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initial commit from rev. 632

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This commit is contained in:
Erik Amaru Ortiz
2010-12-02 23:34:41 +00:00
commit 0525681d79
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workflow/engine/classes/class.sessions.php Normal file
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<?php
/**
* class.Sessions.php
*
* ProcessMaker Open Source Edition
* Copyright (C) 2004 - 2008 Colosa Inc.23
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
* Coral Gables, FL, 33134, USA, or email info@colosa.com.
*
*/
require_once 'classes/model/Session.php';
/**
* Sessions - Sessions class
* @package ProcessMaker
* @author Everth S. Berrios Morales
* @copyright 2008 COLOSA
*/
class Sessions {
protected $tmpfile;
private $sessionId;
private $globals;
/**
* This function is the constructor of the Sessions class
* @param string $sSessionId
* @return void
*/
public function __construct($sSessionId=NULL){
$this->sessionId = $sSessionId;
}
/**
* This function gets the user session
*
*
* @name getSessionUser
*
* @param string sSessionId
* @return array
*/
public function getSessionUser($sSessionId=NULL)
{
try
{
if($sSessionId != NULL){
$this->sessionId = $sSessionId;
} else if($this->sessionId == NULL){
throw new Exception('session id was not set.');
}
$oCriteria = new Criteria('workflow');
$oCriteria->addSelectColumn(SessionPeer::USR_UID);
$oCriteria->addSelectColumn(SessionPeer::SES_STATUS);
$oCriteria->addSelectColumn(SessionPeer::SES_DUE_DATE);
$oCriteria->add(SessionPeer::SES_UID, $this->sessionId);
$oDataset = SessionPeer::doSelectRS($oCriteria);
$oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
$oDataset->next();
$aRow = $oDataset->getRow();
if( !is_array($aRow) ){
$this->deleteTmpfile();
}
return $aRow;
}
catch (Exception $oError) {
throw($oError);
}
}
/**
* This function checks the user session
*
*
* @name verifySession
*
* @param string sSessionId
* @return array
*/
public function verifySession($sSessionId=NULL)
{
try
{
if($sSessionId != NULL){
$this->sessionId = $sSessionId;
} else if($this->sessionId == NULL){
throw new Exception('session id was not set.');
}
$date=date('Y-m-d H:i:s');
$oCriteria = new Criteria('workflow');
$oCriteria->addSelectColumn(SessionPeer::USR_UID);
$oCriteria->addSelectColumn(SessionPeer::SES_STATUS);
$oCriteria->addSelectColumn(SessionPeer::SES_DUE_DATE);
$oCriteria->add(SessionPeer::SES_UID, $this->sessionId);
$oCriteria->add(SessionPeer::SES_STATUS, 'ACTIVE');
$oCriteria->add(SessionPeer::SES_DUE_DATE, $date, Criteria::GREATER_EQUAL);
$oDataset = SessionPeer::doSelectRS($oCriteria);
$oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
$oDataset->next();
$aRow = $oDataset->getRow();
if( !is_array($aRow) ){
$this->deleteTmpfile();
}
return $aRow;
}
catch (Exception $oError) {
throw($oError);
}
}
/**
* This function registers into globals variables
*
*
* @name registerGlobal
*
* @param string $name
* @param string $value
* @return void
*/
public function registerGlobal($name, $value)
{
$this->tmpfile = G::getSysTemDir() . PATH_SEP . "pm-rg-{$this->sessionId}";
if($this->sessionId == NULL){
throw new Exception('session id was not set.');
}
$tmpfile_content = '';
if( is_file($this->tmpfile) && trim(file_get_contents($this->tmpfile)) != '' ) {
$tmpfile_content = file_get_contents($this->tmpfile);
}
//getting the global array
if( $tmpfile_content != ''){
$this->globals = unserialize($tmpfile_content);
} else {
$this->globals = Array();
}
//registering the new global variable
$this->globals[$name] = $value;
//saving the global array
$tmpfile_content = serialize($this->globals);
file_put_contents($this->tmpfile, $tmpfile_content);
}
/**
* This function gets a global variable
*
*
* @name getGlobal
*
* @param string $name
* @return string
*/
public function getGlobal($name)
{
$this->tmpfile = G::getSysTemDir() . PATH_SEP . "pm-rg-{$this->sessionId}";
if($this->sessionId == NULL){
throw new Exception('session id was not set.');
}
$tmpfile_content = '';
if( is_file($this->tmpfile) && trim(file_get_contents($this->tmpfile)) != '' ) {
$tmpfile_content = file_get_contents($this->tmpfile);
}
//getting the global array
if( $tmpfile_content != ''){
$this->globals = unserialize($tmpfile_content);
} else {
$this->globals = Array();
}
//getting the new global variable
if( isset($this->globals[$name]) ){
return $this->globals[$name];
} else {
return '';
}
}
/**
* This function gets all globals variables
*
*
* @name getGlobals
*
* @param string $name
* @return array
*/
public function getGlobals()
{
$this->tmpfile = G::getSysTemDir() . PATH_SEP . "pm-rg-{$this->sessionId}";
if($this->sessionId == NULL){
throw new Exception('session id was not set.');
}
$tmpfile_content = '';
if( is_file($this->tmpfile) && trim(file_get_contents($this->tmpfile)) != '' ) {
$tmpfile_content = file_get_contents($this->tmpfile);
}
//getting the global array
if( $tmpfile_content != ''){
$this->globals = unserialize($tmpfile_content);
} else {
$this->globals = Array();
}
return $this->globals;
}
/**
* This function removes a temporal file
*
*
* @name deleteTmpfile
*
* @param
* @return void
*/
private function deleteTmpfile(){
if($this->sessionId == NULL){
throw new Exception('session id was not set.');
}
$this->tmpfile = G::getSysTemDir() . PATH_SEP . "pm-rg-{$this->sessionId}";
@unlink($this->tmpfile);
}
}