@Override
        protected String doInBackground(String... strings) {
            URL url;
            HttpURLConnection urlConnection;
            List<NewPublicService> passwordManagersList = new ArrayList<>();
            List<NewPublicService> authenticatorsList = new ArrayList<>();

            try {
                url = new URL(strings[0]);
                urlConnection = (HttpURLConnection) url.openConnection();

                int responseCode = urlConnection.getResponseCode();
                if (responseCode == HttpURLConnection.HTTP_OK) {
                    response = readStream(urlConnection.getInputStream());
                    Log.v("Response", response);
                    JSONArray jsonArray = null;
                    try {
                        jsonArray = new JSONArray(response);
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                    for (int i = 0; i < jsonArray.length(); i++) {
                        try {
                            NewPublicService newPublicService = new NewPublicService();
                            JSONObject jsonObject = new JSONObject(jsonArray.get(i).toString());
                            newPublicService.setN((String) jsonObject.get("n"));
                            newPublicService.setR((Boolean) jsonObject.get("r"));
                            newPublicService.setS((Boolean) jsonObject.get("s"));
                            String test = String.valueOf(jsonObject.get("i"));
                            Long L = Long.valueOf(test);
                            newPublicService.setI(L);
                            newPublicService.setU((long) jsonObject.get("u"));
                            try {
                                if (!newPublicService.getS()) {
                                    //add to password manager list
                                    passwordManagersList.add(newPublicService);
                                } else {
                                    //add to auth list
                                    authenticatorsList.add(newPublicService);
                                }
                            } catch (OutOfMemoryError error) {
                                error.printStackTrace();
                                break;
                            }
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                    try {
                        PasswordManagersListPref.with(Engine.getInstance().getContext()).savePasswordManagerList(Engine.getInstance().getContext(), passwordManagersList);
                        AuthenticatorsListPref.with(Engine.getInstance().getContext()).saveAuthenticatorsList(Engine.getInstance().getContext(), authenticatorsList);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            return null;
        }