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 |
Dave Mankoff | f473681 | 2019-10-18 17:25:50 -0400 | [diff] [blame^] | 25 | import android.os.* |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 26 | import android.provider.DeviceConfig |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 27 | import com.android.internal.annotations.VisibleForTesting |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 28 | import com.android.internal.config.sysui.SystemUiDeviceConfigFlags |
Dave Mankoff | f473681 | 2019-10-18 17:25:50 -0400 | [diff] [blame^] | 29 | import com.android.systemui.Dumpable |
Fabian Kozynski | 8176539 | 2019-02-11 12:38:26 -0500 | [diff] [blame] | 30 | import com.android.systemui.R |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 31 | import com.android.systemui.appops.AppOpItem |
| 32 | import com.android.systemui.appops.AppOpsController |
Dave Mankoff | f473681 | 2019-10-18 17:25:50 -0400 | [diff] [blame^] | 33 | import com.android.systemui.dagger.qualifiers.BgHandler |
| 34 | import com.android.systemui.dagger.qualifiers.MainHandler |
Fabian Kozynski | a6ff80b | 2019-02-12 11:32:44 -0500 | [diff] [blame] | 35 | import java.io.FileDescriptor |
| 36 | import java.io.PrintWriter |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 37 | import java.lang.ref.WeakReference |
| 38 | import javax.inject.Inject |
| 39 | import javax.inject.Singleton |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 40 | |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 41 | fun isPermissionsHubEnabled() = DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_PRIVACY, |
| 42 | SystemUiDeviceConfigFlags.PROPERTY_PERMISSIONS_HUB_ENABLED, false) |
| 43 | |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 44 | @Singleton |
Fabian Kozynski | 8176539 | 2019-02-11 12:38:26 -0500 | [diff] [blame] | 45 | class PrivacyItemController @Inject constructor( |
Matt Pape | cb88879 | 2019-05-22 15:32:32 -0700 | [diff] [blame] | 46 | val context: Context, |
| 47 | private val appOpsController: AppOpsController, |
Dave Mankoff | f473681 | 2019-10-18 17:25:50 -0400 | [diff] [blame^] | 48 | @MainHandler private val uiHandler: Handler, |
| 49 | @BgHandler private val bgHandler: Handler |
Fabian Kozynski | a6ff80b | 2019-02-12 11:32:44 -0500 | [diff] [blame] | 50 | ) : Dumpable { |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 51 | |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 52 | @VisibleForTesting |
| 53 | internal companion object { |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 54 | val OPS = intArrayOf(AppOpsManager.OP_CAMERA, |
| 55 | AppOpsManager.OP_RECORD_AUDIO, |
| 56 | AppOpsManager.OP_COARSE_LOCATION, |
| 57 | AppOpsManager.OP_FINE_LOCATION) |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 58 | val intents = listOf(Intent.ACTION_USER_FOREGROUND, |
| 59 | Intent.ACTION_MANAGED_PROFILE_ADDED, |
| 60 | Intent.ACTION_MANAGED_PROFILE_REMOVED) |
| 61 | const val TAG = "PrivacyItemController" |
Fabian Kozynski | 508422b | 2018-12-20 10:58:17 -0500 | [diff] [blame] | 62 | const val SYSTEM_UID = 1000 |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 63 | const val MSG_ADD_CALLBACK = 0 |
| 64 | const val MSG_REMOVE_CALLBACK = 1 |
| 65 | const val MSG_UPDATE_LISTENING_STATE = 2 |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 66 | } |
Fabian Kozynski | 508422b | 2018-12-20 10:58:17 -0500 | [diff] [blame] | 67 | |
Fabian Kozynski | a6ff80b | 2019-02-12 11:32:44 -0500 | [diff] [blame] | 68 | @VisibleForTesting |
| 69 | internal var privacyList = emptyList<PrivacyItem>() |
Fabian Kozynski | 7209010 | 2019-03-04 10:55:55 -0500 | [diff] [blame] | 70 | @Synchronized get() = field.toList() // Returns a shallow copy of the list |
| 71 | @Synchronized set |
Fabian Kozynski | a6ff80b | 2019-02-12 11:32:44 -0500 | [diff] [blame] | 72 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 73 | private val userManager = context.getSystemService(UserManager::class.java) |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 74 | private var currentUserIds = emptyList<Int>() |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 75 | private var listening = false |
Fabian Kozynski | 0d03da3 | 2019-01-28 10:35:28 -0500 | [diff] [blame] | 76 | val systemApp = |
| 77 | PrivacyApplication(context.getString(R.string.device_services), SYSTEM_UID, context) |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 78 | private val callbacks = mutableListOf<WeakReference<Callback>>() |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 79 | private val messageHandler = H(WeakReference(this), uiHandler.looper) |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 80 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 81 | private val notifyChanges = Runnable { |
Fabian Kozynski | 7209010 | 2019-03-04 10:55:55 -0500 | [diff] [blame] | 82 | val list = privacyList |
| 83 | callbacks.forEach { it.get()?.privacyChanged(list) } |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 84 | } |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 85 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 86 | private val updateListAndNotifyChanges = Runnable { |
| 87 | updatePrivacyList() |
| 88 | uiHandler.post(notifyChanges) |
| 89 | } |
| 90 | |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 91 | private var indicatorsAvailable = isPermissionsHubEnabled() |
| 92 | @VisibleForTesting |
Matt Pape | cb88879 | 2019-05-22 15:32:32 -0700 | [diff] [blame] | 93 | internal val devicePropertiesChangedListener = |
| 94 | object : DeviceConfig.OnPropertiesChangedListener { |
| 95 | override fun onPropertiesChanged(properties: DeviceConfig.Properties) { |
| 96 | if (DeviceConfig.NAMESPACE_PRIVACY.equals(properties.getNamespace()) && |
| 97 | properties.getKeyset().contains( |
| 98 | SystemUiDeviceConfigFlags.PROPERTY_PERMISSIONS_HUB_ENABLED)) { |
| 99 | indicatorsAvailable = properties.getBoolean( |
| 100 | SystemUiDeviceConfigFlags.PROPERTY_PERMISSIONS_HUB_ENABLED, false) |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 101 | messageHandler.removeMessages(MSG_UPDATE_LISTENING_STATE) |
| 102 | messageHandler.sendEmptyMessage(MSG_UPDATE_LISTENING_STATE) |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 107 | private val cb = object : AppOpsController.Callback { |
| 108 | override fun onActiveStateChanged( |
| 109 | code: Int, |
| 110 | uid: Int, |
| 111 | packageName: String, |
| 112 | active: Boolean |
| 113 | ) { |
| 114 | val userId = UserHandle.getUserId(uid) |
| 115 | if (userId in currentUserIds) { |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 116 | update(false) |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 117 | } |
| 118 | } |
| 119 | } |
| 120 | |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 121 | @VisibleForTesting |
| 122 | internal var userSwitcherReceiver = Receiver() |
| 123 | set(value) { |
| 124 | context.unregisterReceiver(field) |
| 125 | field = value |
| 126 | registerReceiver() |
| 127 | } |
| 128 | |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 129 | init { |
Matt Pape | cb88879 | 2019-05-22 15:32:32 -0700 | [diff] [blame] | 130 | DeviceConfig.addOnPropertiesChangedListener( |
| 131 | DeviceConfig.NAMESPACE_PRIVACY, |
| 132 | context.mainExecutor, |
| 133 | devicePropertiesChangedListener) |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 134 | } |
| 135 | |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 136 | private fun unregisterReceiver() { |
| 137 | context.unregisterReceiver(userSwitcherReceiver) |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | private fun registerReceiver() { |
| 141 | context.registerReceiverAsUser(userSwitcherReceiver, UserHandle.ALL, IntentFilter().apply { |
| 142 | intents.forEach { |
| 143 | addAction(it) |
| 144 | } |
| 145 | }, null, null) |
| 146 | } |
| 147 | |
| 148 | private fun update(updateUsers: Boolean) { |
| 149 | if (updateUsers) { |
| 150 | val currentUser = ActivityManager.getCurrentUser() |
| 151 | currentUserIds = userManager.getProfiles(currentUser).map { it.id } |
| 152 | } |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 153 | bgHandler.post(updateListAndNotifyChanges) |
| 154 | } |
| 155 | |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 156 | /** |
| 157 | * Updates listening status based on whether there are callbacks and the indicators are enabled |
| 158 | * |
| 159 | * This is only called from private (add/remove)Callback and from the config listener, all in |
| 160 | * main thread. |
| 161 | */ |
| 162 | private fun setListeningState() { |
| 163 | val listen = !callbacks.isEmpty() and indicatorsAvailable |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 164 | if (listening == listen) return |
| 165 | listening = listen |
| 166 | if (listening) { |
| 167 | appOpsController.addCallback(OPS, cb) |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 168 | registerReceiver() |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 169 | update(true) |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 170 | } else { |
| 171 | appOpsController.removeCallback(OPS, cb) |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 172 | unregisterReceiver() |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 173 | // Make sure that we remove all indicators and notify listeners if we are not |
| 174 | // listening anymore due to indicators being disabled |
| 175 | update(false) |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 176 | } |
| 177 | } |
| 178 | |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 179 | private fun addCallback(callback: WeakReference<Callback>) { |
| 180 | callbacks.add(callback) |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 181 | if (callbacks.isNotEmpty() && !listening) { |
| 182 | messageHandler.removeMessages(MSG_UPDATE_LISTENING_STATE) |
| 183 | messageHandler.sendEmptyMessage(MSG_UPDATE_LISTENING_STATE) |
| 184 | } |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 185 | // Notify this callback if we didn't set to listening |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 186 | else if (listening) uiHandler.post(NotifyChangesToCallback(callback.get(), privacyList)) |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | private fun removeCallback(callback: WeakReference<Callback>) { |
| 190 | // Removes also if the callback is null |
| 191 | callbacks.removeIf { it.get()?.equals(callback.get()) ?: true } |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 192 | if (callbacks.isEmpty()) { |
| 193 | messageHandler.removeMessages(MSG_UPDATE_LISTENING_STATE) |
| 194 | messageHandler.sendEmptyMessage(MSG_UPDATE_LISTENING_STATE) |
| 195 | } |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | fun addCallback(callback: Callback) { |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 199 | messageHandler.obtainMessage(MSG_ADD_CALLBACK, callback).sendToTarget() |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | fun removeCallback(callback: Callback) { |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 203 | messageHandler.obtainMessage(MSG_REMOVE_CALLBACK, callback).sendToTarget() |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 204 | } |
| 205 | |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 206 | private fun updatePrivacyList() { |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 207 | if (!listening) { |
| 208 | privacyList = emptyList() |
| 209 | return |
| 210 | } |
Fabian Kozynski | 7209010 | 2019-03-04 10:55:55 -0500 | [diff] [blame] | 211 | val list = currentUserIds.flatMap { appOpsController.getActiveAppOpsForUser(it) } |
Fabian Kozynski | 510585d | 2018-12-19 13:59:17 -0500 | [diff] [blame] | 212 | .mapNotNull { toPrivacyItem(it) }.distinct() |
Fabian Kozynski | 7209010 | 2019-03-04 10:55:55 -0500 | [diff] [blame] | 213 | privacyList = list |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | private fun toPrivacyItem(appOpItem: AppOpItem): PrivacyItem? { |
| 217 | val type: PrivacyType = when (appOpItem.code) { |
| 218 | AppOpsManager.OP_CAMERA -> PrivacyType.TYPE_CAMERA |
| 219 | AppOpsManager.OP_COARSE_LOCATION -> PrivacyType.TYPE_LOCATION |
| 220 | AppOpsManager.OP_FINE_LOCATION -> PrivacyType.TYPE_LOCATION |
| 221 | AppOpsManager.OP_RECORD_AUDIO -> PrivacyType.TYPE_MICROPHONE |
| 222 | else -> return null |
| 223 | } |
Fabian Kozynski | 508422b | 2018-12-20 10:58:17 -0500 | [diff] [blame] | 224 | if (appOpItem.uid == SYSTEM_UID) return PrivacyItem(type, systemApp) |
Fabian Kozynski | 0d03da3 | 2019-01-28 10:35:28 -0500 | [diff] [blame] | 225 | val app = PrivacyApplication(appOpItem.packageName, appOpItem.uid, context) |
Fabian Kozynski | ef12449 | 2018-11-02 11:02:11 -0400 | [diff] [blame] | 226 | return PrivacyItem(type, app) |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | // Used by containing class to get notified of changes |
| 230 | interface Callback { |
| 231 | fun privacyChanged(privacyItems: List<PrivacyItem>) |
| 232 | } |
Fabian Kozynski | b5625ac | 2018-11-21 08:56:55 -0500 | [diff] [blame] | 233 | |
| 234 | internal inner class Receiver : BroadcastReceiver() { |
| 235 | override fun onReceive(context: Context?, intent: Intent?) { |
| 236 | if (intent?.action in intents) { |
| 237 | update(true) |
| 238 | } |
| 239 | } |
| 240 | } |
Fabian Kozynski | 04f83eb | 2019-01-22 10:38:40 -0500 | [diff] [blame] | 241 | |
| 242 | private class NotifyChangesToCallback( |
| 243 | private val callback: Callback?, |
| 244 | private val list: List<PrivacyItem> |
| 245 | ) : Runnable { |
| 246 | override fun run() { |
| 247 | callback?.privacyChanged(list) |
| 248 | } |
| 249 | } |
Fabian Kozynski | a6ff80b | 2019-02-12 11:32:44 -0500 | [diff] [blame] | 250 | |
| 251 | override fun dump(fd: FileDescriptor?, pw: PrintWriter?, args: Array<out String>?) { |
| 252 | pw?.println("PrivacyItemController state:") |
| 253 | pw?.println(" Listening: $listening") |
| 254 | pw?.println(" Current user ids: $currentUserIds") |
| 255 | pw?.println(" Privacy Items:") |
| 256 | privacyList.forEach { |
| 257 | pw?.print(" ") |
| 258 | pw?.println(it.toString()) |
| 259 | } |
| 260 | pw?.println(" Callbacks:") |
| 261 | callbacks.forEach { |
| 262 | it.get()?.let { |
| 263 | pw?.print(" ") |
| 264 | pw?.println(it.toString()) |
| 265 | } |
| 266 | } |
| 267 | } |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 268 | |
| 269 | private class H( |
Matt Pape | cb88879 | 2019-05-22 15:32:32 -0700 | [diff] [blame] | 270 | private val outerClass: WeakReference<PrivacyItemController>, |
| 271 | looper: Looper |
Fabian Kozynski | 16b2699 | 2019-05-06 10:18:41 -0400 | [diff] [blame] | 272 | ) : Handler(looper) { |
| 273 | override fun handleMessage(msg: Message) { |
| 274 | super.handleMessage(msg) |
| 275 | when (msg.what) { |
| 276 | MSG_UPDATE_LISTENING_STATE -> outerClass.get()?.setListeningState() |
| 277 | |
| 278 | MSG_ADD_CALLBACK -> { |
| 279 | if (msg.obj !is PrivacyItemController.Callback) return |
| 280 | outerClass.get()?.addCallback( |
| 281 | WeakReference(msg.obj as PrivacyItemController.Callback)) |
| 282 | } |
| 283 | |
| 284 | MSG_REMOVE_CALLBACK -> { |
| 285 | if (msg.obj !is PrivacyItemController.Callback) return |
| 286 | outerClass.get()?.removeCallback( |
| 287 | WeakReference(msg.obj as PrivacyItemController.Callback)) |
| 288 | } |
| 289 | else -> {} |
| 290 | } |
| 291 | } |
| 292 | } |
Fabian Kozynski | 8d06c71 | 2018-11-07 10:33:02 -0500 | [diff] [blame] | 293 | } |