Pascal (Lazarus/Delphi)

Get Certificate Policy

See more Certificates Examples

Demonstrates how to get a certificate's policy OIDs (if any) 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.Cert,
  Chilkat.Xml;

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

procedure RunDemo;
var
  success: Boolean;
  cert: TCert;
  oid: string;
  strXml: string;
  xml: TXml;

begin
  success := False;

  cert := TCert.Create;

  success := cert.LoadFromFile('qa_data/certs/sample.cer');
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;

  //  The certificatePolicies OID is 2.5.29.32
  oid := '2.5.29.32';
  strXml := cert.GetExtensionAsXml(oid);
  if (cert.LastMethodSuccess = True) then
    begin
      WriteLn(strXml);

      //  Sample result:
      //  <sequence><sequence><oid>2.16.840.1.101.2.1.11.39</oid></sequence></sequence>

      xml := TXml.Create;
      xml.LoadXml(strXml);
      WriteLn('Policy OID = ' + xml.GetChildContent('sequence|oid'));
    end;


  cert.Free;
      xml.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.