VB.NET
VB.NET
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 VB.NET Downloads
Dim success As Boolean = False
' 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>
Dim crypt As New Chilkat.Crypt2
Dim dtNow As New Chilkat.CkDateTime
dtNow.SetFromCurrentSystemTime()
Debug.WriteLine(dtNow.GetAsTimestamp(False))
' The hash algorithm for the password is SHA512 (not SHA3-512).
crypt.HashAlgorithm = "sha512"
crypt.EncodingMode = "hex"
Dim myPassword As String = "my-password"
Dim passwordHash As String = crypt.HashStringENC(myPassword)
' Generate a random request ID like "RID215118906689"
Dim prng As New Chilkat.Prng
Dim sbRequestId As New Chilkat.StringBuilder
sbRequestId.Append("RID")
sbRequestId.Append(prng.RandomString(12,True,False,False))
Debug.WriteLine("generated requestId = " & sbRequestId.GetAsString())
' Calculate the requestSignature
crypt.HashAlgorithm = "sha3-512"
Dim signatureKey As String = "ce-8f5e-215119fa7dd621DLMRHRLH2S"
Dim sbFinalHashBase As New Chilkat.StringBuilder
' First append the timestamp because we are going to remove certain chars/parts.
sbFinalHashBase.Append(dtNow.GetAsTimestamp(False))
Dim numReplaced As Integer = 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)
Dim requestSignature As String = crypt.HashStringENC(sbFinalHashBase.GetAsString())
Dim xml As New Chilkat.Xml
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
Dim http As New Chilkat.Http
http.Accept = "application/xml"
Dim endpoint As String = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer"
Dim resp As New Chilkat.HttpResponse
success = http.HttpStr("POST",endpoint,xml.GetXml(),"utf-8","application/xml",resp)
If (success = False) Then
Debug.WriteLine(http.LastErrorText)
Exit Sub
End If
Debug.WriteLine("Response status code = " & resp.StatusCode)
Dim respXml As New Chilkat.Xml
respXml.LoadXml(resp.BodyStr)
Debug.WriteLine("Response body:")
Debug.WriteLine(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
Dim QueryTaxpayerResponse_xmlns As String = respXml.GetAttrValue("xmlns")
Dim QueryTaxpayerResponse_xmlns_ns2 As String = respXml.GetAttrValue("xmlns:ns2")
Dim requestId As String = respXml.GetChildContent("header|requestId")
Dim timestamp As String = respXml.GetChildContent("header|timestamp")
Dim requestVersion As String = respXml.GetChildContent("header|requestVersion")
Dim headerVersion As String = respXml.GetChildContent("header|headerVersion")
Dim funcCode As String = respXml.GetChildContent("result|funcCode")
Dim softwareId As String = respXml.GetChildContent("software|softwareId")
Dim softwareName As String = respXml.GetChildContent("software|softwareName")
Dim softwareOperation As String = respXml.GetChildContent("software|softwareOperation")
Dim softwareMainVersion As String = respXml.GetChildContent("software|softwareMainVersion")
Dim softwareDevName As String = respXml.GetChildContent("software|softwareDevName")
Dim softwareDevContact As String = respXml.GetChildContent("software|softwareDevContact")
Dim softwareDevCountryCode As String = respXml.GetChildContent("software|softwareDevCountryCode")
Dim softwareDevTaxNumber As String = respXml.GetChildContent("software|softwareDevTaxNumber")
Dim infoDate As String = respXml.GetChildContent("infoDate")
Dim taxpayerValidity As String = respXml.GetChildContent("taxpayerValidity")
Dim taxpayerName As String = respXml.GetChildContent("taxpayerData|taxpayerName")
Dim ns2_taxpayerId As Integer = respXml.GetChildIntValue("taxpayerData|taxNumberDetail|ns2:taxpayerId")
Dim ns2_vatCode As Integer = respXml.GetChildIntValue("taxpayerData|taxNumberDetail|ns2:vatCode")
Dim taxpayerAddressType As String = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddressType")
Dim ns2_countryCode As String = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:countryCode")
Dim ns2_postalCode As Integer = respXml.GetChildIntValue("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:postalCode")
Dim ns2_city As String = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:city")
Dim ns2_streetName As String = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:streetName")
Dim ns2_publicPlaceCategory As String = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:publicPlaceCategory")
Dim ns2_number As Integer = respXml.GetChildIntValue("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:number")