cURL login na ASPX stranicu

Potrebno mi je da skripta uradi sledeće:
Uloguje se na sajt, ode na jednu stranicu i sa te stranice downloaduje zip fajl.

Očigledno je da sam se zaglavio sam kod ovog prvog:
Sumnjam na to da mi nešto nedostaje... ima li neko ideju gde grešim.

Code:
<?php

$cookie_file_path = '/Users/Alexxandar/Documents/WWW/$temp/ppg.txt';
$url ="http://ppg.canadatrader.com/login.aspx";

$fp = fopen("$cookie_file_path","w");
fclose($fp);
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 GTBDFff GTB7.0");
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
$result = curl_exec ($ch);

$doc = new DOMDocument();
@$doc->loadHTML($result);

$viewstate = inputValueById($doc, '__VIEWSTATE');
$eventvalidation = inputValueById($doc, '__EVENTVALIDATION');

$postArray = array(
    'ctl00$PageContentPlaceHolder$LoginBrown$frmUserName' => 'username',
    'ctl00$PageContentPlaceHolder$LoginBrown$frmPassword' => 'password',
    '__EVENTTARGET' => '',
    '__EVENTARGUMENT' => '',
    'ctl00$PageContentPlaceHolder$LoginBrown$btnLogin' => '',
    '__EVENTVALIDATION' => $eventvalidation,
    '__VIEWSTATE' => $viewstate
);

curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 GTBDFff GTB7.0");
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postArray);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file_path);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
$result = curl_exec ($ch);

echo "<hr />" . $result . "<hr />";

curl_close ($ch);

function inputValueById($DOMdoc, $id)
{
    $xpath = new DOMXPath($DOMdoc);
    $element =  $xpath->query("//*[@id='$id']")->item(0);

    foreach ($element->attributes as $attrName => $attrNode)
    {
        if($attrName == 'value')
        {
            return $attrNode->value;
        }
    }
}

?>

Forum kao aplikacija na telefonu

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