B4X Requires Chilkat v11.0.0+
B4X
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 B4X 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 ChilkatCrypt2
crypt.Initialize("crypt")
Dim dtNow As ChilkatDateTime
dtNow.Initialize
dtNow.SetFromCurrentSystemTime
Log(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 ChilkatPrng
prng.Initialize
Dim sbRequestId As ChilkatStringBuilder
sbRequestId.Initialize
sbRequestId.Append("RID")
sbRequestId.Append(prng.RandomString(12, True, False, False))
Log("generated requestId = " & sbRequestId.GetAsString)
' Calculate the requestSignature
crypt.HashAlgorithm = "sha3-512"
Dim signatureKey As String = "ce-8f5e-215119fa7dd621DLMRHRLH2S"
Dim sbFinalHashBase As ChilkatStringBuilder
sbFinalHashBase.Initialize
' First append the timestamp because we are going to remove certain chars/parts.
sbFinalHashBase.Append(dtNow.GetAsTimestamp(False))
Dim numReplaced As Int = 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 ChilkatXml
xml.Initialize
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 ChilkatHttp
http.Initialize("http")
http.Accept = "application/xml"
Dim endpoint As String = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer"
Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpStr("POST", endpoint, xml.GetXml, "utf-8", "application/xml", resp)
If success = False Then
Log(http.LastErrorText)
Return
End If
Log("Response status code = " & resp.StatusCode)
Dim respXml As ChilkatXml
respXml.Initialize
respXml.LoadXml(resp.BodyStr)
Log("Response body:")
Log(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 Int = respXml.GetChildIntValue("taxpayerData|taxNumberDetail|ns2:taxpayerId")
Dim ns2_vatCode As Int = 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 Int = 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 Int = respXml.GetChildIntValue("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:number")