Sample code for 30+ languages & platforms
JavaScript

Hungary NAV Manage Annulment Request

See more Hungary NAV Invoicing Examples

Demonstrates the manageAnnulment request for the Hungarian NAV Online Invoicing System REST API v2.0.
Note
This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.
JavaScript 
var success = false;

// 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 crypt = new CkCrypt2();

var dtNow = new 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 CkPrng();
var sbRequestId = new CkStringBuilder();
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 CkStringBuilder();

// 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 CkStringBuilder();
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 CkXml();
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 CkBinData();
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 CkXml();
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 CkHttp();
http.Accept = "application/xml";
var endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageAnnulment";
var resp = new CkHttpResponse();
success = http.HttpStr("POST",endpoint,xml.GetXml(),"utf-8","application/xml",resp);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

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

var respXml = new CkXml();
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");