(MFC) REST File Upload (multipart/form-data)

Demonstrates how to upload a file using multipart/form-data.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkRest.h>
#include <CkStream.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkRest rest;

    // Connect to the HTTP server using TLS.
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    // Make sure to replace "www.chilkatsoft.com" with your domain..
    bool success = rest.Connect("www.chilkatsoft.com",port,bTls,bAutoReconnect);
    if (success != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkStream fileStream;
    fileStream.put_SourceFile("qa_data/jpg/starfish.jpg");

    rest.AddHeader("Content-Type","multipart/form-data");

    rest.put_PartSelector("1");
    rest.AddHeader("Content-Type","image/jpg");
    rest.AddHeader("Content-Disposition","form-data; name=\"filename\"; filename=\"starfish.jpg\"");
    rest.SetMultipartBodyStream(fileStream);
    rest.put_PartSelector("0");

    const char *responseBody = rest.fullRequestMultipart("POST","/the_uri_path_to_receive_the_upload");
    if (rest.get_LastMethodSuccess() != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    if (rest.get_ResponseStatusCode() != 200) {
        strOut.append("Received error response code: ");
        strOut.appendInt(rest.get_ResponseStatusCode());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("File uploaded");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }