(Delphi DLL) Get a Blob using a Container's Shared Access Signature

See more Azure Cloud Storage Examples

Shows how to download an Azure blob using a URL with a shared access signature.

For more information, see https://learn.microsoft.com/en-us/rest/api/storageservices/service-sas-examples#example-get-a-blob-using-a-containers-shared-access-signature

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
url: PWideChar;
http: HCkHttp;
success: Boolean;

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

url := 'https://chilkat.blob.core.windows.net/mycontainer/starfish.jpg?sv=2021-06-08&ss=bfqt&srt=sco&sp=rwdlacupiyx&se=2023-02-12T21:30:53Z&st=2023-02-12T13:30:53Z&spr=https&sig=HB8CoZiD7EJD1rQNIVnLl%2Bq7kyLcOCnSXR14TadBv6s%3D';

// To download to a file, pass the full URL with query params to the Download method.
http := CkHttp_Create();
success := CkHttp_Download(http,url,'c:/someDir/starfish.jpg');
if (success = False) then
  begin
    Memo1.Lines.Add('response status code: ' + IntToStr(CkHttp_getLastStatus(http)));
    Memo1.Lines.Add('response status text: ' + CkHttp__lastStatusText(http));
    Exit;
  end;

Memo1.Lines.Add('Success.');

CkHttp_Dispose(http);

end;