signal-desktop/ts/util/connectToServerWithStoredCredentials.ts

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

import type { WebAPIConnectType, WebAPIType } from '../textsecure/WebAPI';
import { StorageInterface } from '../types/Storage.d';

export function connectToServerWithStoredCredentials(
  WebAPI: WebAPIConnectType,
  storage: Pick<StorageInterface, 'get'>
): WebAPIType {
  const username = storage.get('uuid_id') || storage.get('number_id');
  if (typeof username !== 'string') {
    throw new Error(
      'Username in storage was not a string. Cannot connect to WebAPI'
    );
  }

  const password = storage.get('password');
  if (typeof password !== 'string') {
    throw new Error(
      'Password in storage was not a string. Cannot connect to WebAPI'
    );
  }

  return WebAPI.connect({ username, password });
}