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Classic ASP Requires Chilkat v11.0.0+

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.

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Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

'  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>

set crypt = Server.CreateObject("Chilkat.Crypt2")

set dtNow = Server.CreateObject("Chilkat.CkDateTime")
success = dtNow.SetFromCurrentSystemTime()
Response.Write "<pre>" & Server.HTMLEncode( dtNow.GetAsTimestamp(0)) & "</pre>"

'  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"
set prng = Server.CreateObject("Chilkat.Prng")
set sbRequestId = Server.CreateObject("Chilkat.StringBuilder")
success = sbRequestId.Append("RID")
success = sbRequestId.Append(prng.RandomString(12,1,0,0))
Response.Write "<pre>" & Server.HTMLEncode( "generated requestId = " & sbRequestId.GetAsString()) & "</pre>"

'  Calculate the requestSignature
crypt.HashAlgorithm = "sha3-512"
signatureKey = "ce-8f5e-215119fa7dd621DLMRHRLH2S"

set sbFinalHashBase = Server.CreateObject("Chilkat.StringBuilder")

'  First append the timestamp because we are going to remove certain chars/parts.
success = 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
success = sbFinalHashBase.Prepend(sbRequestId.GetAsString())
success = sbFinalHashBase.Append(signatureKey)

requestSignature = crypt.HashStringENC(sbFinalHashBase.GetAsString())

set xml = Server.CreateObject("Chilkat.Xml")
xml.Tag = "TokenExchangeRequest"
success = 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"

'  POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange
set http = Server.CreateObject("Chilkat.Http")
http.Accept = "application/xml"
endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange"
set resp = Server.CreateObject("Chilkat.HttpResponse")
success = http.HttpStr("POST",endpoint,xml.GetXml(),"utf-8","application/xml",resp)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "Response status code = " & resp.StatusCode) & "</pre>"

set respXml = Server.CreateObject("Chilkat.Xml")
success = respXml.LoadXml(resp.BodyStr)
Response.Write "<pre>" & Server.HTMLEncode( "Response body:") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( respXml.GetXml()) & "</pre>"

'  Save our exchange token to a file to be used for subsequent requests.
success = 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

TokenExchangeResponse_xmlns = respXml.GetAttrValue("xmlns")
TokenExchangeResponse_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")
encodedExchangeToken = respXml.GetChildContent("encodedExchangeToken")
tokenValidityFrom = respXml.GetChildContent("tokenValidityFrom")
tokenValidityTo = respXml.GetChildContent("tokenValidityTo")

%>
</body>
</html>