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.settings.wifi; 18 19 import android.Manifest; 20 import android.app.AppOpsManager; 21 import android.content.Context; 22 23 import com.android.internal.util.ArrayUtils; 24 import com.android.settings.applications.AppStateAppOpsBridge; 25 import com.android.settingslib.applications.ApplicationsState; 26 import com.android.settingslib.applications.ApplicationsState.AppEntry; 27 import com.android.settingslib.applications.ApplicationsState.AppFilter; 28 29 import java.util.List; 30 31 /* 32 * Connects info of apps that change wifi state to the ApplicationsState. Wraps around the generic 33 * AppStateAppOpsBridge class to tailor to the semantics of CHANGE_WIFI_STATE. Also provides app 34 * filters that can use the info. 35 */ 36 public class AppStateChangeWifiStateBridge extends AppStateAppOpsBridge { 37 38 private static final String TAG = "AppStateChangeWifiStateBridge"; 39 private static final int APP_OPS_OP_CODE = AppOpsManager.OP_CHANGE_WIFI_STATE; 40 private static final String PM_CHANGE_WIFI_STATE = Manifest.permission.CHANGE_WIFI_STATE; 41 private static final String PM_NETWORK_SETTINGS = Manifest.permission.NETWORK_SETTINGS; 42 43 private static final String[] PM_PERMISSIONS = { 44 PM_CHANGE_WIFI_STATE 45 }; 46 AppStateChangeWifiStateBridge(Context context, ApplicationsState appState, Callback callback)47 public AppStateChangeWifiStateBridge(Context context, ApplicationsState appState, Callback 48 callback) { 49 super(context, appState, callback, APP_OPS_OP_CODE, PM_PERMISSIONS); 50 } 51 52 @Override updateExtraInfo(AppEntry app, String pkg, int uid)53 protected void updateExtraInfo(AppEntry app, String pkg, int uid) { 54 app.extraInfo = getWifiSettingsInfo(pkg, uid); 55 } 56 57 @Override loadAllExtraInfo()58 protected void loadAllExtraInfo() { 59 final List<AppEntry> allApps = mAppSession.getAllApps(); 60 for (AppEntry entry : allApps) { 61 updateExtraInfo(entry, entry.info.packageName, entry.info.uid); 62 } 63 } 64 getWifiSettingsInfo(String pkg, int uid)65 public WifiSettingsState getWifiSettingsInfo(String pkg, int uid) { 66 PermissionState permissionState = super.getPermissionInfo(pkg, uid); 67 return new WifiSettingsState(permissionState); 68 } 69 70 public static class WifiSettingsState extends AppStateAppOpsBridge.PermissionState { WifiSettingsState(PermissionState permissionState)71 public WifiSettingsState(PermissionState permissionState) { 72 super(permissionState.packageName, permissionState.userHandle); 73 this.packageInfo = permissionState.packageInfo; 74 this.appOpMode = permissionState.appOpMode; 75 this.permissionDeclared = permissionState.permissionDeclared; 76 this.staticPermissionGranted = permissionState.staticPermissionGranted; 77 } 78 } 79 80 public static final AppFilter FILTER_CHANGE_WIFI_STATE = new AppFilter() { 81 @Override 82 public void init() { 83 } 84 85 @Override 86 public boolean filterApp(AppEntry info) { 87 if (info == null || info.extraInfo == null 88 || !(info.extraInfo instanceof WifiSettingsState)) { 89 return false; 90 } 91 WifiSettingsState wifiSettingsState = (WifiSettingsState) info.extraInfo; 92 if (wifiSettingsState.packageInfo != null) { 93 final String[] requestedPermissions 94 = wifiSettingsState.packageInfo.requestedPermissions; 95 if (ArrayUtils.contains(requestedPermissions, PM_NETWORK_SETTINGS)) { 96 /* 97 * NETWORK_SETTINGS permission trumps CHANGE_WIFI_CONFIG, so remove this from 98 * the list. 99 */ 100 return false; 101 } 102 } 103 return wifiSettingsState.permissionDeclared; 104 } 105 }; 106 } 107