package com.secondworld.univeralsdk;
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import android.Manifest;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.pm.PackageManager;
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import android.provider.Settings;
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import android.support.v4.content.ContextCompat;
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import android.telephony.TelephonyManager;
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import android.util.Log;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.OutputStreamWriter;
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import java.io.Reader;
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import java.io.Writer;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.security.MessageDigest;
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import java.util.UUID;
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/**
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* Created by Administrator on 2018/7/12 0012.
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*/
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public class UniqueID
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{
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public static String get(Context context)
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{
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String _id = read(context);
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if (_id != null && !_id.equals(""))
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{
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return _id;
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}
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StringBuffer _buffer = new StringBuffer();
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_id = getDeviceId(context);
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_buffer.append(_id);
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_id = getLocalMac(context).replace(":", "");
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_buffer.append(_id);
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if (_buffer == null || _buffer.length() <= 0)
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{
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UUID _uuid = UUID.randomUUID();
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_id = _uuid.toString().replace("-", "");
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_buffer.append(_id);
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}
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_id = getMD5(_buffer.toString(), false);
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if (_id.length() > 0)
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{
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save(_id, context);
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}
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return _id;
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}
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private static String read(Context context)
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{
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File _file = new File(context.getExternalFilesDir(""), "/tsw_device_unique_id.txt");
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if (!_file.exists())
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{
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return null;
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}
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StringBuffer _buffer = new StringBuffer();
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try
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{
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FileInputStream _fis = new FileInputStream(_file);
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InputStreamReader _isr = new InputStreamReader(_fis, "UTF-8");
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Reader _in = new BufferedReader(_isr);
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int _index;
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while ((_index = _in.read()) > -1)
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{
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_buffer.append((char) _index);
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}
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_in.close();
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return _buffer.toString();
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} catch (IOException e)
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{
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e.printStackTrace();
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}
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return null;
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}
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private static void save(String id, Context context)
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{
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File _file = new File(context.getExternalFilesDir(""), "/tsw_device_unique_id.txt");
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try
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{
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Log.i("UniqueIDUtil", "path: " + _file.getAbsolutePath());
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FileOutputStream _fos = new FileOutputStream(_file);
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Writer _writer = new OutputStreamWriter(_fos, "UTF-8");
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_writer.write(id);
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_writer.close();
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_fos.close();
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} catch (IOException e)
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{
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e.printStackTrace();
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}
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}
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public static String getAndroidID(Context context)
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{
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return Settings.System.getString(context.getContentResolver(), Settings.System.ANDROID_ID);
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}
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public static String getDeviceId(Context context)
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{
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SharedPreferences _sp = context.getSharedPreferences(context.getPackageName(),
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Context.MODE_PRIVATE);
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String _deviceId = _sp.getString(StaticDefine.LS_KEY_IMEI, "");
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if (!_deviceId.equals(""))
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{
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return _deviceId;
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}
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TelephonyManager tm = (TelephonyManager) context
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.getSystemService(Context.TELEPHONY_SERVICE);
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if (ContextCompat.checkSelfPermission(context,
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Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED)
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{
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_deviceId = tm.getDeviceId();
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SharedPreferences.Editor _e = _sp.edit();
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_e.putString(StaticDefine.LS_KEY_IMEI, _deviceId);
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_e.apply();
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return _deviceId;
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}
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return "";
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}
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public static String getLocalMac(Context context)
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{
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SharedPreferences _sp = context.getSharedPreferences(context.getPackageName(),
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Context.MODE_PRIVATE);
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String _macAddress = _sp.getString(StaticDefine.LS_KEY_MAC, "");
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if (!_macAddress.equals(""))
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{
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return _macAddress;
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}
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StringBuffer _buffer = new StringBuffer();
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NetworkInterface _networkInterface;
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try
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{
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_networkInterface = NetworkInterface.getByName("eth1");
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if (_networkInterface == null)
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{
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_networkInterface = NetworkInterface.getByName("wlan0");
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}
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if (_networkInterface == null)
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{
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return "";
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}
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byte[] _addresses = _networkInterface.getHardwareAddress();
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for (byte b : _addresses)
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{
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_buffer.append(String.format("%02X:", b));
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}
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if (_buffer.length() > 0)
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{
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_buffer.deleteCharAt(_buffer.length() - 1);
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}
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_macAddress = _buffer.toString();
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SharedPreferences.Editor _e = _sp.edit();
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_e.putString(StaticDefine.LS_KEY_MAC, _macAddress);
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_e.apply();
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} catch (SocketException e)
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{
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e.printStackTrace();
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return "";
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}
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return _macAddress;
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}
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public static String getMD5(String message, boolean upperCase)
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{
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String md5str = "";
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try
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{
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MessageDigest md = MessageDigest.getInstance("MD5");
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byte[] input = message.getBytes();
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byte[] buff = md.digest(input);
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md5str = bytesToHex(buff, upperCase);
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} catch (Exception e)
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{
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e.printStackTrace();
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}
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return md5str;
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}
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private static String bytesToHex(byte[] bytes, boolean upperCase)
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{
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StringBuffer md5str = new StringBuffer();
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int digital;
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for (int i = 0; i < bytes.length; i++)
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{
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digital = bytes[i];
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if (digital < 0)
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{
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digital += 256;
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}
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if (digital < 16)
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{
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md5str.append("0");
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}
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md5str.append(Integer.toHexString(digital));
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}
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if (upperCase)
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{
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return md5str.toString().toUpperCase();
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}
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return md5str.toString().toLowerCase();
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}
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}
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