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(Unicode C) Hungary NAV Query Taxpayer

Demonstrates the queryTaxpayer 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

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#include <C_CkCrypt2W.h>
#include <C_CkDateTimeW.h>
#include <C_CkPrngW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkXmlW.h>
#include <C_CkHttpW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkCrypt2W crypt;
    HCkDateTimeW dtNow;
    const wchar_t *myPassword;
    const wchar_t *passwordHash;
    HCkPrngW prng;
    HCkStringBuilderW sbRequestId;
    const wchar_t *signatureKey;
    HCkStringBuilderW sbFinalHashBase;
    int numReplaced;
    const wchar_t *requestSignature;
    HCkXmlW xml;
    HCkHttpW http;
    const wchar_t *endpoint;
    HCkHttpResponseW resp;
    HCkXmlW respXml;
    const wchar_t *QueryTaxpayerResponse_xmlns;
    const wchar_t *QueryTaxpayerResponse_xmlns_ns2;
    const wchar_t *requestId;
    const wchar_t *timestamp;
    const wchar_t *requestVersion;
    const wchar_t *headerVersion;
    const wchar_t *funcCode;
    const wchar_t *softwareId;
    const wchar_t *softwareName;
    const wchar_t *softwareOperation;
    const wchar_t *softwareMainVersion;
    const wchar_t *softwareDevName;
    const wchar_t *softwareDevContact;
    const wchar_t *softwareDevCountryCode;
    const wchar_t *softwareDevTaxNumber;
    const wchar_t *infoDate;
    const wchar_t *taxpayerValidity;
    const wchar_t *taxpayerName;
    int ns2_taxpayerId;
    int ns2_vatCode;
    const wchar_t *taxpayerAddressType;
    const wchar_t *ns2_countryCode;
    int ns2_postalCode;
    const wchar_t *ns2_city;
    const wchar_t *ns2_streetName;
    const wchar_t *ns2_publicPlaceCategory;
    int ns2_number;

    // 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 = CkCrypt2W_Create();

    dtNow = CkDateTimeW_Create();
    CkDateTimeW_SetFromCurrentSystemTime(dtNow);
    wprintf(L"%s\n",CkDateTimeW_getAsTimestamp(dtNow,FALSE));

    // The hash algorithm for the password is SHA512 (not SHA3-512).
    CkCrypt2W_putHashAlgorithm(crypt,L"sha512");
    CkCrypt2W_putEncodingMode(crypt,L"hex");
    myPassword = L"my-password";
    passwordHash = CkCrypt2W_hashStringENC(crypt,myPassword);

    // Generate a random request ID like "RID215118906689"
    prng = CkPrngW_Create();
    sbRequestId = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbRequestId,L"RID");
    CkStringBuilderW_Append(sbRequestId,CkPrngW_randomString(prng,12,TRUE,FALSE,FALSE));
    wprintf(L"generated requestId = %s\n",CkStringBuilderW_getAsString(sbRequestId));

    // Calculate the requestSignature
    // 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.
    CkCrypt2W_putHashAlgorithm(crypt,L"sha3-512");
    signatureKey = L"ce-8f5e-215119fa7dd621DLMRHRLH2S";

    sbFinalHashBase = CkStringBuilderW_Create();

    // First append the timestamp because we are going to remove certain chars/parts.
    CkStringBuilderW_Append(sbFinalHashBase,CkDateTimeW_getAsTimestamp(dtNow,FALSE));
    numReplaced = CkStringBuilderW_Replace(sbFinalHashBase,L"Z",L"");
    numReplaced = CkStringBuilderW_Replace(sbFinalHashBase,L"-",L"");
    numReplaced = CkStringBuilderW_Replace(sbFinalHashBase,L":",L"");
    numReplaced = CkStringBuilderW_Replace(sbFinalHashBase,L"T",L"");

    // Prepend the requestId and append the signatureKey
    CkStringBuilderW_Prepend(sbFinalHashBase,CkStringBuilderW_getAsString(sbRequestId));
    CkStringBuilderW_Append(sbFinalHashBase,signatureKey);

    requestSignature = CkCrypt2W_hashStringENC(crypt,CkStringBuilderW_getAsString(sbFinalHashBase));

    xml = CkXmlW_Create();
    CkXmlW_putTag(xml,L"QueryTaxpayerRequest");
    CkXmlW_AddAttribute(xml,L"xmlns",L"http://schemas.nav.gov.hu/OSA/2.0/api");
    CkXmlW_UpdateChildContent(xml,L"header|requestId",CkStringBuilderW_getAsString(sbRequestId));
    CkXmlW_UpdateChildContent(xml,L"header|timestamp",CkDateTimeW_getAsTimestamp(dtNow,FALSE));
    CkXmlW_UpdateChildContent(xml,L"header|requestVersion",L"2.0");
    CkXmlW_UpdateChildContent(xml,L"header|headerVersion",L"1.0");
    CkXmlW_UpdateChildContent(xml,L"user|login",L"lwilsmn0uqdxe6u");
    CkXmlW_UpdateChildContent(xml,L"user|passwordHash",passwordHash);
    CkXmlW_UpdateChildContent(xml,L"user|taxNumber",L"11111111");
    CkXmlW_UpdateChildContent(xml,L"user|requestSignature",requestSignature);
    CkXmlW_UpdateChildContent(xml,L"software|softwareId",L"123456789123456789");
    CkXmlW_UpdateChildContent(xml,L"software|softwareName",L"string");
    CkXmlW_UpdateChildContent(xml,L"software|softwareOperation",L"LOCAL_SOFTWARE");
    CkXmlW_UpdateChildContent(xml,L"software|softwareMainVersion",L"string");
    CkXmlW_UpdateChildContent(xml,L"software|softwareDevName",L"string");
    CkXmlW_UpdateChildContent(xml,L"software|softwareDevContact",L"string");
    CkXmlW_UpdateChildContent(xml,L"software|softwareDevCountryCode",L"HU");
    CkXmlW_UpdateChildContent(xml,L"software|softwareDevTaxNumber",L"string");
    CkXmlW_UpdateChildContent(xml,L"taxNumber",L"22222222");

    // POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer
    http = CkHttpW_Create();
    CkHttpW_putAccept(http,L"application/xml");
    CkHttpW_SetRequestHeader(http,L"Content-Type",L"application/xml");
    endpoint = L"https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer";
    resp = CkHttpW_PostXml(http,endpoint,CkXmlW_getXml(xml),L"utf-8");
    if (CkHttpW_getLastMethodSuccess(http) == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkCrypt2W_Dispose(crypt);
        CkDateTimeW_Dispose(dtNow);
        CkPrngW_Dispose(prng);
        CkStringBuilderW_Dispose(sbRequestId);
        CkStringBuilderW_Dispose(sbFinalHashBase);
        CkXmlW_Dispose(xml);
        CkHttpW_Dispose(http);
        return;
    }

    wprintf(L"Response status code = %d\n",CkHttpResponseW_getStatusCode(resp));

    respXml = CkXmlW_Create();
    CkXmlW_LoadXml(respXml,CkHttpResponseW_bodyStr(resp));
    wprintf(L"Response body:\n");
    wprintf(L"%s\n",CkXmlW_getXml(respXml));

    CkHttpResponseW_Dispose(resp);

    // 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

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

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


    CkCrypt2W_Dispose(crypt);
    CkDateTimeW_Dispose(dtNow);
    CkPrngW_Dispose(prng);
    CkStringBuilderW_Dispose(sbRequestId);
    CkStringBuilderW_Dispose(sbFinalHashBase);
    CkXmlW_Dispose(xml);
    CkHttpW_Dispose(http);
    CkXmlW_Dispose(respXml);

    }

 

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