(Node.js) Hungary NAV Manage Annulment Request

Demonstrates the manageAnnulment request for the Hungarian NAV Online Invoicing System REST API v2.0.

Note: This example requires Chilkat v9.5.0.83 or greater.

For more information, see https://onlineszamla.nav.gov.hu/api/files/container/download/Online%20Szamla_Interfesz%20specifik%C3%A1ci%C3%B3_EN_v2.0.pdf

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Build the following XML:

    // Use this online tool to generate code from sample XML: 
    // Generate Code to Create XML

    // <?xml version="1.0" encoding="UTF-8"?>
    // <ManageAnnulmentRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
    // 	<header>
    // 		<requestId>RID338592103413</requestId>
    // 		<timestamp>2019-09-11T13:37:09.385Z</timestamp>
    // 		<requestVersion>2.0</requestVersion>
    // 		<headerVersion>1.0</headerVersion>
    // 	</header>
    // 	<user>
    // 		<login>lwilsmn0uqdxe6u</login>
    // 		<passwordHash>2F43840A882CFDB7DB0 ... F6CA57FE8CD74DC28E</passwordHash>
    // 		<taxNumber>11111111</taxNumber>
    // 		<requestSignature>A297E3BD9 ... 1959ADFAF5</requestSignature>
    // 	</user>
    // 	<software>
    // 		<softwareId>123456789123456789</softwareId>
    // 		<softwareName>string</softwareName>
    // 		<softwareOperation>LOCAL_SOFTWARE</softwareOperation>
    // 		<softwareMainVersion>string</softwareMainVersion>
    // 		<softwareDevName>string</softwareDevName>
    // 		<softwareDevContact>string</softwareDevContact>
    // 		<softwareDevCountryCode>HU</softwareDevCountryCode>
    // 		<softwareDevTaxNumber>string</softwareDevTaxNumber>
    // 	</software>
    // 	<exchangeToken>dbd03076-3a9b-4312-bbbb-0cee3a6472572P11CS49ASIL</exchangeToken>
    // 	<annulmentOperations>
    // 		<annulmentOperation>
    // 			<index>1</index>
    // 			<annulmentOperation>ANNUL</annulmentOperation>
    // 			<invoiceAnnulment>PD94bWwgdm ... ubnVsbWVudD4=</invoiceAnnulment>
    // 		</annulmentOperation>
    // 	</annulmentOperations>
    // </ManageAnnulmentRequest>

    var success;
    var crypt = new chilkat.Crypt2();

    var dtNow = new chilkat.CkDateTime();
    dtNow.SetFromCurrentSystemTime();
    console.log(dtNow.GetAsTimestamp(false));

    // The hash algorithm for the password is SHA512 (not SHA3-512).
    crypt.HashAlgorithm = "sha512";
    crypt.EncodingMode = "hex";
    var myPassword = "my-password";
    var passwordHash = crypt.HashStringENC(myPassword);

    // Generate a random request ID like "RID215118906689"
    var prng = new chilkat.Prng();
    var sbRequestId = new chilkat.StringBuilder();
    sbRequestId.Append("RID");
    sbRequestId.Append(prng.RandomString(12,true,false,false));
    console.log("generated requestId = " + sbRequestId.GetAsString());

    // Calculate the requestSignature
    crypt.HashAlgorithm = "sha3-512";
    var signatureKey = "ce-8f5e-215119fa7dd621DLMRHRLH2S";

    var sbFinalHashBase = new chilkat.StringBuilder();

    // First append the timestamp because we are going to remove certain chars/parts.
    sbFinalHashBase.Append(dtNow.GetAsTimestamp(false));
    var numReplaced = sbFinalHashBase.Replace("Z","");
    numReplaced = sbFinalHashBase.Replace("-","");
    numReplaced = sbFinalHashBase.Replace(":","");
    numReplaced = sbFinalHashBase.Replace("T","");

    // Prepend the requestId and append the signatureKey
    sbFinalHashBase.Prepend(sbRequestId.GetAsString());
    sbFinalHashBase.Append(signatureKey);

    // Calculate first (and only) index hash.
    var invoiceOperation = "ANNUL";
    var invoiceData = "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9InllcyI/Pg0KPEludm9pY2VBbm51bG1lbnQgeG1sbnM9Imh0dHA6Ly9zY2hlbWFzLm5hdi5nb3YuaHUvT1NBLzIuMC9hbm51bCI+DQoJCTxhbm51bG1lbnRSZWZlcmVuY2U+MjIyMjIyMjI8L2FubnVsbWVudFJlZmVyZW5jZT4NCgkJPGFubnVsbWVudFRpbWVzdGFtcD4yMDE4LTA2LTE4VDA5OjEwOjQ1LjMwOVo8L2FubnVsbWVudFRpbWVzdGFtcD4NCgkJPGFubnVsbWVudENvZGU+RVJSQVRJQ19EQVRBPC9hbm51bG1lbnRDb2RlPg0KCQk8YW5udWxtZW50UmVhc29uPmNyZWF0ZSBzemFtbGEgYW5udWw8L2FubnVsbWVudFJlYXNvbj4NCjwvSW52b2ljZUFubnVsbWVudD4=";

    var sbHashBase = new chilkat.StringBuilder();
    sbHashBase.Append(invoiceOperation);
    sbHashBase.Append(invoiceData);
    var firstHash = crypt.HashStringENC(sbHashBase.GetAsString());

    // Append the index hash to the final hash base.
    sbFinalHashBase.Append(firstHash);

    // Get our request signature (using sha3-512 because our HashAlgorithm was set to "sha3-512" up above...)
    var requestSignature = crypt.HashStringENC(sbFinalHashBase.GetAsString());

    // Load our recently obtained exchange token.
    // See Hungary NAV Invoicing Token Exchange Sample Code
    var xmlExchangeToken = new chilkat.Xml();
    success = xmlExchangeToken.LoadXmlFile("qa_data/tokens/nav_exchange_token.xml");
    if (success == false) {
        console.log(xmlExchangeToken.LastErrorText);
        return;
    }

    // Get the base64 encoded/encrypted exchange token.
    // IMPORTANT:  Make sure to use the exchange token before it expires.
    // If it expired, then get a new one..
    var encodedEncryptedExchangeToken = xmlExchangeToken.GetChildContent("encodedExchangeToken");

    // Decode to binary.
    var bdExchangeToken = new chilkat.BinData();
    bdExchangeToken.AppendEncoded(encodedEncryptedExchangeToken,"base64");

    // Decrypt using your 16-digit replacement key:
    crypt.CryptAlgorithm = "aes";
    crypt.CipherMode = "ecb";
    crypt.KeyLength = 128;
    crypt.EncodingMode = "base64";
    // Pass your 16-digit replacement key here:
    crypt.SetEncodedKey("99952BBAAAAA8XYZ","ascii");
    crypt.DecryptBd(bdExchangeToken);
    var exchangeToken = bdExchangeToken.GetString("utf-8");
    console.log("exchange token = " + exchangeToken);

    // Now build the XML..
    var xml = new chilkat.Xml();
    xml.Tag = "ManageAnnulmentRequest";
    xml.AddAttribute("xmlns","http://schemas.nav.gov.hu/OSA/2.0/api");
    xml.UpdateChildContent("header|requestId",sbRequestId.GetAsString());
    xml.UpdateChildContent("header|timestamp",dtNow.GetAsTimestamp(false));
    xml.UpdateChildContent("header|requestVersion","2.0");
    xml.UpdateChildContent("header|headerVersion","1.0");
    xml.UpdateChildContent("user|login","lwilsmn0uqdxe6u");
    xml.UpdateChildContent("user|passwordHash",passwordHash);
    xml.UpdateChildContent("user|taxNumber","11111111");
    xml.UpdateChildContent("user|requestSignature",requestSignature);
    xml.UpdateChildContent("software|softwareId","123456789123456789");
    xml.UpdateChildContent("software|softwareName","string");
    xml.UpdateChildContent("software|softwareOperation","LOCAL_SOFTWARE");
    xml.UpdateChildContent("software|softwareMainVersion","string");
    xml.UpdateChildContent("software|softwareDevName","string");
    xml.UpdateChildContent("software|softwareDevContact","string");
    xml.UpdateChildContent("software|softwareDevCountryCode","HU");
    xml.UpdateChildContent("software|softwareDevTaxNumber","string");
    xml.UpdateChildContent("exchangeToken",exchangeToken);
    xml.UpdateChildContent("annulmentOperations|annulmentOperation|index","1");
    xml.UpdateChildContent("annulmentOperations|annulmentOperation|annulmentOperation",invoiceOperation);
    xml.UpdateChildContent("annulmentOperations|annulmentOperation|invoiceAnnulment",invoiceData);

    // POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageAnnulment
    var http = new chilkat.Http();
    http.Accept = "application/xml";
    http.SetRequestHeader("Content-Type","application/xml");
    var endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageAnnulment";
    // resp: HttpResponse
    var resp = http.PostXml(endpoint,xml.GetXml(),"utf-8");
    if (http.LastMethodSuccess == false) {
        console.log(http.LastErrorText);
        return;
    }

    console.log("Response status code = " + resp.StatusCode);

    var respXml = new chilkat.Xml();
    respXml.LoadXml(resp.BodyStr);
    console.log("Response body:");
    console.log(respXml.GetXml());

    // The result looks like this:

    // <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    // <ManageAnnulmentResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
    //     <header>
    //         <requestId>RID465317110495</requestId>
    //         <timestamp>2020-03-25T15:08:40Z</timestamp>
    //         <requestVersion>2.0</requestVersion>
    //         <headerVersion>1.0</headerVersion>
    //     </header>
    //     <result>
    //         <funcCode>OK</funcCode>
    //     </result>
    //     <software>
    //         <softwareId>123456789123456789</softwareId>
    //         <softwareName>string</softwareName>
    //         <softwareOperation>LOCAL_SOFTWARE</softwareOperation>
    //         <softwareMainVersion>string</softwareMainVersion>
    //         <softwareDevName>string</softwareDevName>
    //         <softwareDevContact>string</softwareDevContact>
    //         <softwareDevCountryCode>HU</softwareDevCountryCode>
    //         <softwareDevTaxNumber>string</softwareDevTaxNumber>
    //     </software>
    //     <transactionId>2WT6XG9LQ0U9VQNA</transactionId>
    // </ManageAnnulmentResponse>

    // Use this online tool to generate parsing code from sample XML: 
    // Generate Parsing Code from XML

    var ManageAnnulmentResponse_xmlns = respXml.GetAttrValue("xmlns");
    var ManageAnnulmentResponse_xmlns_ns2 = respXml.GetAttrValue("xmlns:ns2");
    var requestId = respXml.GetChildContent("header|requestId");
    var timestamp = respXml.GetChildContent("header|timestamp");
    var requestVersion = respXml.GetChildContent("header|requestVersion");
    var headerVersion = respXml.GetChildContent("header|headerVersion");
    var funcCode = respXml.GetChildContent("result|funcCode");
    var softwareId = respXml.GetChildContent("software|softwareId");
    var softwareName = respXml.GetChildContent("software|softwareName");
    var softwareOperation = respXml.GetChildContent("software|softwareOperation");
    var softwareMainVersion = respXml.GetChildContent("software|softwareMainVersion");
    var softwareDevName = respXml.GetChildContent("software|softwareDevName");
    var softwareDevContact = respXml.GetChildContent("software|softwareDevContact");
    var softwareDevCountryCode = respXml.GetChildContent("software|softwareDevCountryCode");
    var softwareDevTaxNumber = respXml.GetChildContent("software|softwareDevTaxNumber");
    var transactionId = respXml.GetChildContent("transactionId");

}

chilkatExample();