235 lines
7.6 KiB
PHP
235 lines
7.6 KiB
PHP
<?php
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/*------------------------------------------------------------------------------
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Copyright (c) 2004 Media Development Loan Fund
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This file is part of the LiveSupport project.
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http://livesupport.campware.org/
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To report bugs, send an e-mail to bugs@campware.org
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LiveSupport is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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LiveSupport is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with LiveSupport; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author : $Author: tomas $
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Version : $Revision: 1.8 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storageServer/var/LocStor.php,v $
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------------------------------------------------------------------------------*/
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require_once "GreenBox.php";
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/**
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* LocStor class
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*
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* Livesupport local storage interface
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*/
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class LocStor extends GreenBox{
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/**
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* Check if audio clip exists
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*
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* @param sessid string
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* @param gunid string
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* @return boolean
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* @see GreenBox
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*/
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function existsAudioClip($sessid, $gunid)
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{
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$ac =& StoredFile::recallByGunid(&$this, $gunid);
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if(PEAR::isError($ac)){
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// catch some exceptions
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switch($ac->getCode()){
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case GBERR_FILENEX:
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case GBERR_FOBJNEX:
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return FALSE;
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break;
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default: return $ac;
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}
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}
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if(($res = $this->_authorize('read', $ac->getId(), $sessid)) !== TRUE)
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return $res;
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return $ac->exists();
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}
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/**
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* Store or replace existing audio clip
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*
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* @param sessid string
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* @param gunid string
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* @param mediaFileLP string, local path to media file
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* @param mdataFileLP string, local path to metadata XML file
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* @return string gunid or PEAR::error
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*/
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function storeAudioClip($sessid, $gunid, $mediaFileLP, $mdataFileLP)
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{
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// test if specified gunid exists:
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$ac =& StoredFile::recallByGunid(&$this, $gunid);
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if(!PEAR::isError($ac)){
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// gunid exists - do replace
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if(($res = $this->_authorize(
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'write', $ac->getId(), $sessid
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)) !== TRUE) return $res;
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if($ac->isAccessed()){
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return PEAR::raiseError(
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'LocStor.php: storeAudioClip: is accessed'
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);
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}
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$res = $ac->replace(
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$ac->getId(), $ac->name,$mediaFileLP, $mdataFileLP
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);
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if(PEAR::isError($res)) return $res;
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}else{
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// gunid doesn't exists - do insert
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$tmpid = uniqid('');
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$parid = $this->getObjId(
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$this->getSessLogin($sessid), $this->storId
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);
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if(PEAR::isError($parid)) return $parid;
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if(($res = $this->_authorize('write', $parid, $sessid)) !== TRUE)
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return $res;
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$oid = $this->addObj($tmpid , 'File', $parid);
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if(PEAR::isError($oid)) return $oid;
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$ac =& StoredFile::insert(
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&$this, $oid, '', $mediaFileLP, $mdataFileLP, $gunid
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);
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if(PEAR::isError($ac)){
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$res = $this->removeObj($oid);
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return $ac;
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}
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$res = $this->renameFile($oid, $ac->gunid, $sessid);
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if(PEAR::isError($res)) return $res;
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}
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return $ac->gunid;
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}
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/**
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* Delete existing audio clip
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*
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* @param sessid string
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* @param gunid string
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* @return boolean or PEAR::error
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*/
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function deleteAudioClip($sessid, $gunid)
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{
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$ac =& StoredFile::recallByGunid(&$this, $gunid);
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if(PEAR::isError($ac)) return $ac;
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if(($res = $this->_authorize('write', $ac->getId(), $sessid)) !== TRUE)
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return $res;
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if($ac->isAccessed()){
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return PEAR::raiseError(
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'LocStor.php: deleteAudioClip: is accessed'
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);
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}
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$res = $this->deleteFile($ac->getId(), $sessid);
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if(PEAR::isError($res)) return $res;
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return TRUE;
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}
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/**
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* Update existing audio clip metadata
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*
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* @param sessid string
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* @param gunid string
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* @param mdataFileLP string, local path to metadata XML file
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* @return boolean or PEAR::error
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*/
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function updateAudioClipMetadata($sessid, $gunid, $mdataFileLP)
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{
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$ac =& StoredFile::recallByGunid(&$this, $gunid);
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if(PEAR::isError($ac)) return $ac;
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if(($res = $this->_authorize('write', $ac->getId(), $sessid)) !== TRUE)
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return $res;
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return $ac->replaceMetaData($mdataFileLP);
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}
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/**
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* Make access to audio clip
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*
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* @param sessid string
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* @param gunid string
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* @return string - access symlink path or PEAR::error
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*/
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function accessRawAudioData($sessid, $gunid)
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{
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$ac =& StoredFile::recallByGunid(&$this, $gunid);
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if(PEAR::isError($ac)) return $ac;
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if(($res = $this->_authorize('read', $ac->getId(), $sessid)) !== TRUE)
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return $res;
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return $ac->accessRawMediaData($sessid);
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}
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/**
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* Release access to audio clip
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*
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* @param sessid string
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* @param tmpLink string
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* @return boolean or PEAR::error
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*/
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function releaseRawAudioData($sessid, $tmpLink)
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{
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$ac =& StoredFile::recallFromLink(&$this, $tmpLink, $sessid);
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if(PEAR::isError($ac)) return $ac;
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if(($res = $this->_authorize('read', $ac->getId(), $sessid)) !== TRUE)
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return $res;
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return $ac->releaseRawMediaData($sessid);
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}
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/**
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* Search in metadata database
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*
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* @param sessid string
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* @param criteria string
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* @return array or PEAR::error
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* @see GreenBox::localSearch
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*/
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function searchMetadata($sessid, $criteria)
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{
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$res = $this->localSearch($criteria, $sessid);
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return $res;
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}
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/**
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* Return metadata as XML
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*
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* @param sessid string
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* @param gunid string
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* @return string or PEAR::error
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*/
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function getAudioClip($sessid, $gunid)
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{
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$ac =& StoredFile::recallByGunid(&$this, $gunid);
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if(PEAR::isError($ac)) return $ac;
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if(($res = $this->_authorize('read', $ac->getId(), $sessid)) !== TRUE)
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return $res;
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$md = $this->getMdata($ac->getId(), $sessid);
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if(PEAR::isError($md)) return $md;
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return $md;
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}
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/**
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* Reset storageServer for debugging.
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*
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* @param input string
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*/
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function resetStorage($input='')
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{
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$this->deleteData();
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$rootHD = $this->getObjId('root', $this->storId);
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$this->login('root', $this->config['tmpRootPass']);
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$s = $this->sessid;
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include"../tests/sampleData.php";
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$res = array();
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foreach($sampleData as $k=>$it){
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list($media, $meta) = $it;
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$r = $this->putFile($rootHD, "file".($k+1), $media, $meta, $s);
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if(PEAR::isError($r)){ return $r; }
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$res[] = $this->_gunidFromId($r);
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}
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$this->logout($this->sessid);
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return $res;
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}
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}
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?>
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