chromeos/crosapi/mojom/login_screen_storage.mojom

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module crosapi.mojom;

[Stable]
union LoginScreenStorageRetrieveResult {
  // Implies failure.
  string error_message;

  // Implies success.
  string data;
};

// Copy of LoginScreenStorageMetadata from login_screen_storage.proto.
[Stable]
struct LoginScreenStorageMetadata {
  // Whether the saved key/value pair should be deleted on session exit.
  bool clear_on_session_exit@0;
};

// This API allows Lacros to store and retrieve data from the login screen
// storage.
[Stable, Uuid="ba85caf8-08f2-4404-add7-2343ea9ac943"]
interface LoginScreenStorage {
  // Stores data to the login screen storage that needs to be accessible from
  // multiple extensions. Each key should contain the calling extension's ID and
  // the ID of the extension the data should be available from.
  Store@0(array<string> keys,
          LoginScreenStorageMetadata metadata,
          string data) => (string? error_message);

  // Retrieves the data that was previously stored for the given key.
  Retrieve@1(string key) => (LoginScreenStorageRetrieveResult result);
};