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PureBasic

Hungary NAV Query Taxpayer

See more Hungary NAV Invoicing Examples

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

Chilkat PureBasic Downloads

PureBasic
IncludeFile "CkDateTime.pb"
IncludeFile "CkPrng.pb"
IncludeFile "CkXml.pb"
IncludeFile "CkCrypt2.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkHttpResponse.pb"
IncludeFile "CkHttp.pb"

Procedure ChilkatExample()

    success.i = 0

    ; This example assumes the Chilkat API to have been previously unlocked.
    ; See Global Unlock Sample for sample code.

    ; Build the following XML:

    ; <?xml version="1.0" encoding="UTF-8"?>
    ; <QueryTaxpayerRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
    ; 	<header>
    ; 		<requestId>RID215118906689</requestId>
    ; 		<timestamp>2019-09-11T11:11:08.579Z</timestamp>
    ; 		<requestVersion>2.0</requestVersion>
    ; 		<headerVersion>1.0</headerVersion>
    ; 	</header>
    ; 	<user>
    ; 		<login>lwilsmn0uqdxe6u</login>
    ; 		<passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
    ; 		<taxNumber>11111111</taxNumber>
    ; 		<requestSignature>C5ADE8A2231C509D2887E6C2C4406CC5F72CA25B070AD3E94FADFA3F91A8A3667AF882DEDC7D67E9086E3D34A95886E929ACD8C924CD1E8357C89BEF43BA9126</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>
    ; 	<taxNumber>22222222</taxNumber>
    ; </QueryTaxpayerRequest>

    crypt.i = CkCrypt2::ckCreate()
    If crypt.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    dtNow.i = CkDateTime::ckCreate()
    If dtNow.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkDateTime::ckSetFromCurrentSystemTime(dtNow)
    Debug CkDateTime::ckGetAsTimestamp(dtNow,0)

    ; The hash algorithm for the password is SHA512 (not SHA3-512).
    CkCrypt2::setCkHashAlgorithm(crypt, "sha512")
    CkCrypt2::setCkEncodingMode(crypt, "hex")
    myPassword.s = "my-password"
    passwordHash.s = CkCrypt2::ckHashStringENC(crypt,myPassword)

    ; Generate a random request ID like "RID215118906689"
    prng.i = CkPrng::ckCreate()
    If prng.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    sbRequestId.i = CkStringBuilder::ckCreate()
    If sbRequestId.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkStringBuilder::ckAppend(sbRequestId,"RID")
    CkStringBuilder::ckAppend(sbRequestId,CkPrng::ckRandomString(prng,12,1,0,0))
    Debug "generated requestId = " + CkStringBuilder::ckGetAsString(sbRequestId)

    ; Calculate the requestSignature
    CkCrypt2::setCkHashAlgorithm(crypt, "sha3-512")
    signatureKey.s = "ce-8f5e-215119fa7dd621DLMRHRLH2S"

    sbFinalHashBase.i = CkStringBuilder::ckCreate()
    If sbFinalHashBase.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; First append the timestamp because we are going to remove certain chars/parts.
    CkStringBuilder::ckAppend(sbFinalHashBase,CkDateTime::ckGetAsTimestamp(dtNow,0))
    numReplaced.i = CkStringBuilder::ckReplace(sbFinalHashBase,"Z","")
    numReplaced = CkStringBuilder::ckReplace(sbFinalHashBase,"-","")
    numReplaced = CkStringBuilder::ckReplace(sbFinalHashBase,":","")
    numReplaced = CkStringBuilder::ckReplace(sbFinalHashBase,"T","")

    ; Prepend the requestId and append the signatureKey
    CkStringBuilder::ckPrepend(sbFinalHashBase,CkStringBuilder::ckGetAsString(sbRequestId))
    CkStringBuilder::ckAppend(sbFinalHashBase,signatureKey)

    requestSignature.s = CkCrypt2::ckHashStringENC(crypt,CkStringBuilder::ckGetAsString(sbFinalHashBase))

    xml.i = CkXml::ckCreate()
    If xml.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkXml::setCkTag(xml, "QueryTaxpayerRequest")
    CkXml::ckAddAttribute(xml,"xmlns","http://schemas.nav.gov.hu/OSA/2.0/api")
    CkXml::ckUpdateChildContent(xml,"header|requestId",CkStringBuilder::ckGetAsString(sbRequestId))
    CkXml::ckUpdateChildContent(xml,"header|timestamp",CkDateTime::ckGetAsTimestamp(dtNow,0))
    CkXml::ckUpdateChildContent(xml,"header|requestVersion","2.0")
    CkXml::ckUpdateChildContent(xml,"header|headerVersion","1.0")
    CkXml::ckUpdateChildContent(xml,"user|login","lwilsmn0uqdxe6u")
    CkXml::ckUpdateChildContent(xml,"user|passwordHash",passwordHash)
    CkXml::ckUpdateChildContent(xml,"user|taxNumber","11111111")
    CkXml::ckUpdateChildContent(xml,"user|requestSignature",requestSignature)
    CkXml::ckUpdateChildContent(xml,"software|softwareId","123456789123456789")
    CkXml::ckUpdateChildContent(xml,"software|softwareName","string")
    CkXml::ckUpdateChildContent(xml,"software|softwareOperation","LOCAL_SOFTWARE")
    CkXml::ckUpdateChildContent(xml,"software|softwareMainVersion","string")
    CkXml::ckUpdateChildContent(xml,"software|softwareDevName","string")
    CkXml::ckUpdateChildContent(xml,"software|softwareDevContact","string")
    CkXml::ckUpdateChildContent(xml,"software|softwareDevCountryCode","HU")
    CkXml::ckUpdateChildContent(xml,"software|softwareDevTaxNumber","string")
    CkXml::ckUpdateChildContent(xml,"taxNumber","22222222")

    ; POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer
    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttp::setCkAccept(http, "application/xml")
    endpoint.s = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer"
    resp.i = CkHttpResponse::ckCreate()
    If resp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkHttp::ckHttpStr(http,"POST",endpoint,CkXml::ckGetXml(xml),"utf-8","application/xml",resp)
    If success = 0
        Debug CkHttp::ckLastErrorText(http)
        CkCrypt2::ckDispose(crypt)
        CkDateTime::ckDispose(dtNow)
        CkPrng::ckDispose(prng)
        CkStringBuilder::ckDispose(sbRequestId)
        CkStringBuilder::ckDispose(sbFinalHashBase)
        CkXml::ckDispose(xml)
        CkHttp::ckDispose(http)
        CkHttpResponse::ckDispose(resp)
        ProcedureReturn
    EndIf

    Debug "Response status code = " + Str(CkHttpResponse::ckStatusCode(resp))

    respXml.i = CkXml::ckCreate()
    If respXml.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkXml::ckLoadXml(respXml,CkHttpResponse::ckBodyStr(resp))
    Debug "Response body:"
    Debug CkXml::ckGetXml(respXml)

    ; The result looks like this:

    ; <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    ; <QueryTaxpayerResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
    ;     <header>
    ;         <requestId>RID847153193061</requestId>
    ;         <timestamp>2020-03-24T16:00:34Z</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>
    ;     <infoDate>1993-01-01T00:00:00.000+01:00</infoDate>
    ;     <taxpayerValidity>true</taxpayerValidity>
    ;     <taxpayerData>
    ;         <taxpayerName>some taxpayer name</taxpayerName>
    ;         <taxNumberDetail>
    ;             <ns2:taxpayerId>22222222</ns2:taxpayerId>
    ;             <ns2:vatCode>2</ns2:vatCode>
    ;         </taxNumberDetail>
    ;         <taxpayerAddressList>
    ;             <taxpayerAddressItem>
    ;                 <taxpayerAddressType>HQ</taxpayerAddressType>
    ;                 <taxpayerAddress>
    ;                     <ns2:countryCode>HU</ns2:countryCode>
    ;                     <ns2:postalCode>1121</ns2:postalCode>
    ;                     <ns2:city>BUDAPEST 12</ns2:city>
    ;                     <ns2:streetName>ABCD</ns2:streetName>
    ;                     <ns2:publicPlaceCategory>UTCA</ns2:publicPlaceCategory>
    ;                     <ns2:number>20</ns2:number>
    ;                 </taxpayerAddress>
    ;             </taxpayerAddressItem>
    ;         </taxpayerAddressList>
    ;     </taxpayerData>
    ; </QueryTaxpayerResponse>

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

    QueryTaxpayerResponse_xmlns.s = CkXml::ckGetAttrValue(respXml,"xmlns")
    QueryTaxpayerResponse_xmlns_ns2.s = CkXml::ckGetAttrValue(respXml,"xmlns:ns2")
    requestId.s = CkXml::ckGetChildContent(respXml,"header|requestId")
    timestamp.s = CkXml::ckGetChildContent(respXml,"header|timestamp")
    requestVersion.s = CkXml::ckGetChildContent(respXml,"header|requestVersion")
    headerVersion.s = CkXml::ckGetChildContent(respXml,"header|headerVersion")
    funcCode.s = CkXml::ckGetChildContent(respXml,"result|funcCode")
    softwareId.s = CkXml::ckGetChildContent(respXml,"software|softwareId")
    softwareName.s = CkXml::ckGetChildContent(respXml,"software|softwareName")
    softwareOperation.s = CkXml::ckGetChildContent(respXml,"software|softwareOperation")
    softwareMainVersion.s = CkXml::ckGetChildContent(respXml,"software|softwareMainVersion")
    softwareDevName.s = CkXml::ckGetChildContent(respXml,"software|softwareDevName")
    softwareDevContact.s = CkXml::ckGetChildContent(respXml,"software|softwareDevContact")
    softwareDevCountryCode.s = CkXml::ckGetChildContent(respXml,"software|softwareDevCountryCode")
    softwareDevTaxNumber.s = CkXml::ckGetChildContent(respXml,"software|softwareDevTaxNumber")
    infoDate.s = CkXml::ckGetChildContent(respXml,"infoDate")
    taxpayerValidity.s = CkXml::ckGetChildContent(respXml,"taxpayerValidity")
    taxpayerName.s = CkXml::ckGetChildContent(respXml,"taxpayerData|taxpayerName")
    ns2_taxpayerId.i = CkXml::ckGetChildIntValue(respXml,"taxpayerData|taxNumberDetail|ns2:taxpayerId")
    ns2_vatCode.i = CkXml::ckGetChildIntValue(respXml,"taxpayerData|taxNumberDetail|ns2:vatCode")
    taxpayerAddressType.s = CkXml::ckGetChildContent(respXml,"taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddressType")
    ns2_countryCode.s = CkXml::ckGetChildContent(respXml,"taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:countryCode")
    ns2_postalCode.i = CkXml::ckGetChildIntValue(respXml,"taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:postalCode")
    ns2_city.s = CkXml::ckGetChildContent(respXml,"taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:city")
    ns2_streetName.s = CkXml::ckGetChildContent(respXml,"taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:streetName")
    ns2_publicPlaceCategory.s = CkXml::ckGetChildContent(respXml,"taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:publicPlaceCategory")
    ns2_number.i = CkXml::ckGetChildIntValue(respXml,"taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:number")


    CkCrypt2::ckDispose(crypt)
    CkDateTime::ckDispose(dtNow)
    CkPrng::ckDispose(prng)
    CkStringBuilder::ckDispose(sbRequestId)
    CkStringBuilder::ckDispose(sbFinalHashBase)
    CkXml::ckDispose(xml)
    CkHttp::ckDispose(http)
    CkHttpResponse::ckDispose(resp)
    CkXml::ckDispose(respXml)


    ProcedureReturn
EndProcedure