1484 lines
48 KiB
PHP
1484 lines
48 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: 1.39 $
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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_SESS', 48);
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define('GBERR_PREF', 49);
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define('GBERR_TOKEN', 50);
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define('GBERR_PUT', 51);
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define('GBERR_NOTIMPL', 69);
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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: 1.39 $
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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', $parid);
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}
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/**
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* Store new file in the storage
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*
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* @param parid int, parent id
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* @param fileName string, name for new file
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* @param mediaFileLP string, local path of media file
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* @param mdataFileLP string, local path of metadata file
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* @param gunid string, global unique id OPTIONAL
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* @param ftype string, internal file type
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* @param mdataLoc string 'file'|'string' (optional)
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* @return int
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* @exception PEAR::error
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*/
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function bsPutFile($parid, $fileName, $mediaFileLP, $mdataFileLP,
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$gunid=NULL, $ftype='unKnown', $mdataLoc='file')
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{
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$name = "$fileName";
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$id = $this->addObj($name , $ftype, $parid);
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$ac =& StoredFile::insert(
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$this, $id, $name, $mediaFileLP, $mdataFileLP, $mdataLoc,
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$gunid, $ftype
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);
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if($this->dbc->isError($ac)){
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$res = $this->removeObj($id);
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return $ac;
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}
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if($ftype == 'playlist') $ac->setMime('application/smil');
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return $id;
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}
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/**
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* Rename file
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*
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* @param id int, virt.file's local id
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* @param newName string
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* @return boolean or PEAR::error
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*/
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function bsRenameFile($id, $newName)
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{
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$parid = $this->getParent($id);
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switch($this->getObjType($id)){
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case"audioclip":
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case"playlist":
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case"webstream":
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$ac =& StoredFile::recall($this, $id);
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if($this->dbc->isError($ac)){
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// catch nonerror exception:
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//if($ac->getCode() != GBERR_FOBJNEX)
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return $ac;
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}
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$res = $ac->rename($newName);
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if($this->dbc->isError($res)) return $res;
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break;
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case"File":
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default:
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}
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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, $did)
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{
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$parid = $this->getParent($id);
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if($this->getObjType($did) !== 'Folder')
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return $this->dbc->raiseError(
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"BasicStor::moveFile: destination is not folder ($did)",
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GBERR_WRTYPE
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);
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switch($this->getObjType($id)){
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case"audioclip":
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case"playlist":
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case"webstream":
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case"File":
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case"Folder":
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return $this->moveObj($id, $did);
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break;
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default:
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return $this->dbc->raiseError(
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"BasicStor::moveFile: unsupported object to move, sorry.",
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GBERR_WRTYPE
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);
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}
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}
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/**
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* Copy file
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*
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* @param id int, virt.file's local id
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* @param did int, destination folder local id
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* @return boolean or PEAR::error
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*/
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function bsCopyFile($id, $did)
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{
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$parid = $this->getParent($id);
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if($this->getObjType($did) !== 'Folder'){
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return $this->dbc->raiseError(
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'BasicStor::bsCopyFile: destination is not folder',
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GBERR_WRTYPE
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);
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}
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switch($this->getObjType($id)){
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case"audioclip":
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case"playlist":
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case"webstream":
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case"File":
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case"Folder":
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return $this->copyObj($id, $did);
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break;
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default:
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return $this->dbc->raiseError(
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"BasicStor::moveFile: unsupported object to copy, sorry.",
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GBERR_WRTYPE
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);
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}
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}
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/**
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* Delete file
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*
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* @param id int, virt.file's local id
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* @param forced boolean, unconditional delete
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* @return true or PEAR::error
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*/
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function bsDeleteFile($id, $forced=FALSE)
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{
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$res = $this->removeObj($id, $forced);
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return $res;
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}
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/* ----------------------------------------------------- put, access etc. */
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/**
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* Check validity of asscess/put token
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*
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* @param token string, access/put token
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* @param type string 'put'|'access'|'download'
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* @return boolean
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*/
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function bsCheckToken($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($this->dbc->isError($cnt)){ return FALSE; }
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return ($cnt == 1);
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}
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/**
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* Get gunid from token
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*
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* @param token string, access/put token
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* @param type string 'put'|'access'|'download'
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* @return string
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*/
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function _gunidFromToken($token, $type='put')
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{
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$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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if($this->dbc->isError($acc)){ return $acc; }
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$gunid = StoredFile::_normalizeGunid($acc['gunid']);
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if($this->dbc->isError($gunid)){ return $gunid; }
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return $gunid;
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}
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/**
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* Create and return access link to real file
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*
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* @param realFname string, local filepath to accessed file
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* (NULL for only increase access counter, no symlink)
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* @param ext string, useful filename extension for accessed file
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* @param gunid int, global unique id
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* @param type string 'access'|'download'
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* @return array with: seekable filehandle, access token
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*/
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function bsAccess($realFname, $ext, $gunid, $type='access')
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{
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$token = StoredFile::_createGunid();
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if(!is_null($realFname)){
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$linkFname = "{$this->accessDir}/$token.$ext";
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if(!file_exists($realFname)){
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return $this->dbc->raiseError(
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"BasicStor::bsAccess: real file not found ($realFname)",
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GBERR_FILEIO);
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}
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if(! @symlink($realFname, $linkFname)){
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return $this->dbc->raiseError(
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"BasicStor::bsAccess: symlink create failed ($linkFname)",
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GBERR_FILEIO);
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}
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}
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$this->dbc->query("BEGIN");
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$res = $this->dbc->query("
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INSERT INTO {$this->accessTable}
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(gunid, token, ext, type, ts)
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VALUES
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(x'{$gunid}'::bigint, x'$token'::bigint,
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'$ext', '$type', now())
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");
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if($this->dbc->isError($res)){
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$this->dbc->query("ROLLBACK"); return $res; }
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$res = $this->dbc->query("
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UPDATE {$this->filesTable}
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SET currentlyAccessing=currentlyAccessing+1
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WHERE gunid=x'{$gunid}'::bigint
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");
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if($this->dbc->isError($res)){
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$this->dbc->query("ROLLBACK"); return $res; }
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$res = $this->dbc->query("COMMIT");
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if($this->dbc->isError($res)){ return $res; }
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return array('fname'=>$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 $this->dbc->raiseError(
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"BasicStor::bsRelease: invalid token ($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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if($this->dbc->isError($acc)){ return $acc; }
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$ext = $acc['ext'];
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$gunid = StoredFile::_normalizeGunid($acc['gunid']);
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$linkFname = "{$this->accessDir}/$token.$ext";
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if(file_exists($linkFname)) if(! @unlink($linkFname)){
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return $this->dbc->raiseError(
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"BasicStor::bsRelease: unlink failed ($linkFname)",
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GBERR_FILEIO);
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}
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$this->dbc->query("BEGIN");
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$res = $this->dbc->query("
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UPDATE {$this->filesTable}
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SET currentlyAccessing=currentlyAccessing-1
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WHERE gunid=x'{$gunid}'::bigint AND currentlyAccessing>0
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");
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if($this->dbc->isError($res)){
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$this->dbc->query("ROLLBACK"); return $res; }
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$res = $this->dbc->query("
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DELETE FROM {$this->accessTable} WHERE token=x'$token'::bigint
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");
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if($this->dbc->isError($res)){
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$this->dbc->query("ROLLBACK"); return $res; }
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$res = $this->dbc->query("COMMIT");
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if($this->dbc->isError($res)){ return $res; }
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return $gunid;
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}
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/**
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* Create and return downloadable URL for file
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*
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* @param id int, virt.file's local id
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* @param part string, 'media'|'metadata'
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* @return array with strings:
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* downloadable URL, download token, chsum, size, filename
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*/
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function bsOpenDownload($id, $part='media')
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{
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$ac =& StoredFile::recall($this, $id);
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if($this->dbc->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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$realfile = $ac->_getRealRADFname();
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$ext = $ac->_getExt();
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$filename = $ac->_getFileName();
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break;
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case"metadata":
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$realfile = $ac->_getRealMDFname();
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$ext = "xml";
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$filename = $ac->_getFileName();
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break;
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default:
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return $this->dbc->raiseError(
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"BasicStor::bsOpenDownload: unknown part ($part)"
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);
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}
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$acc = $this->bsAccess($realfile, $ext, $gunid, 'download');
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if($this->dbc->isError($acc)){ return $acc; }
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$url = $this->getUrlPart()."access/".basename($acc['fname']);
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$chsum = md5_file($realfile);
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$size = filesize($realfile);
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return array(
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'url'=>$url, 'token'=>$acc['token'],
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'chsum'=>$chsum, 'size'=>$size,
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'filename'=>$filename
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);
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}
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/**
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* Discard downloadable URL
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*
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* @param token string, download token
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* @param part string, 'media'|'metadata'
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* @return string, gunid
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*/
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function bsCloseDownload($token, $part='media')
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{
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if(!$this->bsCheckToken($token, 'download')){
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return $this->dbc->raiseError(
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"BasicStor::bsCloseDownload: invalid token ($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, $gunid)
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{
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$ext = '';
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$token = StoredFile::_createGunid();
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$res = $this->dbc->query("
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DELETE FROM {$this->accessTable} WHERE token=x'$token'::bigint
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");
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if($this->dbc->isError($res)){ return $res; }
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$res = $this->dbc->query("
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INSERT INTO {$this->accessTable}
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(gunid, token, ext, chsum, type, ts)
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VALUES
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(x'{$gunid}'::bigint, x'$token'::bigint,
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'$ext', '$chsum', 'put', now())
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");
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if($this->dbc->isError($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($token)
|
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{
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$token = StoredFile::_normalizeGunid($token);
|
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if(!$this->bsCheckToken($token, 'put')){
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return $this->dbc->raiseError(
|
|
"BasicStor::bsClosePut: invalid token ($token)",
|
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GBERR_TOKEN
|
|
);
|
|
}
|
|
$chsum = $this->dbc->getOne("
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SELECT chsum FROM {$this->accessTable}
|
|
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'$token'::bigint
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");
|
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if($this->dbc->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 $this->dbc->raiseError(
|
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"BasicStor::bsClosePut: md5sum does not match (token=$token)",
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GBERR_PUT
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);
|
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}
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return $fname;
|
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}
|
|
|
|
/**
|
|
* Check uploaded file
|
|
*
|
|
* @param token string, put token
|
|
* @return hash, (
|
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* status: boolean,
|
|
* size: int - filesize
|
|
* expectedsum: string - expected checksum
|
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* realsum: string - checksum of uploaded file
|
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* )
|
|
*/
|
|
function bsCheckPut($token)
|
|
{
|
|
if(!$this->bsCheckToken($token, 'put')){
|
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return $this->dbc->raiseError(
|
|
"BasicStor::bsClosePut: invalid token ($token)"
|
|
);
|
|
}
|
|
$chsum = $this->dbc->getOne("
|
|
SELECT chsum FROM {$this->accessTable}
|
|
WHERE token=x'{$token}'::bigint
|
|
");
|
|
if($this->dbc->isError($chsum)){ return $chsum; }
|
|
$fname = "{$this->accessDir}/$token";
|
|
$md5sum = md5_file($fname);
|
|
$size = filesize($fname);
|
|
$status = ($chsum == $md5sum);
|
|
return array(
|
|
'status'=>$status, 'size'=>$size,
|
|
'expectedsum'=>$chsum,
|
|
'realsum'=>$md5sum,
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Return starting part of storageServer URL
|
|
*
|
|
* @return string, url
|
|
*/
|
|
function getUrlPart()
|
|
{
|
|
$host = $this->config['storageUrlHost'];
|
|
$port = $this->config['storageUrlPort'];
|
|
$path = $this->config['storageUrlPath'];
|
|
return "http://$host:$port$path/";
|
|
}
|
|
|
|
/* ---------------------------------------------- replicas, versions etc. */
|
|
/**
|
|
* Create replica.<br>
|
|
* <b>TODO: NOT FINISHED</b>
|
|
*
|
|
* @param id int, virt.file's local id
|
|
* @param did int, destination folder local id
|
|
* @param replicaName string, name of new replica
|
|
* @return int, local id of new object
|
|
*/
|
|
function bsCreateReplica($id, $did, $replicaName)
|
|
{
|
|
return $this->dbc->raiseError(
|
|
'BasicStor::bsCreateReplica: not implemented', GBERR_NOTIMPL
|
|
);
|
|
// ---
|
|
if($this->getObjType($did) !== 'Folder')
|
|
return $this->dbc->raiseError(
|
|
'BasicStor::bsCreateReplica: dest is not folder', GBERR_WRTYPE
|
|
);
|
|
if($replicaName=='') $replicaName = $this->getObjName($id);
|
|
while(($exid = $this->getObjId($replicaName, $did))<>'')
|
|
{ $replicaName.='_R'; }
|
|
$rid = $this->addObj($replicaName , 'Replica', $did, 0, $id);
|
|
if($this->dbc->isError($rid)) return $rid;
|
|
# $this->addMdata($this->_pathFromId($rid), 'isReplOf', $id);
|
|
return $rid;
|
|
}
|
|
|
|
/**
|
|
* Create version.<br>
|
|
* <b>TODO: NOT FINISHED</b>
|
|
*
|
|
* @param id int, virt.file's local id
|
|
* @param did int, destination folder local id
|
|
* @param versionLabel string, name of new version
|
|
* @return int, local id of new object
|
|
*/
|
|
function bsCreateVersion($id, $did, $versionLabel)
|
|
{
|
|
return $this->dbc->raiseError(
|
|
'BasicStor::bsCreateVersion: not implemented', GBERR_NOTIMPL
|
|
);
|
|
}
|
|
|
|
/* ------------------------------------------------------------- metadata */
|
|
|
|
/**
|
|
* Replace metadata with new XML file or string
|
|
*
|
|
* @param id int, virt.file's local id
|
|
* @param mdata string, local path of metadata XML file
|
|
* @param mdataLoc string 'file'|'string'
|
|
* @return boolean or PEAR::error
|
|
*/
|
|
function bsReplaceMetadata($id, $mdata, $mdataLoc='file')
|
|
{
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)) return $ac;
|
|
return $ac->replaceMetaData($mdata, $mdataLoc);
|
|
}
|
|
|
|
/**
|
|
* Get metadata as XML string
|
|
*
|
|
* @param id int, virt.file's local id
|
|
* @return string or PEAR::error
|
|
*/
|
|
function bsGetMetadata($id)
|
|
{
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)) return $ac;
|
|
return $ac->getMetaData();
|
|
}
|
|
|
|
/**
|
|
* Get metadata element value
|
|
*
|
|
* @param id int, virt.file's local id
|
|
* @param category string, metadata element name
|
|
* @param lang string, optional xml:lang value for select language version
|
|
* @return array of matching records (as hash {id, value, attrs})
|
|
* @see Metadata::getMetadataValue
|
|
*/
|
|
function bsGetMetadataValue($id, $category, $lang=NULL)
|
|
{
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)) return $ac;
|
|
return $ac->md->getMetadataValue($category, $lang);
|
|
}
|
|
|
|
/**
|
|
* Set metadata element value
|
|
*
|
|
* @param id int, virt.file's local id
|
|
* @param category string, metadata element identification (e.g. dc:title)
|
|
* @param value string/NULL value to store, if NULL then delete record
|
|
* @param lang string, optional xml:lang value for select language version
|
|
* @param mid int, metadata record id (OPTIONAL on unique elements)
|
|
* @param container string, container element name for insert
|
|
* @return boolean
|
|
*/
|
|
function bsSetMetadataValue(
|
|
$id, $category, $value, $lang=NULL, $mid=NULL, $container='metadata')
|
|
{
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)) return $ac;
|
|
$res = $ac->md->setMetadataValue(
|
|
$category, $value, $lang, $mid, $container);
|
|
if($this->dbc->isError($res)) return $res;
|
|
$r = $ac->md->regenerateXmlFile();
|
|
if($this->dbc->isError($r)) return $r;
|
|
return $res;
|
|
}
|
|
|
|
/**
|
|
* Search in local metadata database.
|
|
*
|
|
* @param criteria hash, with following structure:<br>
|
|
* <ul>
|
|
* <li>filetype - string, type of searched files,
|
|
* meaningful values: 'audioclip', 'playlist'</li>
|
|
* <li>operator - string, type of conditions join
|
|
* (any condition matches / all conditions match),
|
|
* meaningful values: 'and', 'or', ''
|
|
* (may be empty or ommited only with less then 2 items in
|
|
* "conditions" field)
|
|
* </li>
|
|
* <li>orderby : string - metadata category for sorting (optional)</li>
|
|
* <li>desc : boolean - flag for descending order (optional)</li>
|
|
* <li>conditions - array of hashes with structure:
|
|
* <ul>
|
|
* <li>cat - string, metadata category name</li>
|
|
* <li>op - string, operator - meaningful values:
|
|
* 'full', 'partial', 'prefix', '=', '<',
|
|
* '<=', '>', '>='</li>
|
|
* <li>val - string, search value</li>
|
|
* </ul>
|
|
* </li>
|
|
* </ul>
|
|
* @param limit int, limit for result arrays (0 means unlimited)
|
|
* @param offset int, starting point (0 means without offset)
|
|
* @return hash, fields:
|
|
* results : array with gunid strings
|
|
* cnt : integer - number of matching gunids
|
|
* of files have been found
|
|
* @see DataEngine
|
|
*/
|
|
function bsLocalSearch($criteria, $limit=0, $offset=0)
|
|
{
|
|
require_once "DataEngine.php";
|
|
$de =& new DataEngine($this);
|
|
return $de->localSearch($criteria, $limit, $offset);
|
|
}
|
|
|
|
/**
|
|
* Return values of specified metadata category
|
|
*
|
|
* @param category string, metadata category name
|
|
* with or without namespace prefix (dc:title, author)
|
|
* @param limit int, limit for result arrays (0 means unlimited)
|
|
* @param offset int, starting point (0 means without offset)
|
|
* @param criteria hash, see bsLocalSearch method
|
|
* @return hash, fields:
|
|
* results : array with gunid strings
|
|
* cnt : integer - number of matching values
|
|
* @see DataEngine
|
|
*/
|
|
function bsBrowseCategory($category, $limit=0, $offset=0, $criteria=NULL)
|
|
{
|
|
require_once "DataEngine.php";
|
|
$de =& new DataEngine($this);
|
|
return $de->browseCategory($category, $limit, $offset, $criteria);
|
|
}
|
|
|
|
/* --------------------------------------------------------- info methods */
|
|
|
|
/**
|
|
* List files in folder
|
|
*
|
|
* @param id int, local id of folder
|
|
* @return array
|
|
*/
|
|
function bsListFolder($id)
|
|
{
|
|
if($this->getObjType($id) !== 'Folder')
|
|
return $this->dbc->raiseError(
|
|
'BasicStor::bsListFolder: not a folder', GBERR_NOTF
|
|
);
|
|
$listArr = $this->getDir($id, 'id, name, type, param as target', 'name');
|
|
foreach($listArr as $i=>$v){
|
|
if($v['type'] != 'Folder'){
|
|
$gunid = $this->_gunidFromId($v['id']);
|
|
$listArr[$i]['type'] =
|
|
$this->_getType($gunid);
|
|
$listArr[$i]['gunid'] = $gunid;
|
|
if(StoredFIle::_getState($gunid) == 'incomplete')
|
|
unset($listArr[$i]);
|
|
}
|
|
}
|
|
return $listArr;
|
|
}
|
|
|
|
/**
|
|
* Analyze media file for internal metadata information
|
|
*
|
|
* @param id int, virt.file's local id
|
|
* @return array
|
|
*/
|
|
function bsAnalyzeFile($id)
|
|
{
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)) return $ac;
|
|
$ia = $ac->analyzeMediaFile();
|
|
return $ia;
|
|
}
|
|
|
|
/**
|
|
* List files in folder
|
|
*
|
|
* @param id int, local id of object
|
|
* @param relPath string, relative path
|
|
* @return array
|
|
*/
|
|
function getObjIdFromRelPath($id, $relPath='.')
|
|
{
|
|
$relPath = trim(urldecode($relPath));
|
|
//if($this->getObjType($id) !== 'Folder')
|
|
$nid = $this->getParent($id);
|
|
if($this->dbc->isError($nid)) return $nid;
|
|
if(is_null($nid)){
|
|
return $this->dbc->raiseError("null parent for id=$id"); }
|
|
//else $nid = $id;
|
|
if(substr($relPath, 0, 1)=='/'){ $nid=$this->storId; }
|
|
$a = split('/', $relPath);
|
|
foreach($a as $i=>$pathItem){
|
|
switch($pathItem){
|
|
case".":
|
|
break;
|
|
case"..":
|
|
if($nid != $this->storId){
|
|
$nid = $this->getParent($nid);
|
|
if($this->dbc->isError($nid)) return $nid;
|
|
if(is_null($nid)){
|
|
return $this->dbc->raiseError(
|
|
"null parent for $nid");
|
|
}
|
|
}
|
|
break;
|
|
case"":
|
|
break;
|
|
default:
|
|
$nid = $this->getObjId($pathItem, $nid);
|
|
if($this->dbc->isError($nid)) return $nid;
|
|
if(is_null($nid)){
|
|
return $this->dbc->raiseError(
|
|
"Object $pathItem not found (from id=$id)");
|
|
}
|
|
}
|
|
}
|
|
return $nid;
|
|
}
|
|
|
|
/**
|
|
* Check if file exists in the storage
|
|
*
|
|
* @param id int, local id
|
|
* @param ftype string, internal file type
|
|
* @return boolean
|
|
*/
|
|
function bsExistsFile($id, $ftype=NULL)
|
|
{
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)){
|
|
// catch some exceptions
|
|
switch($ac->getCode()){
|
|
case GBERR_FILENEX:
|
|
case GBERR_FOBJNEX:
|
|
return FALSE;
|
|
break;
|
|
default: return $ac;
|
|
}
|
|
}
|
|
$realFtype = $this->_getType($ac->gunid);
|
|
if(!is_null($ftype) && (
|
|
($realFtype != $ftype)
|
|
// webstreams are subset of audioclips
|
|
&& !($realFtype == 'webstream' && $ftype == 'audioclip')
|
|
)) return FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
/* ---------------------------------------------------- redefined methods */
|
|
/**
|
|
* Get object type by id.
|
|
* (RootNode, Folder, File, )
|
|
*
|
|
* @param oid int, local object id
|
|
* @return string/err
|
|
*/
|
|
function getObjType($oid)
|
|
{
|
|
$type = $this->getObjName($oid, 'type');
|
|
if($type == 'File'){
|
|
$ftype =
|
|
$this->_getType($this->_gunidFromId($oid));
|
|
if(!is_null($ftype)) $type=$ftype;
|
|
}
|
|
return $type;
|
|
}
|
|
|
|
/**
|
|
* Add new user with home folder
|
|
*
|
|
* @param login string
|
|
* @param pass string OPT
|
|
* @return int/err
|
|
*/
|
|
function addSubj($login, $pass=NULL)
|
|
{
|
|
$uid = parent::addSubj($login, $pass);
|
|
if($this->dbc->isError($uid)) return $uid;
|
|
if($this->isGroup($uid) === FALSE){
|
|
$fid = $this->bsCreateFolder($this->storId, $login);
|
|
if($this->dbc->isError($fid)) return $fid;
|
|
$res = $this->addPerm($uid, '_all', $fid, 'A');
|
|
if($this->dbc->isError($res)) return $res;
|
|
if(!$this->config['isArchive']){
|
|
$res =$this->addSubj2Gr($login, $this->config['StationPrefsGr']);
|
|
if($this->dbc->isError($res)) return $res;
|
|
$res =$this->addSubj2Gr($login, $this->config['AllGr']);
|
|
if($this->dbc->isError($res)) return $res;
|
|
$pfid = $this->bsCreateFolder($fid, 'public');
|
|
if($this->dbc->isError($pfid)) return $pfid;
|
|
$res = $this->addPerm($uid, '_all', $pfid, 'A');
|
|
if($this->dbc->isError($res)) return $res;
|
|
$allGrId = $this->getSubjId($this->config['AllGr']);
|
|
if($this->dbc->isError($allGrId)) return $allGrId;
|
|
$res = $this->addPerm($allGrId, 'read', $pfid, 'A');
|
|
if($this->dbc->isError($res)) return $res;
|
|
}
|
|
}
|
|
return $uid;
|
|
}
|
|
/**
|
|
* Remove user by login or by uid and his home folder
|
|
*
|
|
* @param login string
|
|
* @param uid int OPT
|
|
* @return boolean/err
|
|
*/
|
|
function removeSubj($login, $uid=NULL)
|
|
{
|
|
$res = parent::removeSubj($login);
|
|
if($this->dbc->isError($res)) return $res;
|
|
$id = $this->getObjId($login, $this->storId);
|
|
if($this->dbc->isError($id)) return $id;
|
|
if(!is_null($id)){
|
|
// remove home folder:
|
|
$res = $this->bsDeleteFile($id);
|
|
if($this->dbc->isError($res)) return $res;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/* ================================================== "protected" methods */
|
|
/**
|
|
* Check authorization - auxiliary method
|
|
*
|
|
* @param acts array of actions
|
|
* @param pars array of parameters - e.g. ids
|
|
* @param sessid string, session id
|
|
* @return true or PEAR::error
|
|
*/
|
|
function _authorize($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($this->dbc->isError($res)) return $res;
|
|
$perm = $perm && $res;
|
|
}
|
|
if($perm) return TRUE;
|
|
$adesc = "[".join(',',$acts)."]";
|
|
return $this->dbc->raiseError(
|
|
"BasicStor::$adesc: access denied", GBERR_DENY);
|
|
}
|
|
|
|
/**
|
|
* Return users's home folder local ID
|
|
*
|
|
* @param sessid string, session ID
|
|
* @return local folder id
|
|
*/
|
|
function _getHomeDirId($sessid)
|
|
{
|
|
$login = $this->getSessLogin($sessid);
|
|
if($this->dbc->isError($login)) return $login;
|
|
$parid = $this->getObjId($login, $this->storId);
|
|
if($this->dbc->isError($parid)) return $parid;
|
|
if(is_null($parid)){
|
|
return $this->dbc->raiseError("BasicStor::_getHomeDirId: ".
|
|
"homedir not found", GBERR_NOTF);
|
|
}
|
|
return $parid;
|
|
}
|
|
|
|
/**
|
|
* Get local id from global id
|
|
*
|
|
* @param gunid string global id
|
|
* @return int local id
|
|
*/
|
|
function _idFromGunid($gunid)
|
|
{
|
|
return $this->dbc->getOne(
|
|
"SELECT id FROM {$this->filesTable} WHERE gunid=x'$gunid'::bigint"
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get global id from local id
|
|
*
|
|
* @param id int local id
|
|
* @return string global id
|
|
*/
|
|
function _gunidFromId($id)
|
|
{
|
|
if(!is_numeric($id)) return NULL;
|
|
$gunid = $this->dbc->getOne("
|
|
SELECT to_hex(gunid)as gunid FROM {$this->filesTable}
|
|
WHERE id='$id'
|
|
");
|
|
if($this->dbc->isError($gunid)) return $gunid;
|
|
if(is_null($gunid)) return NULL;
|
|
return StoredFile::_normalizeGunid($gunid);
|
|
}
|
|
|
|
/**
|
|
* Get storage-internal file type
|
|
*
|
|
* @param gunid string, global unique id of file
|
|
* @return string, see install()
|
|
*/
|
|
function _getType($gunid)
|
|
{
|
|
$ftype = $this->dbc->getOne("
|
|
SELECT ftype FROM {$this->filesTable}
|
|
WHERE gunid=x'$gunid'::bigint
|
|
");
|
|
return $ftype;
|
|
}
|
|
|
|
/**
|
|
* Check gunid format
|
|
*
|
|
* @param gunid string, global unique ID
|
|
* @return boolean
|
|
*/
|
|
function _checkGunid($gunid)
|
|
{
|
|
$res = preg_match("|^([0-9a-fA-F]{16})?$|", $gunid);
|
|
return $res;
|
|
}
|
|
|
|
/**
|
|
* Returns if gunid is free
|
|
*
|
|
*/
|
|
function _gunidIsFree($gunid)
|
|
{
|
|
$cnt = $this->dbc->getOne("
|
|
SELECT count(*) FROM {$this->filesTable}
|
|
WHERE gunid=x'{$this->gunid}'::bigint
|
|
");
|
|
if($this->dbc->isError($cnt)) return $cnt;
|
|
if($cnt > 0) return FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Set playlist edit flag
|
|
*
|
|
* @param playlistId string, playlist global unique ID
|
|
* @param val boolean, set/clear of edit flag
|
|
* @return boolean, previous state
|
|
*/
|
|
function _setEditFlag($playlistId, $val=TRUE)
|
|
{
|
|
$ac =& StoredFile::recallByGunid($this, $playlistId);
|
|
if($this->dbc->isError($ac)) return $ac;
|
|
$state = $ac->_getState();
|
|
if($val){ $ac->setState('edited'); }
|
|
else{ $ac->setState('ready'); }
|
|
return ($state == 'edited');
|
|
}
|
|
|
|
/**
|
|
* Check if playlist is marked as edited
|
|
*
|
|
* @param playlistId string, playlist global unique ID
|
|
* @return boolean
|
|
*/
|
|
function _isEdited($playlistId)
|
|
{
|
|
$ac =& StoredFile::recallByGunid($this, $playlistId);
|
|
if($this->dbc->isError($ac)) return $ac;
|
|
return $ac->isEdited($playlistId);
|
|
}
|
|
|
|
/* ---------------------------------------- redefined "protected" methods */
|
|
/**
|
|
* Copy virtual file.<br>
|
|
* Redefined from parent class.
|
|
*
|
|
* @return int, new object local id
|
|
*/
|
|
function copyObj($id, $newParid, $after=NULL)
|
|
{
|
|
$parid = $this->getParent($id);
|
|
$nid = parent::copyObj($id, $newParid, $after);
|
|
if($this->dbc->isError($nid)) return $nid;
|
|
switch($this->getObjType($id)){
|
|
case"audioclip":
|
|
case"playlist":
|
|
case"webstream":
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)){ return $ac; }
|
|
$ac2 =& StoredFile::copyOf($ac, $nid);
|
|
$ac2->rename($this->getObjName($nid));
|
|
break;
|
|
case"File":
|
|
default:
|
|
}
|
|
return $nid;
|
|
}
|
|
|
|
/**
|
|
* Move virtual file.<br>
|
|
* Redefined from parent class.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
function moveObj($id, $newParid, $after=NULL)
|
|
{
|
|
$parid = $this->getParent($id);
|
|
switch($this->getObjType($id)){
|
|
case"audioclip":
|
|
case"playlist":
|
|
case"webstream":
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)){ return $ac; }
|
|
if($ac->isEdited())
|
|
return $this->dbc->raiseError(
|
|
'BasicStor::moveObj: is edited');
|
|
if($ac->isAccessed())
|
|
return $this->dbc->raiseError(
|
|
'BasicStor::moveObj: is accessed');
|
|
break;
|
|
default:
|
|
}
|
|
$nid = parent::moveObj($id, $newParid, $after);
|
|
if($this->dbc->isError($nid)) return $nid;
|
|
return TRUE;
|
|
}
|
|
/**
|
|
* Optionaly remove virtual file with the same name and add new one.<br>
|
|
* Redefined from parent class.
|
|
*
|
|
* @return id
|
|
*/
|
|
function addObj($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, $param);
|
|
}
|
|
|
|
/**
|
|
* Remove virtual file.<br>
|
|
* Redefined from parent class.
|
|
*
|
|
* @param id int, local id of removed object
|
|
* @param forced boolean, unconditional delete
|
|
* @return true or PEAR::error
|
|
*/
|
|
function removeObj($id, $forced=FALSE)
|
|
{
|
|
switch($ot = $this->getObjType($id)){
|
|
case"audioclip":
|
|
case"playlist":
|
|
case"webstream":
|
|
$ac =& StoredFile::recall($this, $id);
|
|
if($this->dbc->isError($ac)) return $ac;
|
|
if($ac->isEdited() && !$forced){
|
|
return $this->dbc->raiseError(
|
|
'BasicStor.php: removeObj: is edited'
|
|
);
|
|
}
|
|
if($ac->isAccessed() && !$forced){
|
|
return $this->dbc->raiseError(
|
|
'BasicStor.php: removeObj: is accessed'
|
|
);
|
|
}
|
|
$ac->delete();
|
|
break;
|
|
case"File":
|
|
case"Folder":
|
|
case"Replica":
|
|
break;
|
|
default:
|
|
return $this->dbc->raiseError(
|
|
"BasicStor::bsDeleteFile: unknown obj type ($ot)"
|
|
);
|
|
}
|
|
$res = parent::removeObj($id);
|
|
if($this->dbc->isError($res)) return $res;
|
|
return TRUE;
|
|
}
|
|
|
|
/* =============================================== test and debug methods */
|
|
/**
|
|
* Reset storageServer for debugging.
|
|
*
|
|
* @param input string
|
|
*/
|
|
function resetStorage($input='')
|
|
{
|
|
$this->deleteData();
|
|
if(!$this->config['isArchive']){
|
|
$tr =& new Transport($this->dbc, $this, $this->config);
|
|
$tr->resetData();
|
|
}
|
|
$rootHD = $this->getObjId('root', $this->storId);
|
|
include"../tests/sampleData.php";
|
|
$res = array(
|
|
'audioclips'=>array(), 'playlists'=>array(), 'webstreams'=>array()
|
|
);
|
|
foreach($sampleData as $k=>$it){
|
|
$type = $it['type'];
|
|
$xml = $it['xml'];
|
|
if(isset($it['gunid'])) $gunid = $it['gunid'];
|
|
else $gunid = '';
|
|
switch($type){
|
|
case"audioclip":
|
|
$media = $it['media'];
|
|
$fname = basename($media);
|
|
break;
|
|
case"playlist":
|
|
case"webstream":
|
|
$media = '';
|
|
$fname = basename($xml);
|
|
break;
|
|
}
|
|
$r = $this->bsPutFile(
|
|
$rootHD, $fname,
|
|
$media, $xml, $gunid, $type
|
|
);
|
|
if(PEAR::isError($r)){ return $r; }
|
|
$res["{$type}s"][] = $this->_gunidFromId($r);
|
|
}
|
|
return $res;
|
|
}
|
|
|
|
/**
|
|
* dump
|
|
*
|
|
*/
|
|
function dump($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){
|
|
$this->bsDeleteFile($item['id'], TRUE);
|
|
}
|
|
parent::deleteData();
|
|
$this->initData();
|
|
}
|
|
/**
|
|
* testData
|
|
*
|
|
*/
|
|
function testData($d='')
|
|
{
|
|
$exdir = dirname(__FILE__).'/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", '', NULL, 'audioclip');
|
|
$o[] = $this->bsPutFile($t1d12, 'file2.wav', "$exdir/ex2.wav", '', NULL, 'audioclip');
|
|
/*
|
|
*/
|
|
$this->tdata['storage'] = $o;
|
|
}
|
|
|
|
/**
|
|
* test
|
|
*
|
|
*/
|
|
function test()
|
|
{
|
|
$this->test_log = '';
|
|
// if($this->dbc->isError($p = parent::test())) return $p;
|
|
$this->deleteData();
|
|
$this->testData();
|
|
$this->test_correct = " StorageRoot
|
|
root
|
|
test1
|
|
file1.mp3
|
|
public
|
|
test1_folder1
|
|
test1_folder1_1
|
|
test1_folder1_2
|
|
file2.wav
|
|
test1_folder2
|
|
test2
|
|
public
|
|
test2_folder1
|
|
test3
|
|
public
|
|
test4
|
|
public
|
|
";
|
|
$this->test_dump = $this->dumpTree($this->storId, ' ', ' ', '{name}');
|
|
if($this->test_dump==$this->test_correct)
|
|
{ $this->test_log.="# BasicStor::test: OK\n"; return true; }
|
|
else $this->dbc->raiseError('BasicStor::test:', 1, PEAR_ERROR_DIE, '%s'.
|
|
"<pre>\ncorrect:\n.{$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');
|
|
if(!$this->config['isArchive']){
|
|
$stPrefGr = parent::addSubj($this->config['StationPrefsGr']);
|
|
$this->addSubj2Gr('root', $this->config['StationPrefsGr']);
|
|
$stPrefGr = parent::addSubj($this->config['AllGr']);
|
|
$this->addSubj2Gr('root', $this->config['AllGr']);
|
|
}
|
|
}
|
|
/**
|
|
* install - create tables
|
|
*
|
|
* file states:
|
|
* <ul>
|
|
* <li>empty</li>
|
|
* <li>incomplete</li>
|
|
* <li>ready</li>
|
|
* <li>edited</li>
|
|
* </ul>
|
|
|
|
* file types:
|
|
* <ul>
|
|
* <li>audioclip</li>
|
|
* <li>playlist</li>
|
|
* <li>webstream</li>
|
|
* </ul>
|
|
*/
|
|
function install()
|
|
{
|
|
parent::install();
|
|
#echo "{$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($this->dbc->isError($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($this->dbc->isError($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,
|
|
token bigint,
|
|
chsum char(32) not null default'',
|
|
ext varchar(128) not null default'',
|
|
type varchar(20) not null default'',
|
|
ts timestamp
|
|
)");
|
|
if($this->dbc->isError($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);
|
|
}
|
|
|
|
}
|
|
?>
|