1 /* 2 * Copyright (C) 2020 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.server.pm.permission; 18 19 import android.annotation.AppIdInt; 20 import android.annotation.NonNull; 21 import android.annotation.Nullable; 22 import android.os.UserHandle; 23 import android.util.ArraySet; 24 import android.util.SparseArray; 25 26 /** 27 * Permission state for a user. 28 */ 29 public final class UserPermissionState { 30 /** 31 * Whether the install permissions have been granted to a package, so that no install 32 * permissions should be added to it unless the package is upgraded. 33 */ 34 @NonNull 35 private final ArraySet<String> mInstallPermissionsFixed = new ArraySet<>(); 36 37 /** 38 * Maps from app ID to {@link UidPermissionState}. 39 */ 40 @NonNull 41 private final SparseArray<UidPermissionState> mUidStates = new SparseArray<>(); 42 areInstallPermissionsFixed(@onNull String packageName)43 public boolean areInstallPermissionsFixed(@NonNull String packageName) { 44 return mInstallPermissionsFixed.contains(packageName); 45 } 46 setInstallPermissionsFixed(@onNull String packageName, boolean fixed)47 public void setInstallPermissionsFixed(@NonNull String packageName, boolean fixed) { 48 if (fixed) { 49 mInstallPermissionsFixed.add(packageName); 50 } else { 51 mInstallPermissionsFixed.remove(packageName); 52 } 53 } 54 55 @Nullable getUidState(@ppIdInt int appId)56 public UidPermissionState getUidState(@AppIdInt int appId) { 57 checkAppId(appId); 58 return mUidStates.get(appId); 59 } 60 61 @NonNull getOrCreateUidState(@ppIdInt int appId)62 public UidPermissionState getOrCreateUidState(@AppIdInt int appId) { 63 checkAppId(appId); 64 UidPermissionState uidState = mUidStates.get(appId); 65 if (uidState == null) { 66 uidState = new UidPermissionState(); 67 mUidStates.put(appId, uidState); 68 } 69 return uidState; 70 } 71 removeUidState(@ppIdInt int appId)72 public void removeUidState(@AppIdInt int appId) { 73 checkAppId(appId); 74 mUidStates.delete(appId); 75 } 76 checkAppId(@ppIdInt int appId)77 private void checkAppId(@AppIdInt int appId) { 78 if (UserHandle.getUserId(appId) != 0) { 79 throw new IllegalArgumentException("Invalid app ID " + appId); 80 } 81 } 82 } 83