node-idin/dist/transaction-protocol.js

NodeJS Library for iDIN (https://www.idin.nl/)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const assert_1 = require("assert");
const pretty_data_1 = require("pretty-data");
const uniqid = require("uniqid");
const xml_js_1 = require("xml-js");
const await_to_js_1 = require("await-to-js");
const idin_protocol_1 = require("./idin-protocol");
const idin_request_1 = require("./idin-request");
function formatTransactionProtocolXML({ issuerId, merchantReturnUrl, defaultLanguage, expirationPeriod, idPrefix, loa, requestedService, transactionId, merchantSubId, merchantId, publicKeyFingerprint, privateKey, publicKey, }) {
    const xml = pretty_data_1.pd.xmlmin(`
    <?xml version="1.0" encoding="UTF-8"?>
    <AcquirerTrxReq version="1.0.0"
      productID="NL:BVN:BankID:1.0"
      xmlns="http://www.betaalvereniging.nl/iDx/messages/Merchant-Acquirer/1.0.0"
      xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
      <createDateTimestamp>${new Date().toISOString()}</createDateTimestamp>
      <Issuer>
        <issuerID>${issuerId}</issuerID>
      </Issuer>
      <Merchant>
        <merchantID>${merchantId}</merchantID>
        <subID>${merchantSubId}</subID>
        <merchantReturnURL>${merchantReturnUrl}</merchantReturnURL>
      </Merchant>
      <Transaction>
        <expirationPeriod>${expirationPeriod}</expirationPeriod>
        <language>${defaultLanguage}</language>
        <entranceCode>${idPrefix}${transactionId}${uniqid.time()}</entranceCode>
        <container>
          <samlp:AuthnRequest
            xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
            xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
            AttributeConsumingServiceIndex="${requestedService}"
            ID="${idPrefix}${transactionId}"
            IssueInstant="${new Date().toISOString()}"
            Version="2.0"
            ProtocolBinding="nl:bvn:bankid:1.0:protocol:iDx"
            AssertionConsumerServiceURL="${merchantReturnUrl}">
            <saml:Issuer>${merchantId}</saml:Issuer>
            <samlp:RequestedAuthnContext Comparison="minimum">
              <saml:AuthnContextClassRef>nl:bvn:bankid:1.0:${loa}</saml:AuthnContextClassRef>
            </samlp:RequestedAuthnContext>
          </samlp:AuthnRequest>
        </container>
      </Transaction>
    </AcquirerTrxReq>
  `);
    return idin_protocol_1.signXml({ xml, publicKey, publicKeyFingerprint, privateKey });
}
async function getTransactionResponse({ merchantId, merchantSubId, routingCert, routingEndpoint, publicKeyFingerprint, privateKey, publicKey }, otherParams) {
    const [err, res] = await await_to_js_1.default(idin_request_1.fetchResponse({
        payload: formatTransactionProtocolXML({ ...otherParams, merchantId, merchantSubId, publicKeyFingerprint, privateKey, publicKey }),
        routingEndpoint,
        routingCert,
    }));
    assert_1.ifError(err);
    const parsed = JSON.parse(xml_js_1.xml2json(res, { compact: true }));
    if (parsed['ns3:AcquirerErrorRes']) {
        return {
            createDateTimestamp: parsed['ns3:AcquirerErrorRes']['ns3:createDateTimestamp'],
            Error: parsed['ns3:AcquirerErrorRes']['ns3:Error'],
        };
    }
    return {
        createDateTimestamp: parsed['ns3:AcquirerTrxRes']['ns3:createDateTimestamp']._text,
        Acquirer: {
            acquirerID: parsed['ns3:AcquirerTrxRes']['ns3:Acquirer']['ns3:acquirerID']._text,
        },
        Issuer: {
            issuerAuthenticationURL: parsed['ns3:AcquirerTrxRes']['ns3:Issuer']['ns3:issuerAuthenticationURL']._text,
        },
        Transaction: {
            transactionID: parsed['ns3:AcquirerTrxRes']['ns3:Transaction']['ns3:transactionID']._text,
            transactionCreateDateTimestamp: parsed['ns3:AcquirerTrxRes']['ns3:Transaction']['ns3:transactionCreateDateTimestamp']._text,
        },
    };
}
exports.default = getTransactionResponse;
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