(PowerBuilder) Hungary NAV Token Exchange

Demonstrates the tokenExchange request for the Hungarian NAV Online Invoicing System REST API v2.0.

Note: This example requires Chilkat v9.5.0.83 or greater.

For more information, see https://onlineszamla.nav.gov.hu/api/files/container/download/Online%20Szamla_Interfesz%20specifik%C3%A1ci%C3%B3_EN_v2.0.pdf

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
integer li_Success
oleobject loo_Crypt
oleobject loo_DtNow
string ls_MyPassword
string ls_PasswordHash
oleobject loo_Prng
oleobject loo_SbRequestId
string ls_SignatureKey
oleobject loo_SbFinalHashBase
integer li_NumReplaced
string ls_RequestSignature
oleobject loo_Xml
oleobject loo_Http
string ls_Endpoint
oleobject loo_Resp
oleobject loo_RespXml
string ls_TokenExchangeResponse_xmlns
string ls_TokenExchangeResponse_xmlns_ns2
string ls_RequestId
string ls_Timestamp
string ls_RequestVersion
string ls_HeaderVersion
string ls_FuncCode
string ls_SoftwareId
string ls_SoftwareName
string ls_SoftwareOperation
string ls_SoftwareMainVersion
string ls_SoftwareDevName
string ls_SoftwareDevContact
string ls_SoftwareDevCountryCode
string ls_SoftwareDevTaxNumber
string ls_EncodedExchangeToken
string ls_TokenValidityFrom
string ls_TokenValidityTo

// 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>

loo_Crypt = create oleobject
// Use "Chilkat_9_5_0.Crypt2" for versions of Chilkat < 10.0.0
li_rc = loo_Crypt.ConnectToNewObject("Chilkat.Crypt2")
if li_rc < 0 then
    destroy loo_Crypt
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_DtNow = create oleobject
// Use "Chilkat_9_5_0.CkDateTime" for versions of Chilkat < 10.0.0
li_rc = loo_DtNow.ConnectToNewObject("Chilkat.CkDateTime")

loo_DtNow.SetFromCurrentSystemTime()
Write-Debug loo_DtNow.GetAsTimestamp(0)

// The hash algorithm for the password is SHA512 (not SHA3-512).
loo_Crypt.HashAlgorithm = "sha512"
loo_Crypt.EncodingMode = "hex"
ls_MyPassword = "my-password"
ls_PasswordHash = loo_Crypt.HashStringENC(ls_MyPassword)

// Generate a random request ID like "RID215118906689"
loo_Prng = create oleobject
// Use "Chilkat_9_5_0.Prng" for versions of Chilkat < 10.0.0
li_rc = loo_Prng.ConnectToNewObject("Chilkat.Prng")

loo_SbRequestId = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbRequestId.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbRequestId.Append("RID")
loo_SbRequestId.Append(loo_Prng.RandomString(12,1,0,0))
Write-Debug "generated requestId = " + loo_SbRequestId.GetAsString()

// IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
// IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
// IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
// IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
// IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
// Calculate the requestSignature
loo_Crypt.HashAlgorithm = "sha3-512"
ls_SignatureKey = "ce-8f5e-215119fa7dd621DLMRHRLH2S"

loo_SbFinalHashBase = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbFinalHashBase.ConnectToNewObject("Chilkat.StringBuilder")

// First append the timestamp because we are going to remove certain chars/parts.
loo_SbFinalHashBase.Append(loo_DtNow.GetAsTimestamp(0))
li_NumReplaced = loo_SbFinalHashBase.Replace("Z","")
li_NumReplaced = loo_SbFinalHashBase.Replace("-","")
li_NumReplaced = loo_SbFinalHashBase.Replace(":","")
li_NumReplaced = loo_SbFinalHashBase.Replace("T","")

// Prepend the requestId and append the signatureKey
loo_SbFinalHashBase.Prepend(loo_SbRequestId.GetAsString())
loo_SbFinalHashBase.Append(ls_SignatureKey)

ls_RequestSignature = loo_Crypt.HashStringENC(loo_SbFinalHashBase.GetAsString())

loo_Xml = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_Xml.ConnectToNewObject("Chilkat.Xml")

loo_Xml.Tag = "TokenExchangeRequest"
loo_Xml.AddAttribute("xmlns","http://schemas.nav.gov.hu/OSA/2.0/api")
loo_Xml.UpdateChildContent("header|requestId",loo_SbRequestId.GetAsString())
loo_Xml.UpdateChildContent("header|timestamp",loo_DtNow.GetAsTimestamp(0))
loo_Xml.UpdateChildContent("header|requestVersion","2.0")
loo_Xml.UpdateChildContent("header|headerVersion","1.0")
loo_Xml.UpdateChildContent("user|login","lwilsmn0uqdxe6u")
loo_Xml.UpdateChildContent("user|passwordHash",ls_PasswordHash)
loo_Xml.UpdateChildContent("user|taxNumber","11111111")
loo_Xml.UpdateChildContent("user|requestSignature",ls_RequestSignature)
loo_Xml.UpdateChildContent("software|softwareId","123456789123456789")
loo_Xml.UpdateChildContent("software|softwareName","string")
loo_Xml.UpdateChildContent("software|softwareOperation","LOCAL_SOFTWARE")
loo_Xml.UpdateChildContent("software|softwareMainVersion","string")
loo_Xml.UpdateChildContent("software|softwareDevName","string")
loo_Xml.UpdateChildContent("software|softwareDevContact","string")
loo_Xml.UpdateChildContent("software|softwareDevCountryCode","HU")
loo_Xml.UpdateChildContent("software|softwareDevTaxNumber","string")

// POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange
loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")

loo_Http.Accept = "application/xml"
loo_Http.SetRequestHeader("Content-Type","application/xml")
ls_Endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange"
loo_Resp = loo_Http.PostXml(ls_Endpoint,loo_Xml.GetXml(),"utf-8")
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Crypt
    destroy loo_DtNow
    destroy loo_Prng
    destroy loo_SbRequestId
    destroy loo_SbFinalHashBase
    destroy loo_Xml
    destroy loo_Http
    return
end if

Write-Debug "Response status code = " + string(loo_Resp.StatusCode)

loo_RespXml = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_RespXml.ConnectToNewObject("Chilkat.Xml")

loo_RespXml.LoadXml(loo_Resp.BodyStr)
Write-Debug "Response body:"
Write-Debug loo_RespXml.GetXml()

// Save our exchange token to a file to be used for subsequent requests.
loo_RespXml.SaveXml("qa_data/tokens/nav_exchange_token.xml")

destroy loo_Resp

// 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

ls_TokenExchangeResponse_xmlns = loo_RespXml.GetAttrValue("xmlns")
ls_TokenExchangeResponse_xmlns_ns2 = loo_RespXml.GetAttrValue("xmlns:ns2")
ls_RequestId = loo_RespXml.GetChildContent("header|requestId")
ls_Timestamp = loo_RespXml.GetChildContent("header|timestamp")
ls_RequestVersion = loo_RespXml.GetChildContent("header|requestVersion")
ls_HeaderVersion = loo_RespXml.GetChildContent("header|headerVersion")
ls_FuncCode = loo_RespXml.GetChildContent("result|funcCode")
ls_SoftwareId = loo_RespXml.GetChildContent("software|softwareId")
ls_SoftwareName = loo_RespXml.GetChildContent("software|softwareName")
ls_SoftwareOperation = loo_RespXml.GetChildContent("software|softwareOperation")
ls_SoftwareMainVersion = loo_RespXml.GetChildContent("software|softwareMainVersion")
ls_SoftwareDevName = loo_RespXml.GetChildContent("software|softwareDevName")
ls_SoftwareDevContact = loo_RespXml.GetChildContent("software|softwareDevContact")
ls_SoftwareDevCountryCode = loo_RespXml.GetChildContent("software|softwareDevCountryCode")
ls_SoftwareDevTaxNumber = loo_RespXml.GetChildContent("software|softwareDevTaxNumber")
ls_EncodedExchangeToken = loo_RespXml.GetChildContent("encodedExchangeToken")
ls_TokenValidityFrom = loo_RespXml.GetChildContent("tokenValidityFrom")
ls_TokenValidityTo = loo_RespXml.GetChildContent("tokenValidityTo")


destroy loo_Crypt
destroy loo_DtNow
destroy loo_Prng
destroy loo_SbRequestId
destroy loo_SbFinalHashBase
destroy loo_Xml
destroy loo_Http
destroy loo_RespXml