Dart Requires Chilkat v11.0.0+
Dart
Hungary NAV Query Taxpayer
See more Hungary NAV Invoicing Examples
Demonstrates the queryTaxpayer request for the Hungarian NAV Online Invoicing System REST API v2.0.Chilkat Dart Downloads
import 'package:chilkat/chilkat.dart';
void main() {
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Build the following XML:
// <?xml version="1.0" encoding="UTF-8"?>
// <QueryTaxpayerRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
// <header>
// <requestId>RID215118906689</requestId>
// <timestamp>2019-09-11T11:11:08.579Z</timestamp>
// <requestVersion>2.0</requestVersion>
// <headerVersion>1.0</headerVersion>
// </header>
// <user>
// <login>lwilsmn0uqdxe6u</login>
// <passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
// <taxNumber>11111111</taxNumber>
// <requestSignature>C5ADE8A2231C509D2887E6C2C4406CC5F72CA25B070AD3E94FADFA3F91A8A3667AF882DEDC7D67E9086E3D34A95886E929ACD8C924CD1E8357C89BEF43BA9126</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>
// <taxNumber>22222222</taxNumber>
// </QueryTaxpayerRequest>
final crypt = CkCrypt2();
final dtNow = CkDateTime();
dtNow.setFromCurrentSystemTime();
print(dtNow.getAsTimestamp(false));
// The hash algorithm for the password is SHA512 (not SHA3-512).
crypt.hashAlgorithm = 'sha512';
crypt.encodingMode = 'hex';
final myPassword = 'my-password';
final passwordHash = crypt.hashStringENC(myPassword);
// Generate a random request ID like "RID215118906689"
final prng = CkPrng();
final sbRequestId = CkStringBuilder();
sbRequestId.append('RID');
sbRequestId.append(prng.randomString(12, true, false, false));
print('generated requestId = ${sbRequestId.getAsString()}');
// Calculate the requestSignature
crypt.hashAlgorithm = 'sha3-512';
final signatureKey = 'ce-8f5e-215119fa7dd621DLMRHRLH2S';
final sbFinalHashBase = 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);
final requestSignature = crypt.hashStringENC(sbFinalHashBase.getAsString());
final xml = CkXml();
xml.tag = 'QueryTaxpayerRequest';
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('taxNumber', '22222222');
// POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer
final http = CkHttp();
http.accept = 'application/xml';
final endpoint = 'https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer';
final resp = CkHttpResponse();
try {
http.httpStr('POST', endpoint, xml.getXml(), 'utf-8', 'application/xml', resp);
} on ChilkatException catch (e) {
print(e.lastErrorText);
return;
}
print('Response status code = ${resp.statusCode}');
final respXml = CkXml();
respXml.loadXml(resp.bodyStr);
print('Response body:');
print(respXml.getXml());
// The result looks like this:
// <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
// <QueryTaxpayerResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
// <header>
// <requestId>RID847153193061</requestId>
// <timestamp>2020-03-24T16:00:34Z</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>
// <infoDate>1993-01-01T00:00:00.000+01:00</infoDate>
// <taxpayerValidity>true</taxpayerValidity>
// <taxpayerData>
// <taxpayerName>some taxpayer name</taxpayerName>
// <taxNumberDetail>
// <ns2:taxpayerId>22222222</ns2:taxpayerId>
// <ns2:vatCode>2</ns2:vatCode>
// </taxNumberDetail>
// <taxpayerAddressList>
// <taxpayerAddressItem>
// <taxpayerAddressType>HQ</taxpayerAddressType>
// <taxpayerAddress>
// <ns2:countryCode>HU</ns2:countryCode>
// <ns2:postalCode>1121</ns2:postalCode>
// <ns2:city>BUDAPEST 12</ns2:city>
// <ns2:streetName>ABCD</ns2:streetName>
// <ns2:publicPlaceCategory>UTCA</ns2:publicPlaceCategory>
// <ns2:number>20</ns2:number>
// </taxpayerAddress>
// </taxpayerAddressItem>
// </taxpayerAddressList>
// </taxpayerData>
// </QueryTaxpayerResponse>
// Use this online tool to generate parsing code from sample XML:
// Generate Parsing Code from XML
final queryTaxpayerResponseXmlns = respXml.getAttrValue('xmlns');
final queryTaxpayerResponseXmlnsNs2 = respXml.getAttrValue('xmlns:ns2');
final requestId = respXml.getChildContent('header|requestId');
final timestamp = respXml.getChildContent('header|timestamp');
final requestVersion = respXml.getChildContent('header|requestVersion');
final headerVersion = respXml.getChildContent('header|headerVersion');
final funcCode = respXml.getChildContent('result|funcCode');
final softwareId = respXml.getChildContent('software|softwareId');
final softwareName = respXml.getChildContent('software|softwareName');
final softwareOperation = respXml.getChildContent('software|softwareOperation');
final softwareMainVersion = respXml.getChildContent('software|softwareMainVersion');
final softwareDevName = respXml.getChildContent('software|softwareDevName');
final softwareDevContact = respXml.getChildContent('software|softwareDevContact');
final softwareDevCountryCode = respXml.getChildContent('software|softwareDevCountryCode');
final softwareDevTaxNumber = respXml.getChildContent('software|softwareDevTaxNumber');
final infoDate = respXml.getChildContent('infoDate');
final taxpayerValidity = respXml.getChildContent('taxpayerValidity');
final taxpayerName = respXml.getChildContent('taxpayerData|taxpayerName');
final ns2TaxpayerId = respXml.getChildIntValue('taxpayerData|taxNumberDetail|ns2:taxpayerId');
final ns2VatCode = respXml.getChildIntValue('taxpayerData|taxNumberDetail|ns2:vatCode');
final taxpayerAddressType = respXml.getChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddressType');
final ns2CountryCode = respXml.getChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:countryCode');
final ns2PostalCode = respXml.getChildIntValue('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:postalCode');
final ns2City = respXml.getChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:city');
final ns2StreetName = respXml.getChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:streetName');
final ns2PublicPlaceCategory = respXml.getChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:publicPlaceCategory');
final ns2Number = respXml.getChildIntValue('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:number');
}