/**
* 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->targetGoId, $paymentStatus->productName, $paymentStatus->totalPrice, $paymentStatus->currency, $paymentStatus->orderNumber, $paymentStatus->recurrentPayment, $paymentStatus->parentPaymentSessionId, $paymentStatus->preAuthorization, $paymentStatus->result, $paymentStatus->sessionState, $paymentStatus->sessionSubState, $paymentStatus->paymentChannel, $secureKey));
$decryptedHash = GopayHelper::decrypt($paymentStatus->encryptedSignature, $secureKey);
if ($decryptedHash != $hashedSignature) {
throw new \Exception("PS invalid signature");
}
}
/**
* Kontrola stavu platby proti internim udajum objednavky uzivatele - verifikace podpisu
*
* @param mixed $payment_status - vysledek volani paymentStatus
* @param string $session_state - ocekavany stav paymentSession (WAITING, PAYMENT_DONE)
* @param float $buyerGoId - identifikace uzivatele - GoId uzivatele pridelene GoPay
* @param string $variableSymbol - identifikace akt. objednavky
* @param float $totalPriceInCents - cena objednavky v halerich
* @param string $productName - nazev objednavky / zbozi
* @param string $secret - kryptovaci heslo pridelene uzivateli, urcene k podepisovani komunikace
*
* @return true
* @return false
*/
public static function checkBuyerPaymentStatus($payment_status, $session_state, $buyerGoId, $variableSymbol, $totalPriceInCents, $productName, $secret)
{
$valid = true;
/*
* Kontrola parametru objednavky
*/
$valid = GopayHelper::checkPaymentResultCommon($payment_status, $session_state, $buyerGoId, null, $variableSymbol, $totalPriceInCents, $productName, $secret);
if ($valid) {
/*
* Kontrola parametru objednavky
*/
$hashedSignature = GopayHelper::hash(GopayHelper::concatPaymentStatus($payment_status->buyerGoId, $payment_status->productName, $payment_status->totalPrice, $payment_status->variableSymbol, $payment_status->result, $payment_status->sessionState, $payment_status->paymentChannel, $secret));
$decryptedHash = GopayHelper::decrypt($payment_status->encryptedSignature, $secret);
if ($decryptedHash != $hashedSignature) {
$valid = false;
// echo "PS invalid signature <br>";
}
}
return $valid;
}