Delphi ActiveX

Backblaze S3 Upload File

See more Backblaze S3 Examples

Demonstrates how to upload a file to a Backblaze bucket.

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.

Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
http: TChilkatHttp;
bucketName: WideString;
objectName: WideString;
localFilePath: WideString;
contentType: WideString;
xml: TChilkatXml;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

// keyID = Access Key ID or Access Key
http.AwsAccessKey := 'access-key';

// applicationKey = Secret Access Key or Secret Key
http.AwsSecretKey := 'secret-key';

// Region is the 2nd part of your S3 Endpoint
http.AwsEndpoint := 's3.us-west-002.backblazeb2.com';

bucketName := 'chilkat-test';
objectName := 'seahorse.jpg';
localFilePath := 'qa_data/jpg/seahorse.jpg';
contentType := 'image/jpg';

http.KeepResponseBody := 1;

success := http.S3_UploadFile(localFilePath,contentType,bucketName,objectName);

if (success <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);

    xml := TChilkatXml.Create(Self);
    xml.LoadXml(http.LastResponseBody);
    Memo1.Lines.Add(xml.GetXml());
  end
else
  begin
    Memo1.Lines.Add('File uploaded.');
  end;
end;