Wer kann mir sagen was für eine Datei das ist

<?php
class HtmlSource
{
var $host;
var $port = 80;
var $page;
var $request;
var $httpversion = "1.0";
var $method = "GET";
var $timeout = 30;
var $striptags;
var $showsource;
var $strip_responseheader = true;
var $accept;
var $accept_encoding;
var $accept_language;
var $authorization;
var $content_length;
var $content_type;
var $date;
var $referer;
var $useragent='Keywordmaster DraculaRequester v1.0';

var $cookies = array();
var $getvars = array();
var $postvars = array();

function addPostVar($name,$value)
{
if (!empty($name) && !empty($value))
{
$this->postvars[] =$name."=".$value;
}
}
function addGetVar($name,$value)
{
if (!empty($name) && !empty($value))
{
$this->getvars[] = $name."=".$value;
}
}

function addCookie($name,$value)
{
if (!empty($name) && !empty($value))
{
$this->cookies[] = $name."=".$value;
}
}

function getSource()
{
// Error check
if (empty($this->httpversion))
{
$this->httpversion = "1.0";
}
if (empty($this->method))
{
$this->method = "GET";
}

// Make GET variables
$vars = "";
$cookiehead = "";
if (sizeof($this->getvars) >0 && $this->method == "GET")
{
$vars = "?";
$vars .= join($this->getvars,"&");
// Knock last '&' off
// Remove this..?
if (sizeof($this->getvars) >1)
{
$vars = substr($vars,0,strlen($vars) -1);
}
}
// Make POST variables
if (sizeof($this->postvars) >0 && $this->method == "POST")
{
$vars = "\r\n";
$strpostvar = join($this->postvars,"&");
$vars .= $strpostvar;
$vars .= "\r\n";
}

// Make Cookies
if (sizeof($this->cookies) >0)
{
$cookiehead = "Cookie: ";
$cookiehead .= join($this->cookies,"; ");
$cookiehead .= "\r\n";
}

// Make up request. Host isn't strictly needed except IIS winges
if ($this->method == "POST")
{
$this->content_length = strlen($strpostvar);
$this->content_type = "application/x-www-form-urlencoded";

$this->request = $this->method." ".$this->page." HTTP/".$this->httpversion."\r\n";
$this->request .= "Host: ".$this->host."\r\n";
$this->request .= $cookiehead;
$this->request .= $this->_makeRequest();
$this->request .= $vars."\r\n";
} else{
$this->request = $this->method." ".$this->page.$vars." HTTP/".$this->httpversion."\r\n";
$this->request .= "Host: ".$this->host."\r\n";
$this->request .= $cookiehead;
$this->request .= $this->_makeRequest();
$this->request .= "\r\n";
}

// Open socket to URL

$sHnd = fsockopen ($this->host, $this->port, $errno, $errstr, $this->timeout);
if ($sHnd)
{
fputs ($sHnd, $this->request);

// Get source
while (!feof($sHnd))
{
$result .= fgets($sHnd,128);
}

// Strip header
if ($this->strip_responseheader)
{
$result = $this->_stripResponseHeader($result);
}

// Strip tags
if ($this->striptags)
{
$result = strip_tags($result);
}
// Show the source only
if ($this->showsource && !$this->striptags)
{
$result = htmlentities($result);
$result = nl2br($result);
}
} else {
$result = "Unable to connect to ".$this->host." on port ".$this->port." ( ".$errstr.")";
}
return $result;
}

function _makeRequest()
{
if (!empty($this->accept))
{
$result .= "Accept: ".$this->accept."\r\n";
}
if (!empty($this->accept_encoding))
{
$result .= "Accept-Encoding: ".$this->accept_encoding."\r\n";
}
if (!empty($this->accept_language))
{
$result .= "Accept-Language: ".$this->accept_language."\r\n";
}
if (!empty($this->authorization))
{
$result .= "Authorization: Basic ".base64_encode($this->authorization)."\r\n";
}
if (!empty($this->content_length))
{
$result .= "Content-length: ".$this->content_length."\r\n";
}
if (!empty($this->content_type))
{
$result .= "Content-type: ".$this->content_type."\r\n";
}
if (!empty($this->date))
{
$result .= "Date: ".$this->date."\r\n";
}
if (!empty($this->referer))
{
$result .= "Referer: ".$this->referer."\r\n";
}
if (!empty($this->useragent))
{
$result .= "User-Agent: ".$this->useragent."\r\n";
}

return $result;
}

function _stripResponseHeader($source)
{
$headerend = strpos($source,"\r\n\r\n");
if (is_bool($headerend))
{
$result = $source;
} else{
$StrHeader = substr($source, 0, $headerend+4);
$ArHeader = array();
$ArHeader = split("\n", $StrHeader);
//echo "hallo: ".$ArHeader[0]."\n";
foreach($ArHeader as $TmpHeader)
{
list($TmpHeader1, $TmpHeader2) = explode(' ', $TmpHeader, 2);
if($TmpHeader1 == 'Location:')
header("Location: $TmpHeader2");
}
$result = substr($source,$headerend+4,strlen($source) - ($headerend+4));
}
return $result;
}

}
?>

<?
include("../browseremulator.class.php");
$v3 = $HTTP_USER_AGENT;
$v4 = $REMOTE_ADDR;
$v5 = $HTTP_REFERER;
$source = new HtmlSource();
$source->host = "www.meinedomain.de";
$source->page = "/opti/dracula/meinedomain.de/index.php";
$source->method = "POST";
$source->addPostVar("v3",urlencode("$v3"));
$source->addPostVar("v4",urlencode("$v4"));
$source->addPostVar("v5",urlencode("$v5"));
$source->addPostVar("v6",urlencode("1633"));
$source->addPostVar("v7",urlencode("9826"));
echo $source->getSource();
$source = null;

?>