Pascal (Lazarus/Delphi)

SugarCRM Authenticate

See more SugarCRM Examples

Demonstrates how to authenticate to the SugarCRM REST v10 API. This is how an OAuth2 access token is obtained. 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.StringBuilder,
  Chilkat.Rest,
  Chilkat.JsonObject;

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

procedure RunDemo;
var
  success: Boolean;
  rest: TRest;
  jsonReq: TJsonObject;
  sbReq: TStringBuilder;
  sbJson: TStringBuilder;
  json: TJsonObject;
  access_token: string;
  expires_in: Integer;
  token_type: string;
  scope: Boolean;
  refresh_token: string;
  refresh_expires_in: Integer;
  download_token: string;

begin
  success := False;

  rest := TRest.Create;

  success := rest.Connect('your.site.domain',443,True,True);
  if (success <> True) then
    begin
      WriteLn(rest.LastErrorText);
      Exit;
    end;

  rest.AddHeader('Cache-Control','no-cache');

  //  The following code creates the JSON request body.
  //  The JSON created by this code is shown below.
  jsonReq := TJsonObject.Create;
  jsonReq.UpdateString('grant_type','password');
  jsonReq.UpdateString('client_id','sugar');
  jsonReq.UpdateString('client_secret','CLIENT_SECRET');
  jsonReq.UpdateString('username','admin');
  jsonReq.UpdateString('password','password');
  jsonReq.UpdateString('platform','custom_api');

  //  The JSON request body created by the above code:

  //  {
  //    "grant_type": "password",
  //    "client_id": "sugar",
  //    "client_secret": "CLIENT_SECRET",
  //    "username": "admin",
  //    "password": "password",
  //    "platform": "custom_api"
  //  }

  sbReq := TStringBuilder.Create;
  jsonReq.EmitSb(sbReq);

  rest.AddHeader('Content-Type','application/json');

  sbJson := TStringBuilder.Create;
  success := rest.FullRequestSb('POST','/rest/v10/oauth2/token',sbReq,sbJson);
  if (success <> True) then
    begin
      WriteLn(rest.LastErrorText);
      Exit;
    end;

  if (rest.ResponseStatusCode <> 200) then
    begin
      WriteLn('Received error response code: ' + rest.ResponseStatusCode);
      WriteLn('Response body:');
      WriteLn(sbJson.GetAsString());
      Exit;
    end;

  json := TJsonObject.Create;
  json.LoadSb(sbJson);

  //  The following code parses the JSON response.
  //  A sample JSON response is shown below the sample code.

  access_token := json.StringOf('access_token');
  expires_in := json.IntOf('expires_in');
  token_type := json.StringOf('token_type');
  scope := json.IsNullOf('scope');
  refresh_token := json.StringOf('refresh_token');
  refresh_expires_in := json.IntOf('refresh_expires_in');
  download_token := json.StringOf('download_token');

  //  A sample JSON response body that is parsed by the above code:

  //  {
  //    "access_token": "c6d495c9-bb25-81d2-5f81-533ef6479f9b",
  //    "expires_in": 3600,
  //    "token_type": "bearer",
  //    "scope": null,
  //    "refresh_token": "cbc40e67-12bc-4b56-a1d9-533ef62f2601",
  //    "refresh_expires_in": 1209600,
  //    "download_token": "cc5d1a9f-6627-3349-96e5-533ef6b1a493"
  //  }

  WriteLn('Example Completed.');


  rest.Free;
  jsonReq.Free;
  sbReq.Free;
  sbJson.Free;
  json.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.