(Delphi DLL) MyInvois Malaysia Login as Intermediary System

See more Malaysia MyInvois Examples

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://sdk.myinvois.hasil.gov.my/api/08-login-as-intermediary-system/

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, Http, HttpRequest, HttpResponse, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
req: HCkHttpRequest;
resp: HCkHttpResponse;
json: HCkJsonObject;
access_token: PWideChar;
expires_in: Integer;
token_type: PWideChar;
scope: PWideChar;

begin
success := False;

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

// Sends the following HTTP POST to get a MyInvois OAUth2 access token using client_credentials

// POST /connect/token HTTP/1.1
// Host: preprod-api.myinvois.hasil.gov.my
// Accept: */*
// Content-Length: <<variable>>
// Content-Type: application/x-www-form-urlencoded
// onbehalfof: C25845632020
// 
// client_id={YOUR_CLIENT_ID}&client_secret={YOUR_CLIENT_SECRET}&grant_type=client_credentials&scope=InvoicingAPI

http := CkHttp_Create();

req := CkHttpRequest_Create();

CkHttpRequest_AddHeader(req,'onbehalfof','C25845632020');

CkHttpRequest_AddParam(req,'grant_type','client_credentials');
CkHttpRequest_AddParam(req,'client_id','YOUR_CLIENT_ID');
CkHttpRequest_AddParam(req,'client_secret','YOUR_CLIENT_SECRET');
CkHttpRequest_AddParam(req,'scope','InvoicingAPI');

CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putContentType(req,'application/x-www-form-urlencoded');

resp := CkHttpResponse_Create();
success := CkHttp_HttpReq(http,'https://preprod-api.myinvois.hasil.gov.my/connect/token',req,resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

// Note: The returned access token is valid for a short amount of time.  Perhaps 1 hour.
// The access token is used in the "Authorization: Bearer <access_token>" header in subsequent requests until it expires.
// Your application would then need to get a new access token, and so on..

Memo1.Lines.Add('Response Status Code: ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));

// Here's a sample response:

// {
//   "access_token": "eyJhbGciOiJSUzI1...",
//   "expires_in": 3600,
//   "token_type": "Bearer",
//   "scope": "InvoicingAPI"
// }

json := CkJsonObject_Create();
CkJsonObject_Load(json,CkHttpResponse__bodyStr(resp));
access_token := CkJsonObject__stringOf(json,'access_token');
expires_in := CkJsonObject_IntOf(json,'expires_in');
token_type := CkJsonObject__stringOf(json,'token_type');
scope := CkJsonObject__stringOf(json,'scope');

// To use an access token in a MyInvois API call, see Using a MyInvois Access Token in an API Request

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(json);

end;