| /* |
| * Copyright (C) 2018 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.server.wifi.hotspot2; |
| |
| import android.annotation.NonNull; |
| import android.content.Context; |
| import android.os.Build; |
| import android.os.SystemProperties; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.telephony.TelephonyProperties; |
| import com.android.server.wifi.WifiNative; |
| |
| import java.util.Locale; |
| |
| /** |
| * Provide APIs for retrieving system information, so that they can be mocked for unit tests. |
| */ |
| public class SystemInfo { |
| public static final String TAG = "SystemInfo"; |
| public static final String UNKNOWN_INFO = "Unknown"; |
| |
| private final TelephonyManager mTelephonyManager; |
| private final WifiNative mWifiNative; |
| private static SystemInfo sSystemInfo = null; |
| |
| @VisibleForTesting |
| SystemInfo(Context context, WifiNative wifiNative) { |
| // TODO(b/132188983): inject this using WifiInjector |
| mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); |
| mWifiNative = wifiNative; |
| } |
| |
| public static SystemInfo getInstance(@NonNull Context context, @NonNull WifiNative wifiNative) { |
| if (sSystemInfo == null) { |
| sSystemInfo = new SystemInfo(context, wifiNative); |
| } |
| return sSystemInfo; |
| } |
| |
| /** |
| * Get the system language. |
| * |
| * @return current language code |
| */ |
| public String getLanguage() { |
| return Locale.getDefault().getLanguage(); |
| } |
| |
| /** |
| * Get the device manufacturer info |
| * |
| * @return the device manufacturer info or {@link Build#UNKNOWN} if not set |
| */ |
| public String getDeviceManufacturer() { |
| return Build.MANUFACTURER; |
| } |
| |
| /** |
| * Get the device model info. |
| * |
| * @return the device model info or {@link Build#UNKNOWN} if not set |
| */ |
| public String getDeviceModel() { |
| return Build.MODEL; |
| } |
| |
| /** |
| * Get the Wifi Mac address for primary interface. |
| * |
| * TODO(b/80092273): need to check if this privacy information is required for Passpoint R2. |
| * @param ifaceName Name of the interface. |
| * @return string containing the MAC address or null on a failed call |
| */ |
| public String getMacAddress(@NonNull String ifaceName) { |
| return mWifiNative.getMacAddress(ifaceName); |
| } |
| |
| /** |
| * Get the device ID. Either IMEI or MEID will be returned based on the installed SIM. |
| * {@link #UNKNOWN_INFO} will be returned if no SIM is installed. |
| * |
| * @return String representing device ID |
| */ |
| public String getDeviceId() { |
| TelephonyManager defaultDataTm = mTelephonyManager.createForSubscriptionId( |
| SubscriptionManager.getDefaultDataSubscriptionId()); |
| // IMEI will be provided for GSM SIM. |
| String imei = defaultDataTm.getImei(); |
| if (!TextUtils.isEmpty(imei)) { |
| return imei; |
| } |
| |
| // MEID will be provided for CMDA SIM. |
| String meid = defaultDataTm.getMeid(); |
| if (!TextUtils.isEmpty(meid)) { |
| return meid; |
| } |
| return UNKNOWN_INFO; |
| } |
| |
| /** |
| * Get the hardware version. |
| * |
| * TODO(b/80092273): need to check if this privacy information is required for Passpoint R2. |
| * @return the version that consists of hardware name and revision number. |
| */ |
| public String getHwVersion() { |
| return Build.HARDWARE + "." + SystemProperties.get("ro.revision", "0"); |
| } |
| |
| /** |
| * Get the software version. |
| * |
| * @return the build release version. |
| */ |
| public String getSoftwareVersion() { |
| return new StringBuffer("Android ").append(Build.VERSION.RELEASE).toString(); |
| } |
| |
| /** |
| * Get the firmware version. |
| * |
| * @return the version that consists of build id and baseband version. |
| */ |
| public String getFirmwareVersion() { |
| return new StringBuffer(Build.ID) |
| .append("/") |
| .append(SystemProperties.get(TelephonyProperties.PROPERTY_BASEBAND_VERSION, |
| UNKNOWN_INFO)).toString(); |
| } |
| } |