1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.permission;
18 
19 import android.annotation.NonNull;
20 import android.annotation.Nullable;
21 import android.annotation.UserIdInt;
22 
23 /**
24  * Internal interfaces to be used by other components within the system server.
25  *
26  * <p>Only for use within the system server.
27  *
28  * @hide
29  */
30 public interface PermissionManagerInternal {
31     /**
32      * Get the state of the runtime permissions as a blob.
33      *
34      * @param userId The user ID the data should be extracted for
35      *
36      * @return the state as a blob
37      */
38     //@SystemApi(client = SystemApi.Client.SYSTEM_SERVER)
39     @Nullable
backupRuntimePermissions(@serIdInt int userId)40     byte[] backupRuntimePermissions(@UserIdInt int userId);
41 
42     /**
43      * Restore a permission state previously backed up via {@link #backupRuntimePermissions}.
44      * <p>
45      * If not all state can be restored, the un-restorable state will be delayed and can be
46      * retried via {@link #restoreDelayedRuntimePermissions}.
47      *
48      * @param backup the state as a blob
49      * @param userId the user ID the data should be restored for
50      */
51     //@SystemApi(client = SystemApi.Client.SYSTEM_SERVER)
restoreRuntimePermissions(@onNull byte[] backup, @UserIdInt int userId)52     void restoreRuntimePermissions(@NonNull byte[] backup, @UserIdInt int userId);
53 
54     /**
55      * Try to apply permission backup of a package that was previously not applied.
56      *
57      * @param packageName the package that is newly installed
58      * @param userId the user ID the package is installed for
59      *
60      * @see #restoreRuntimePermissions
61      */
62     //@SystemApi(client = SystemApi.Client.SYSTEM_SERVER)
restoreDelayedRuntimePermissions(@onNull String packageName, @UserIdInt int userId)63     void restoreDelayedRuntimePermissions(@NonNull String packageName,
64             @UserIdInt int userId);
65 }
66