1 /*
2  * Copyright (C) 2021 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 package com.android.car.user;
17 
18 import android.annotation.NonNull;
19 import android.annotation.Nullable;
20 import android.annotation.UserIdInt;
21 import android.car.builtin.os.UserManagerHelper;
22 import android.content.Context;
23 import android.os.UserHandle;
24 import android.os.UserManager;
25 
26 import java.util.List;
27 
28 /**
29  * Helper class to get User properties using UserHandle
30  */
31 //TODO(b/214340360) : Add unit test
32 public final class UserHandleHelper {
33 
34     private final Context mContext;
35     private final UserManager mUserManager;
36 
UserHandleHelper(@onNull Context context, @NonNull UserManager userManager)37     public UserHandleHelper(@NonNull Context context, @NonNull UserManager userManager) {
38         mContext = context;
39         mUserManager = userManager;
40     }
41 
42     /**
43      * Gets user handle if user exists
44      */
45     @Nullable
getExistingUserHandle(@serIdInt int userId)46     public UserHandle getExistingUserHandle(@UserIdInt int userId) {
47         List<UserHandle> users = UserManagerHelper.getUserHandles(mUserManager,
48                 /* excludeDying= */ false);
49 
50         for (UserHandle user : users) {
51             if (user.getIdentifier() == userId) return user;
52         }
53         return null;
54     }
55 
56     /**
57      * Get enabled profiles
58      */
59     @NonNull
getEnabledProfiles(@serIdInt int userId)60     public List<UserHandle> getEnabledProfiles(@UserIdInt int userId) {
61         return getUserContextAwareUserManager(userId).getEnabledProfiles();
62     }
63 
64     /**
65      * Is User a guest user?
66      */
isGuestUser(UserHandle user)67     public boolean isGuestUser(UserHandle user) {
68         return getUserContextAwareUserManager(user.getIdentifier()).isGuestUser();
69     }
70 
71     /**
72      * Is User an admin user?
73      */
isAdminUser(UserHandle user)74     public boolean isAdminUser(UserHandle user) {
75         return getUserContextAwareUserManager(user.getIdentifier()).isAdminUser();
76     }
77 
78     /**
79      * Is User an ephemeral user?
80      */
isEphemeralUser(UserHandle user)81     public boolean isEphemeralUser(UserHandle user) {
82         return UserManagerHelper.isEphemeralUser(mUserManager, user);
83     }
84 
85     /**
86      * Is User enabled?
87      */
isEnabledUser(UserHandle user)88     public boolean isEnabledUser(UserHandle user) {
89         return UserManagerHelper.isEnabledUser(mUserManager, user);
90     }
91 
92     /**
93      * Is User a managed profile?
94      */
isManagedProfile(UserHandle user)95     public boolean isManagedProfile(UserHandle user) {
96         return mUserManager.isManagedProfile(user.getIdentifier());
97     }
98 
99     /**
100      * Is user for a profile?
101      */
isProfileUser(UserHandle user)102     public boolean isProfileUser(UserHandle user) {
103         return getUserContextAwareUserManager(user.getIdentifier()).isProfile();
104     }
105 
106     /**
107      * Is User Initialized?
108      */
isInitializedUser(UserHandle user)109     public boolean isInitializedUser(UserHandle user) {
110         return UserManagerHelper.isInitializedUser(mUserManager, user);
111     }
112 
getUserContextAwareUserManager(@serIdInt int userId)113     private UserManager getUserContextAwareUserManager(@UserIdInt int userId) {
114         Context userContext = mContext.createContextAsUser(UserHandle.of(userId), /* flags= */ 0);
115         return userContext.getSystemService(UserManager.class);
116     }
117 }
118