Pascal (Lazarus/Delphi)

OCSP Check Domain's Server Certificate Revocation Status

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Sends an OCSP request to determine the revocation status for an SSL server certificate. 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.Http;

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

procedure RunDemo;
var
  http: THttp;
  status: Integer;

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

  http := THttp.Create;

  //  Check the revocation status of the SSL server certificate for chilkatsoft.com
  status := http.OcspCheck('chilkatsoft.com',443);

  WriteLn('chilkatsoft.com status = ' + status);

  //  The status can have 4 values:
  //  -1: Unable to check because of an error.
  //   0: Good
  //   1: Revoked
  //   2: Unknown

  if (status < 0) then
    begin
      WriteLn(http.LastErrorText);
    end;

  //  Now check the status for a revoked server certificate.
  status := http.OcspCheck('revoked.badssl.com',443);

  WriteLn('revoked.badssl.com status = ' + status);


  http.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.