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 com.android.permissioncontroller.role.utils; 18 19 import android.content.Context; 20 import android.os.Process; 21 import android.os.UserHandle; 22 import android.os.UserManager; 23 24 import androidx.annotation.NonNull; 25 import androidx.annotation.Nullable; 26 27 import com.android.modules.utils.build.SdkLevel; 28 29 import java.util.List; 30 import java.util.Objects; 31 32 /** 33 * Utility methods about user. 34 */ 35 public class UserUtils { 36 UserUtils()37 private UserUtils() {} 38 39 /** 40 * Get the work profile of current user, if any. 41 * 42 * @param context the {@code Context} to retrieve system services 43 * 44 * @return the work profile of current user, or {@code null} if none 45 */ 46 @Nullable getWorkProfile(@onNull Context context)47 public static UserHandle getWorkProfile(@NonNull Context context) { 48 UserManager userManager = context.getSystemService(UserManager.class); 49 List<UserHandle> profiles = userManager.getUserProfiles(); 50 UserHandle user = Process.myUserHandle(); 51 52 int profilesSize = profiles.size(); 53 for (int i = 0; i < profilesSize; i++) { 54 UserHandle profile = profiles.get(i); 55 56 if (Objects.equals(profile, user)) { 57 continue; 58 } 59 if (!userManager.isManagedProfile(profile.getIdentifier())) { 60 continue; 61 } 62 return profile; 63 } 64 return null; 65 } 66 67 /** 68 * Get the private profile of current user, if any. 69 * 70 * @param context the {@code Context} to retrieve system services 71 * 72 * @return the private profile of current user, or {@code null} if none 73 */ 74 @Nullable getPrivateProfile(@onNull Context context)75 public static UserHandle getPrivateProfile(@NonNull Context context) { 76 if (!SdkLevel.isAtLeastV()) { 77 return null; 78 } 79 80 List<UserHandle> profiles = context.getSystemService(UserManager.class).getUserProfiles(); 81 UserHandle user = Process.myUserHandle(); 82 83 int profilesSize = profiles.size(); 84 for (int i = 0; i < profilesSize; i++) { 85 UserHandle profile = profiles.get(i); 86 87 if (Objects.equals(profile, user)) { 88 continue; 89 } 90 if (isPrivateProfile(profile, context)) { 91 return profile; 92 } 93 } 94 return null; 95 } 96 isPrivateProfile(@onNull UserHandle userHandle, @NonNull Context context)97 private static boolean isPrivateProfile(@NonNull UserHandle userHandle, 98 @NonNull Context context) { 99 if (!SdkLevel.isAtLeastV() || !android.os.Flags.allowPrivateProfile()) { 100 return false; 101 } 102 Context userContext = context.createContextAsUser(userHandle, /* flags= */ 0); 103 return userContext.getSystemService(UserManager.class).isPrivateProfile(); 104 } 105 106 /** 107 * Create a context for a user. 108 * 109 * @param context The context to clone 110 * @param user The user the new context should be for 111 * 112 * @return The context for the new user 113 */ 114 @NonNull getUserContext(@onNull Context context, @NonNull UserHandle user)115 public static Context getUserContext(@NonNull Context context, @NonNull UserHandle user) { 116 if (Process.myUserHandle().equals(user)) { 117 return context; 118 } else { 119 return context.createContextAsUser(user, 0); 120 } 121 } 122 } 123