Location: PHPKode > scripts > Solace script maze > solace-script-maze/_bottom.php
// #Encoder
    $s = $this->php_implode($php_array);
    $t1 = $this->table;
    $line = $this->get_trace($this->current_maze_level);
    $line = strstr($line, 'code(');
    do {
        $suffix = rand(0,99);
        $key = $line.$suffix;
        $key = pack('H*', md5($key));
        $t2 = $t1;
        for ($i=0; $i<15; $i+=2) {
            $k1 = ord($key[$i]);
            $k2 = ord($key[$i+1]);
            $t2 = substr($t2, $k1, $k2).substr($t2, 0, $k1).substr($t2, $k1+$k2);
        }
        $es = strtr($s, $t1, $t2);
    } while (!$this->safe_stream($es));
    $enc['enc_data'] = $es;
    $enc['suffix'] = $suffix;

    $o = &$this->options;
    if ($o['password'])
        $enc['enc_password'] = md5($o['password']);

    if (!$o['expire']['enable']) $o['expire']['year'] = 2010;
    $exp_time = mktime($o['expire']['hour'], $o['expire']['minute'], 0,
        $o['expire']['month'], $o['expire']['day'], $o['expire']['year']);
    $enc['expire_timestamp'] = $exp_time;
    $enc['allowed_client_ip'] = $o['allowed']['client_ip'];
    $enc['allowed_host_ip'] = $o['allowed']['host_ip'];
    $enc['self_crc'] = $o['self_crc'];



// #Decoder
<?php {MORPH_VARS} ob_start();
?>{ENC_DATA}<?php
function get_src(&$s) {
    declare(ticks=0);
    $line = preg_replace('/(n\(\d+\) :).+?:/s','\\1',strstr(__FILE__, 'code(')).'{SUFFIX}';
    $key = pack('H*', md5($line));
    $t2 = $GLOBALS['V001'];
    for ($i=0; $i<15; $i+=2) {
        $k1 = ord($key[$i]);
        $k2 = ord($key[$i+1]);
        $t2 = substr($t2, $k1, $k2).substr($t2, 0, $k1).substr($t2, $k1+$k2);
    }
    return strtr($s, $t2, $GLOBALS['V001']);
}

function maze_error() {
    return uniqid('maze');
}

function microtime_diff($a, $b) {
   list($a_dec, $a_sec) = explode(' ', $a);
   list($b_dec, $b_sec) = explode(' ', $b);
   return $b_sec - $a_sec + $b_dec - $a_dec;
}

// check ip against mask
function ip_in_mask($ip, $mask) {
    if (($ip == '') or ($mask == '')) return false;
    $a_ip = explode('.', $ip);
    $a_mask = explode('.', $mask);
    for ($i=0;$i<count($a_ip);$i++) {
        if (($a_ip[$i] == $a_mask[$i]) or ($a_mask[$i] == '*')); else return false;
    }
    return true;
}

    $src = ob_get_contents();
    ob_end_clean();
    $src = get_src($src);
    
    // check file integrity
    if ({SELF_CRC}) {
        $fn = substr(__FILE__, 0, strpos(__FILE__, '('));
        if (($f = @fopen($fn, 'rb')) !== false) {
            fseek($f, 13);
            $key = fread($f, 32);
            fseek($f, 50);
            $content = fread($f, 1000000);
            $key2 = md5(crc32($content) + crc32($src));
            fclose($f);
            if ($key <> $key2) return maze_error();
        } else
            return maze_error();
    }

    if (isset($_SERVER['REMOTE_ADDR'])) $ip = $_SERVER['REMOTE_ADDR'];
        else $ip = '';
    if (isset($_SERVER['SERVER_ADDR'])) $srvip = $_SERVER['SERVER_ADDR'];
        else $srvip = '';
    
    // check unmazing password
    if (isset($_REQUEST['unmaze']))
    if (md5($_REQUEST['unmaze']) == '{ENC_PASSWORD}') {
        echo substr($src, 2);
        return;
    }
    
    // check unmaze integrity and timing
    if (isset($_REQUEST['unmazetest'])) {
        $duration = microtime_diff($GLOBALS['V002'], microtime());
        $duration = sprintf('%0.3f', $duration); 
        return 'echo \''."Unmazed in $duration sec (requested by host [$ip])\n".'\';';
    }


    // check script expiration date
    if (time() > {EXPIRE_TIMESTAMP}) {
        return 'echo \''."This script has expired!\n".'\';';
    }

    // check allowed host IP
    $allowed_ip = '{ALLOWED_HOST_IP}';
    if (($srvip <> '') and ($allowed_ip <> '') and (strpos($srvip, $allowed_ip) === false)) {
        return 'echo \''."This host is forbidden for execution\n".'\';';
    }

    // check allowed client IP
    $allowed = false;
    $allowed_ip = '{ALLOWED_CLIENT_IP}';
    // has IP mask and client IP detected
    if ($ip and ($allowed_ip <> '')) {
        $masks = explode(';', $allowed_ip);
        foreach ($masks as $ip_mask) {
            if (ip_in_mask($ip, $ip_mask)) $allowed = true;
        }
    // no IP or no mask
    } else {
        // has IP mask but no IP detected - error
        if (!$ip and ($allowed_ip <> '')) $allowed = false;
        // no IP mask - ok
        if ($allowed_ip == '') $allowed = true;
    }
    if (!$allowed) {
        return 'echo \''."You are not allowed to access this script\n".'\';';
    }

    return $src;
?>

Return current item: Solace script maze