDir}/$token.$ext";
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$res = $this->dbc->query("
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DELETE FROM {$this->accessTable} WHERE token=x'$token'::bigint
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");
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if(PEAR::isError($res)){ return $res; }
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if(! @unlink($linkFname)){
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return PEAR::raiseError(
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"BasicStor::bsRelease: unlink failed ($linkFname)",
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GBERR_FILEIO);
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}
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return $gunid;
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}
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/**
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* Create and return downloadable URL for file
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*
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* @param id int, virt.file's local id
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* @param part string, 'media'|'metadata'
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* @return array with: downloadable URL, download token
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*/
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function bsOpenDownload($id, $part='media')
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{
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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$gunid = $ac->gunid;
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switch($part){
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case"media":
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$fname = $ac->_getRealRADFname();
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$ext = $ac->_getExt();
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break;
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case"metadata":
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$fname = $ac->_getRealMDFname();
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$ext = "xml";
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break;
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}
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$sessid = '';
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$acc = $this->bsAccess($fname, $ext, $gunid, $sessid, 'download');
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$url = $this->getUrlPart()."access/".basename($acc['fname']);
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return array('url'=>$url, 'token'=>$acc['token']);
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}
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/**
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* Discard downloadable URL
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*
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* @param token string, download token
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* @param part string, 'media'|'metadata'
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* @return string, gunid
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*/
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function bsCloseDownload($token, $part='media')
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{
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if(!$this->bsCheckToken($token, 'download')){
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return PEAR::raiseError(
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"BasicStor::bsCloseDownload: invalid token ($token)"
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);
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}
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return $this->bsRelease($token, 'download');
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}
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/**
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* Create writable URL for HTTP PUT method file insert
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*
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* @param chsum string, md5sum of the file having been put
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* @param gunid string, global unique id
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* @return array with: writable URL, PUT token
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*/
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function bsOpenPut($chsum, $gunid)
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{
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$sessid = '';
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$ext = '';
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$token = StoredFile::_createGunid();
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$res = $this->dbc->query("
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INSERT INTO {$this->accessTable}
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(gunid, sessid, token, ext, chsum, type, ts)
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VALUES
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(x'{$gunid}'::bigint, '$sessid', x'$token'::bigint,
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'$ext', '$chsum', 'put', now())
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");
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if(PEAR::isError($res)){ return $res; }
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$fname = "{$this->accessDir}/$token";
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touch($fname); // is it needed?
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$url = $this->getUrlPart()."xmlrpc/put.php?token=$token";
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return array('url'=>$url, 'token'=>$token);
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}
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/**
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* Get file from writable URL and return local filename.
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* Caller should move or unlink this file.
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*
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* @param token string, PUT token
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* @return string, local path of the file having been put
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*/
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function bsClosePut($token)
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{
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if(!$this->bsCheckToken($token, 'put')){
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return PEAR::raiseError(
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"BasicStor::bsClosePut: invalid token ($token)"
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);
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}
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$chsum = $this->dbc->getOne("
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SELECT chsum FROM {$this->accessTable}
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WHERE token=x'{$token}'::bigint
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");
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$res = $this->dbc->query("
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DELETE FROM {$this->accessTable} WHERE token=x'$token'::bigint
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");
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if(PEAR::isError($res)){ return $res; }
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$fname = "{$this->accessDir}/$token";
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$md5sum = md5_file($fname);
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if($chsum != $md5sum){
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if(file_exists($fname)) @unlink($fname);
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return PEAR::raiseError(
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"BasicStor::bsClosePut: md5sum does not match (token=$token)"
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);
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}
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return $fname;
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}
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/**
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* Return starting part of storageServer URL
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*
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* @return string, url
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*/
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function getUrlPart()
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{
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$host = $this->config['storageUrlHost'];
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$port = $this->config['storageUrlPort'];
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$path = $this->config['storageUrlPath'];
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return "http://$host:$port$path/";
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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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* @return int, local id of new object
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*/
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function bsCreateReplica($id, $did, $replicaName)
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{
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return PEAR::raiseError(
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'GreenBox::createVersion: not implemented', GBERR_NOTIMPL
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);
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// ---
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if($this->getObjType($did)!=='Folder')
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return PEAR::raiseError(
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'GreenBox::createReplica: dest is not folder', GBERR_WRTYPE
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);
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if($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 $rid;
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}
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/**
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* Create version.<br>
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* <b>TODO: NOT FINISHED</b>
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*
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* @param id int, virt.file's local id
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* @param did int, destination folder local id
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* @param versionLabel string, name of new version
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* @return int, local id of new object
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*/
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function bsCreateVersion($id, $did, $versionLabel)
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{
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return PEAR::raiseError(
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'GreenBox::createVersion: not implemented', GBERR_NOTIMPL
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);
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}
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/* ------------------------------------------------------------- metadata */
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/**
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* Replace metadata with new XML file or string
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*
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* @param id int, virt.file's local id
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* @param mdata string, local path of metadata XML file
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* @param mdataLoc string 'file'|'string'
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* @return boolean or PEAR::error
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*/
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function bsReplaceMetadata($id, $mdata, $mdataLoc='file')
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{
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$ac =& StoredFile::recall(&$this, $id);
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if(PEAR::isError($ac)) return $ac;
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return $ac->replaceMetaData($mdata, $mdataLoc);
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}
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/**
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* Get metadata as XML string
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*
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* @param id int, virt.file's local id
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* @return string or PEAR::error
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*/
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function bsGetMetadata($id)
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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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return $ac->getMetaData();
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}
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/**
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* Search in local metadata database.<br>
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* <b>TODO: NOT FINISHED</b><br>
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* It will support structured queries - array of mode and query parts.
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* Mode is "match all" or "match any".
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* Query parts is array of [fieldname, operator, value] entities.
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*
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* @param criteria string, search query -
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* only one SQL LIKE term supported now.
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* It will be searched in all literal object values
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* in metadata database
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* @return array of gunid strings
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*/
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function bsLocalSearch($criteria)
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{
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$types = array('and'=>'AND', 'or'=>'OR');
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$ops = array('full'=>"='%s'", 'partial'=>"like '%%%s%%'", 'prefix'=>"like '%s%%'",
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'<'=>"< '%s'", '='=>"= '%s'", '>'=>"> '%s'", '<='=>"<= '%s'", '>='=>">= '%s'"
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);
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# var_dump($criteria);
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echo "\n";
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$type = strtolower($criteria['type']);
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$conds = $criteria['conds'];
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$whereArr = array();
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foreach($conds as $cond){
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$cat = strtolower($cond['cat']);
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$opVal = sprintf($ops[$cond['op']], strtolower($cond['val']));
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$sqlCond = "
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%s.predicate = '".str_replace("%", "%%", $cat)."' AND
|
|
%s.objns='_L' AND lower(%s.object) ".str_replace("%", "%%", $opVal)."\n
|
|
";
|
|
# echo "$sqlCond\n";
|
|
$whereArr[] = "$sqlCond";
|
|
}
|
|
if($type == 'and'){
|
|
$from = array(); $joinArr = array();
|
|
foreach($whereArr as $i=>$v){
|
|
$from[] = "{$this->mdataTable} md$i";
|
|
$whereArr[$i] = sprintf($v, "md$i", "md$i", "md$i");
|
|
$joinArr[] = "md$i.gunid = md".($i+1).".gunid";
|
|
}
|
|
array_pop($joinArr);
|
|
$sql = "SELECT to_hex(md0.gunid)as gunid \nFROM ".join(", ", $from).
|
|
"\nWHERE ".join(' AND ', $whereArr);
|
|
if(count($joinArr)>0){ $sql .= " AND ".join(" AND ", $joinArr); }
|
|
}else{
|
|
foreach($whereArr as $i=>$v){
|
|
$whereArr[$i] = sprintf($v, "md", "md", "md");
|
|
}
|
|
$sql = "\nSELECT to_hex(gunid)as gunid \n".
|
|
"FROM {$this->mdataTable} md \nWHERE ".join(' OR ', $whereArr);
|
|
}
|
|
echo "$sql\n";
|
|
# var_dump($whereArr);
|
|
$sql0 = "SELECT to_hex(md.gunid)as gunid
|
|
FROM {$this->filesTable} f, {$this->mdataTable} md
|
|
WHERE f.gunid=md.gunid AND md.objns='_L' AND
|
|
md.object like '%$criteria%'
|
|
GROUP BY md.gunid
|
|
";
|
|
$res = $this->dbc->getCol($sql);
|
|
if(!is_array($res)) $res = array();
|
|
// $res = array_map("StoredFile::_normalizeGunid", $res); // TODO: correct!
|
|
return $res;
|
|
}
|
|
|
|
/* --------------------------------------------------------- info methods */
|
|
|
|
/**
|
|
* List files in folder
|
|
*
|
|
* @param id int, local id of folder
|
|
* @return array
|
|
*/
|
|
function bsListFolder($id)
|
|
{
|
|
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 $nid;
|
|
}
|
|
|
|
/* =============================================== test and debug methods */
|
|
/**
|
|
* dump
|
|
*
|
|
*/
|
|
function dump($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';
|
|
$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 = $this->bsCreateFolder($t1hd, 'test1_folder1');
|
|
$o[] = $this->bsCreateFolder($t1hd, 'test1_folder2');
|
|
$o[] = $this->bsCreateFolder($t1d1, 'test1_folder1_1');
|
|
$o[] = $t1d12 = $this->bsCreateFolder($t1d1, 'test1_folder1_2');
|
|
|
|
$o[] = $t2hd = $this->getObjId('test2', $this->storId);
|
|
$o[] = $this->bsCreateFolder($t2hd, 'test2_folder1');
|
|
|
|
$o[] = $this->bsPutFile($t1hd, 'file1.mp3', "$exdir/ex1.mp3", '');
|
|
$o[] = $this->bsPutFile($t1d12, 'file2.wav', "$exdir/ex2.wav", '');
|
|
/*
|
|
*/
|
|
$this->tdata['storage'] = $o;
|
|
}
|
|
|
|
/**
|
|
* test
|
|
*
|
|
*/
|
|
function test()
|
|
{
|
|
// if(PEAR::isError($p = parent::test())) return $p;
|
|
$this->deleteData();
|
|
$this->testData();
|
|
$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']);
|
|
$res = $this->addPerm($rootUid, '_all', $this->rootId, 'A');
|
|
$fid = $this->bsCreateFolder($this->storId, 'root');
|
|
}
|
|
/**
|
|
* install - create tables
|
|
*
|
|
* file states:
|
|
* <ul>
|
|
* <li>empty</li>
|
|
* <li>incomplete</li>
|
|
* <li>ready</li>
|
|
* <li>edited</li>
|
|
* </ul>
|
|
|
|
* file types:
|
|
* <ul>
|
|
* <li>audioclip</li>
|
|
* <li>playlist</li>
|
|
* <li>preferences</li>
|
|
* </ul>
|
|
*/
|
|
function install()
|
|
{
|
|
parent::install();
|
|
#echo "{$this->filesTable}\n";
|
|
$r = $this->dbc->query("CREATE TABLE {$this->filesTable} (
|
|
id int not null,
|
|
gunid bigint not null, -- global unique ID
|
|
name varchar(255) not null default'', -- human file id ;)
|
|
mime varchar(255) not null default'', -- mime type
|
|
ftype varchar(128) not null default'', -- file type
|
|
state varchar(128) not null default'empty', -- file state
|
|
currentlyAccessing int not null default 0 -- access counter
|
|
)");
|
|
if(PEAR::isError($r)) return $r;
|
|
$this->dbc->query("CREATE UNIQUE INDEX {$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 {$this->filesTable} (name)");
|
|
|
|
#echo "{$this->mdataTable}\n";
|
|
$this->dbc->createSequence("{$this->mdataTable}_id_seq");
|
|
$r = $this->dbc->query("CREATE TABLE {$this->mdataTable} (
|
|
id int not null,
|
|
gunid bigint,
|
|
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
|
|
)");
|
|
if(PEAR::isError($r)) return $r;
|
|
$this->dbc->query("CREATE UNIQUE INDEX {$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 {$this->mdataTable} (predns, predicate)");
|
|
|
|
#echo "{$this->accessTable}\n";
|
|
$r = $this->dbc->query("CREATE TABLE {$this->accessTable} (
|
|
gunid bigint,
|
|
sessid char(32) not null default'',
|
|
token bigint,
|
|
chsum char(32) not null default'',
|
|
ext varchar(128) not null default'',
|
|
type varchar(20) not null default'',
|
|
ts timestamp
|
|
)");
|
|
if(PEAR::isError($r)) return $r;
|
|
$this->dbc->query("CREATE INDEX {$this->accessTable}_token_idx
|
|
ON {$this->accessTable} (token)");
|
|
$this->dbc->query("CREATE INDEX {$this->accessTable}_gunid_idx
|
|
ON {$this->accessTable} (gunid)");
|
|
if(!file_exists($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);
|
|
}
|
|
|
|
}
|
|
?>
|