| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settingslib.wifi; |
| |
| import android.content.Context; |
| import android.os.Build; |
| import android.os.UserManager; |
| import android.util.Log; |
| |
| import androidx.annotation.ChecksSdkIntAtLeast; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| /* Utility class is to confirm the Wi-Fi function is available by enterprise restriction */ |
| public class WifiEnterpriseRestrictionUtils { |
| private static final String TAG = "WifiEntResUtils"; |
| |
| /** |
| * Confirm Wi-Fi tethering is allowed according to whether user restriction is set |
| * |
| * @param context A context |
| * @return whether the device is permitted to use Wi-Fi Tethering |
| */ |
| public static boolean isWifiTetheringAllowed(Context context) { |
| if (!hasUserRestrictionFromT(context, UserManager.DISALLOW_WIFI_TETHERING)) return true; |
| Log.w(TAG, "Wi-Fi Tethering isn't available due to user restriction."); |
| return false; |
| } |
| |
| /** |
| * Confirm Wi-Fi Direct is allowed according to whether user restriction is set |
| * |
| * @param context A context |
| * @return whether the device is permitted to use Wi-Fi Direct |
| */ |
| public static boolean isWifiDirectAllowed(Context context) { |
| if (!hasUserRestrictionFromT(context, UserManager.DISALLOW_WIFI_DIRECT)) return true; |
| Log.w(TAG, "Wi-Fi Direct isn't available due to user restriction."); |
| return false; |
| } |
| |
| /** |
| * Confirm Wi-Fi Config is allowed to add according to whether user restriction is set |
| * |
| * @param context A context |
| * @return whether the device is permitted to add new Wi-Fi config |
| */ |
| public static boolean isAddWifiConfigAllowed(Context context) { |
| if (!hasUserRestrictionFromT(context, UserManager.DISALLOW_ADD_WIFI_CONFIG)) return true; |
| Log.w(TAG, "Wi-Fi Add network isn't available due to user restriction."); |
| return false; |
| } |
| |
| /** |
| * Confirm Wi-Fi state is allowed to change to whether user restriction is set |
| * |
| * @param context A context |
| * @return whether the device is permitted to change Wi-Fi state |
| */ |
| public static boolean isChangeWifiStateAllowed(Context context) { |
| if (!hasUserRestrictionFromT(context, UserManager.DISALLOW_CHANGE_WIFI_STATE)) return true; |
| Log.w(TAG, "WI-FI state isn't allowed to change due to user restriction."); |
| return false; |
| } |
| |
| @VisibleForTesting |
| static boolean hasUserRestrictionFromT(Context context, String restrictionKey) { |
| if (!isAtLeastT()) return false; |
| final UserManager userManager = context.getSystemService(UserManager.class); |
| if (userManager == null) return false; |
| return userManager.hasUserRestriction(restrictionKey); |
| } |
| |
| @ChecksSdkIntAtLeast(api = Build.VERSION_CODES.TIRAMISU) |
| private static boolean isAtLeastT() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU; |
| } |
| } |