(MFC) Backblaze S3 Download String

See more Backblaze S3 Examples

Demonstrates how to download a textual object into a string variable.

The Chilkat S3 functions in the HTTP class are compatible with the Backblaze service. However, because of some specific issues, Chilkat v9.5.0.89 or later is needed.

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

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;

    // keyID = Access Key ID or Access Key
    http.put_AwsAccessKey("access-key");

    // applicationKey = Secret Access Key or Secret Key
    http.put_AwsSecretKey("secret-key");

    // Region is the 2nd part of your S3 Endpoint
    http.put_AwsEndpoint("s3.us-west-002.backblazeb2.com");

    const char *bucketName = "chilkat-test";
    const char *objectName = "orchard.json";

    // This is the byte representation of the text file downloaded from Backblaze.
    // It must be specified to allow Chilkat to correctly interpret the bytes as characters.
    const char *charset = "utf-8";

    const char *fileContents = http.s3_DownloadString(bucketName,objectName,charset);

    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
    }
    else {
        strOut.append(fileContents);
        strOut.append("\r\n");
        strOut.append("Success.");
        strOut.append("\r\n");
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }