Message Requests: Add new "Report spam and block" button

ts/util/connectToServerWithStoredCredentials.ts

@@ -0,0 +1,30 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { WebAPIConnectType, WebAPIType } from '../textsecure/WebAPI';
+
+// We define a stricter storage here that returns `unknown` instead of `any`.
+type Storage = {
+  get(key: string): unknown;
+};
+
+export function connectToServerWithStoredCredentials(
+  WebAPI: WebAPIConnectType,
+  storage: Storage
+): 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 });
+}