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(C++) Create Signed SOAP XML for Albanian Fiscalization Service

Important: This example requires Chilkat v9.5.0.80 or greater.

This example is created for a customer that needs to send signed billing/invoicing SOAP XML requests to http://efiskalizimi-test.tatime.gov.al:80/FiscalizationService

The example demonstrates how to create and signed the SOAP XML message that is to be sent.

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#include <CkXml.h>
#include <CkXmlDSigGen.h>
#include <CkCert.h>
#include <CkStringBuilder.h>
#include <CkHttp.h>
#include <CkHttpResponse.h>

void ChilkatSample(void)
    {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // --------------------------------------------------------------------------------
    // Also see Chilkat's Online WSDL Code Generator
    // to generate code and SOAP Request and Response XML for each operation in a WSDL.
    // --------------------------------------------------------------------------------

    // We want to build and send a signed SOAP XML that looks like the following:

    // 
    // <?xml version="1.0" encoding="utf-8"?>
    // <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
    //     <SOAP-ENV:Header/>
    //     <SOAP-ENV:Body>
    //         <RegisterWTNRequest xmlns="https://eFiskalizimi.tatime.gov.al/FiscalizationService/schema" xmlns:ns2="http://www.w3.org/2000/09/xmldsig#" Id="Request">
    //             <Header SendDateTime="2019-09-03T14:19:01+02:00" UUID="42db3af5-0d9f-4dea-95b4-4b947ab8d8e7"/>
    //             <WTN BusinUnit="bb123bb123" DateTimeCreated="2019-09-03T14:19:01+02:00" DestinAddr="Destination address" 
    // 			DestinCity="Destination city" IsAfterDel="false" OperatorCode="oo123oo123" 
    // 			SoftNum="ss123ss123" StartAddr="Start address" StartCity="Start city" TransDate="2019-09-03T14:19:01+02:00" 
    // 			VehPlates="AA0000AA" WTNIC="5C5E58580D0A24E1F7A5E5E011929511" WTNICSignature="82D69C38206D ... F5FCA48" WTNNum="12345678901">
    //                 <Issuer NUIS="I12345678I" Name="Issuer name"/>
    //                 <Items>
    //                     <I C="501234567890" N="Item name" Q="1.0" U="piece"/>
    //                 </Items>
    //             </WTN>
    //             <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
    //                 <SignedInfo>
    //                     <CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
    //                     <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
    //                     <Reference URI="#Request">
    //                         <Transforms>
    //                             <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
    //                             <Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
    //                         </Transforms>
    //                         <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    //                         <DigestValue>aNa0r4RW04BlsAciTUrWHGW9PADskl2op315BAQ0hTg=</DigestValue>
    //                     </Reference>
    //                 </SignedInfo>
    //                 <SignatureValue>4/j/d4j/5xCJ2YUP+XTC6li0B94...........................KESd38NT5+puArBcNgLYIjLx/dh6Q==</SignatureValue>
    //                 <KeyInfo>
    //                     <X509Data>
    //                         <X509Certificate>MIIE6TCCAtGgAwIBAgICEA8wDQYJKoZIhvcNA......................uoqWsSuLmA==</X509Certificate>
    //                     </X509Data>
    //                 </KeyInfo>
    //             </Signature>
    //         </RegisterWTNRequest>
    //     </SOAP-ENV:Body>
    // </SOAP-ENV:Envelope>

    bool success = true;
    // Create the XML to be signed...
    CkXml xmlToSign;
    xmlToSign.put_Tag("SOAP-ENV:Envelope");
    xmlToSign.AddAttribute("xmlns:SOAP-ENV","http://schemas.xmlsoap.org/soap/envelope/");
    xmlToSign.UpdateChildContent("SOAP-ENV:Header","");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest",true,"xmlns","https://eFiskalizimi.tatime.gov.al/FiscalizationService/schema");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest",true,"xmlns:ns2","http://www.w3.org/2000/09/xmldsig#");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest",true,"Id","Request");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|Header",true,"SendDateTime","2019-09-03T14:19:01+02:00");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|Header",true,"UUID","42db3af5-0d9f-4dea-95b4-4b947ab8d8e7");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"BusinUnit","bb123bb123");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"DateTimeCreated","2019-09-03T14:19:01+02:00");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"DestinAddr","Destination address");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"DestinCity","Destination city");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"IsAfterDel","false");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"OperatorCode","oo123oo123");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"SoftNum","ss123ss123");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"StartAddr","Start address");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"StartCity","Start city");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"TransDate","2019-09-03T14:19:01+02:00");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"VehPlates","AA0000AA");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"WTNIC","5C5E58580D0A24E1F7A5E5E011929511");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"WTNICSignature","82D69C38206D ... F5FCA48");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN",true,"WTNNum","12345678901");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Issuer",true,"NUIS","I12345678I");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Issuer",true,"Name","Issuer name");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",true,"C","501234567890");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",true,"N","Item name");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",true,"Q","1.0");
    xmlToSign.UpdateAttrAt("SOAP-ENV:Body|RegisterWTNRequest|WTN|Items|I",true,"U","piece");

    CkXmlDSigGen gen;

    gen.put_SigLocation("SOAP-ENV:Envelope|SOAP-ENV:Body|RegisterWTNRequest");
    gen.put_SigLocationMod(0);
    gen.put_SigNamespacePrefix("");
    gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#");
    gen.put_SignedInfoCanonAlg("EXCL_C14N");
    gen.put_SignedInfoDigestMethod("sha256");

    // -------- Reference 1 --------
    gen.AddSameDocRef("Request","sha256","EXCL_C14N","","");

    // Provide a certificate + private key. (PFX password is test123)
    CkCert cert;
    success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123");
    if (success != true) {
        std::cout << cert.lastErrorText() << "\r\n";
        return;
    }

    gen.SetX509Cert(cert,true);

    gen.put_KeyInfoType("X509Data");
    gen.put_X509Type("Certificate");

    // Load XML to be signed...
    CkStringBuilder sbXml;
    xmlToSign.GetXmlSb(sbXml);

    gen.put_Behaviors("CompactSignedXml,ForceAddEnvelopedSignatureTransform");

    // Sign the XML...
    success = gen.CreateXmlDSigSb(sbXml);
    if (success != true) {
        std::cout << gen.lastErrorText() << "\r\n";
        return;
    }

    // -----------------------------------------------
    // Now to send the SOAP request....

    // Note: Chilkat did not actually test this by sending the request to the server.
    // The example is a best-guess for how to do it...

    const char *strXml = sbXml.getAsString();

    int responseStatusCode;

    // We'll need to add this in the HTTP header:
    // SOAPAction: "https://eFiskalizimi.tatime.gov.al/FiscalizationService/RegisterWTN"

    // Note: This is for the RegisterWTN request.

    // You may wish to load the WSDL at https://efiskalizimi-test.tatime.gov.al/FiscalizationService-v1/FiscalizationService.wsdl into the SoapUI application to see 
    // the SOAP requests..
    CkHttp http;
    http.SetRequestHeader("SOAPAction","https://eFiskalizimi.tatime.gov.al/FiscalizationService/RegisterWTN");

    // Some services expect the content-type in the HTTP header to be "application/xml" while
    // other expect text/xml.  The default sent by Chilkat is "application/xml", but this web service
    // likely expects "text/xml".  Therefore, change the content-type:
    http.SetRequestHeader("Content-Type","text/xml; charset=utf-8");

    // The testing endpoint for this soap service is likely:
    const char *endPoint = "https://efiskalizimi-test.tatime.gov.al/FiscalizationService-v1";

    CkHttpResponse *resp = http.PostXml(endPoint,strXml,"utf-8");
    if (http.get_LastMethodSuccess() != true) {
        std::cout << http.lastErrorText() << "\r\n";
        std::cout << "LastHeader:" << "\r\n";
        std::cout << http.lastHeader() << "\r\n";
        return;
    }

    responseStatusCode = resp->get_StatusCode();

    // Check that the responseStatusCode equals 200...
    std::cout << "Response Status Code: " << responseStatusCode << "\r\n";

    // Examine the exact HTTP header sent with the POST like this:
    std::cout << "LastHeader:" << "\r\n";
    std::cout << http.lastHeader() << "\r\n";

    // Examine the XML returned by the web service:
    std::cout << "XML Response:" << "\r\n";
    CkXml xmlResp;
    xmlResp.LoadXml(resp->bodyStr());
    std::cout << xmlResp.getXml() << "\r\n";

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

    delete resp;
    }

 

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