(MFC) S3 Upload Binary File from BinData

Upload a binary file contained in a BinData object to Amazon S3.

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

See Also: Using MFC CString in Chilkat

#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkBinData.h>
#include <CkStringBuilder.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 Amazon AWS REST server.
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    // Make sure to connect to the region where the bucket is located..
    bool success = rest.Connect("s3-us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials for the REST call.
    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    // Use the correct region..
    authAws.put_Region("us-west-2");
    authAws.put_ServiceName("s3");

    success = rest.SetAuthAws(authAws);

    // Set the bucket name via the HOST header.
    // In this case, the bucket name is "chilkat.qa".
    // (Also make sure to use the correct region.)
    rest.put_Host("chilkat.qa.s3-us-west-2.amazonaws.com");

    // Load a text file into memory.
    CkBinData pngData;
    success = pngData.LoadFile("qa_data/png/anemone.png");
    if (success != true) {
        strOut.append("Failed to load file from local filesystem.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Indicate the Content-Type of our upload.  (This is optional)
    rest.AddHeader("Content-Type","image/png");

    // Upload the file to Amazon S3.
    CkStringBuilder sbResponse;
    success = rest.FullRequestBd("PUT","/images/sea_creatures/anemone.png",pngData,sbResponse);
    if (success != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Did we get a 200 response indicating success?
    int statusCode = rest.get_ResponseStatusCode();
    if (statusCode != 200) {
        strOut.append("Error response: ");
        strOut.append(sbResponse.getAsString());
        strOut.append("\r\n");
        strOut.append("Status code: ");
        strOut.appendInt(statusCode);
        strOut.append(", Status text: ");
        strOut.append(rest.responseStatusText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }