(C++) SOAP with MTOM XOP 8bit (binary) Attachment

Demonstrates how to send the following sample SOAP request with an MTOM/XOP attachment:

Content-Type: Multipart/Related; start-info="text/xml"; type="application/xop+xml"; boundary="----=_Part_0_1744155.1118953559416"
Content-Length: 3453
SOAPAction: "some-SOAP-action"

------=_Part_1_4558657.1118953559446
Content-Type: application/xop+xml; type="text/xml"; charset=utf-8

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <Detail xmlns="http://example.org/mtom/data">
      <image>
        <xop:Include xmlns:xop="http://www.w3.org/2004/08/xop/include" href="cid:5aeaa450-17f0-4484-b845-a8480c363444@example.org" />
      </image>
    </Detail>
  </soap:Body>
</soap:Envelope>

------=_Part_1_4558657.1118953559446
Content-Type: image/jpeg
Content-ID: _LT_5aeaa450-17f0-4484-b845-a8480c363444@example.org_GT_
Content-Disposition: 8bit

... binary data ...

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#include <CkHttp.h>
#include <CkXml.h>
#include <CkHttpRequest.h>
#include <CkHttpResponse.h>

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

    CkHttp http;

    CkXml soapXml;

    soapXml.put_Tag("soap:Envelope");
    bool success = soapXml.AddAttribute("xmlns:soap","http://schemas.xmlsoap.org/soap/envelope/");

    soapXml.NewChild2("soap:Body","");
    success = soapXml.GetChild2(0);

    soapXml.NewChild2("Detail","");
    success = soapXml.GetChild2(0);
    success = soapXml.AddAttribute("xmlns","http://example.org/mtom/data");

    soapXml.NewChild2("image","");
    success = soapXml.GetChild2(0);

    soapXml.NewChild2("xop:Include","");
    success = soapXml.GetChild2(0);
    success = soapXml.AddAttribute("xmlns:xop","http://www.w3.org/2004/08/xop/include");
    success = soapXml.AddAttribute("href","cid:5aeaa450-17f0-4484-b845-a8480c363444@example.org");

    soapXml.GetRoot2();
    soapXml.put_EmitXmlDecl(false);

    const char *xmlBody = soapXml.getXml();
    std::cout << xmlBody << "\r\n";

    CkHttpRequest req;
    req.put_HttpVerb("POST");
    req.put_Path("/something/someTarget");

    req.put_ContentType("multipart/related; start-info=\"text/xml\"; type=\"application/xop+xml\"");
    req.AddHeader("SOAPAction","some-SOAP-action");

    success = req.AddStringForUpload2("","",xmlBody,"utf-8","application/xop+xml; type=\"text/xml\"; charset=utf-8");

    // The bytes will be sent as binary (not base64 encoded).
    success = req.AddFileForUpload2("","qa_data/jpg/starfish.jpg","image/jpeg");

    // The JPEG data is the 2nd sub-part, and therefore is at index 1 (the first sub-part is at index 0)
    success = req.AddSubHeader(1,"Content-ID","<5aeaa450-17f0-4484-b845-a8480c363444@example.org>");

    // Add the Content-Disposition: 8bit sub-header
    success = req.AddSubHeader(1,"Content-Disposition","8bit");

    http.put_FollowRedirects(true);

    // For debugging, set the SessionLogFilename property
    // to see the exact HTTP request and response in a log file.
    // (Given that the request contains binary data, you'll need an editor
    // that can gracefully view text + binary data.  I use EmEditor for most simple editing tasks..)
    http.put_SessionLogFilename("qa_output/mtom_sessionLog.txt");

    bool useTls = true;
    // Note: Please don't run this example without changing the domain to your own domain...
    CkHttpResponse *resp = http.SynchronousRequest("www.example.org",443,useTls,req);
    if (http.get_LastMethodSuccess() == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    CkXml xmlResponse;
    success = xmlResponse.LoadXml(resp->bodyStr());
    std::cout << xmlResponse.getXml() << "\r\n";
    delete resp;
    }