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/*
* Copyright (C) 2017 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.tv.settings.connectivity.util;
import android.content.Context;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration;
import com.android.settingslib.wifi.AccessPoint;
import com.android.tv.settings.R;
/**
* Used to get different wifi security types.
*/
public class WifiSecurityUtil {
/**
* Get security based on the {@link ScanResult}
*
* @param result {@link ScanResult}
* @return the category of wifi security.
*/
public static int getSecurity(ScanResult result) {
if (result.capabilities.contains("WEP")) {
return AccessPoint.SECURITY_WEP;
} else if (result.capabilities.contains("PSK")) {
return AccessPoint.SECURITY_PSK;
} else if (result.capabilities.contains("EAP")) {
return AccessPoint.SECURITY_EAP;
}
return AccessPoint.SECURITY_NONE;
}
/**
* Get security based on {@link WifiConfiguration}
*
* @param config {@link WifiConfiguration}
* @return the category of wifi security.
*/
public static int getSecurity(WifiConfiguration config) {
if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.SAE)) {
return AccessPoint.SECURITY_SAE;
}
if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_PSK)) {
return AccessPoint.SECURITY_PSK;
}
if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.SAE)) {
return AccessPoint.SECURITY_SAE;
}
if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_EAP)
|| config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.IEEE8021X)) {
return AccessPoint.SECURITY_EAP;
}
return (config.wepKeys[0] != null) ? AccessPoint.SECURITY_WEP : AccessPoint.SECURITY_NONE;
}
/**
* Get the name of a specified wifi security.
*
* @param context context of application.
* @param wifiSecurity the value of wifiSecurity, defined in {@link AccessPoint}.
* @return the name
*/
public static String getName(Context context, int wifiSecurity) {
switch (wifiSecurity) {
case AccessPoint.SECURITY_WEP:
return context.getString(R.string.wifi_security_type_wep);
case AccessPoint.SECURITY_PSK:
return context.getString(R.string.wifi_security_type_wpa);
case AccessPoint.SECURITY_EAP:
return context.getString(R.string.wifi_security_type_eap);
case AccessPoint.SECURITY_NONE:
return context.getString(R.string.wifi_security_type_none);
default:
return null;
}
}
/**
* Return whether wifiSecurity is open.
*
* @param wifiSecurity the value of wifiSecurity. Defined in {@link AccessPoint}.
* @return true if open.
*/
public static boolean isOpen(int wifiSecurity) {
return wifiSecurity == AccessPoint.SECURITY_NONE;
}
}
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