Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.systemui.privacy |
| 18 | |
| 19 | import android.app.ActivityManager |
| 20 | import android.app.AppOpsManager |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 21 | import android.content.BroadcastReceiver |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 22 | import android.content.Context |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 23 | import android.content.Intent |
| 24 | import android.content.IntentFilter |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 25 | import android.os.Handler |
| 26 | import android.os.UserHandle |
| 27 | import android.os.UserManager |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 28 | import com.android.internal.annotations.VisibleForTesting |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 29 | import com.android.systemui.Dependency |
| 30 | import com.android.systemui.appops.AppOpItem |
| 31 | import com.android.systemui.appops.AppOpsController |
Fabian Kozynski | 508422b | 2018-12-20 10:58:17 -0500 | [diff] [blame] | 32 | import com.android.systemui.R |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 33 | import java.lang.ref.WeakReference |
| 34 | import javax.inject.Inject |
| 35 | import javax.inject.Singleton |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 36 | |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 37 | @Singleton |
| 38 | class PrivacyItemController @Inject constructor(val context: Context) { |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 39 | |
| 40 | companion object { |
| 41 | val OPS = intArrayOf(AppOpsManager.OP_CAMERA, |
| 42 | AppOpsManager.OP_RECORD_AUDIO, |
| 43 | AppOpsManager.OP_COARSE_LOCATION, |
| 44 | AppOpsManager.OP_FINE_LOCATION) |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 45 | val intents = listOf(Intent.ACTION_USER_FOREGROUND, |
| 46 | Intent.ACTION_MANAGED_PROFILE_ADDED, |
| 47 | Intent.ACTION_MANAGED_PROFILE_REMOVED) |
| 48 | const val TAG = "PrivacyItemController" |
Fabian Kozynski | 508422b | 2018-12-20 10:58:17 -0500 | [diff] [blame] | 49 | const val SYSTEM_UID = 1000 |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 50 | } |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 51 | private var privacyList = emptyList<PrivacyItem>() |
Fabian Kozynski | 508422b | 2018-12-20 10:58:17 -0500 | [diff] [blame] | 52 | |
Aurimas Liutikas | f1f63f6 | 2019-01-03 13:00:58 -0800 | [diff] [blame] | 53 | @Suppress("DEPRECATION") |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 54 | private val appOpsController = Dependency.get(AppOpsController::class.java) |
| 55 | private val userManager = context.getSystemService(UserManager::class.java) |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 56 | private var currentUserIds = emptyList<Int>() |
Aurimas Liutikas | f1f63f6 | 2019-01-03 13:00:58 -0800 | [diff] [blame] | 57 | @Suppress("DEPRECATION") |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 58 | private val bgHandler = Handler(Dependency.get(Dependency.BG_LOOPER)) |
Aurimas Liutikas | f1f63f6 | 2019-01-03 13:00:58 -0800 | [diff] [blame] | 59 | @Suppress("DEPRECATION") |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 60 | private val uiHandler = Dependency.get(Dependency.MAIN_HANDLER) |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 61 | private var listening = false |
Fabian Kozynski | 0d03da3 | 2019-01-28 10:35:28 -0500 | [diff] [blame^] | 62 | val systemApp = |
| 63 | PrivacyApplication(context.getString(R.string.device_services), SYSTEM_UID, context) |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 64 | private val callbacks = mutableListOf<WeakReference<Callback>>() |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 65 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 66 | private val notifyChanges = Runnable { |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 67 | callbacks.forEach { it.get()?.privacyChanged(privacyList) } |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 68 | } |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 69 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 70 | private val updateListAndNotifyChanges = Runnable { |
| 71 | updatePrivacyList() |
| 72 | uiHandler.post(notifyChanges) |
| 73 | } |
| 74 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 75 | private val cb = object : AppOpsController.Callback { |
| 76 | override fun onActiveStateChanged( |
| 77 | code: Int, |
| 78 | uid: Int, |
| 79 | packageName: String, |
| 80 | active: Boolean |
| 81 | ) { |
| 82 | val userId = UserHandle.getUserId(uid) |
| 83 | if (userId in currentUserIds) { |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 84 | update(false) |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 85 | } |
| 86 | } |
| 87 | } |
| 88 | |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 89 | @VisibleForTesting |
| 90 | internal var userSwitcherReceiver = Receiver() |
| 91 | set(value) { |
| 92 | context.unregisterReceiver(field) |
| 93 | field = value |
| 94 | registerReceiver() |
| 95 | } |
| 96 | |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 97 | private fun unregisterReceiver() { |
| 98 | context.unregisterReceiver(userSwitcherReceiver) |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | private fun registerReceiver() { |
| 102 | context.registerReceiverAsUser(userSwitcherReceiver, UserHandle.ALL, IntentFilter().apply { |
| 103 | intents.forEach { |
| 104 | addAction(it) |
| 105 | } |
| 106 | }, null, null) |
| 107 | } |
| 108 | |
| 109 | private fun update(updateUsers: Boolean) { |
| 110 | if (updateUsers) { |
| 111 | val currentUser = ActivityManager.getCurrentUser() |
| 112 | currentUserIds = userManager.getProfiles(currentUser).map { it.id } |
| 113 | } |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 114 | bgHandler.post(updateListAndNotifyChanges) |
| 115 | } |
| 116 | |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 117 | @VisibleForTesting |
| 118 | internal fun setListening(listen: Boolean) { |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 119 | if (listening == listen) return |
| 120 | listening = listen |
| 121 | if (listening) { |
| 122 | appOpsController.addCallback(OPS, cb) |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 123 | registerReceiver() |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 124 | update(true) |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 125 | } else { |
| 126 | appOpsController.removeCallback(OPS, cb) |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 127 | unregisterReceiver() |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 128 | } |
| 129 | } |
| 130 | |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 131 | private fun addCallback(callback: WeakReference<Callback>) { |
| 132 | callbacks.add(callback) |
| 133 | if (callbacks.isNotEmpty() && !listening) setListening(true) |
| 134 | // Notify this callback if we didn't set to listening |
| 135 | else uiHandler.post(NotifyChangesToCallback(callback.get(), privacyList)) |
| 136 | } |
| 137 | |
| 138 | private fun removeCallback(callback: WeakReference<Callback>) { |
| 139 | // Removes also if the callback is null |
| 140 | callbacks.removeIf { it.get()?.equals(callback.get()) ?: true } |
| 141 | if (callbacks.isEmpty()) setListening(false) |
| 142 | } |
| 143 | |
| 144 | fun addCallback(callback: Callback) { |
| 145 | addCallback(WeakReference(callback)) |
| 146 | } |
| 147 | |
| 148 | fun removeCallback(callback: Callback) { |
| 149 | removeCallback(WeakReference(callback)) |
| 150 | } |
| 151 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 152 | private fun updatePrivacyList() { |
| 153 | privacyList = currentUserIds.flatMap { appOpsController.getActiveAppOpsForUser(it) } |
Fabian Kozynski | 510585d | 2018-12-19 13:59:17 -0500 | [diff] [blame] | 154 | .mapNotNull { toPrivacyItem(it) }.distinct() |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | private fun toPrivacyItem(appOpItem: AppOpItem): PrivacyItem? { |
| 158 | val type: PrivacyType = when (appOpItem.code) { |
| 159 | AppOpsManager.OP_CAMERA -> PrivacyType.TYPE_CAMERA |
| 160 | AppOpsManager.OP_COARSE_LOCATION -> PrivacyType.TYPE_LOCATION |
| 161 | AppOpsManager.OP_FINE_LOCATION -> PrivacyType.TYPE_LOCATION |
| 162 | AppOpsManager.OP_RECORD_AUDIO -> PrivacyType.TYPE_MICROPHONE |
| 163 | else -> return null |
| 164 | } |
Fabian Kozynski | 508422b | 2018-12-20 10:58:17 -0500 | [diff] [blame] | 165 | if (appOpItem.uid == SYSTEM_UID) return PrivacyItem(type, systemApp) |
Fabian Kozynski | 0d03da3 | 2019-01-28 10:35:28 -0500 | [diff] [blame^] | 166 | val app = PrivacyApplication(appOpItem.packageName, appOpItem.uid, context) |
Fabian Kozynski | ef12449 | 2018-11-02 11:02:11 -0400 | [diff] [blame] | 167 | return PrivacyItem(type, app) |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | // Used by containing class to get notified of changes |
| 171 | interface Callback { |
| 172 | fun privacyChanged(privacyItems: List<PrivacyItem>) |
| 173 | } |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 174 | |
| 175 | internal inner class Receiver : BroadcastReceiver() { |
| 176 | override fun onReceive(context: Context?, intent: Intent?) { |
| 177 | if (intent?.action in intents) { |
| 178 | update(true) |
| 179 | } |
| 180 | } |
| 181 | } |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 182 | |
| 183 | private class NotifyChangesToCallback( |
| 184 | private val callback: Callback?, |
| 185 | private val list: List<PrivacyItem> |
| 186 | ) : Runnable { |
| 187 | override fun run() { |
| 188 | callback?.privacyChanged(list) |
| 189 | } |
| 190 | } |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 191 | } |