Pascal (Lazarus/Delphi)

Verify a Zip's Password

See more Zip Examples

Demonstrates how to verify the password for an encrypted or password-protected zip archive. 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.Zip;

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

procedure RunDemo;
var
  success: Boolean;
  zip: TZip;
  passwordOk: Boolean;

begin
  success := False;

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

  zip := TZip.Create;

  //  To verify a password for a Zip, the Zip must be opened:
  success := zip.OpenZip('myProtected.zip');
  if (success <> True) then
    begin
      WriteLn(zip.LastErrorText);
      Exit;
    end;

  //  Set the password to be verified:
  zip.DecryptPassword := 'secret';

  passwordOk := zip.VerifyPassword();
  if (passwordOk = True) then
    begin
      WriteLn('Password is correct.');
    end
  else
    begin
      WriteLn('Password is incorrect.');
    end;

  zip.CloseZip();


  zip.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.