/**
* 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;
}
