(Delphi DLL) Generate S3 Signed URL

Demonstrates how to generate a pre-signed S3 URL.

Note: This example requires Chilkat v11.0.0 or greater.

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;
path: PWideChar;
signedUrl: PWideChar;

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

http := CkHttp_Create();

// Insert your access key here:
CkHttp_putAwsAccessKey(http,'AWS_ACCESS_KEY');

// Insert your secret key here:
CkHttp_putAwsSecretKey(http,'AWS_SECRET_KEY');

CkHttp_putAwsRegion(http,'us-west-2');
CkHttp_putAwsEndpoint(http,'s3-us-west-2.amazonaws.com');

bucketName := 'chilkattest';
path := 'starfish.jpg';

signedUrl := CkHttp__s3_GenPresignedUrl(http,'GET',True,bucketName,path,3600,'s3');
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add(signedUrl);

CkHttp_Dispose(http);

end;