mirror of
https://github.com/TheDeus-Group/TFM-4.3-Reloaded.git
synced 2024-10-31 23:19:20 +00:00
Hopefully fix the way we get UUIDs so we don't spoof them
This commit is contained in:
parent
25b7c61d21
commit
a3813b9ac9
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@ -0,0 +1,288 @@
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package me.StevenLawson.TotalFreedomMod.manager;
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import com.google.common.collect.ImmutableList;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.UUID;
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import java.util.concurrent.Callable;
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import me.StevenLawson.TotalFreedomMod.Log;
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import me.StevenLawson.TotalFreedomMod.TotalFreedomMod;
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import me.StevenLawson.TotalFreedomMod.player.PlayerData;
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import me.StevenLawson.TotalFreedomMod.sql.SQLiteDatabase;
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import me.StevenLawson.TotalFreedomMod.sql.SQLiteDatabase.Statement;
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import me.StevenLawson.TotalFreedomMod.util.SQLUtil;
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import org.apache.commons.lang3.StringUtils;
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import org.bukkit.Bukkit;
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import org.bukkit.OfflinePlayer;
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import org.bukkit.entity.Player;
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import org.json.simple.JSONArray;
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import org.json.simple.JSONObject;
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import org.json.simple.parser.JSONParser;
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public class UUIDManager {
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public static final String TABLE_NAME = "uuids";
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private static final SQLiteDatabase SQL;
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private static final Statement FIND;
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private static final Statement UPDATE;
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private UUIDManager() {
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throw new AssertionError();
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}
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static {
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SQL = new SQLiteDatabase(
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"uuids.db",
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TABLE_NAME,
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"username VARCHAR(" + TotalFreedomMod.MAX_USERNAME_LENGTH
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+ ") NOT NULL PRIMARY KEY, uuid CHAR(36) NOT NULL");
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FIND = SQL.addPreparedStatement(
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"SELECT * FROM " + TABLE_NAME + " WHERE lower(username) = ?;");
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UPDATE = SQL.addPreparedStatement(
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"REPLACE INTO " + TABLE_NAME + " (username, uuid) VALUES (?, ?);");
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}
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public static void load() {
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// Init DB
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SQL.connect();
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}
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public static void close() {
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SQL.close();
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}
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public static int purge() {
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return SQL.purge();
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}
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public static UUID newPlayer(Player player, String ip) {
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Log.info("Obtaining UUID for new player: " + player.getName());
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final String username = player.getName().toLowerCase();
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// Look in DB
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final UUID dbUuid = find(username);
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if (dbUuid != null) {
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return dbUuid;
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}
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// Find UUID and update in DB if not found
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// Try API
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UUID uuid = TFM_UuidResolver.getUUIDOf(username);
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if (uuid == null) {
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// Spoof
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uuid = generateSpoofUuid(username);
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}
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update(username, uuid);
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return uuid;
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}
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private static UUID generateOfflineUUID(String username) {
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return UUID.nameUUIDFromBytes(("OfflinePlayer:" + username).getBytes());
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}
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public static UUID getUniqueId(OfflinePlayer offlinePlayer) {
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// Online check first
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if (offlinePlayer.isOnline() && PlayerData.hasPlayerData(offlinePlayer.getPlayer())) {
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return PlayerData.getPlayerData(offlinePlayer.getPlayer()).getUniqueId();
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}
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// If the offline player's uuid isn't offline, just return that.
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if (!offlinePlayer.getUniqueId().equals(generateOfflineUUID(offlinePlayer.getName()))) {
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return offlinePlayer.getUniqueId();
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}
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// DB, API, Spoof
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return getUniqueId(offlinePlayer.getName());
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}
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public static UUID getUniqueId(String username) {
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// Use Bukkit
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final Player player = Bukkit.getPlayerExact(username);
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if (player != null) {
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return player.getUniqueId();
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}
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// Look in DB
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final UUID dbUuid = find(username);
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if (dbUuid != null) {
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return dbUuid;
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}
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// Try API
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final UUID apiUuid = TFM_UuidResolver.getUUIDOf(username);
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if (apiUuid != null) {
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return apiUuid;
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}
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// Spoof
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return generateSpoofUuid(username);
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}
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public static void rawSetUUID(String name, UUID uuid) {
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if (name == null || uuid == null || name.isEmpty()) {
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Log.warning("Not setting raw UUID: name and uuid may not be null!");
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return;
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}
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update(name.toLowerCase().trim(), uuid);
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}
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private static UUID find(String searchName) {
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if (!SQL.connect()) {
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return null;
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}
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final ResultSet result;
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try {
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final PreparedStatement statement = FIND.getStatement();
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statement.clearParameters();
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statement.setString(1, searchName.toLowerCase());
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result = statement.executeQuery();
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} catch (Exception ex) {
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Log.severe("Could not execute find statement!");
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Log.severe(ex);
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return null;
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}
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if (!SQLUtil.hasData(result)) {
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SQLUtil.close(result);
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return null;
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}
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try {
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final String uuidString = result.getString("uuid");
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return UUID.fromString(uuidString);
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} catch (Exception ex) {
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Log.severe(ex);
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return null;
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} finally {
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SQLUtil.close(result);
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}
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}
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private static boolean update(String username, UUID uuid) {
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if (!SQL.connect()) {
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return false;
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}
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try {
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final PreparedStatement statement = UPDATE.getStatement();
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statement.clearParameters();
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statement.setString(1, username.toLowerCase());
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statement.setString(2, uuid.toString());
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statement.executeUpdate();
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return true;
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} catch (Exception ex) {
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Log.severe("Could not execute update statement!");
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Log.severe(ex);
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return false;
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}
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}
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private static UUID generateSpoofUuid(String name) {
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name = name.toLowerCase();
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Log.info("Generating spoof UUID for " + name);
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try {
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final MessageDigest digest = MessageDigest.getInstance("SHA256");
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final byte[] result = digest.digest(name.getBytes());
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final StringBuilder builder = new StringBuilder();
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for (int i = 0; i < result.length; i++) {
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builder.append(Integer.toString((result[i] & 0xff) + 0x100, 16).substring(1));
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}
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return UUID.fromString(
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"deadbeef"
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+ "-" + builder.substring(8, 12)
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+ "-" + builder.substring(12, 16)
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+ "-" + builder.substring(16, 20)
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+ "-" + builder.substring(20, 32));
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} catch (NoSuchAlgorithmException ex) {
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Log.warning("Could not generate spoof UUID: SHA1 algorithm not found!");
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}
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return UUID.randomUUID();
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}
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public static class TFM_UuidResolver implements Callable<Map<String, UUID>> {
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private static final double PROFILES_PER_REQUEST = 100;
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private static final String PROFILE_URL = "https://api.mojang.com/profiles/minecraft";
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private final JSONParser jsonParser = new JSONParser();
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private final List<String> names;
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public TFM_UuidResolver(List<String> names) {
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this.names = ImmutableList.copyOf(names);
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}
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@Override
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public Map<String, UUID> call() {
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final Map<String, UUID> uuidMap = new HashMap<String, UUID>();
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int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST);
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for (int i = 0; i < requests; i++) {
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try {
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final URL url = new URL(PROFILE_URL);
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final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
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connection.setRequestMethod("POST");
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connection.setRequestProperty("Content-Type", "application/json");
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connection.setUseCaches(false);
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connection.setDoInput(true);
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connection.setDoOutput(true);
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final String body = JSONArray.toJSONString(
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names.subList(i * 100, Math.min((i + 1) * 100, names.size())));
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final OutputStream stream = connection.getOutputStream();
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stream.write(body.getBytes());
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stream.flush();
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stream.close();
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final JSONArray array = (JSONArray) jsonParser.parse(
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new InputStreamReader(connection.getInputStream()));
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for (Object profile : array) {
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final JSONObject jsonProfile = (JSONObject) profile;
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final String id = (String) jsonProfile.get("id");
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final String name = (String) jsonProfile.get("name");
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final UUID uuid = UUID.fromString(
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id.substring(0, 8)
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+ "-" + id.substring(8, 12)
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+ "-" + id.substring(12, 16)
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+ "-" + id.substring(16, 20)
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+ "-" + id.substring(20, 32));
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uuidMap.put(name, uuid);
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}
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if (i != requests - 1) {
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Thread.sleep(100L);
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}
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} catch (Exception ex) {
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Log.severe("Could not resolve UUID(s) of "
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+ StringUtils.join(
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names.subList(i * 100, Math.min((i + 1) * 100, names.size())), ", "));
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//Log.severe(ex);
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}
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}
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return uuidMap;
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}
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public static UUID getUUIDOf(String name) {
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return new TFM_UuidResolver(Arrays.asList(name)).call().get(name);
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}
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}
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}
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@ -1,262 +0,0 @@
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package me.StevenLawson.TotalFreedomMod.player;
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import com.google.common.collect.ImmutableList;
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import me.StevenLawson.TotalFreedomMod.Log;
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import me.StevenLawson.TotalFreedomMod.TotalFreedomMod;
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import me.StevenLawson.TotalFreedomMod.sql.SQLiteDatabase;
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import me.StevenLawson.TotalFreedomMod.sql.SQLiteDatabase.Statement;
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import me.StevenLawson.TotalFreedomMod.util.SQLUtil;
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import org.apache.commons.lang3.StringUtils;
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import org.bukkit.OfflinePlayer;
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import org.bukkit.entity.Player;
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import org.json.simple.JSONArray;
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import org.json.simple.JSONObject;
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import org.json.simple.parser.JSONParser;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.util.*;
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import java.util.concurrent.Callable;
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public class UUIDManager {
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public static final String TABLE_NAME = "uuids";
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private static final SQLiteDatabase SQL;
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private static final Statement FIND;
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private static final Statement UPDATE;
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private UUIDManager() {
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throw new AssertionError();
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}
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static {
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SQL = new SQLiteDatabase(
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"uuids.db",
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TABLE_NAME,
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"username VARCHAR(" + TotalFreedomMod.MAX_USERNAME_LENGTH + ") NOT NULL PRIMARY KEY, uuid CHAR(36) NOT NULL");
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FIND = SQL.addPreparedStatement("SELECT * FROM " + TABLE_NAME + " WHERE lower(username) = ?;");
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UPDATE = SQL.addPreparedStatement("REPLACE INTO " + TABLE_NAME + " (username, uuid) VALUES (?, ?);");
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}
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public static void load() {
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// Init DB
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SQL.connect();
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}
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public static void close() {
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SQL.close();
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}
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public static int purge() {
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return SQL.purge();
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}
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public static UUID newPlayer(Player player, String ip) {
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Log.info("Obtaining UUID for new player: " + player.getName());
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final String username = player.getName().toLowerCase();
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// Look in DB
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final UUID dbUuid = find(username);
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if (dbUuid != null) {
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return dbUuid;
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}
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// Find UUID and update in DB if not found
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// Try API
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UUID uuid = TFM_UuidResolver.getUUIDOf(username);
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if (uuid == null) {
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// Spoof
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uuid = generateSpoofUuid(username);
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}
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update(username, uuid);
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return uuid;
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}
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public static UUID getUniqueId(OfflinePlayer offlinePlayer) {
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// Online check first
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if (offlinePlayer.isOnline() && PlayerData.hasPlayerData(offlinePlayer.getPlayer())) {
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return PlayerData.getPlayerData(offlinePlayer.getPlayer()).getUniqueId();
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}
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// DB, API, Spoof
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return getUniqueId(offlinePlayer.getName());
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}
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public static UUID getUniqueId(String username) {
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// Look in DB
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final UUID dbUuid = find(username);
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if (dbUuid != null) {
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return dbUuid;
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}
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// Try API
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final UUID apiUuid = TFM_UuidResolver.getUUIDOf(username);
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if (apiUuid != null) {
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return apiUuid;
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}
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// Spoof
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return generateSpoofUuid(username);
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}
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public static void rawSetUUID(String name, UUID uuid) {
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if (name == null || uuid == null || name.isEmpty()) {
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Log.warning("Not setting raw UUID: name and uuid may not be null!");
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return;
|
|
||||||
}
|
|
||||||
|
|
||||||
update(name.toLowerCase().trim(), uuid);
|
|
||||||
}
|
|
||||||
|
|
||||||
private static UUID find(String searchName) {
|
|
||||||
if (!SQL.connect()) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
final ResultSet result;
|
|
||||||
try {
|
|
||||||
final PreparedStatement statement = FIND.getStatement();
|
|
||||||
statement.clearParameters();
|
|
||||||
statement.setString(1, searchName.toLowerCase());
|
|
||||||
result = statement.executeQuery();
|
|
||||||
} catch (Exception ex) {
|
|
||||||
Log.severe("Could not execute find statement!");
|
|
||||||
Log.severe(ex);
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!SQLUtil.hasData(result)) {
|
|
||||||
SQLUtil.close(result);
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
try {
|
|
||||||
final String uuidString = result.getString("uuid");
|
|
||||||
return UUID.fromString(uuidString);
|
|
||||||
} catch (Exception ex) {
|
|
||||||
Log.severe(ex);
|
|
||||||
return null;
|
|
||||||
} finally {
|
|
||||||
SQLUtil.close(result);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private static boolean update(String username, UUID uuid) {
|
|
||||||
if (!SQL.connect()) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
try {
|
|
||||||
final PreparedStatement statement = UPDATE.getStatement();
|
|
||||||
statement.clearParameters();
|
|
||||||
statement.setString(1, username.toLowerCase());
|
|
||||||
statement.setString(2, uuid.toString());
|
|
||||||
statement.executeUpdate();
|
|
||||||
return true;
|
|
||||||
} catch (Exception ex) {
|
|
||||||
Log.severe("Could not execute update statement!");
|
|
||||||
Log.severe(ex);
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private static UUID generateSpoofUuid(String name) {
|
|
||||||
name = name.toLowerCase();
|
|
||||||
Log.info("Generating spoof UUID for " + name);
|
|
||||||
|
|
||||||
try {
|
|
||||||
final MessageDigest digest = MessageDigest.getInstance("SHA256");
|
|
||||||
final byte[] result = digest.digest(name.getBytes());
|
|
||||||
final StringBuilder builder = new StringBuilder();
|
|
||||||
for (int i = 0; i < result.length; i++) {
|
|
||||||
builder.append(Integer.toString((result[i] & 0xff) + 0x100, 16).substring(1));
|
|
||||||
}
|
|
||||||
|
|
||||||
return UUID.fromString(
|
|
||||||
"deadbeef"
|
|
||||||
+ "-" + builder.substring(8, 12)
|
|
||||||
+ "-" + builder.substring(12, 16)
|
|
||||||
+ "-" + builder.substring(16, 20)
|
|
||||||
+ "-" + builder.substring(20, 32));
|
|
||||||
} catch (NoSuchAlgorithmException ex) {
|
|
||||||
Log.warning("Could not generate spoof UUID: SHA1 algorithm not found!");
|
|
||||||
}
|
|
||||||
|
|
||||||
return UUID.randomUUID();
|
|
||||||
}
|
|
||||||
|
|
||||||
public static class TFM_UuidResolver implements Callable<Map<String, UUID>> {
|
|
||||||
|
|
||||||
private static final double PROFILES_PER_REQUEST = 100;
|
|
||||||
private static final String PROFILE_URL = "https://api.mojang.com/profiles/minecraft";
|
|
||||||
private final JSONParser jsonParser = new JSONParser();
|
|
||||||
private final List<String> names;
|
|
||||||
|
|
||||||
public TFM_UuidResolver(List<String> names) {
|
|
||||||
this.names = ImmutableList.copyOf(names);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public Map<String, UUID> call() {
|
|
||||||
final Map<String, UUID> uuidMap = new HashMap<String, UUID>();
|
|
||||||
int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST);
|
|
||||||
for (int i = 0; i < requests; i++) {
|
|
||||||
try {
|
|
||||||
final URL url = new URL(PROFILE_URL);
|
|
||||||
final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
|
|
||||||
|
|
||||||
connection.setRequestMethod("POST");
|
|
||||||
connection.setRequestProperty("Content-Type", "application/json");
|
|
||||||
connection.setUseCaches(false);
|
|
||||||
connection.setDoInput(true);
|
|
||||||
connection.setDoOutput(true);
|
|
||||||
|
|
||||||
final String body = JSONArray.toJSONString(names.subList(i * 100, Math.min((i + 1) * 100, names.size())));
|
|
||||||
|
|
||||||
final OutputStream stream = connection.getOutputStream();
|
|
||||||
stream.write(body.getBytes());
|
|
||||||
stream.flush();
|
|
||||||
stream.close();
|
|
||||||
|
|
||||||
final JSONArray array = (JSONArray) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
|
|
||||||
|
|
||||||
for (Object profile : array) {
|
|
||||||
final JSONObject jsonProfile = (JSONObject) profile;
|
|
||||||
final String id = (String) jsonProfile.get("id");
|
|
||||||
final String name = (String) jsonProfile.get("name");
|
|
||||||
final UUID uuid = UUID.fromString(
|
|
||||||
id.substring(0, 8)
|
|
||||||
+ "-" + id.substring(8, 12)
|
|
||||||
+ "-" + id.substring(12, 16)
|
|
||||||
+ "-" + id.substring(16, 20)
|
|
||||||
+ "-" + id.substring(20, 32));
|
|
||||||
uuidMap.put(name, uuid);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (i != requests - 1) {
|
|
||||||
Thread.sleep(100L);
|
|
||||||
}
|
|
||||||
} catch (Exception ex) {
|
|
||||||
Log.severe("Could not resolve UUID(s) of "
|
|
||||||
+ StringUtils.join(names.subList(i * 100, Math.min((i + 1) * 100, names.size())), ", "));
|
|
||||||
//Log.severe(ex);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return uuidMap;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static UUID getUUIDOf(String name) {
|
|
||||||
return new TFM_UuidResolver(Arrays.asList(name)).call().get(name);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
Loading…
Reference in a new issue