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DataFlex

Hungary NAV Manage Annulment Request

See more Hungary NAV Invoicing Examples

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

Chilkat DataFlex Downloads

DataFlex
Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoCrypt
    Handle hoDtNow
    String sMyPassword
    String sPasswordHash
    Handle hoPrng
    Handle hoSbRequestId
    String sSignatureKey
    Handle hoSbFinalHashBase
    Integer iNumReplaced
    String sInvoiceOperation
    String sInvoiceData
    Handle hoSbHashBase
    String sFirstHash
    String sRequestSignature
ExchangeToken    Handle hoXmlExchangeToken
    String sEncodedEncryptedExchangeToken
    Variant vBdExchangeToken
    Handle hoBdExchangeToken
    String sExchangeToken
    Handle hoXml
    Handle hoHttp
    String sEndpoint
    Variant vResp
    Handle hoResp
    Variant vResp
Xml    Handle hoRespXml
    String sManageAnnulmentResponse_xmlns
    String sManageAnnulmentResponse_xmlns_ns2
    String sRequestId
    String sTimestamp
    String sRequestVersion
    String sHeaderVersion
    String sFuncCode
    String sSoftwareId
    String sSoftwareName
    String sSoftwareOperation
    String sSoftwareMainVersion
    String sSoftwareDevName
    String sSoftwareDevContact
    String sSoftwareDevCountryCode
    String sSoftwareDevTaxNumber
    String sTransactionId
    String sTemp1
    Integer iTemp1

    Move False To iSuccess

    // 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"?>
    // <ManageAnnulmentRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
    // 	<header>
    // 		<requestId>RID338592103413</requestId>
    // 		<timestamp>2019-09-11T13:37:09.385Z</timestamp>
    // 		<requestVersion>2.0</requestVersion>
    // 		<headerVersion>1.0</headerVersion>
    // 	</header>
    // 	<user>
    // 		<login>lwilsmn0uqdxe6u</login>
    // 		<passwordHash>2F43840A882CFDB7DB0 ... F6CA57FE8CD74DC28E</passwordHash>
    // 		<taxNumber>11111111</taxNumber>
    // 		<requestSignature>A297E3BD9 ... 1959ADFAF5</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>dbd03076-3a9b-4312-bbbb-0cee3a6472572P11CS49ASIL</exchangeToken>
    // 	<annulmentOperations>
    // 		<annulmentOperation>
    // 			<index>1</index>
    // 			<annulmentOperation>ANNUL</annulmentOperation>
    // 			<invoiceAnnulment>PD94bWwgdm ... ubnVsbWVudD4=</invoiceAnnulment>
    // 		</annulmentOperation>
    // 	</annulmentOperations>
    // </ManageAnnulmentRequest>

    Get Create (RefClass(cComChilkatCrypt2)) To hoCrypt
    If (Not(IsComObjectCreated(hoCrypt))) Begin
        Send CreateComObject of hoCrypt
    End

    Get Create (RefClass(cComCkDateTime)) To hoDtNow
    If (Not(IsComObjectCreated(hoDtNow))) Begin
        Send CreateComObject of hoDtNow
    End
    Get ComSetFromCurrentSystemTime Of hoDtNow To iSuccess
    Get ComGetAsTimestamp Of hoDtNow False To sTemp1
    Showln sTemp1

    // The hash algorithm for the password is SHA512 (not SHA3-512).
    Set ComHashAlgorithm Of hoCrypt To "sha512"
    Set ComEncodingMode Of hoCrypt To "hex"
    Move "my-password" To sMyPassword
    Get ComHashStringENC Of hoCrypt sMyPassword To sPasswordHash

    // Generate a random request ID like "RID215118906689"
    Get Create (RefClass(cComChilkatPrng)) To hoPrng
    If (Not(IsComObjectCreated(hoPrng))) Begin
        Send CreateComObject of hoPrng
    End
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbRequestId
    If (Not(IsComObjectCreated(hoSbRequestId))) Begin
        Send CreateComObject of hoSbRequestId
    End
    Get ComAppend Of hoSbRequestId "RID" To iSuccess
    Get ComRandomString Of hoPrng 12 True False False To sTemp1
    Get ComAppend Of hoSbRequestId sTemp1 To iSuccess
    Get ComGetAsString Of hoSbRequestId To sTemp1
    Showln "generated requestId = " sTemp1

    // Calculate the requestSignature
    Set ComHashAlgorithm Of hoCrypt To "sha3-512"
    Move "ce-8f5e-215119fa7dd621DLMRHRLH2S" To sSignatureKey

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbFinalHashBase
    If (Not(IsComObjectCreated(hoSbFinalHashBase))) Begin
        Send CreateComObject of hoSbFinalHashBase
    End

    // First append the timestamp because we are going to remove certain chars/parts.
    Get ComGetAsTimestamp Of hoDtNow False To sTemp1
    Get ComAppend Of hoSbFinalHashBase sTemp1 To iSuccess
    Get ComReplace Of hoSbFinalHashBase "Z" "" To iNumReplaced
    Get ComReplace Of hoSbFinalHashBase "-" "" To iNumReplaced
    Get ComReplace Of hoSbFinalHashBase ":" "" To iNumReplaced
    Get ComReplace Of hoSbFinalHashBase "T" "" To iNumReplaced

    // Prepend the requestId and append the signatureKey
    Get ComGetAsString Of hoSbRequestId To sTemp1
    Get ComPrepend Of hoSbFinalHashBase sTemp1 To iSuccess
    Get ComAppend Of hoSbFinalHashBase sSignatureKey To iSuccess

    // Calculate first (and only) index hash.
    Move "ANNUL" To sInvoiceOperation
    Move "PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9InllcyI/Pg0KPEludm9pY2VBbm51bG1lbnQgeG1sbnM9Imh0dHA6Ly9zY2hlbWFzLm5hdi5nb3YuaHUvT1NBLzIuMC9hbm51bCI+DQoJCTxhbm51bG1lbnRSZWZlcmVuY2U+MjIyMjIyMjI8L2FubnVsbWVudFJlZmVyZW5jZT4NCgkJPGFubnVsbWVudFRpbWVzdGFtcD4yMDE4LTA2LTE4VDA5OjEwOjQ1LjMwOVo8L2FubnVsbWVudFRpbWVzdGFtcD4NCgkJPGFubnVsbWVudENvZGU+RVJSQVRJQ19EQVRBPC9hbm51bG1lbnRDb2RlPg0KCQk8YW5udWxtZW50UmVhc29uPmNyZWF0ZSBzemFtbGEgYW5udWw8L2FubnVsbWVudFJlYXNvbj4NCjwvSW52b2ljZUFubnVsbWVudD4=" To sInvoiceData

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbHashBase
    If (Not(IsComObjectCreated(hoSbHashBase))) Begin
        Send CreateComObject of hoSbHashBase
    End
    Get ComAppend Of hoSbHashBase sInvoiceOperation To iSuccess
    Get ComAppend Of hoSbHashBase sInvoiceData To iSuccess
    Get ComGetAsString Of hoSbHashBase To sTemp1
    Get ComHashStringENC Of hoCrypt sTemp1 To sFirstHash

    // Append the index hash to the final hash base.
    Get ComAppend Of hoSbFinalHashBase sFirstHash To iSuccess

    // Get our request signature (using sha3-512 because our HashAlgorithm was set to "sha3-512" up above...)
    Get ComGetAsString Of hoSbFinalHashBase To sTemp1
    Get ComHashStringENC Of hoCrypt sTemp1 To sRequestSignature

    // Load our recently obtained exchange token.
    // See Hungary NAV Invoicing Token Exchange Sample Code
    Get Create (RefClass(cComChilkatXml)) To hoXmlExchangeToken
    If (Not(IsComObjectCreated(hoXmlExchangeToken))) Begin
        Send CreateComObject of hoXmlExchangeToken
    End
    Get ComLoadXmlFile Of hoXmlExchangeToken "qa_data/tokens/nav_exchange_token.xml" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoXmlExchangeToken To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // 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..
    Get ComGetChildContent Of hoXmlExchangeToken "encodedExchangeToken" To sEncodedEncryptedExchangeToken

    // Decode to binary.
    Get Create (RefClass(cComChilkatBinData)) To hoBdExchangeToken
    If (Not(IsComObjectCreated(hoBdExchangeToken))) Begin
        Send CreateComObject of hoBdExchangeToken
    End
    Get ComAppendEncoded Of hoBdExchangeToken sEncodedEncryptedExchangeToken "base64" To iSuccess

    // Decrypt using your 16-digit replacement key:
    Set ComCryptAlgorithm Of hoCrypt To "aes"
    Set ComCipherMode Of hoCrypt To "ecb"
    Set ComKeyLength Of hoCrypt To 128
    Set ComEncodingMode Of hoCrypt To "base64"
    // Pass your 16-digit replacement key here:
    Send ComSetEncodedKey To hoCrypt "99952BBAAAAA8XYZ" "ascii"
    Get pvComObject of hoBdExchangeToken to vBdExchangeToken
    Get ComDecryptBd Of hoCrypt vBdExchangeToken To iSuccess
    Get ComGetString Of hoBdExchangeToken "utf-8" To sExchangeToken
    Showln "exchange token = " sExchangeToken

    // Now build the XML..
    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Set ComTag Of hoXml To "ManageAnnulmentRequest"
    Get ComAddAttribute Of hoXml "xmlns" "http://schemas.nav.gov.hu/OSA/2.0/api" To iSuccess
    Get ComGetAsString Of hoSbRequestId To sTemp1
    Send ComUpdateChildContent To hoXml "header|requestId" sTemp1
    Get ComGetAsTimestamp Of hoDtNow False To sTemp1
    Send ComUpdateChildContent To hoXml "header|timestamp" sTemp1
    Send ComUpdateChildContent To hoXml "header|requestVersion" "2.0"
    Send ComUpdateChildContent To hoXml "header|headerVersion" "1.0"
    Send ComUpdateChildContent To hoXml "user|login" "lwilsmn0uqdxe6u"
    Send ComUpdateChildContent To hoXml "user|passwordHash" sPasswordHash
    Send ComUpdateChildContent To hoXml "user|taxNumber" "11111111"
    Send ComUpdateChildContent To hoXml "user|requestSignature" sRequestSignature
    Send ComUpdateChildContent To hoXml "software|softwareId" "123456789123456789"
    Send ComUpdateChildContent To hoXml "software|softwareName" "string"
    Send ComUpdateChildContent To hoXml "software|softwareOperation" "LOCAL_SOFTWARE"
    Send ComUpdateChildContent To hoXml "software|softwareMainVersion" "string"
    Send ComUpdateChildContent To hoXml "software|softwareDevName" "string"
    Send ComUpdateChildContent To hoXml "software|softwareDevContact" "string"
    Send ComUpdateChildContent To hoXml "software|softwareDevCountryCode" "HU"
    Send ComUpdateChildContent To hoXml "software|softwareDevTaxNumber" "string"
    Send ComUpdateChildContent To hoXml "exchangeToken" sExchangeToken
    Send ComUpdateChildContent To hoXml "annulmentOperations|annulmentOperation|index" "1"
    Send ComUpdateChildContent To hoXml "annulmentOperations|annulmentOperation|annulmentOperation" sInvoiceOperation
    Send ComUpdateChildContent To hoXml "annulmentOperations|annulmentOperation|invoiceAnnulment" sInvoiceData

    // POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageAnnulment
    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End
    Set ComAccept Of hoHttp To "application/xml"
    Move "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/manageAnnulment" To sEndpoint
    Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
    If (Not(IsComObjectCreated(hoResp))) Begin
        Send CreateComObject of hoResp
    End
    Get ComGetXml Of hoXml To sTemp1
    Get pvComObject of hoResp to vResp
    Get ComHttpStr Of hoHttp "POST" sEndpoint sTemp1 "utf-8" "application/xml" vResp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComStatusCode Of hoResp To iTemp1
    Showln "Response status code = " iTemp1

    Get Create (RefClass(cComChilkatXml)) To hoRespXml
    If (Not(IsComObjectCreated(hoRespXml))) Begin
        Send CreateComObject of hoRespXml
    End
    Get ComBodyStr Of hoResp To sTemp1
    Get ComLoadXml Of hoRespXml sTemp1 To iSuccess
    Showln "Response body:"
    Get ComGetXml Of hoRespXml To sTemp1
    Showln sTemp1

    // The result looks like this:

    // <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    // <ManageAnnulmentResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
    //     <header>
    //         <requestId>RID465317110495</requestId>
    //         <timestamp>2020-03-25T15:08:40Z</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>2WT6XG9LQ0U9VQNA</transactionId>
    // </ManageAnnulmentResponse>

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

    Get ComGetAttrValue Of hoRespXml "xmlns" To sManageAnnulmentResponse_xmlns
    Get ComGetAttrValue Of hoRespXml "xmlns:ns2" To sManageAnnulmentResponse_xmlns_ns2
    Get ComGetChildContent Of hoRespXml "header|requestId" To sRequestId
    Get ComGetChildContent Of hoRespXml "header|timestamp" To sTimestamp
    Get ComGetChildContent Of hoRespXml "header|requestVersion" To sRequestVersion
    Get ComGetChildContent Of hoRespXml "header|headerVersion" To sHeaderVersion
    Get ComGetChildContent Of hoRespXml "result|funcCode" To sFuncCode
    Get ComGetChildContent Of hoRespXml "software|softwareId" To sSoftwareId
    Get ComGetChildContent Of hoRespXml "software|softwareName" To sSoftwareName
    Get ComGetChildContent Of hoRespXml "software|softwareOperation" To sSoftwareOperation
    Get ComGetChildContent Of hoRespXml "software|softwareMainVersion" To sSoftwareMainVersion
    Get ComGetChildContent Of hoRespXml "software|softwareDevName" To sSoftwareDevName
    Get ComGetChildContent Of hoRespXml "software|softwareDevContact" To sSoftwareDevContact
    Get ComGetChildContent Of hoRespXml "software|softwareDevCountryCode" To sSoftwareDevCountryCode
    Get ComGetChildContent Of hoRespXml "software|softwareDevTaxNumber" To sSoftwareDevTaxNumber
    Get ComGetChildContent Of hoRespXml "transactionId" To sTransactionId


End_Procedure