@luchalupa/csobcz_payment_gateway

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 (not fully implemented)
• applePayInit(json payload) - ApplePay payment init (not fully implemented)
• 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.

---

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);
  });