Delphi ActiveX

S3 Upload Binary File from BinData

See more Amazon S3 (new) Examples

Upload a binary file contained in a BinData object to Amazon S3. 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;
rest: TChilkatRest;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
authAws: TChilkatAuthAws;
pngData: TChilkatBinData;
sbResponse: TChilkatStringBuilder;
statusCode: Integer;

begin
success := 0;

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

rest := TChilkatRest.Create(Self);

// Connect to the Amazon AWS REST server.
bTls := 1;
port := 443;
bAutoReconnect := 1;
// Make sure to connect to the region where the bucket is located..
success := rest.Connect('s3-us-west-2.amazonaws.com',port,bTls,bAutoReconnect);

// Provide AWS credentials for the REST call.
authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := 'AWS_SECRET_KEY';
// Use the correct region..
authAws.Region := 'us-west-2';
authAws.ServiceName := 's3';

success := rest.SetAuthAws(authAws.ControlInterface);

// 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.Host := 'chilkat.qa.s3-us-west-2.amazonaws.com';

// Load a text file into memory.
pngData := TChilkatBinData.Create(Self);
success := pngData.LoadFile('qa_data/png/anemone.png');
if (success <> 1) then
  begin
    Memo1.Lines.Add('Failed to load file from local filesystem.');
    Exit;
  end;

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

// Upload the file to Amazon S3.
sbResponse := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestBd('PUT','/images/sea_creatures/anemone.png',pngData.ControlInterface,sbResponse.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// Did we get a 200 response indicating success?
statusCode := rest.ResponseStatusCode;
if (statusCode <> 200) then
  begin
    Memo1.Lines.Add('Error response: ' + sbResponse.GetAsString());
    Memo1.Lines.Add('Status code: ' + IntToStr(statusCode) + ', Status text: ' + rest.ResponseStatusText);
    Exit;
  end;

Memo1.Lines.Add('File successfully uploaded.');
end;