(Delphi DLL) SugarCRM Authenticate

Demonstrates how to authenticate to the SugarCRM REST v10 API. This is how an OAuth2 access token is obtained.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, StringBuilder, Rest, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
rest: HCkRest;
success: Boolean;
jsonReq: HCkJsonObject;
sbReq: HCkStringBuilder;
sbJson: HCkStringBuilder;
json: HCkJsonObject;
access_token: PWideChar;
expires_in: Integer;
token_type: PWideChar;
scope: Boolean;
refresh_token: PWideChar;
refresh_expires_in: Integer;
download_token: PWideChar;

begin
rest := CkRest_Create();

success := CkRest_Connect(rest,'your.site.domain',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

CkRest_AddHeader(rest,'Cache-Control','no-cache');

// The following code creates the JSON request body.
// The JSON created by this code is shown below.
jsonReq := CkJsonObject_Create();
CkJsonObject_UpdateString(jsonReq,'grant_type','password');
CkJsonObject_UpdateString(jsonReq,'client_id','sugar');
CkJsonObject_UpdateString(jsonReq,'client_secret','CLIENT_SECRET');
CkJsonObject_UpdateString(jsonReq,'username','admin');
CkJsonObject_UpdateString(jsonReq,'password','password');
CkJsonObject_UpdateString(jsonReq,'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 := CkStringBuilder_Create();
CkJsonObject_EmitSb(jsonReq,sbReq);

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

sbJson := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/rest/v10/oauth2/token',sbReq,sbJson);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

if (CkRest_getResponseStatusCode(rest) <> 200) then
  begin
    Memo1.Lines.Add('Received error response code: ' + IntToStr(CkRest_getResponseStatusCode(rest)));
    Memo1.Lines.Add('Response body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbJson));
    Exit;
  end;

json := CkJsonObject_Create();
CkJsonObject_LoadSb(json,sbJson);

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

access_token := CkJsonObject__stringOf(json,'access_token');
expires_in := CkJsonObject_IntOf(json,'expires_in');
token_type := CkJsonObject__stringOf(json,'token_type');
scope := CkJsonObject_IsNullOf(json,'scope');
refresh_token := CkJsonObject__stringOf(json,'refresh_token');
refresh_expires_in := CkJsonObject_IntOf(json,'refresh_expires_in');
download_token := CkJsonObject__stringOf(json,'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"
// }

Memo1.Lines.Add('Example Completed.');

CkRest_Dispose(rest);
CkJsonObject_Dispose(jsonReq);
CkStringBuilder_Dispose(sbReq);
CkStringBuilder_Dispose(sbJson);
CkJsonObject_Dispose(json);

end;