<?php
require_once("Security.php");
class File{
	function encodePath($path){
		global $sitekey;
		return Security::encrypt($path,$sitekey);
	}
	function decodePath($encPath){
		global $sitekey;
		return Security::decrypt($encPath,$sitekey);
	}	
	function getFile($encPath,$bEnc=true,$bAttach=false){
		$mimetypes = array (
			'mid' => 'audio/midi',
			'midi' => 'audio/midi',
			'kar' => 'audio/midi',
			'mpga' => 'audio/mpeg',
			'mp2' => 'audio/mpeg',
			'mp3' => 'audio/mpeg',
			'aif' => 'audio/x-aiff',
			'aiff' => 'audio/x-aiff',
			'aifc' => 'audio/x-aiff',
			'ram' => 'audio/x-pn-realaudio',
			'rm' => 'audio/x-pn-realaudio',
			'ra' => 'audio/x-realaudio',
			'wav' => 'audio/x-wav',
			'asx' => 'video/x-ms-asf',
			
			'pdf' => 'application/pdf',
			'rtf' => 'application/rtf',
			'asc' => 'text/plain',
			'txt' => 'text/plain',
			'log' => 'text/plain',
			'xml' => 'text/xml',
			'html' => 'text/hml',
			'htm' => 'text/hml',
	
			'bz2' => 'application/x-bzip2',
			'gz' => 'application/x-gzip',
			'tgz' => 'application/x-gzip',
			'zip' => 'application/zip',
	 	
			'dvi' => 'application/x-dvi',
			
			'gif' => 'image/gif',
			'jpeg' => 'image/jpeg',
			'jpg' => 'image/jpeg',
			'jpe' => 'image/jpeg',
			'png' => 'image/png',
			
			'mpeg' => 'video/mpeg',
			'mpg' => 'video/mpeg',
			'mpe' => 'video/mpeg',
			'qt' => 'video/quicktime',
			'mov' => 'video/quicktime',
			'avi' => 'video/x-msvideo'
		);
		if($bEnc)
			$path=File::decodePath($encPath);
		else
			$path=$encPath;

		if(!file_exists($path))
			die("File $path not exist. It can't be get");

		$aFile=explode(".",$path);
		$ext=$aFile[count($aFile)-1];
		$mime=$mimetypes[$ext];
		if($mime=="")
			$mime="application/x-download";
		header("Content-Description: File Transfer"); 
		header( "Content-type: $mime" );
		if($bAttach)
			header("Content-Disposition: attachment; filename=".basename($path)); 
		@readfile($path);
	}
	function getUrl($encPath,$bEnc=true,$bAttach=false){
		$mimetypes = array (
			'mid' => 'audio/midi',
			'midi' => 'audio/midi',
			'kar' => 'audio/midi',
			'mpga' => 'audio/mpeg',
			'mp2' => 'audio/mpeg',
			'mp3' => 'audio/mpeg',
			'aif' => 'audio/x-aiff',
			'aiff' => 'audio/x-aiff',
			'aifc' => 'audio/x-aiff',
			'ram' => 'audio/x-pn-realaudio',
			'rm' => 'audio/x-pn-realaudio',
			'ra' => 'audio/x-realaudio',
			'wav' => 'audio/x-wav',
			'asx' => 'video/x-ms-asf',
			
			'pdf' => 'application/pdf',
			'rtf' => 'application/rtf',
			'asc' => 'text/plain',
			'txt' => 'text/plain',
			'log' => 'text/plain',
			'xml' => 'text/xml',
			'html' => 'text/hml',
			'htm' => 'text/hml',
	
			'bz2' => 'application/x-bzip2',
			'gz' => 'application/x-gzip',
			'tgz' => 'application/x-gzip',
			'zip' => 'application/zip',
	 	
			'dvi' => 'application/x-dvi',
			
			'gif' => 'image/gif',
			'jpeg' => 'image/jpeg',
			'jpg' => 'image/jpeg',
			'jpe' => 'image/jpeg',
			'png' => 'image/png',
			
			'mpeg' => 'video/mpeg',
			'mpg' => 'video/mpeg',
			'mpe' => 'video/mpeg',
			'qt' => 'video/quicktime',
			'mov' => 'video/quicktime',
			'avi' => 'video/x-msvideo'
		);
		if($bEnc)
			$path=File::decodePath($encPath);
		else
			$path=$encPath;
		if(file_exists($path)){
			$aFile=explode(".",$path);
			$ext=$aFile[count($aFile)-1];
			$mime=$mimetypes[$ext];
			if($mime=="")
				$mime="application/x-download";
			header("Content-Description: File Transfer"); 
			header( "Content-type: $mime" );
			if($bAttach)
				header("Content-Disposition: attachment; filename=".basename($path)); 
			@readfile($path);
		}else
			die("File not exist");
	}
}
?>