protected function _ConstructPostData($postData)
{
$currency = GetDefaultCurrency();
$currencycode = strtolower($currency['currencycode']);
switch ($postData['cctype']) {
case 'VISA':
$cctype = '001';
break;
case 'MC':
$cctype = '002';
break;
case 'AMEX':
$cctype = '003';
break;
case 'DISCOVER':
$cctype = '004';
break;
case 'DINERS':
$cctype = '005';
break;
default:
$cctype = '000';
break;
}
$amount = $this->GetGatewayAmount();
$billingDetails = $this->GetBillingDetails();
$timestamp = getmicrotime();
$transactionid = $this->GetCombinedOrderId();
$signatureData = getMerchantID() . $amount . $currencycode . $timestamp . 'sale';
$cybersourcePost['merchantID'] = getMerchantID();
$cybersourcePost['billTo_firstName'] = htmlentities($billingDetails['ordbillfirstname']);
$cybersourcePost['billTo_lastName'] = $billingDetails['ordbilllastname'];
$cybersourcePost['billTo_street1'] = $billingDetails['ordbillstreet1'];
$cybersourcePost['billTo_city'] = $billingDetails['ordbillsuburb'];
$cybersourcePost['billTo_state'] = $billingDetails['ordbillstate'];
$cybersourcePost['billTo_postalCode'] = $billingDetails['ordbillzip'];
$cybersourcePost['billTo_country'] = $billingDetails['ordbillcountry'];
$cybersourcePost['billTo_email'] = $billingDetails['ordbillemail'];
$cybersourcePost['card_cardType'] = $cctype;
$cybersourcePost['card_accountNumber'] = $postData['ccno'];
$cybersourcePost['card_expirationMonth'] = $postData['ccexpm'];
$cybersourcePost['card_expirationYear'] = '20' . $postData['ccexpy'];
$cybersourcePost['orderPage_timestamp'] = $timestamp;
$cybersourcePost['orderPage_signaturePublic'] = hopHash($signatureData, getPublicKey());
$cybersourcePost['orderPage_serialNumber'] = getSerialNumber();
$cybersourcePost['orderPage_version'] = '4';
$cybersourcePost['orderPage_transactionType'] = 'sale';
$cybersourcePost['amount'] = $amount;
$cybersourcePost['currency'] = $currencycode;
$cybersourcePost['hash'] = md5($this->GetValue("accessid") . $transactionid . $_COOKIE['SHOP_ORDER_TOKEN'] . $amount);
$cybersourcePost['orderid'] = $transactionid;
$cybersourcePost['iscsessionid'] = $_COOKIE['SHOP_ORDER_TOKEN'];
return $cybersourcePost;
}
function VerifySignature($data, $signature)
{
$pub = getPublicKey();
$pub_digest = hopHash($data, $pub);
return strcmp($pub_digest, $signature) == 0;
}