187 lines
9.6 KiB
Java
187 lines
9.6 KiB
Java
/*
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* Copyright (c) 2013-present RedisBungee contributors
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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*
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* http://www.eclipse.org/legal/epl-v10.html
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*/
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package com.imaginarycode.minecraft.redisbungee.api.config;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.reflect.TypeToken;
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import com.imaginarycode.minecraft.redisbungee.api.RedisBungeeMode;
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import com.imaginarycode.minecraft.redisbungee.api.RedisBungeePlugin;
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import com.imaginarycode.minecraft.redisbungee.api.summoners.JedisClusterSummoner;
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import com.imaginarycode.minecraft.redisbungee.api.summoners.JedisPooledSummoner;
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import com.imaginarycode.minecraft.redisbungee.api.summoners.Summoner;
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import ninja.leaping.configurate.ConfigurationNode;
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import ninja.leaping.configurate.objectmapping.ObjectMappingException;
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import ninja.leaping.configurate.yaml.YAMLConfigurationLoader;
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import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
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import redis.clients.jedis.*;
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import redis.clients.jedis.providers.ClusterConnectionProvider;
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import redis.clients.jedis.providers.PooledConnectionProvider;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.StandardCopyOption;
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import java.util.*;
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public interface ConfigLoader {
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default void loadConfig(RedisBungeePlugin<?> plugin, File dataFolder) throws IOException {
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loadConfig(plugin, dataFolder.toPath());
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}
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default void loadConfig(RedisBungeePlugin<?> plugin, Path dataFolder) throws IOException {
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Path configFile = createConfigFile(dataFolder);
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final YAMLConfigurationLoader yamlConfigurationFileLoader = YAMLConfigurationLoader.builder().setPath(configFile).build();
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ConfigurationNode node = yamlConfigurationFileLoader.load();
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if (node.getNode("config-version").getInt(0) != RedisBungeeConfiguration.CONFIG_VERSION) {
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handleOldConfig(dataFolder);
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node = yamlConfigurationFileLoader.load();
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}
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final boolean useSSL = node.getNode("useSSL").getBoolean(false);
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final boolean overrideBungeeCommands = node.getNode("override-bungee-commands").getBoolean(false);
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final boolean registerLegacyCommands = node.getNode("register-legacy-commands").getBoolean(false);
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final boolean restoreOldKickBehavior = node.getNode("disable-kick-when-online").getBoolean(false);
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String redisPassword = node.getNode("redis-password").getString("");
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String redisUsername = node.getNode("redis-username").getString("");
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String proxyId = node.getNode("proxy-id").getString("test-1");
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final int maxConnections = node.getNode("max-redis-connections").getInt(10);
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List<String> exemptAddresses;
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try {
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exemptAddresses = node.getNode("exempt-ip-addresses").getList(TypeToken.of(String.class));
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} catch (ObjectMappingException e) {
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exemptAddresses = Collections.emptyList();
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}
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// check redis password
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if ((redisPassword.isEmpty() || redisPassword.equals("none"))) {
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redisPassword = null;
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plugin.logWarn("password is empty");
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}
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if ((redisUsername.isEmpty() || redisUsername.equals("none"))) {
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redisUsername = null;
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}
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if (useSSL) {
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plugin.logInfo("Using ssl");
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}
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// Configuration sanity checks.
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if (proxyId == null || proxyId.isEmpty()) {
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String genId = UUID.randomUUID().toString();
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plugin.logInfo("Generated proxy id " + genId + " and saving it to config.");
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node.getNode("proxy-id").setValue(genId);
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yamlConfigurationFileLoader.save(node);
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proxyId = genId;
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plugin.logInfo("proxy id was generated: " + proxyId);
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} else {
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plugin.logInfo("Loaded proxy id " + proxyId);
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}
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RedisBungeeConfiguration configuration = new RedisBungeeConfiguration(proxyId, exemptAddresses, registerLegacyCommands, overrideBungeeCommands, getMessagesFromPath(createMessagesFile(dataFolder)), restoreOldKickBehavior);
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Summoner<?> summoner;
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RedisBungeeMode redisBungeeMode;
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if (node.getNode("cluster-mode-enabled").getBoolean(false)) {
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plugin.logInfo("RedisBungee MODE: CLUSTER");
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Set<HostAndPort> hostAndPortSet = new HashSet<>();
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GenericObjectPoolConfig<Connection> poolConfig = new GenericObjectPoolConfig<>();
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poolConfig.setMaxTotal(maxConnections);
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poolConfig.setBlockWhenExhausted(true);
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node.getNode("redis-cluster-servers").getChildrenList().forEach((childNode) -> {
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Map<Object, ? extends ConfigurationNode> hostAndPort = childNode.getChildrenMap();
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String host = hostAndPort.get("host").getString();
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int port = hostAndPort.get("port").getInt();
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hostAndPortSet.add(new HostAndPort(host, port));
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});
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plugin.logInfo(hostAndPortSet.size() + " cluster nodes were specified");
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if (hostAndPortSet.isEmpty()) {
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throw new RuntimeException("No redis cluster servers specified");
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}
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summoner = new JedisClusterSummoner(new ClusterConnectionProvider(hostAndPortSet, DefaultJedisClientConfig.builder().user(redisUsername).password(redisPassword).ssl(useSSL).socketTimeoutMillis(5000).timeoutMillis(10000).build(), poolConfig));
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redisBungeeMode = RedisBungeeMode.CLUSTER;
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} else {
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plugin.logInfo("RedisBungee MODE: SINGLE");
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final String redisServer = node.getNode("redis-server").getString("127.0.0.1");
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final int redisPort = node.getNode("redis-port").getInt(6379);
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if (redisServer != null && redisServer.isEmpty()) {
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throw new RuntimeException("No redis server specified");
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}
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JedisPool jedisPool = null;
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if (node.getNode("enable-jedis-pool-compatibility").getBoolean(true)) {
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JedisPoolConfig config = new JedisPoolConfig();
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config.setMaxTotal(node.getNode("compatibility-max-connections").getInt(3));
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config.setBlockWhenExhausted(true);
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jedisPool = new JedisPool(config, redisServer, redisPort, 5000, redisUsername, redisPassword, useSSL);
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plugin.logInfo("Compatibility JedisPool was created");
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}
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GenericObjectPoolConfig<Connection> poolConfig = new GenericObjectPoolConfig<>();
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poolConfig.setMaxTotal(maxConnections);
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poolConfig.setBlockWhenExhausted(true);
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summoner = new JedisPooledSummoner(new PooledConnectionProvider(new ConnectionFactory(new HostAndPort(redisServer, redisPort), DefaultJedisClientConfig.builder().user(redisUsername).timeoutMillis(5000).ssl(useSSL).password(redisPassword).build()), poolConfig), jedisPool);
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redisBungeeMode = RedisBungeeMode.SINGLE;
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}
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plugin.logInfo("Successfully connected to Redis.");
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onConfigLoad(configuration, summoner, redisBungeeMode);
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}
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void onConfigLoad(RedisBungeeConfiguration configuration, Summoner<?> summoner, RedisBungeeMode mode);
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default ImmutableMap<RedisBungeeConfiguration.MessageType, String> getMessagesFromPath(Path path) throws IOException {
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final YAMLConfigurationLoader yamlConfigurationFileLoader = YAMLConfigurationLoader.builder().setPath(path).build();
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ConfigurationNode node = yamlConfigurationFileLoader.load();
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HashMap<RedisBungeeConfiguration.MessageType, String> messages = new HashMap<>();
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messages.put(RedisBungeeConfiguration.MessageType.LOGGED_IN_OTHER_LOCATION, node.getNode("logged-in-other-location").getString("§cLogged in from another location."));
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messages.put(RedisBungeeConfiguration.MessageType.ALREADY_LOGGED_IN, node.getNode("already-logged-in").getString("§cYou are already logged in!"));
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return ImmutableMap.copyOf(messages);
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}
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default Path createMessagesFile(Path dataFolder) throws IOException {
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if (Files.notExists(dataFolder)) {
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Files.createDirectory(dataFolder);
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}
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Path file = dataFolder.resolve("messages.yml");
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if (Files.notExists(file)) {
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try (InputStream in = getClass().getClassLoader().getResourceAsStream("messages.yml")) {
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Files.createFile(file);
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assert in != null;
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Files.copy(in, file, StandardCopyOption.REPLACE_EXISTING);
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}
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}
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return file;
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}
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default Path createConfigFile(Path dataFolder) throws IOException {
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if (Files.notExists(dataFolder)) {
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Files.createDirectory(dataFolder);
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}
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Path file = dataFolder.resolve("config.yml");
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if (Files.notExists(file)) {
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try (InputStream in = getClass().getClassLoader().getResourceAsStream("config.yml")) {
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Files.createFile(file);
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assert in != null;
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Files.copy(in, file, StandardCopyOption.REPLACE_EXISTING);
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}
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}
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return file;
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}
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default void handleOldConfig(Path dataFolder) throws IOException {
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Path oldConfigFolder = dataFolder.resolve("old_config");
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if (Files.notExists(oldConfigFolder)) {
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Files.createDirectory(oldConfigFolder);
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}
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Path oldConfigPath = dataFolder.resolve("config.yml");
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Files.move(oldConfigPath, oldConfigFolder.resolve(UUID.randomUUID() + "_config.yml"));
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createConfigFile(dataFolder);
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}
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}
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