VB.NET
VB.NET
Hungary NAV Token Exchange
See more Hungary NAV Invoicing Examples
Demonstrates the tokenExchange 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:
' Use this online tool to generate code from sample XML:
' Generate Code to Create XML
' <?xml version="1.0" encoding="UTF-8"?>
' <TokenExchangeRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
' <header>
' <requestId>RID896801578348</requestId>
' <timestamp>2019-09-11T10:55:31.440Z</timestamp>
' <requestVersion>2.0</requestVersion>
' <headerVersion>1.0</headerVersion>
' </header>
' <user>
' <login>lwilsmn0uqdxe6u</login>
' <passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
' <taxNumber>11111111</taxNumber>
' <requestSignature>B4B5E0F197BFFD3DF69BCC98D3BE775F65FD5445EEF95C9D6B6C59425F2B81C4F6DA1FD563B0C7E7D98AF1E1725E5C63C2803B5D3A93D1C02ED354AC92F2CC94</requestSignature>
' <!--<signKey>ac-ac3a-7f661bff7d342N43CYX4U9FG</signKey>-->
' </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>
' </TokenExchangeRequest>
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 = "TokenExchangeRequest"
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")
' POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange
Dim http As New Chilkat.Http
http.Accept = "application/xml"
Dim endpoint As String = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange"
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())
' Save our exchange token to a file to be used for subsequent requests.
respXml.SaveXml("qa_data/tokens/nav_exchange_token.xml")
' The result looks like this:
' <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
' <TokenExchangeResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
' <header>
' <requestId>RID789246611489</requestId>
' <timestamp>2020-03-25T14:14:36Z</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>
' <encodedExchangeToken>2lR5v57Tl ... 9n4tIWCYgjKQ==</encodedExchangeToken>
' <tokenValidityFrom>2020-03-25T15:14:36.987+01:00</tokenValidityFrom>
' <tokenValidityTo>2020-03-25T15:19:36.987+01:00</tokenValidityTo>
' </TokenExchangeResponse>
' Use this online tool to generate parsing code from sample XML:
' Generate Parsing Code from XML
Dim TokenExchangeResponse_xmlns As String = respXml.GetAttrValue("xmlns")
Dim TokenExchangeResponse_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 encodedExchangeToken As String = respXml.GetChildContent("encodedExchangeToken")
Dim tokenValidityFrom As String = respXml.GetChildContent("tokenValidityFrom")
Dim tokenValidityTo As String = respXml.GetChildContent("tokenValidityTo")