B4X Requires Chilkat v11.0.0+
B4X
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 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:
' 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 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 = "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 ChilkatHttp
http.Initialize("http")
http.Accept = "application/xml"
Dim endpoint As String = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange"
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)
' 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")