Pascal (Lazarus/Delphi)

FTPS with Mutual TLS Authentication (TLS Client Certificate)

See more FTP Examples

Demonstrates how to do mutual TLS authentication (using a client certificate from a .pfx/.p12). Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Ftp2,
  Chilkat.Cert;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  ftp: TFtp2;
  cert: TCert;

begin
  success := False;

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

  ftp := TFtp2.Create;

  ftp.Hostname := 'ftp.example.com';
  ftp.Port := 21;

  //  If using implicit TLS, you probably want port 990..
  ftp.Port := 990;

  //  Set this to False for implicit TLS, otherwise set to True for explicit TLS (where port is typically 21).
  ftp.AuthTls := False;

  //  Set this to True for implicit TLS, otherwise set to False.
  ftp.Ssl := True;

  cert := TCert.Create;
  success := cert.LoadPfxFile('qa_data/pfx/example.pfx','pfx_password');
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;

  //  Use this certificate for our TLS mutually authenticated connection:
  success := ftp.SetSslClientCert(cert);
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;

  //  Establish the TLS connection with the FTP server.
  success := ftp.ConnectOnly();
  if (success = False) then
    begin
      WriteLn(ftp.LastErrorText);
      Exit;
    end;

  //  If a login is required, then login with the FTP account login/password.
  ftp.Username := 'myLogin';
  ftp.Password := 'myPassword';
  success := ftp.LoginAfterConnectOnly();
  if (success = False) then
    begin
      WriteLn(ftp.LastErrorText);
      Exit;
    end;

  //  Do whatever you're doing to do ...
  //  upload files, download files, etc...

  //  .....
  //  .....

  success := ftp.Disconnect();


  ftp.Free;
  cert.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.