Delphi ActiveX Requires Chilkat v11.0.0+
Delphi ActiveX
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 Delphi ActiveX Downloads
var
success: Integer;
crypt: TChilkatCrypt2;
dtNow: TCkDateTime;
myPassword: WideString;
passwordHash: WideString;
prng: TChilkatPrng;
sbRequestId: TChilkatStringBuilder;
signatureKey: WideString;
sbFinalHashBase: TChilkatStringBuilder;
numReplaced: Integer;
requestSignature: WideString;
xml: TChilkatXml;
http: TChilkatHttp;
endpoint: WideString;
resp: TChilkatHttpResponse;
respXml: TChilkatXml;
QueryTaxpayerResponse_xmlns: WideString;
QueryTaxpayerResponse_xmlns_ns2: WideString;
requestId: WideString;
timestamp: WideString;
requestVersion: WideString;
headerVersion: WideString;
funcCode: WideString;
softwareId: WideString;
softwareName: WideString;
softwareOperation: WideString;
softwareMainVersion: WideString;
softwareDevName: WideString;
softwareDevContact: WideString;
softwareDevCountryCode: WideString;
softwareDevTaxNumber: WideString;
infoDate: WideString;
taxpayerValidity: WideString;
taxpayerName: WideString;
ns2_taxpayerId: Integer;
ns2_vatCode: Integer;
taxpayerAddressType: WideString;
ns2_countryCode: WideString;
ns2_postalCode: Integer;
ns2_city: WideString;
ns2_streetName: WideString;
ns2_publicPlaceCategory: WideString;
ns2_number: Integer;
begin
success := 0;
// 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>
crypt := TChilkatCrypt2.Create(Self);
dtNow := TCkDateTime.Create(Self);
dtNow.SetFromCurrentSystemTime();
Memo1.Lines.Add(dtNow.GetAsTimestamp(0));
// The hash algorithm for the password is SHA512 (not SHA3-512).
crypt.HashAlgorithm := 'sha512';
crypt.EncodingMode := 'hex';
myPassword := 'my-password';
passwordHash := crypt.HashStringENC(myPassword);
// Generate a random request ID like "RID215118906689"
prng := TChilkatPrng.Create(Self);
sbRequestId := TChilkatStringBuilder.Create(Self);
sbRequestId.Append('RID');
sbRequestId.Append(prng.RandomString(12,1,0,0));
Memo1.Lines.Add('generated requestId = ' + sbRequestId.GetAsString());
// Calculate the requestSignature
crypt.HashAlgorithm := 'sha3-512';
signatureKey := 'ce-8f5e-215119fa7dd621DLMRHRLH2S';
sbFinalHashBase := TChilkatStringBuilder.Create(Self);
// First append the timestamp because we are going to remove certain chars/parts.
sbFinalHashBase.Append(dtNow.GetAsTimestamp(0));
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);
requestSignature := crypt.HashStringENC(sbFinalHashBase.GetAsString());
xml := TChilkatXml.Create(Self);
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(0));
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
http := TChilkatHttp.Create(Self);
http.Accept := 'application/xml';
endpoint := 'https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer';
resp := TChilkatHttpResponse.Create(Self);
success := http.HttpStr('POST',endpoint,xml.GetXml(),'utf-8','application/xml',resp.ControlInterface);
if (success = 0) then
begin
Memo1.Lines.Add(http.LastErrorText);
Exit;
end;
Memo1.Lines.Add('Response status code = ' + IntToStr(resp.StatusCode));
respXml := TChilkatXml.Create(Self);
respXml.LoadXml(resp.BodyStr);
Memo1.Lines.Add('Response body:');
Memo1.Lines.Add(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
QueryTaxpayerResponse_xmlns := respXml.GetAttrValue('xmlns');
QueryTaxpayerResponse_xmlns_ns2 := respXml.GetAttrValue('xmlns:ns2');
requestId := respXml.GetChildContent('header|requestId');
timestamp := respXml.GetChildContent('header|timestamp');
requestVersion := respXml.GetChildContent('header|requestVersion');
headerVersion := respXml.GetChildContent('header|headerVersion');
funcCode := respXml.GetChildContent('result|funcCode');
softwareId := respXml.GetChildContent('software|softwareId');
softwareName := respXml.GetChildContent('software|softwareName');
softwareOperation := respXml.GetChildContent('software|softwareOperation');
softwareMainVersion := respXml.GetChildContent('software|softwareMainVersion');
softwareDevName := respXml.GetChildContent('software|softwareDevName');
softwareDevContact := respXml.GetChildContent('software|softwareDevContact');
softwareDevCountryCode := respXml.GetChildContent('software|softwareDevCountryCode');
softwareDevTaxNumber := respXml.GetChildContent('software|softwareDevTaxNumber');
infoDate := respXml.GetChildContent('infoDate');
taxpayerValidity := respXml.GetChildContent('taxpayerValidity');
taxpayerName := respXml.GetChildContent('taxpayerData|taxpayerName');
ns2_taxpayerId := respXml.GetChildIntValue('taxpayerData|taxNumberDetail|ns2:taxpayerId');
ns2_vatCode := respXml.GetChildIntValue('taxpayerData|taxNumberDetail|ns2:vatCode');
taxpayerAddressType := respXml.GetChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddressType');
ns2_countryCode := respXml.GetChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:countryCode');
ns2_postalCode := respXml.GetChildIntValue('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:postalCode');
ns2_city := respXml.GetChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:city');
ns2_streetName := respXml.GetChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:streetName');
ns2_publicPlaceCategory := respXml.GetChildContent('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:publicPlaceCategory');
ns2_number := respXml.GetChildIntValue('taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:number');