#OpDarknet - TOR .onion is up or not

<?php

    /**
     *
     *   _        __        ___                 __               _
     *   | |     / /__     /   |  ________     / /   ___  ____  (_)___  ____
     *   | | /| / / _ \   / /| | / ___/ _ \   / /   / _ \/ __ `/ / __ \/ __ \
     *   | |/ |/ /  __/  / ___ |/ /  /  __/  / /___/  __/ /_/ / / /_/ / / / / _ _ _
     *   |__/|__/\___/  /_/  |_/_/   \___/  /_____/\___/\__, /_/\____/_/ /_(_|_|_)_)
     *                                                 /\_/ /
     *                                                 \ _ /
     *
     *  #OpDarknet: This script checks whether an TOR onion address is online or not.
     *  This assumes your usings TOR socks 9050 and control port 9051.  Uses $_GET['host']
     *  as input parameter.
     *
     *  #occupywallstreet, #freeanons, #freetopiary, #antisec
     *  We are Anonymous.
     *  We are Legion.
     *  We do not forgive.
     *  We do not forget.
     *  Expect us.
     */

    /* Request a new identity through the control port */
    function tor_new_identity($tor_ip='127.0.0.1', $control_port='9051', $auth_code='') {
        $fp = fsockopen($tor_ip, $control_port, $errno, $errstr, 30);
        if (!$fp) return false; //can't connect to the control port

        fputs($fp, "AUTHENTICATE $auth_code\r\n");
        $response = fread($fp, 1024);
        list($code, $text) = explode(' ', $response, 2);
        if ($code != '250') return false; //authentication failed

        //send the request to for new identity
        fputs($fp, "signal NEWNYM\r\n");
        $response = fread($fp, 1024);
        list($code, $text) = explode(' ', $response, 2);
        if ($code != '250') return false; //signal failed

        fclose($fp);
        return true;
    }

    /* A socks 4a wrapper, returns a socket through to the destination */
    function socks_connect ( $ip, $port, $dhost, $dport ) {
        if ( $socket = fsockopen( $ip, $port, $err, $errstr ) ) {
            /* Ask for a tunnel through to the destination */
            $h = pack("H*","0401")
                .pack( "n", $dport )
                .pack( "H*",'0000000'.rand(1,9)."00" )
                .$dhost.pack("H*","00" );
            if ( !fwrite( $socket, $h ) ) die ('Connection to socks failed');
            else return $socket;
        } else die('Cannot establish socks connection. Check settings');
    }

    function check( $url, $proxy ) {
        $tmp = parse_url($url);
        if ( !isset($tmp['host']) ) $tmp['host'] = $url;

        $fp = socks_connect( $proxy[0], $proxy[1], $url, 80 );
        $out = "HEAD / HTTP/1.1\r\n";
        $out .= "Host: ".$tmp['host']."\r\n"; // this will have to be broken down to URL and request
        $out .= "Proxy-Connection: close\r\n\r\n";
        fwrite($fp, $out);
        $response = '';
        while ( !feof($fp) ) {
            $response .= fgets($fp, 128);
        }
        fclose($fp);
        return $response;
   }
    /* How to get the correct PORT to your Tor Sock:
    *
    * Open your Tor browser Edit/Preferences/Advanced/Network/Settings
    * and see the SOCKS host and port
    */
    $proxy = array('127.0.0.1', '9050'); // Supply your SOCKS Tor credentials
    $response = check ( $_GET['host'] , $proxy );
    var_dump($response); // debug
    // do whatever we need to verify (200, 404, etc.)
?>