<?php

/**

* @version 1.2.0

* @package RSform!Pro 1.2.0

* @copyright (C) 2007-2009 www.rsjoomla.com

* @license Commercial License, http://www.rsjoomla.com/terms-and-conditions.html

*/



// no direct access

defined( '_JEXEC' ) or die( 'Restricted access' );







///////////////////////////////////////////////////// SUBMISSIONS /////////////////////////////////////////////////////



include('submissions.class.php');



///////////////////////////////////////////////////// CAPTCHA /////////////////////////////////////////////////////



include('captcha.class.php');

  

///////////////////////////////////////////////////// RSINSTALLER /////////////////////////////////////////////////////  

  

class RSinstaller {

	var $archivename	= "";

	var $installDir		= "";

	var $installFile	= "";

	var $installType	= "";

	var $unpackDir		= "";

	var $xmldoc			= null;

	var $msg			= null;

	

	var $elementName	= null;

	var $elementDir		= null;

	

	

	function upload($filename = null) 

	{

		$this->archivename = $filename;



		if ($this->extract()) {

			if(file_exists($this->installDir . '/install.xml')) 

			{

				$this->setInstallFile($this->installDir . '/install.xml');

				return true;

			}

			else return false;

		} else {

			return false;

		}

	}

	

	

	function extract() 

	{

		$RSadapter = $GLOBALS['RSadapter'];



		$base_Dir 		= $RSadapter->processPath( $RSadapter->config['absolute_path'] . '/media' );



		$archivename 	= $base_Dir . $this->archivename;

		$tmpdir 		= uniqid( 'rsinstall_' );



		$extractdir 	= $RSadapter->processPath( $base_Dir . $tmpdir );

		$archivename 	= $RSadapter->processPath( $archivename, false );



		$this->unpackDir = $extractdir ;



		if (eregi( '.zip$', $archivename )) {

			// Extract functions

			require_once( $RSadapter->config['absolute_path'] . '/administrator/includes/pcl/pclzip.lib.php' );

			require_once( $RSadapter->config['absolute_path'] . '/administrator/includes/pcl/pclerror.lib.php' );

			

			$zipfile = new PclZip( $archivename );

			if((substr(PHP_OS, 0, 3) == 'WIN')) {

				define('OS_WINDOWS',1);

			} else {

				define('OS_WINDOWS',0);

			}



			$ret = $zipfile->extract( PCLZIP_OPT_PATH, $extractdir );

			if($ret == 0) {

				$this->msg = 'Unrecoverable error "'.$zipfile->errorName(true).'"' ;

				return false;

			}

		} else {

			require_once( $RSadapter->config['absolute_path'] . '/includes/Archive/Tar.php' );

			$archive = new Archive_Tar( $archivename );

			$archive->setErrorHandling( PEAR_ERROR_PRINT );



			if (!$archive->extractModify( $extractdir, '' )) {

				$this->msg = 'Extract Error' ;

				return false;

			}

		}



		$this->installDir = $extractdir;



		// Try to find the correct install dir. in case that the package have subdirs

		// Save the install dir for later cleanup

		$filesindir = $RSadapter->readDirectory( $this->installDir, '' );



		if (count( $filesindir ) == 1) {

			if (is_dir( $extractdir . $filesindir[0] )) {

				$this->installDir = $RSadapter->processPath( $extractdir . $filesindir[0] ) ;

			}

		}

		return true;

	}

	

	function setInstallFile( $filename = null ) 

	{

		if(!is_null($filename)) {

			if((substr(PHP_OS, 0, 3) == 'WIN')) {

				$this->installFile = str_replace('/','\\',$filename);

			} else {

				$this->installFile = str_replace('\\','/',$filename);

			}

		}

		return $this->installFile;

	}

	

	function readInstall()

	{

		$this->xmldoc = new DOMIT_Lite_Document();

		$this->xmldoc->resolveErrors( true );

		if (!$this->xmldoc->loadXML( $this->installFile, false, true )) {

			return false;

		}

		$root = &$this->xmldoc->documentElement;



		// Check that it's an installation file

		if ($root->getTagName() != 'RSinstall') {

			$this->msg = 'File :"' . $this->installFile . '" is not a valid RSform!Pro installation file' ;

			return false;

		}



		$this->installType = $root->getAttribute( 'type' ) ;

		return true;	

	}

	

	function cleanup( $userfile_name, $resultdir) {

		$RSadapter = $GLOBALS['RSadapter'];

		

		if (file_exists( $resultdir )) {

			$this->deldir( $resultdir );

			unlink( $RSadapter->processPath( $RSadapter->config['absolute_path'] . '/media/' . $userfile_name, false ) );

		}

	}



		

	function deldir( $dir ) {

		$RSadapter = $GLOBALS['RSadapter'];

		$current_dir = opendir( $dir );

		$old_umask = umask(0);

		while ($entryname = readdir( $current_dir )) {

			if ($entryname != '.' and $entryname != '..') {

				if (is_dir( $dir . $entryname )) {

					$this->deldir( $RSadapter->processPath( $dir . $entryname ) );

				} else {

	                @chmod($dir . $entryname, 0777);

					unlink( $dir . $entryname );

				}

			}

		}

		umask($old_umask);

		closedir( $current_dir );

		return rmdir( $dir );

	}

	

	

	

	

	

}

?>