using refresh token now

main.go

@@ -140,16 +140,39 @@ func main() {
 				}
 
 			}
-			os.MkdirAll(filepath.Join(dir, "minecraft_test"), 0755)
-			f, _ := os.OpenFile(filepath.Join(dir, "minecraft_test", "authentication.json"), os.O_CREATE|os.O_RDWR, 0755)
-			defer f.Close()
-			data, _ = json.Marshal(auth.Access)
-			f.Write(data)
 		} else {
 			f, _ := os.OpenFile(filepath.Join(dir, "minecraft_test", "authentication.json"), os.O_CREATE|os.O_RDWR, 0755)
 			data, _ := io.ReadAll(f)
 			json.Unmarshal(data, &auth.Access)
+			resp, err := http.PostForm("https://login.microsoftonline.com/consumers/oauth2/v2.0/token", url.Values{
+				"client_id":   {client_id},
+				"grant_type":  {"refresh_token"},
+				"refresh_token": {auth.Access.Refresh_token},
+				"scope":     {"XboxLive.SignIn XboxLive.offline_access"},
+			})
+			if err != nil {
+				fmt.Printf("Authentication Request Error: %s\n", err)
+			}
+			defer resp.Body.Close()
+			//if resp.StatusCode != 200 {
+			//	fmt.Printf("Authentication Request Error: %s\n", resp.Status)
+			//}
+			data, _ = io.ReadAll(resp.Body)
+			authResp := authenticationResp{}
+			json.Unmarshal(data, &authResp)
+			if authResp.Error == "" {
+				fmt.Printf("Authenticated!\n")
+				auth.Access = authResp
+			}
+
+
 		}
+		os.MkdirAll(filepath.Join(dir, "minecraft_test"), 0755)
+		f, _ := os.OpenFile(filepath.Join(dir, "minecraft_test", "authentication.json"), os.O_CREATE|os.O_RDWR, 0755)
+		defer f.Close()
+		data, _ := json.Marshal(auth.Access)
+		f.Write(data)
+
 		req, _ := json.Marshal(xboxAuthRequest{Properties: xboxAuthProperties{AuthMethod: "RPS", SiteName: "user.auth.xboxlive.com", RpsTicket: "d=" + auth.Access.Access_token}, RelyingParty: "http://auth.xboxlive.com", TokenType: "JWT"})
 		client := http.Client{}
 		httpReq, _ := http.NewRequest("POST", "https://user.auth.xboxlive.com/user/authenticate", bytes.NewBuffer(req))