Lazarus Pascal

Generate OAuth 1.0 Signature

Demonstrates how to generate an OAuth 1.0 signature. Lazarus Pascal

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.OAuth1;

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

procedure RunDemo;
var
  success: Boolean;
  oauth: TOAuth1;

begin
  success := False;

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

  success := False;

  oauth := TOAuth1.Create;

  //  Set input parameters:
  oauth.OauthVersion := '1.0';
  oauth.OauthMethod := 'GET';
  oauth.OauthUrl := 'http://echo.lab.madgex.com/echo.ashx';
  oauth.ConsumerKey := 'key';
  oauth.ConsumerSecret := 'secret';
  oauth.Token := 'accesskey';
  oauth.TokenSecret := 'accesssecret';
  oauth.Nonce := '01020304050607080102030405060708';
  oauth.Timestamp := '1441659763';
  //  Can be "HMAC-SHA1", "HMAC-SHA256", "RSA-SHA1", or "RSA-SHA2"
  oauth.SignatureMethod := 'HMAC-SHA256';

  success := oauth.Generate();
  if (success <> True) then
    begin
      WriteLn(oauth.LastErrorText);
      Exit;
    end;

  //  Examine the various outputs:

  WriteLn(oauth.QueryString);
  WriteLn(oauth.BaseString);
  WriteLn(oauth.HmacKey);
  WriteLn(oauth.Signature);
  WriteLn(oauth.EncodedSignature);
  WriteLn(oauth.AuthorizationHeader);
  WriteLn(oauth.GeneratedUrl);


  oauth.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.