1 /* 2 * Copyright (C) 2017 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.tv.settings.connectivity.util; 18 19 import android.content.Context; 20 import android.net.wifi.ScanResult; 21 import android.net.wifi.WifiConfiguration; 22 23 import com.android.settingslib.wifi.AccessPoint; 24 import com.android.tv.settings.R; 25 26 /** 27 * Used to get different wifi security types. 28 */ 29 public class WifiSecurityUtil { 30 /** 31 * Get security based on the {@link ScanResult} 32 * 33 * @param result {@link ScanResult} 34 * @return the category of wifi security. 35 */ getSecurity(ScanResult result)36 public static int getSecurity(ScanResult result) { 37 if (result.capabilities.contains("WEP")) { 38 return AccessPoint.SECURITY_WEP; 39 } else if (result.capabilities.contains("PSK")) { 40 return AccessPoint.SECURITY_PSK; 41 } else if (result.capabilities.contains("EAP")) { 42 return AccessPoint.SECURITY_EAP; 43 } 44 return AccessPoint.SECURITY_NONE; 45 } 46 47 /** 48 * Get security based on {@link WifiConfiguration} 49 * 50 * @param config {@link WifiConfiguration} 51 * @return the category of wifi security. 52 */ getSecurity(WifiConfiguration config)53 public static int getSecurity(WifiConfiguration config) { 54 if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_PSK)) { 55 return AccessPoint.SECURITY_PSK; 56 } 57 if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_EAP) 58 || config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.IEEE8021X)) { 59 return AccessPoint.SECURITY_EAP; 60 } 61 return (config.wepKeys[0] != null) ? AccessPoint.SECURITY_WEP : AccessPoint.SECURITY_NONE; 62 } 63 64 /** 65 * Get the name of a specified wifi security. 66 * 67 * @param context context of application. 68 * @param wifiSecurity the value of wifiSecurity, defined in {@link AccessPoint}. 69 * @return the name 70 */ getName(Context context, int wifiSecurity)71 public static String getName(Context context, int wifiSecurity) { 72 switch (wifiSecurity) { 73 case AccessPoint.SECURITY_WEP: 74 return context.getString(R.string.wifi_security_type_wep); 75 case AccessPoint.SECURITY_PSK: 76 return context.getString(R.string.wifi_security_type_wpa); 77 case AccessPoint.SECURITY_EAP: 78 return context.getString(R.string.wifi_security_type_eap); 79 case AccessPoint.SECURITY_NONE: 80 return context.getString(R.string.wifi_security_type_none); 81 default: 82 return null; 83 } 84 } 85 86 /** 87 * Return whether wifiSecurity is open. 88 * 89 * @param wifiSecurity the value of wifiSecurity. Defined in {@link AccessPoint}. 90 * @return true if open. 91 */ isOpen(int wifiSecurity)92 public static boolean isOpen(int wifiSecurity) { 93 return wifiSecurity == AccessPoint.SECURITY_NONE; 94 } 95 } 96