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