(Delphi DLL) Generate S3 Signed URL

Demonstrates how to generate a pre-signed S3 URL.

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, CkDateTime, Http;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
bucketName: PWideChar;
path: PWideChar;
expireTime: HCkDateTime;
bLocalTime: Boolean;
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,'ABQXXABC83ABCDEFVQXX');

// Insert your secret key here:
CkHttp_putAwsSecretKey(http,'XXXXYYYYabcdABCD12345678xxxxyyyyzzzz');

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

expireTime := CkDateTime_Create();
CkDateTime_SetFromCurrentSystemTime(expireTime);
bLocalTime := False;
// Set the expiration time to 1 hour from the current time.
CkDateTime_SetFromUnixTime(expireTime,bLocalTime,CkDateTime_GetAsUnixTime(expireTime,bLocalTime) + 3600);

signedUrl := CkHttp__s3_GenerateUrl(http,bucketName,path,expireTime);

if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
  end
else
  begin
    Memo1.Lines.Add(signedUrl);
  end;

CkHttp_Dispose(http);
CkDateTime_Dispose(expireTime);

end;