/** * 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; }