| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.permissioncontroller.permission.utils; |
| |
| import android.Manifest; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.Context; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.ArraySet; |
| |
| import com.android.modules.utils.build.SdkLevel; |
| |
| /** |
| * A class for dealing with permissions that the admin may not grant in certain configurations. |
| */ |
| public final class AdminRestrictedPermissionsUtils { |
| /** |
| * A set of permissions that the Profile Owner cannot grant and that the Device Owner |
| * could potentially grant (depending on opt-out state). |
| */ |
| private static final ArraySet<String> ADMIN_RESTRICTED_SENSORS_PERMISSIONS = new ArraySet<>(); |
| |
| static { |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.ACCESS_FINE_LOCATION); |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.ACCESS_BACKGROUND_LOCATION); |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.ACCESS_COARSE_LOCATION); |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.CAMERA); |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.RECORD_AUDIO); |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.ACTIVITY_RECOGNITION); |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.BODY_SENSORS); |
| // New S permissions - do not add unless running on S and above. |
| if (SdkLevel.isAtLeastS()) { |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.BACKGROUND_CAMERA); |
| ADMIN_RESTRICTED_SENSORS_PERMISSIONS.add(Manifest.permission.RECORD_BACKGROUND_AUDIO); |
| } |
| } |
| |
| /** |
| * A set of permissions that the managed Profile Owner cannot grant. |
| */ |
| private static final ArraySet<String> MANAGED_PROFILE_OWNER_RESTRICTED_PERMISSIONS = |
| new ArraySet<>(); |
| |
| static { |
| MANAGED_PROFILE_OWNER_RESTRICTED_PERMISSIONS.add(Manifest.permission.READ_SMS); |
| } |
| |
| /** |
| * Returns true if the admin may grant this permission, false otherwise. |
| */ |
| public static boolean mayAdminGrantPermission(Context context, String permission, int userId) { |
| if (!SdkLevel.isAtLeastS()) { |
| return true; |
| } |
| Context userContext = context.createContextAsUser(UserHandle.of(userId), /* flags= */0); |
| DevicePolicyManager dpm = userContext.getSystemService(DevicePolicyManager.class); |
| UserManager um = userContext.getSystemService(UserManager.class); |
| if (um.isManagedProfile(userId) |
| && MANAGED_PROFILE_OWNER_RESTRICTED_PERMISSIONS.contains(permission)) { |
| return false; |
| } |
| if (!ADMIN_RESTRICTED_SENSORS_PERMISSIONS.contains(permission)) { |
| return true; |
| } |
| |
| return dpm.canAdminGrantSensorsPermissions(); |
| } |
| |
| /** |
| * Returns true if the admin may grant this permission, false otherwise. |
| */ |
| public static boolean mayAdminGrantPermission(String permission, |
| boolean canAdminGrantSensorsPermissions, boolean isManagedProfile) { |
| if (!SdkLevel.isAtLeastS()) { |
| return true; |
| } |
| if (isManagedProfile && MANAGED_PROFILE_OWNER_RESTRICTED_PERMISSIONS.contains(permission)) { |
| return false; |
| } |
| if (!ADMIN_RESTRICTED_SENSORS_PERMISSIONS.contains(permission)) { |
| return true; |
| } |
| |
| return canAdminGrantSensorsPermissions; |
| } |
| } |