<?php
	function veridot($string){
		while(substr($string,0,1)=="."):
			$string=substr($string,1);
		endwhile;
		return $string;
	}

	function filtrar($string) {
		$string = stripslashes($string);
		$string = str_replace("/", "", $string);
		$string = str_replace("\\", "", $string);
		$string = str_replace("%", "", $string);
		$string = veridot($string);
		return $string;
	}

	$doc=filtrar($_GET["link"]);

	header('Content-Type:application/octet-stream');
	header('Content-Disposition:attachment; filename="'.$doc.'"');
	readfile($doc);
?>