(Delphi DLL) Upload a Blob using a Container’s Shared Access Signature

See more Azure Cloud Storage Examples

Shows how to upload 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-upload-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, HttpResponse, Http;

...

procedure TForm1.Button1Click(Sender: TObject);
var
url: PWideChar;
http: HCkHttp;
resp: HCkHttpResponse;
statusCode: Integer;
url2: PWideChar;

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

// To upload a file we're simply sending a PUT with the content of the data.  For example:

// PUT https://myaccount.blob.core.windows.net/pictures/photo.jpg?sv=2015-02-21&st=2015-07-01T08%3a49Z&se=2015-07-02T08%3a49Z&  sr=c&sp=w&si=YWJjZGVmZw%3d%3d&sig=Rcp6gQRfV7WDlURdVTqCa%2bqEArnfJxDgE%2bKH3TCChIs%3d HTTP/1.1  
// Host: myaccount.blob.core.windows.net  
//   
// Content-Length: 12  
//   
// Hello World.  

// Upload a string to a helloWorld.txt file in the "mycontainer" container, in the "chilkat" account.
url := 'https://chilkat.blob.core.windows.net/mycontainer/helloWorld.txt?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';

http := CkHttp_Create();

CkHttp_SetRequestHeader(http,'x-ms-blob-type','BlockBlob');

resp := CkHttp_PText(http,'PUT',url,'Hello World.','utf-8','text/plain',False,False);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

statusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('response status code: ' + IntToStr(statusCode));
Memo1.Lines.Add('response status text: ' + CkHttpResponse__statusText(resp));
CkHttpResponse_Dispose(resp);

if (statusCode = 201) then
  begin
    Memo1.Lines.Add('Success.');
  end
else
  begin
    Memo1.Lines.Add('Failed.');
  end;

// -------------------------------------------------------------------------------------------------
// Upload from a file...

// Upload a binar file to a penguins.jpg file in the "mycontainer" container, in the "chilkat" account.
url2 := 'https://chilkat.blob.core.windows.net/mycontainer/penguins.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';

CkHttp_ClearHeaders(http);
CkHttp_SetRequestHeader(http,'x-ms-blob-type','BlockBlob');

// Upload a JPG file
resp := CkHttp_PFile(http,'PUT',url2,'c:/qa_data/jpg/penguins.jpg','image/jpeg',False,False);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

statusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('response status code: ' + IntToStr(statusCode));
Memo1.Lines.Add('response status text: ' + CkHttpResponse__statusText(resp));
CkHttpResponse_Dispose(resp);

if (statusCode = 201) then
  begin
    Memo1.Lines.Add('Success.');
  end
else
  begin
    Memo1.Lines.Add('Failed.');
  end;

CkHttp_Dispose(http);

end;