ntom

<?php


$Vars = array(
    'VPS_URL'=>'https://ukvpstest.protx.com/vspgateway/service/vspdirect-register.vsp',
    'VPS_CALLBACK'=>'https://ukvpstest.protx.com/vspgateway/service/direct3dcallback.vsp',
    'TermUrl'=>'http://www.site.com/path-to-file'     /// put this as the path to your file - no trailing slash..
);


if(!isset($_GET['action']))
{
    print_r('No specific action is set.. <br />');
    // if you want to just set the fields with some prefilled stuff to save yourself having to
    // 'add to the cart' everytime, then use the $optRequest
    // see example below..
    $optRequest = 'VPSProtocol=2.22&TxType=PAYMENT&Vendor=XXXXXX&VendorTxCode='.time().'m&Currency=GBP&Description= ..... etc ';

    // if dont have a request pre made, then you have to do it like this
    /*
        $p = array(
            'VPSProtocol'        => '2.22',
            'TxType'        => 'PAYMENT',
            'Vendor'        => 'vps vendor name',
            'VendorTxCode'        => 'your vendor txt code',
            'Currency'        => 'GBP'

            .. etc and so on..
        );
    */
    // as were using a prefilled request which i print_r'd earlier, im just setting $p to null.
    $p = null;
    _CompletePayment($p, $Vars, $optRequest);
}
else if($_GET['action'] == 'callback')
{
    __VerifyCallback($_POST, $Vars);
}
else if($_GET['action'] == 'callbacktest')
{
    $optRequest = '...  .. ';
    __VerifyCallback($p = null, $Vars, $optRequest);
}
else
{
    print_r('Invalid action');
}


function _CompletePayment(&$p, &$Vars, $optReqeust = null)
{
    $request = '';
    if(is_array($p))
        foreach($p as $k=>$v)
            $request .= ("{$k}=".urlencode($v)."&");

    // print_r($request)  // this $request is what im sending with the $optRequest on line 13-16

    ($optReqeust) ? $request = $optReqeust : '';

    print_r('Attempting to connect to protx to process payment from $reqest variable on line:'.(__LINE__ - 2).'<br />');
    $c = curl_init();
    curl_setopt($c, CURLOPT_URL, $Vars['VPS_URL']);
    curl_setopt($c, CURLOPT_FAILONERROR, 1);
    curl_setopt($c, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($c, CURLOPT_TIMEOUT, 5);
    curl_setopt($c, CURLOPT_POST, 1);
    curl_setopt($c, CURLOPT_POSTFIELDS, $request);
    $result = curl_exec($c);

    if(!$result)
    {
        // An error occurred while sending a request for authorisation. The request returned: '.curl_error($c);
        print_r('Error while sending request to protx for authorization..  '.curl_error($c));
    }
    else
    {
        curl_close($c);
        $response = _SetResponse($result);

        if($response['Status'] !== 'OK')
        {
            if($response['Status'] != '3DAUTH')
            {
                // Not a 3d auth card.. perform whatever actions you like
                $errors++;
                print_r('Card is not \'OK\' and does not require 3D Auth, Failed payment with detail: <br />');
                print_r($response);
            }
            else
            {
                // response Status = 3DAUTH
                $tpl['PaReq'] = $response['PAReq'];
                $tpl['TermUrl'] = $Vars['TermUrl'].'/protxscript.php?action=callback';
                $tpl['MD'] = $response['MD'];
                $tpl['ACSURL'] = $response['ACSURL'];

                print_r('Sucessfully connected to protx, and populating the form with the following data to send to the callback url: <br />');
                print_r('<pre>');
                print_r($tpl);
                print_r('</pre>');

                echo '<form method="post" action="'.$tpl['ACSURL'].'">';
                echo "\n";
                echo '<input type="hidden" name="PaReq" value="'.$tpl['PaReq'].'" />';
                echo "\n";
                echo '<input type="hidden" name="TermUrl" value="'.$tpl['TermUrl'].'" />';
                echo "\n";
                echo '<input type="hidden" name="MD" value="'.$tpl['MD'].'" />';
                echo "\n";
                echo '<input type="submit" value="Send to server" />';
                echo "\n";
                echo '</form>';
            }
        }
        else
        {
            // payment a sucess
        }

    }
}

function __VerifyCallback(&$p, &$Vars, $optRequest)
{
    // you will want to pass $p as $_POST from your script /site
    $request = '';
    foreach($p as $k=>$v) $request .= ("{$k}=".urlencode($v)."&");

    ($optRequest) ? $request = $optRequest : '';

    $c = curl_init();
    curl_setopt($c, CURLOPT_URL, $Vars['VPS_CALLBACK']);
    curl_setopt($c, CURLOPT_FAILONERROR, 1);
    curl_setopt($c, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($c, CURLOPT_TIMEOUT, 5);
    curl_setopt($c, CURLOPT_POST, 1);
    curl_setopt($c, CURLOPT_POSTFIELDS, $request);
    $result = curl_exec($c);

    if(!$result)
    {
        print_r($Vars['VPS_CALLBACK']);
        print_r('Error: '.curl_error($c));
    }
    else
    {
        curl_close($c);
        $response = _SetResponse($result);

        switch ($response['Status'])
        {
            // perform the various methods here
            case 'OK':
                // do somthing like check to see the 3DSecureStatus
                print_r('Returned OK <br />');
                print_r('3DSecure Status is: '.$response['3DSecureStatus'].'<br />');
                break;
            default:
                print_r('Error: '.$response['StatusDetail'].'<br />');
                break;
        }
        print_r('Response was: <br />');
        print_r('<pre>');
        print_r($response);
        print_r('</pre>');
    }
}

function _SetResponse($result)
{
    $l = split(chr(10), $result);
    foreach($l as $k=>$v)
    {
        $v = explode("=", $v, 2);
        $r[$v[0]] = trim($v[1]);
    }
    return $r;
}

print_r('<br /><br /><br />');
highlight_file(__FILE__);

?>