public function __construct(RequestInterface $request, $data)
{
parent::__construct($request, $data);
$requestParams = $request->getParameters();
$secureKey = $requestParams['secureKey'];
$hashedSignature = GopayHelper::hash(GopayHelper::concatPaymentStatus($data, $secureKey));
$decryptedHash = GopayHelper::decrypt($data->encryptedSignature, $secureKey);
if ($decryptedHash != $hashedSignature) {
throw new InvalidResponseException("Invalid response signature");
}
}
public static function paymentStatusWithState($sessionState)
{
$data = new stdClass();
$data->targetGoId = 12345;
$data->productName = 'Product Description';
$data->totalPrice = 1000;
$data->currency = 'CZK';
$data->orderNumber = '1234';
$data->recurrentPayment = '';
$data->parentPaymentSessionId = '';
$data->preAuthorization = '';
$data->result = GopayHelper::CALL_COMPLETED;
$data->sessionState = $sessionState;
$data->sessionSubState = '';
$data->paymentChannel = '';
$data->paymentSessionId = 11112222;
$data->encryptedSignature = GopayHelper::encrypt(GopayHelper::hash(GopayHelper::concatPaymentStatus($data, self::SECURE_KEY)), self::SECURE_KEY);
return $data;
}
/**
* Kontrola stavu platby proti internim udajum objednavky - verifikace podpisu.
*
* @param mixed $paymentStatus - vysledek volani paymentStatus
* @param string $sessionState - ocekavany stav paymentSession (WAITING, PAYMENT_DONE)
* @param float $goId - identifikator prijemce prideleny GoPay
* @param string $orderNumber - identifikace akt. objednavky u prijemce
* @param float $totalPriceInCents - cena objednavky v halerich
* @param string $currency - identifikator meny platby
* @param string $productName - nazev objednavky / zbozi
* @param string $secureKey - kryptovaci klic prideleny prijemci, urceny k podepisovani komunikace
*
* @throws Exception
*/
public static function checkPaymentStatus($paymentStatus, $sessionState, $goId, $orderNumber, $totalPriceInCents, $currency, $productName, $secureKey)
{
if (!empty($paymentStatus)) {
if ($paymentStatus->result != GopayHelper::CALL_COMPLETED) {
throw new Exception("PS invalid call state state");
}
if ($paymentStatus->sessionState != $sessionState) {
throw new Exception("PS invalid session state");
}
if (trim($paymentStatus->orderNumber) != trim($orderNumber)) {
throw new Exception("PS invalid VS");
}
if (trim($paymentStatus->productName) != trim($productName)) {
throw new Exception("PS invalid PN");
}
if ($paymentStatus->targetGoId != $goId) {
throw new Exception("PS invalid GoID");
}
if ($paymentStatus->totalPrice != $totalPriceInCents) {
throw new Exception("PS invalid price");
}
if ($paymentStatus->currency != $currency) {
throw new Exception("PS invalid currency");
}
} else {
throw new Exception("None payment status");
}
/*
* Kontrola podpisu objednavky
*/
$hashedSignature = GopayHelper::hash(GopayHelper::concatPaymentStatus($paymentStatus, $secureKey));
$decryptedHash = GopayHelper::decrypt($paymentStatus->encryptedSignature, $secureKey);
if ($decryptedHash != $hashedSignature) {
throw new Exception("PS invalid signature");
}
}
