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(Lianja) Hungary NAV Manage Invoice Request

Demonstrates the manageInvoice 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 Lianja Extension Download

Chilkat Lianja Extension

// 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"?>
// <ManageInvoiceRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
// 	<header>
// 		<requestId>RID181837288942</requestId>
// 		<timestamp>2019-09-11T12:44:55.442Z</timestamp>
// 		<requestVersion>2.0</requestVersion>
// 		<headerVersion>1.0</headerVersion>
// 	</header>
// 	<user>
// 		<login>lwilsmn0uqdxe6u</login>
// 		<passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
// 		<taxNumber>11111111</taxNumber>
// 		<requestSignature>E4D191A48EE8828A1E84C1F841A2B4E1699ECB49C4CDA1DC7A057765FD935872219644CC2B5A93B8A344404E4FD8ECA4902B5DBCF993E768DC558B0F0281E775</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>
// 	<exchangeToken>b1aca173-d9e8-4561-9237-0511eed99eaa2P0ZHLXBRI2U</exchangeToken>
// 	<invoiceOperations>
// 		<compressedContent>false</compressedContent>
// 		<invoiceOperation>
// 			<index>1</index>
// 			<invoiceOperation>CREATE</invoiceOperation>
// 			<invoiceData>base64 contents of invoiceData1 XML file</invoiceData>
// 		</invoiceOperation>
// 		<invoiceOperation>
// 			<index>2</index>
// 			<invoiceOperation>CREATE</invoiceOperation>
// 			<invoiceData>base64 contents of invoiceData2 XML file</invoiceData>
// 		</invoiceOperation>
// 		<invoiceOperation>
// 			<index>3</index>
// 			<invoiceOperation>CREATE</invoiceOperation>
// 			<invoiceData>base64 contents of invoiceData3 XML file</invoiceData>
// 		</invoiceOperation>
// 	</invoiceOperations>
// </ManageInvoiceRequest>
// 

// First load the invoiceData for the 3 XML invoice files we'll be sending.
loBdInvoiceData1 = createobject("CkBinData")
loBdInvoiceData2 = createobject("CkBinData")
loBdInvoiceData3 = createobject("CkBinData")
llSuccess = loBdInvoiceData1.LoadFile("qa_data/nav_invoicing/invoiceData1.xml")
llSuccess = loBdInvoiceData2.LoadFile("qa_data/nav_invoicing/invoiceData2.xml")
llSuccess = loBdInvoiceData3.LoadFile("qa_data/nav_invoicing/invoiceData3.xml")
if (llSuccess = .F.) then
    ? "Failed to load invoice data."
    release loBdInvoiceData1
    release loBdInvoiceData2
    release loBdInvoiceData3
    return
endif

loCrypt = createobject("CkCrypt2")

loDtNow = createobject("CkDateTime")
loDtNow.SetFromCurrentSystemTime()
? loDtNow.GetAsTimestamp(.F.)

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

// Generate a random request ID like "RID215118906689"
loPrng = createobject("CkPrng")
loSbRequestId = createobject("CkStringBuilder")
loSbRequestId.Append("RID")
loSbRequestId.Append(loPrng.RandomString(12,.T.,.F.,.F.))
? "generated requestId = " + loSbRequestId.GetAsString()

// Calculate the requestSignature
loCrypt.HashAlgorithm = "sha3-512"
lcSignatureKey = "ce-8f5e-215119fa7dd621DLMRHRLH2S"

loSbFinalHashBase = createobject("CkStringBuilder")

// First append the timestamp because we are going to remove certain chars/parts.
loSbFinalHashBase.Append(loDtNow.GetAsTimestamp(.F.))
lnNumReplaced = loSbFinalHashBase.Replace("Z","")
lnNumReplaced = loSbFinalHashBase.Replace("-","")
lnNumReplaced = loSbFinalHashBase.Replace(":","")
lnNumReplaced = loSbFinalHashBase.Replace("T","")

// Prepend the requestId and append the signatureKey
loSbFinalHashBase.Prepend(loSbRequestId.GetAsString())
loSbFinalHashBase.Append(lcSignatureKey)

// Calculate each index hash and add it to the sbFinalHashBase
loSbHashBase = createobject("CkStringBuilder")
loSbHashBase.Append("CREATE")
loSbHashBase.Append(loBdInvoiceData1.GetEncoded("base64"))
lcIndexHash = loCrypt.HashStringENC(loSbHashBase.GetAsString())
loSbFinalHashBase.Append(lcIndexHash)

loSbHashBase.Clear()
loSbHashBase.Append("CREATE")
loSbHashBase.Append(loBdInvoiceData2.GetEncoded("base64"))
lcIndexHash = loCrypt.HashStringENC(loSbHashBase.GetAsString())
loSbFinalHashBase.Append(lcIndexHash)

loSbHashBase.Clear()
loSbHashBase.Append("CREATE")
loSbHashBase.Append(loBdInvoiceData3.GetEncoded("base64"))
lcIndexHash = loCrypt.HashStringENC(loSbHashBase.GetAsString())
loSbFinalHashBase.Append(lcIndexHash)

// Get our request signature (using sha3-512 because our HashAlgorithm was set to "sha3-512" up above...)
lcRequestSignature = loCrypt.HashStringENC(loSbFinalHashBase.GetAsString())

// Load our recently obtained exchange token.
// See Hungary NAV Invoicing Token Exchange Sample Code
loXmlExchangeToken = createobject("CkXml")
llSuccess = loXmlExchangeToken.LoadXmlFile("qa_data/tokens/nav_exchange_token.xml")
if (llSuccess = .F.) then
    ? loXmlExchangeToken.LastErrorText
    release loBdInvoiceData1
    release loBdInvoiceData2
    release loBdInvoiceData3
    release loCrypt
    release loDtNow
    release loPrng
    release loSbRequestId
    release loSbFinalHashBase
    release loSbHashBase
    release loXmlExchangeToken
    return
endif

// Get the base64 encoded/encrypted exchange token.
// IMPORTANT:  Make sure to use the exchange token before it expires.
// If it expired, then get a new one..
lcEncodedEncryptedExchangeToken = loXmlExchangeToken.GetChildContent("encodedExchangeToken")

// Decode to binary.
loBdExchangeToken = createobject("CkBinData")
loBdExchangeToken.AppendEncoded(lcEncodedEncryptedExchangeToken,"base64")

// Decrypt using your 16-digit replacement key:
loCrypt.CryptAlgorithm = "aes"
loCrypt.CipherMode = "ecb"
loCrypt.KeyLength = 128
loCrypt.EncodingMode = "base64"
// Pass your 16-digit replacement key here:
loCrypt.SetEncodedKey("99952BBAAAAA8XYZ","ascii")
loCrypt.DecryptBd(loBdExchangeToken)
lcExchangeToken = loBdExchangeToken.GetString("utf-8")
? "exchange token = " + lcExchangeToken

// Now build the XML..
loXml = createobject("CkXml")
loXml.Tag = "ManageInvoiceRequest"
loXml.AddAttribute("xmlns","http://schemas.nav.gov.hu/OSA/2.0/api")
loXml.UpdateChildContent("header|requestId",loSbRequestId.GetAsString())
loXml.UpdateChildContent("header|timestamp",loDtNow.GetAsTimestamp(.F.))
loXml.UpdateChildContent("header|requestVersion","2.0")
loXml.UpdateChildContent("header|headerVersion","1.0")
loXml.UpdateChildContent("user|login","lwilsmn0uqdxe6u")
loXml.UpdateChildContent("user|passwordHash",lcPasswordHash)
loXml.UpdateChildContent("user|taxNumber","11111111")
loXml.UpdateChildContent("user|requestSignature",lcRequestSignature)
loXml.UpdateChildContent("software|softwareId","123456789123456789")
loXml.UpdateChildContent("software|softwareName","string")
loXml.UpdateChildContent("software|softwareOperation","LOCAL_SOFTWARE")
loXml.UpdateChildContent("software|softwareMainVersion","string")
loXml.UpdateChildContent("software|softwareDevName","string")
loXml.UpdateChildContent("software|softwareDevContact","string")
loXml.UpdateChildContent("software|softwareDevCountryCode","HU")
loXml.UpdateChildContent("software|softwareDevTaxNumber","string")
loXml.UpdateChildContent("exchangeToken",lcExchangeToken)
loXml.UpdateChildContent("invoiceOperations|compressedContent","false")
loXml.UpdateChildContent("invoiceOperations|invoiceOperation|index","1")
loXml.UpdateChildContent("invoiceOperations|invoiceOperation|invoiceOperation","CREATE")
loXml.UpdateChildContent("invoiceOperations|invoiceOperation|invoiceData",loBdInvoiceData1.GetEncoded("base64"))
loXml.UpdateChildContent("invoiceOperations|invoiceOperation[1]|index","2")
loXml.UpdateChildContent("invoiceOperations|invoiceOperation[1]|invoiceOperation","CREATE")
loXml.UpdateChildContent("invoiceOperations|invoiceOperation[1]|invoiceData",loBdInvoiceData2.GetEncoded("base64"))
loXml.UpdateChildContent("invoiceOperations|invoiceOperation[2]|index","3")
loXml.UpdateChildContent("invoiceOperations|invoiceOperation[2]|invoiceOperation","CREATE")
loXml.UpdateChildContent("invoiceOperations|invoiceOperation[2]|invoiceData",loBdInvoiceData3.GetEncoded("base64"))

// POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageInvoice
loHttp = createobject("CkHttp")
loHttp.Accept = "application/xml"
loHttp.SetRequestHeader("Content-Type","application/xml")
lcEndpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageInvoice"
loResp = loHttp.PostXml(lcEndpoint,loXml.GetXml(),"utf-8")
if (loHttp.LastMethodSuccess = .F.) then
    ? loHttp.LastErrorText
    release loBdInvoiceData1
    release loBdInvoiceData2
    release loBdInvoiceData3
    release loCrypt
    release loDtNow
    release loPrng
    release loSbRequestId
    release loSbFinalHashBase
    release loSbHashBase
    release loXmlExchangeToken
    release loBdExchangeToken
    release loXml
    release loHttp
    return
endif

? "Response status code = " + str(loResp.StatusCode)

loRespXml = createobject("CkXml")
loRespXml.LoadXml(loResp.BodyStr)
? "Response body:"
? loRespXml.GetXml()

release loResp

// The result looks like this:

// <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
// <ManageInvoiceResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
//     <header>
//         <requestId>RID871830318143</requestId>
//         <timestamp>2020-03-25T15:51:25Z</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>
//     <transactionId>2WT9GFSKFUU1V4XP</transactionId>
// </ManageInvoiceResponse>

// Use this online tool to generate parsing code from sample XML: 
// Generate Parsing Code from XML

lcManageInvoiceResponse_xmlns = loRespXml.GetAttrValue("xmlns")
lcManageInvoiceResponse_xmlns_ns2 = loRespXml.GetAttrValue("xmlns:ns2")
lcRequestId = loRespXml.GetChildContent("header|requestId")
lcTimestamp = loRespXml.GetChildContent("header|timestamp")
lcRequestVersion = loRespXml.GetChildContent("header|requestVersion")
lcHeaderVersion = loRespXml.GetChildContent("header|headerVersion")
lcFuncCode = loRespXml.GetChildContent("result|funcCode")
lcSoftwareId = loRespXml.GetChildContent("software|softwareId")
lcSoftwareName = loRespXml.GetChildContent("software|softwareName")
lcSoftwareOperation = loRespXml.GetChildContent("software|softwareOperation")
lcSoftwareMainVersion = loRespXml.GetChildContent("software|softwareMainVersion")
lcSoftwareDevName = loRespXml.GetChildContent("software|softwareDevName")
lcSoftwareDevContact = loRespXml.GetChildContent("software|softwareDevContact")
lcSoftwareDevCountryCode = loRespXml.GetChildContent("software|softwareDevCountryCode")
lcSoftwareDevTaxNumber = loRespXml.GetChildContent("software|softwareDevTaxNumber")
lcTransactionId = loRespXml.GetChildContent("transactionId")


release loBdInvoiceData1
release loBdInvoiceData2
release loBdInvoiceData3
release loCrypt
release loDtNow
release loPrng
release loSbRequestId
release loSbFinalHashBase
release loSbHashBase
release loXmlExchangeToken
release loBdExchangeToken
release loXml
release loHttp
release loRespXml
 

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