(Delphi DLL) S3 Upload a File with Public Read Permissions

Demonstrates how to upload a file to the Amazon S3 service with the x-amz-acl request header set to "public-read" to allow the file to be publicly downloadable.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
bucketName: PWideChar;
objectName: PWideChar;
localFilePath: PWideChar;
contentType: PWideChar;
success: Boolean;

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

http := CkHttp_Create();

// Insert your AWS keys here:
CkHttp_putAwsAccessKey(http,'AWS_ACCESS_KEY');
CkHttp_putAwsSecretKey(http,'AWS_SECRET_KEY');

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

// Add the x-amz-acl request header to make the file publicly readable.
CkHttp_SetRequestHeader(http,'x-amz-acl','public-read');

success := CkHttp_S3_UploadFile(http,localFilePath,contentType,bucketName,objectName);

if (success <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;
if (CkHttp_getLastStatus(http) = 200) then
  begin
    Memo1.Lines.Add('File uploaded.');
  end
else
  begin
    Memo1.Lines.Add('Response status code: ' + IntToStr(CkHttp_getLastStatus(http)));
    Memo1.Lines.Add(CkHttp__lastResponseBody(http));
  end;

CkHttp_Dispose(http);

end;