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Visual FoxPro

Hungary NAV Manage Invoice Request

See more Hungary NAV Invoicing Examples

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

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LOCAL lnSuccess
LOCAL loBdInvoiceData1
LOCAL loBdInvoiceData2
LOCAL loBdInvoiceData3
LOCAL loCrypt
LOCAL loDtNow
LOCAL lcMyPassword
LOCAL lcPasswordHash
LOCAL loPrng
LOCAL loSbRequestId
LOCAL lcSignatureKey
LOCAL loSbFinalHashBase
LOCAL lnNumReplaced
LOCAL loSbHashBase
LOCAL lcIndexHash
LOCAL lcRequestSignature
LOCAL loXmlExchangeToken
LOCAL lcEncodedEncryptedExchangeToken
LOCAL loBdExchangeToken
LOCAL lcExchangeToken
LOCAL loXml
LOCAL loHttp
LOCAL lcEndpoint
LOCAL loResp
LOCAL loRespXml
LOCAL lcManageInvoiceResponse_xmlns
LOCAL lcManageInvoiceResponse_xmlns_ns2
LOCAL lcRequestId
LOCAL lcTimestamp
LOCAL lcRequestVersion
LOCAL lcHeaderVersion
LOCAL lcFuncCode
LOCAL lcSoftwareId
LOCAL lcSoftwareName
LOCAL lcSoftwareOperation
LOCAL lcSoftwareMainVersion
LOCAL lcSoftwareDevName
LOCAL lcSoftwareDevContact
LOCAL lcSoftwareDevCountryCode
LOCAL lcSoftwareDevTaxNumber
LOCAL lcTransactionId

lnSuccess = 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"?>
* <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('Chilkat.BinData')
loBdInvoiceData2 = CreateObject('Chilkat.BinData')
loBdInvoiceData3 = CreateObject('Chilkat.BinData')
lnSuccess = loBdInvoiceData1.LoadFile("qa_data/nav_invoicing/invoiceData1.xml")
lnSuccess = loBdInvoiceData2.LoadFile("qa_data/nav_invoicing/invoiceData2.xml")
lnSuccess = loBdInvoiceData3.LoadFile("qa_data/nav_invoicing/invoiceData3.xml")
IF (lnSuccess = 0) THEN
    ? "Failed to load invoice data."
    RELEASE loBdInvoiceData1
    RELEASE loBdInvoiceData2
    RELEASE loBdInvoiceData3
    CANCEL
ENDIF

loCrypt = CreateObject('Chilkat.Crypt2')

loDtNow = CreateObject('Chilkat.CkDateTime')
loDtNow.SetFromCurrentSystemTime()
? loDtNow.GetAsTimestamp(0)

* 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('Chilkat.Prng')
loSbRequestId = CreateObject('Chilkat.StringBuilder')
loSbRequestId.Append("RID")
loSbRequestId.Append(loPrng.RandomString(12,1,0,0))
? "generated requestId = " + loSbRequestId.GetAsString()

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

loSbFinalHashBase = CreateObject('Chilkat.StringBuilder')

* First append the timestamp because we are going to remove certain chars/parts.
loSbFinalHashBase.Append(loDtNow.GetAsTimestamp(0))
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('Chilkat.StringBuilder')
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('Chilkat.Xml')
lnSuccess = loXmlExchangeToken.LoadXmlFile("qa_data/tokens/nav_exchange_token.xml")
IF (lnSuccess = 0) THEN
    ? loXmlExchangeToken.LastErrorText
    RELEASE loBdInvoiceData1
    RELEASE loBdInvoiceData2
    RELEASE loBdInvoiceData3
    RELEASE loCrypt
    RELEASE loDtNow
    RELEASE loPrng
    RELEASE loSbRequestId
    RELEASE loSbFinalHashBase
    RELEASE loSbHashBase
    RELEASE loXmlExchangeToken
    CANCEL
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('Chilkat.BinData')
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('Chilkat.Xml')
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(0))
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('Chilkat.Http')
loHttp.Accept = "application/xml"
lcEndpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageInvoice"
loResp = CreateObject('Chilkat.HttpResponse')
lnSuccess = loHttp.HttpStr("POST",lcEndpoint,loXml.GetXml(),"utf-8","application/xml",loResp)
IF (lnSuccess = 0) 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
    RELEASE loResp
    CANCEL
ENDIF

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

loRespXml = CreateObject('Chilkat.Xml')
loRespXml.LoadXml(loResp.BodyStr)
? "Response body:"
? loRespXml.GetXml()

* 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 loResp
RELEASE loRespXml