Location: PHPKode > projects > Seo Panel > seopanel/controllers/download.ctrl.php
<?php

/***************************************************************************
 *   Copyright (C) 2009-2011 by Geo Varghese(www.seopanel.in)  	   *
 *   hide@address.com   												   *
 *                                                                         *
 *   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.             *
 ***************************************************************************/

# class defines all download controller functions
class DownloadController extends Controller{
	
	function downloadFile($fileInfo){

		if ($fileName = $this->isValidFile($fileInfo['file'])) {
			
			$fileType = $fileInfo['filetype'];
			$fileSec = $fileInfo['filesec'];
			switch($fileSec){
				
				case "sitemap":
					$file = SP_TMPPATH."/".$fileName;
					break;
			}
			
			header("Content-type: application/$fileType;\n");
			header("Content-Transfer-Encoding: binary");
			$len = filesize($file);
			header("Content-Length: $len;\n");
			header("Content-Disposition: attachment; filename=\"$fileName\";\n\n");
			
			ob_clean();
	    	flush();
			readfile($file);		
		} else {
			echo "<font style='color:red;'>You are not allowed to access this file!</font>";
			exit;
		}
	}
	
	# function to check whether valid file
	function isValidFile($fileName) {
		$fileName = urldecode($fileName);
		$fileName = str_replace(array('../', './', '..'), '', $fileName);
		if (preg_match('/\.xml$|\.html$|\.txt$/i', $fileName)) {
			return $fileName;
		}		
		return false;
	}
}
?>
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