Использованеи библиотеки OSHI для получения HWID

LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/AcceptHWIDHandler.java

@@ -1,8 +1,10 @@
 package ru.gravit.launchserver.auth.hwid;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
+import ru.gravit.launcher.HWID;
 import ru.gravit.launcher.serialize.config.entry.BlockConfigEntry;
 
 public class AcceptHWIDHandler extends HWIDHandler {
@@ -28,7 +30,7 @@ public void close() {
 
     @Override
     public List<HWID> getHwid(String username) {
-        return Collections.singletonList(nullHWID);
+        return new ArrayList<>();
     }
 
     @Override

LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/HWID.java

@@ -1,77 +0,0 @@
-package ru.gravit.launchserver.auth.hwid;
-
-import java.io.IOException;
-
-import ru.gravit.launcher.serialize.HInput;
-import ru.gravit.launcher.serialize.HOutput;
-
-public class HWID {
-    public static HWID fromData(HInput in) throws IOException {
-        return gen(in.readLong(), in.readLong(), in.readLong());
-    }
-
-    public static HWID gen(long hwid_hdd, long hwid_bios, long hwid_cpu) {
-        return new HWID(hwid_hdd, hwid_bios, hwid_cpu);
-    }
-
-    private long hwid_bios;
-
-    private long hwid_hdd;
-
-    private long hwid_cpu;
-
-    private HWID(long hwid_hdd, long hwid_bios, long hwid_cpu) {
-        this.hwid_hdd = hwid_hdd;
-        this.hwid_bios = hwid_bios;
-        this.hwid_cpu = hwid_cpu;
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj)
-            return true;
-        if (obj == null)
-            return false;
-        if (!(obj instanceof HWID))
-            return false;
-        HWID other = (HWID) obj;
-        if (hwid_bios != other.hwid_bios)
-            return false;
-        if (hwid_cpu != other.hwid_cpu)
-            return false;
-        return hwid_hdd == other.hwid_hdd;
-    }
-
-    public long getHwid_bios() {
-        return hwid_bios;
-    }
-
-    public long getHwid_cpu() {
-        return hwid_cpu;
-    }
-
-    public long getHwid_hdd() {
-        return hwid_hdd;
-    }
-
-    @Override
-    public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + (int) (hwid_bios ^ hwid_bios >>> 32);
-        result = prime * result + (int) (hwid_cpu ^ hwid_cpu >>> 32);
-        result = prime * result + (int) (hwid_hdd ^ hwid_hdd >>> 32);
-        return result;
-    }
-
-    public void toData(HOutput out) throws IOException {
-        out.writeLong(hwid_hdd);
-        out.writeLong(hwid_bios);
-        out.writeLong(hwid_cpu);
-    }
-
-    @Override
-    public String toString() {
-        return String.format("HWID {hwid_bios=%s, hwid_hdd=%s, hwid_cpu=%s}", hwid_bios, hwid_hdd, hwid_cpu);
-    }
-}

LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/HWIDHandler.java

@@ -5,13 +5,13 @@
 import java.util.Objects;
 import java.util.concurrent.ConcurrentHashMap;
 
+import ru.gravit.launcher.HWID;
 import ru.gravit.utils.helper.VerifyHelper;
 import ru.gravit.launcher.serialize.config.ConfigObject;
 import ru.gravit.launcher.serialize.config.entry.BlockConfigEntry;
 
 public abstract class HWIDHandler extends ConfigObject implements AutoCloseable {
     private static final Map<String, Adapter<HWIDHandler>> HW_HANDLERS = new ConcurrentHashMap<>(4);
-    public static final HWID nullHWID = HWID.gen(0, 0, 0);
     private static boolean registredHandl = false;
 
 
@@ -44,7 +44,7 @@ protected HWIDHandler(BlockConfigEntry block) {
     public abstract void ban(List<HWID> hwid) throws HWIDException;
 
     public void check(HWID hwid, String username) throws HWIDException {
-        if (nullHWID.equals(hwid)) return;
+        if (hwid.isNull()) return;
         check0(hwid, username);
     }
 

LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/JsonHWIDHandler.java

@@ -2,6 +2,8 @@
 
 import com.google.gson.Gson;
 import com.google.gson.JsonElement;
+import ru.gravit.launcher.HWID;
+import ru.gravit.launcher.OshiHWID;
 import ru.gravit.utils.HTTPRequest;
 import ru.gravit.utils.helper.IOHelper;
 import ru.gravit.utils.helper.LogHelper;
@@ -25,30 +27,20 @@ public final class JsonHWIDHandler extends HWIDHandler {
 
     public class banRequest
     {
-        long hwid_hdd;
+        public banRequest(String hwid) {
-
+            this.hwid = hwid;
-        public banRequest(long hwid_hdd, long hwid_cpu, long hwid_bios) {
-            this.hwid_hdd = hwid_hdd;
-            this.hwid_cpu = hwid_cpu;
-            this.hwid_bios = hwid_bios;
         }
-
+        String hwid;
-        long hwid_cpu;
-        long hwid_bios;
     }
     public class checkRequest
     {
-        public checkRequest(String username, long hwid_hdd, long hwid_cpu, long hwid_bios) {
+        public checkRequest(String username, String hwid) {
             this.username = username;
-            this.hwid_hdd = hwid_hdd;
+            this.hwid = hwid;
-            this.hwid_cpu = hwid_cpu;
-            this.hwid_bios = hwid_bios;
         }
 
         String username;
-        long hwid_hdd;
+        String hwid;
-        long hwid_cpu;
-        long hwid_bios;
 
     }
     public class Result
@@ -62,9 +54,7 @@ public class BannedResult
     }
     public class HWIDResult
     {
-        long hwid_hdd;
+        String string;
-        long hwid_cpu;
-        long hwid_bios;
     }
     public class HWIDRequest
     {
@@ -90,7 +80,7 @@ public HWIDRequest(String username) {
     @Override
     public void ban(List<HWID> l_hwid) throws HWIDException {
         for (HWID hwid : l_hwid) {
-            banRequest request = new banRequest(hwid.getHwid_hdd(),hwid.getHwid_cpu(),hwid.getHwid_bios());
+            banRequest request = new banRequest(hwid.getSerializeString());
             try {
                 JsonElement result = HTTPRequest.jsonRequest(gson.toJsonTree(request), urlBan);
                 Result r = gson.fromJson(result,Result.class);
@@ -104,7 +94,7 @@ public void ban(List<HWID> l_hwid) throws HWIDException {
 
     @Override
     public void check0(HWID hwid, String username) throws HWIDException {
-        checkRequest request = new checkRequest(username,hwid.getHwid_hdd(),hwid.getHwid_cpu(),hwid.getHwid_bios());
+        checkRequest request = new checkRequest(username,hwid.getSerializeString());
         try {
             JsonElement result = HTTPRequest.jsonRequest(gson.toJsonTree(request), urlBan);
             BannedResult r = gson.fromJson(result,BannedResult.class);
@@ -131,7 +121,7 @@ public List<HWID> getHwid(String username) throws HWIDException {
             HWIDResult[] r = gson.fromJson(result,HWIDResult[].class);
             for( HWIDResult hw : r)
             {
-                hwids.add(HWID.gen(hw.hwid_hdd,hw.hwid_bios,hw.hwid_cpu));
+                hwids.add(OshiHWID.gson.fromJson(hw.string,OshiHWID.class));
             }
         } catch (IOException e) {
             LogHelper.error(e);
@@ -143,7 +133,7 @@ public List<HWID> getHwid(String username) throws HWIDException {
     @Override
     public void unban(List<HWID> l_hwid) throws HWIDException {
         for (HWID hwid : l_hwid) {
-            banRequest request = new banRequest(hwid.getHwid_hdd(),hwid.getHwid_cpu(),hwid.getHwid_bios());
+            banRequest request = new banRequest(hwid.getSerializeString());
             try {
                 JsonElement result = HTTPRequest.jsonRequest(gson.toJsonTree(request), urlUnBan);
                 Result r = gson.fromJson(result,Result.class);

LaunchServer/src/main/java/ru/gravit/launchserver/auth/hwid/MysqlHWIDHandler.java

@@ -1,5 +1,7 @@
 package ru.gravit.launchserver.auth.hwid;
 
+import ru.gravit.launcher.HWID;
+import ru.gravit.launcher.OshiHWID;
 import ru.gravit.utils.helper.CommonHelper;
 import ru.gravit.utils.helper.VerifyHelper;
 import ru.gravit.launcher.serialize.config.entry.BlockConfigEntry;
@@ -22,7 +24,7 @@ public class MysqlHWIDHandler extends HWIDHandler {
     private final String banMessage;
     private final String isBannedName;
     private final String loginName;
-    private final String hddName, cpuName, biosName;
+    private final String hwidName, cpuName, biosName;
     private final String[] queryParams;
     private final String queryUpd;
     private final String[] queryParamsUpd;
@@ -45,8 +47,8 @@ public MysqlHWIDHandler(BlockConfigEntry block) {
         loginName = VerifyHelper.verify(block.getEntryValue("loginName", StringConfigEntry.class),
                 VerifyHelper.NOT_EMPTY, "loginName can't be empty");
         banMessage = block.hasEntry("banMessage") ? block.getEntryValue("banMessage", StringConfigEntry.class) : "You HWID Banned";
-        hddName = VerifyHelper.verify(block.getEntryValue("hddName", StringConfigEntry.class),
+        hwidName = VerifyHelper.verify(block.getEntryValue("hwidName", StringConfigEntry.class),
-                VerifyHelper.NOT_EMPTY, "hddName can't be empty");
+                VerifyHelper.NOT_EMPTY, "hwidName can't be empty");
         cpuName = VerifyHelper.verify(block.getEntryValue("cpuName", StringConfigEntry.class),
                 VerifyHelper.NOT_EMPTY, "cpuName can't be empty");
         biosName = VerifyHelper.verify(block.getEntryValue("biosName", StringConfigEntry.class),
@@ -72,7 +74,7 @@ public void check0(HWID hwid, String username) throws HWIDException {
             Connection c = mySQLHolder.getConnection();
 
             PreparedStatement s = c.prepareStatement(query);
-            String[] replaceParams = {"hwid_hdd", String.valueOf(hwid.getHwid_hdd()), "hwid_cpu", String.valueOf(hwid.getHwid_cpu()), "hwid_bios", String.valueOf(hwid.getHwid_bios()), "login", username};
+            String[] replaceParams = {"hwid", String.valueOf(hwid.getSerializeString()), "login", username};
             for (int i = 0; i < queryParams.length; i++) {
                 s.setString(i + 1, CommonHelper.replace(queryParams[i], replaceParams));
             }
@@ -109,7 +111,7 @@ public void writeHWID(HWID hwid, String username, Connection c) {
         LogHelper.debug("Write HWID %s from username %s", hwid.toString(), username);
         try (PreparedStatement a = c.prepareStatement(queryUpd)) {
             //IF
-            String[] replaceParamsUpd = {"hwid_hdd", String.valueOf(hwid.getHwid_hdd()), "hwid_cpu", String.valueOf(hwid.getHwid_cpu()), "hwid_bios", String.valueOf(hwid.getHwid_bios()), "login", username};
+            String[] replaceParamsUpd = {"hwid", String.valueOf(hwid.getSerializeString()), "login", username};
             for (int i = 0; i < queryParamsUpd.length; i++) {
                 a.setString(i + 1, CommonHelper.replace(queryParamsUpd[i], replaceParamsUpd));
             }
@@ -130,7 +132,7 @@ public void setIsBanned(HWID hwid, boolean isBanned) {
         }
         try (PreparedStatement a = c.prepareStatement(queryBan)) {
             //IF
-            String[] replaceParamsUpd = {"hwid_hdd", String.valueOf(hwid.getHwid_hdd()), "hwid_cpu", String.valueOf(hwid.getHwid_cpu()), "hwid_bios", String.valueOf(hwid.getHwid_bios()), "isBanned", isBanned ? "1" : "0"};
+            String[] replaceParamsUpd = {"hwid", String.valueOf(hwid.getSerializeString()), "isBanned", isBanned ? "1" : "0"};
             for (int i = 0; i < queryParamsBan.length; i++) {
                 a.setString(i + 1, CommonHelper.replace(queryParamsBan[i], replaceParamsUpd));
             }
@@ -166,19 +168,17 @@ public List<HWID> getHwid(String username) {
             for (int i = 0; i < queryParamsSelect.length; i++) {
                 s.setString(i + 1, CommonHelper.replace(queryParamsSelect[i], replaceParams));
             }
-            long hdd, cpu, bios;
+            String hwid_str;
             try (ResultSet set = s.executeQuery()) {
                 if (!set.next()) {
                     LogHelper.error(new HWIDException("HWID not found"));
                     return new ArrayList<>();
                 }
-                hdd = set.getLong(hddName);
+                hwid_str = set.getString(hwidName);
-                cpu = set.getLong(cpuName);
-                bios = set.getLong(biosName);
             }
             ArrayList<HWID> list = new ArrayList<>();
-            HWID hwid = HWID.gen(hdd, bios, cpu);
+            HWID hwid = OshiHWID.gson.fromJson(hwid_str,OshiHWID.class);
-            if (hdd == 0 && cpu == 0 && bios == 0) {
+            if (hwid.isNull()) {
                 LogHelper.warning("Null HWID");
             } else {
                 list.add(hwid);

LaunchServer/src/main/java/ru/gravit/launchserver/command/auth/BanCommand.java

@@ -3,7 +3,7 @@
 import java.util.List;
 
 import ru.gravit.launchserver.LaunchServer;
-import ru.gravit.launchserver.auth.hwid.HWID;
+import ru.gravit.launcher.HWID;
 import ru.gravit.launchserver.command.Command;
 
 public class BanCommand extends Command {

LaunchServer/src/main/java/ru/gravit/launchserver/command/auth/UnbanCommand.java

@@ -3,7 +3,7 @@
 import java.util.List;
 
 import ru.gravit.launchserver.LaunchServer;
-import ru.gravit.launchserver.auth.hwid.HWID;
+import ru.gravit.launcher.HWID;
 import ru.gravit.launchserver.command.Command;
 
 public class UnbanCommand extends Command {

LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java

@@ -7,6 +7,7 @@
 import javax.crypto.BadPaddingException;
 import javax.crypto.IllegalBlockSizeException;
 
+import ru.gravit.launcher.OshiHWID;
 import ru.gravit.launchserver.socket.Client;
 import ru.gravit.utils.helper.IOHelper;
 import ru.gravit.utils.helper.LogHelper;
@@ -19,7 +20,7 @@
 import ru.gravit.launcher.serialize.signed.SignedObjectHolder;
 import ru.gravit.launchserver.LaunchServer;
 import ru.gravit.launchserver.auth.AuthException;
-import ru.gravit.launchserver.auth.hwid.HWID;
+import ru.gravit.launcher.HWID;
 import ru.gravit.launchserver.auth.hwid.HWIDException;
 import ru.gravit.launchserver.auth.provider.AuthProvider;
 import ru.gravit.launchserver.auth.provider.AuthProviderResult;
@@ -45,9 +46,7 @@ public void reply() throws Exception {
         if (isClient)
             client = input.readString(SerializeLimits.MAX_CLIENT);
         int auth_id = input.readInt();
-        long hwid_hdd = input.readLong();
+        String hwid_str = input.readString(0);
-        long hwid_cpu = input.readLong();
-        long hwid_bios = input.readLong();
         if (auth_id + 1 > server.config.authProvider.length || auth_id < 0) auth_id = 0;
         byte[] encryptedPassword = input.readByteArray(SecurityHelper.CRYPTO_MAX_LENGTH);
         // Decrypt password
@@ -93,7 +92,7 @@ public void reply() throws Exception {
                     throw new AuthException("You profile not found");
                 }
             }
-            server.config.hwidHandler.check(HWID.gen(hwid_hdd, hwid_bios, hwid_cpu), result.username);
+            server.config.hwidHandler.check(OshiHWID.gson.fromJson(hwid_str,OshiHWID.class), result.username);
         } catch (AuthException | HWIDException e) {
             requestError(e.getMessage());
             return;

LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/auth/AuthResponse.java

@@ -5,7 +5,7 @@
 import ru.gravit.launcher.serialize.signed.SignedObjectHolder;
 import ru.gravit.launchserver.LaunchServer;
 import ru.gravit.launchserver.auth.AuthException;
-import ru.gravit.launchserver.auth.hwid.HWID;
+import ru.gravit.launcher.HWID;
 import ru.gravit.launchserver.auth.hwid.HWIDException;
 import ru.gravit.launchserver.auth.provider.AuthProvider;
 import ru.gravit.launchserver.auth.provider.AuthProviderResult;

Launcher/build.gradle

@@ -23,6 +23,7 @@
 dependencies {
     compile project(':LauncherAPI')
     compile 'org.javassist:javassist:3.23.1-GA'
+    compile group: 'com.github.oshi', name: 'oshi-core', version: '3.11.0'
 }
 
 task genRuntimeJS(type: Zip) {

Launcher/runtime/dialog/overlay/processing/processing.js

@@ -118,7 +118,7 @@ function makeSetProfileRequest(profile, callback) {
 
 function makeAuthRequest(login, rsaPassword, callback) {
     var task = rsaPassword === null ? newTask(offlineAuthRequest(login)) :
-        newRequestTask(new AuthRequest(login, rsaPassword));
+        newRequestTask(new AuthRequest(login, rsaPassword, FunctionalBridge.getHWID()));
     processing.setTaskProperties(task, callback, null, true);
     task.updateMessage("Авторизация на сервере");
     startTask(task);

Launcher/src/main/java/ru/gravit/launcher/FunctionalBridge.java

@@ -5,6 +5,7 @@
 import ru.gravit.launcher.client.ClientLauncher;
 import ru.gravit.launcher.hasher.FileNameMatcher;
 import ru.gravit.launcher.hasher.HashedDir;
+import ru.gravit.launcher.hwid.OshiHWIDProvider;
 import ru.gravit.launcher.request.Request;
 import ru.gravit.launcher.request.update.LegacyLauncherRequest;
 import ru.gravit.launcher.request.websockets.RequestInterface;
@@ -20,6 +21,8 @@ public class FunctionalBridge {
     public static LauncherSettings settings;
     @LauncherAPI
     public static RequestWorker worker;
+    @LauncherAPI
+    public static OshiHWIDProvider hwidProvider = new OshiHWIDProvider();
 
     @LauncherAPI
     public HashedDirRunnable offlineUpdateRequest(String dirName, Path dir, SignedObjectHolder<HashedDir> hdir, FileNameMatcher matcher, boolean digest) throws Exception {
@@ -65,4 +68,9 @@ public void startTask(@SuppressWarnings("rawtypes") Task task)
             LogHelper.error(e);
         }
     }
+    @LauncherAPI
+    public HWID getHWID()
+    {
+        return hwidProvider.getHWID();
+    }
 }

Launcher/src/main/java/ru/gravit/launcher/hwid/OshiHWIDProvider.java

@@ -0,0 +1,45 @@
+package ru.gravit.launcher.hwid;
+
+import oshi.SystemInfo;
+import oshi.hardware.HWDiskStore;
+import ru.gravit.launcher.HWID;
+import ru.gravit.launcher.LauncherHWIDInterface;
+import ru.gravit.launcher.OshiHWID;
+import ru.gravit.utils.helper.LogHelper;
+
+public class OshiHWIDProvider implements LauncherHWIDInterface {
+    public static SystemInfo systemInfo = new SystemInfo();
+    public String getSerial()
+    {
+        try {
+            return systemInfo.getHardware().getComputerSystem().getSerialNumber();
+        } catch (Exception e)
+        {
+            LogHelper.error(e);
+            return "";
+        }
+
+    }
+    public String getHWDisk()
+    {
+        for(HWDiskStore s : systemInfo.getHardware().getDiskStores())
+        {
+            if(!s.getModel().contains("USB"))
+                return s.getSerial();
+        }
+        return "";
+    }
+    public long getTotalMemory()
+    {
+        return systemInfo.getHardware().getMemory().getTotal();
+    }
+
+    @Override
+    public HWID getHWID() {
+        OshiHWID hwid = new OshiHWID();
+        hwid.serialNumber = getSerial();
+        hwid.totalMemory = getTotalMemory();
+        hwid.HWDiskSerial = getHWDisk();
+        return hwid;
+    }
+}

LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java

@@ -5,6 +5,7 @@
 import ru.gravit.launcher.Launcher;
 import ru.gravit.launcher.LauncherAPI;
 import ru.gravit.launcher.LauncherConfig;
+import ru.gravit.launcher.LauncherHWIDInterface;
 import ru.gravit.utils.helper.SecurityHelper;
 import ru.gravit.utils.helper.VerifyHelper;
 import ru.gravit.launcher.profiles.PlayerProfile;
@@ -33,31 +34,34 @@ private Result(PlayerProfile pp, String accessToken) {
 
     private final byte[] encryptedPassword;
     private final int auth_id;
+    private final LauncherHWIDInterface hwid;
 
     @LauncherAPI
-    public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword) {
+    public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword, LauncherHWIDInterface hwid) {
         super(config);
         this.login = VerifyHelper.verify(login, VerifyHelper.NOT_EMPTY, "Login can't be empty");
         this.encryptedPassword = encryptedPassword.clone();
+        this.hwid = hwid;
         auth_id = 0;
     }
 
     @LauncherAPI
-    public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword, int auth_id) {
+    public AuthRequest(LauncherConfig config, String login, byte[] encryptedPassword, LauncherHWIDInterface hwid, int auth_id) {
         super(config);
         this.login = VerifyHelper.verify(login, VerifyHelper.NOT_EMPTY, "Login can't be empty");
         this.encryptedPassword = encryptedPassword.clone();
+        this.hwid = hwid;
         this.auth_id = auth_id;
     }
 
     @LauncherAPI
-    public AuthRequest(String login, byte[] encryptedPassword) {
+    public AuthRequest(String login, byte[] encryptedPassword, LauncherHWIDInterface hwid) {
-        this(null, login, encryptedPassword);
+        this(null, login, encryptedPassword,hwid);
     }
 
     @LauncherAPI
-    public AuthRequest(String login, byte[] encryptedPassword, int auth_id) {
+    public AuthRequest(String login, byte[] encryptedPassword, LauncherHWIDInterface hwid, int auth_id) {
-        this(null, login, encryptedPassword, auth_id);
+        this(null, login, encryptedPassword, hwid, auth_id);
     }
 
     @Override
@@ -72,9 +76,7 @@ protected Result requestDo(HInput input, HOutput output) throws IOException {
         if (Launcher.profile != null)
             output.writeString(Launcher.profile.getTitle(), SerializeLimits.MAX_CLIENT);
         output.writeInt(auth_id);
-        output.writeLong(Launcher.isUsingAvanguard() ? GuardBind.avnGetHddId() : 0);
+        output.writeString(hwid.getHWID().getSerializeString(),0);
-        output.writeLong(Launcher.isUsingAvanguard() ? GuardBind.avnGetCpuid() : 0);
-        output.writeLong(Launcher.isUsingAvanguard() ? GuardBind.avnGetSmbiosId() : 0);
         output.writeByteArray(encryptedPassword, SecurityHelper.CRYPTO_MAX_LENGTH);
         output.flush();
 

libLauncher/src/main/java/ru/gravit/launcher/HWID.java

@@ -0,0 +1,6 @@
+package ru.gravit.launcher;
+
+public interface HWID {
+    String getSerializeString();
+    boolean isNull();
+}

libLauncher/src/main/java/ru/gravit/launcher/LauncherHWIDInterface.java

@@ -0,0 +1,5 @@
+package ru.gravit.launcher;
+
+public interface LauncherHWIDInterface {
+    HWID getHWID();
+}

libLauncher/src/main/java/ru/gravit/launcher/OshiHWID.java

@@ -0,0 +1,27 @@
+package ru.gravit.launcher;
+
+import com.google.gson.Gson;
+
+public class OshiHWID implements HWID {
+    public static Gson gson = new Gson();
+    public long totalMemory = 0;
+    public String serialNumber;
+    public String HWDiskSerial;
+
+    @Override
+    public String getSerializeString() {
+        return gson.toJson(this);
+    }
+    public int getLevel() //Уровень доверия, насколько уникальные значения
+    {
+        int result = 0;
+        if(totalMemory != 0) result++;
+        if(serialNumber != null) result+=5;
+        if(HWDiskSerial != null) result+=8;
+        return result;
+    }
+    @Override
+    public boolean isNull() {
+        return getLevel() < 2;
+    }
+}