(Delphi DLL) HTTP POST with Binary Data in Request Body

Do an HTTPS POST with a binary request body.

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, FileAccess, CkByteData;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
success: Boolean;
fac: HCkFileAccess;
reqBody: HCkByteData;
responseStr: PWideChar;
responseStatusCode: Integer;

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

http := CkHttp_Create();

fac := CkFileAccess_Create();

reqBody := CkByteData_Create();
success := CkFileAccess_ReadEntireFile(fac,'qa_data/pdf/helloWorld.pdf',reqBody);

responseStr := CkHttp__postBinary(http,'https://example.com/something',reqBody,'application/pdf',False,False);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

responseStatusCode := CkHttp_getLastStatus(http);
Memo1.Lines.Add('Status code: ' + IntToStr(responseStatusCode));

// For example, if the response is XML, JSON, HTML, etc.
Memo1.Lines.Add('response body:');
Memo1.Lines.Add(responseStr);

CkHttp_Dispose(http);
CkFileAccess_Dispose(fac);
CkByteData_Dispose(reqBody);

end;