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<?php
/*------------------------------------------------------------------------
# Copyright (C) 2005-2012 WebxSolution Ltd. All Rights Reserved.
# @license - GPLv2.0
# Author: WebxSolution Ltd
# Websites: http://www.webxsolution.com
# Terms of Use: An extension that is derived from the JoomlaCK editor will only be allowed under the following conditions: http://joomlackeditor.com/terms-of-use
# ------------------------------------------------------------------------*/
defined( '_JEXEC' ) or die;
class ArchiveFactory
{
private $phar = null;
private $baseDir = '';
private $name = '';
private $archive = null;
public function __construct($baseDir,$name)
{
$this->baseDir = $baseDir;
$this->name = $name;
}
private function build()
{
if(class_exists('PharData'))
$this->pharBuild();
else
$this->zipBuild();
}
private function pharBuild()
{
$this->type = $type = 'tar.gz';
$this->phar = new PharData($this->name.'.tar');
$this->phar->buildFromDirectory($this->baseDir);
$this->phar->convertToData(Phar::TAR,Phar::GZ,'.'.$this->type);
unset( $this->phar ); // remove any references to this file!
unlink($this->name .'.tar');
$this->archive = file_get_contents($this->name.'.'.$this->type);
unlink($this->name. '.'.$this->type);
}
private function zipBuild()
{
$this->type = $type = 'zip';
$zip = new ZipArchive();
// open archive
$name = $this->name.'.zip';
if ($zip->open($name, ZIPARCHIVE::CREATE) !== TRUE)
throw new Exception ("Could not open archive");
$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($this->baseDir,FilesystemIterator::SKIP_DOTS));
foreach ($iterator as $key=>$value)
{
$filterKey = str_replace($this->baseDir.'/','',$key);
if(!$zip->addFile(realpath($key),$filterKey))
throw new Exception('ERROR: Could not add file: '.$filterKey);
}
$zip->close();
$this->archive = file_get_contents($name);
unlink($name);
}
public function downloadFile()
{
$this->build();
switch ($this->type)
{
case "tar.gz":
case "tgz":
header("Content-Type: application/x-gzip");
break;
case "bzip":
header("Content-Type: application/x-bzip2");
break;
case "zip":
header("Content-Type: application/zip");
break;
case "tar":
header("Content-Type: application/x-tar");
}
$name = $this->name. '.'. $this->type;
$header = "Content-Disposition: attachment; filename=\"";
$header .= $name;
$header .= "\"";
header($header);
header("Content-Length: " . strlen($this->archive));
header("Content-Transfer-Encoding: binary");
header("Cache-Control: no-cache, must-revalidate, max-age=60");
header("Expires: Sat, 01 Jan 2000 12:00:00 GMT");
echo $this->archive;
exit;
}
}