ČSOB CZ payment modules

Source | Gateway documentation

Module for ČSOB CZ payment gateway, supports gateway version 1.9 (although not all features are yet implemented)

Instalation

npm install @luchalupa/csobcz_payment_gateway

Configuration

Using environment variables

All keys are strings, for multiline env strings (certificates) check dotenv#rules.

variable name	description
GATEWAY_URL	payment gateway address
MERCHANT_PRIVATE_KEY	merchant private key
MERCHANT_PUBLIC_KEY	merchant public key
BANK_PUBLIC_KEY	bank public key
CALLBACK_URL	url called by gateway after payment
MERCHANT_ID	merchant id from gateway provider

Alternatively using config:

const { CSOBPaymentModule } = require('csobcz_payment_gateway');

const gateway = new CSOBPaymentModule({
  logging: ...,
  gateUrl:   ...,
  privateKey: ...,
  merchantPublicKey: ...,
  bankPublicKey: ...,
  calbackUrl: ...,
  merchantId: ...,
  payloadTemplate: {}
})

Attribute logging should be boolean or function used for debug info. By setting payloadTemplate can by overwrited more init method payload (see gateway config):

{
	"merchantId": "...",
	"payOperation": "payment",
	"payMethod": "card",
	"currency": "CZK",
	"language": "CZ",
	"returnUrl": "...",
	"returnMethod": "POST"
}

Available methods

• status(string payId) - returns payment status
• init(json payload) - payment init
• googlePayInit(json payload) - GooglePay payment init
• applePayInit(json payload) - ApplePay payment init
• oneClickInit(json payload) - OneClick payment init
• reverse(string payId) - reverse payment with given payId
• close(string payId) - close payment with given payId
• refund(string payId, int amount) - refund payment with given payId, if amount specified given amount is refunded
• echo(string method) - echo test, method is either GET or POST (default)
• verifyResult(json payload) - if success returns payload else returns error, payload is json returned from gateway callback.
• getRedirectUrl(string payId) - returns url to gateway
• processAppPayment("applepay" | "googlepay" type, string payId, object fingerprint) - processes google or apple payment
• processOneClickPayment(string payId) - processes oneClick paymment

---

Extra methods

• payOrder(json order, boolean close, json options) - wrapper for init and getRedirectUrl, close params is closePayment value, options are merged into request payload order example

{
	"id": "order1",
	"description": "Moje order",
	"items": [
		{
			"name": "Nákup: vasobchod.cz",
			"quantity": 1,
			"amount": 200,
			"description": "Produkt 1"
		}
	]
}

allowed is 1-2 items.

• getRedirectUrl(string payId) - returns gateway url for redirection

Return values/format

All methods returns Promise when resolved is JSON payload specified in Gateway documentation only Extra methods returns custom payload. Reject is JS Error.

• payOrder, getRedirectUrl - returned JSON

{
	"url": "https://api.platebnibrana.csob.cz/api/v1.7/payment/process/MERCHANDID/PAYID/20180504105513/KZr8D0z%2FVYFlX2fy0bs2NTafv...."
}

Example usage

const gateway = require('csobcz_payment_gateway')

gateway
	.echo('GET')
	.then((result) => {
		logger.log(result)
	})
	.catch((e) => {
		logger.error(e)
	})