<?php

/**

 * Joom!Fish - Multi Lingual extention and translation manager for Joomla!

 * Copyright (C) 2003-2009 Think Network GmbH, Munich

 *

 * All rights reserved.  The Joom!Fish project is a set of extentions for

 * the content management system Joomla!. It enables Joomla!

 * to manage multi lingual sites especially in all dynamic information

 * which are stored in the database.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * The "GNU General Public License" (GPL) is available at

 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

 * -----------------------------------------------------------------------------

 * $Id: jfinstaller.php 1344 2009-06-18 11:50:09Z akede $

 * @package joomfish

 * @subpackage jfinstaller

 *

*/



defined( 'JPATH_BASE' ) or die( 'Direct Access to this location is not allowed.' );



jimport('joomla.filesystem.file');



/**

 * This class allows general installation of files related to the Joom!Fish project

 * It is a light version of the mosInstaller class without the particular handling of

 * special package XML files within the archieves. All XML files are automatically

 * interpreterted as content element files and installed in the related directories

 *

 */

class jfInstaller {

	var $_iswin			= false;

	var $errno			= 0;

	var $error			= "";

	var $_unpackdir		= "";



	/** @var string The directory where the element is to be installed */

	var $_elementdir 		= '';

	var $_uploadfile		= null;

	var $_realname			= null;

	var $_contentelements	= array();



	/**

	* Constructor

	*/

	function jfInstaller() {

		$this->_iswin = (substr(PHP_OS, 0, 3) == 'WIN');

		$this->_elementdir =JPath::clean( JPATH_COMPONENT_ADMINISTRATOR. DS.'contentelements' );



	}



	/**

	 * Installation of a single file or archive for the joomfish files

	 * @param array uploadfile	retrieved information transferred by the upload form

	 */

	function install( $uploadfile = null ) {

		if( $uploadfile === null ) {

			return false;

		}

		$this->_uploadfile = $uploadfile['tmp_name'];

		$this->_realname = $uploadfile['name'];



		return $this->upload();

	}



	/**

	* Uploads and unpacks a file

	* @return boolean True on success, False on error

	*/

	function upload() {

		if( !eregi( '.xml$', $this->_realname ) ) {

			if(! $this->extractArchive() ) {

				return false;

			}

		}



		if( !is_array( $this->_uploadfile ) ) {

			if(!@JFile::copy($this->_uploadfile, $this->_elementdir .DS. $this->_realname) ) {

				$this->errno = 2;

				$this->error = JText::_('FILEUPLOAD_ERROR');

				return false;

			}

		} else {

			foreach ($this->_uploadfile as $file ) {

				if(! @JFile::copy($this->_unpackdir .DS . $file, $this->_elementdir .DS. $file) ) {

					$this->errno = 2;

					$this->error = JText::_('FILEUPLOAD_ERROR');

					return false;

				}

			}

		}

		return true;

	}



	/**

	* Extracts the package archive file

	* @return boolean True on success, False on error

	*/

	function extractArchive() {



		$base_Dir 		=JPath::clean( JPATH_BASE. '/media' );



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

		$tmpdir 		= uniqid( 'install_' );



		$extractdir 	=JPath::clean( $base_Dir . $tmpdir );

		$archivename 	=JPath::clean( $archivename, false );

		$this->_unpackdir = $extractdir;



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

			// Extract functions

			require_once( JPATH_ADMINISTRATOR . '/includes/pcl/pclzip.lib.php' );

			require_once(  JPATH_ADMINISTRATOR. '/includes/pcl/pclerror.lib.php' );

			$zipfile = new PclZip( $this->_uploadfile );

			if($this->_iswin) {

				define('OS_WINDOWS',1);

			} else {

				define('OS_WINDOWS',0);

			}



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

			if($ret == 0) {

				$this->errno = 1;

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

				return false;

			}

		} else {

			require_once( JPATH_SITE . '/includes/Archive/Tar.php' );

			$archive = new Archive_Tar( $this->_uploadfile );

			$archive->setErrorHandling( PEAR_ERROR_PRINT );



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

				$this->setError( 1, 'Extract Error' );

				return false;

			}

		}



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

		// Save the install dir for later cleanup

	jimport('joomla.filesystem.folder');

		$this->_uploadfile =JFolder::files($extractdir, '' );



		if (count( $this->_uploadfile ) == 1) {

			if (is_dir( $extractdir . $this->_uploadfile[0] )) {

				$this->_unpackdir =JPath::clean( $extractdir . $this->_uploadfile[0] );

				$this->_uploadfile = JFolder::files( $extractdir, '' );

			}

		}



		return true;

	}

}



?>

