Remove PlayLimitModule

src/main/java/io/ib67/sfcraft/SFCraftInitializer.java

@@ -52,7 +52,6 @@ public class SFCraftInitializer extends GuiceModInitializer {
         registerFeature(WelcomeModule.class);
         registerFeature(OfflineExemptModule.class);
         registerFeature(ElytraSpeedMeterModule.class);
-        registerFeature(PlayLimitModule.class);
         registerFeature(BackModule.class);
         registerFeature(ManagementModule.class);
         registerFeature(AFKModule.class);

src/main/java/io/ib67/sfcraft/config/SFConfig.java

@@ -9,17 +9,6 @@ import java.util.concurrent.ThreadLocalRandom;
 
 public class SFConfig {
     public boolean enableOfflineExempt = true;
-    public int maintainceStartHour = 13;
-    public int maintainceEndHour = 17;
-    public boolean disableTemporarily;
     public String domain = "localhost";
     public String serverSecret = RandomStringUtils.random(32);
-
-    public boolean isClosed(Clock clock) {
-        if (disableTemporarily) return false;
-        var hourOfDay = ZonedDateTime.now(clock).getHour();
-        var startHr = maintainceStartHour;
-        var endHr = maintainceEndHour;
-        return startHr < hourOfDay && hourOfDay < endHr;
-    }
 }

src/main/java/io/ib67/sfcraft/mixin/server/LegacyQueryHandlerMixin.java

@@ -28,9 +28,6 @@ public class LegacyQueryHandlerMixin {
     @Redirect(method = "channelRead", at = @At(value = "INVOKE", target = "Lnet/minecraft/network/handler/LegacyQueryHandler;getResponse(Lnet/minecraft/network/QueryableServer;)Ljava/lang/String;"))
     private String getResponse(QueryableServer server) {
         var version = server.getVersion();
-        if (address instanceof InetSocketAddress address) {
-            version = Helper.getVersionString(address);
-        }
         return String.format(
                 Locale.ROOT,
                 "§1\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",

src/main/java/io/ib67/sfcraft/module/PlayLimitModule.java

@@ -1,97 +0,0 @@
-package io.ib67.sfcraft.module;
-
-import com.google.inject.Inject;
-import com.mojang.brigadier.CommandDispatcher;
-import com.mojang.brigadier.builder.LiteralArgumentBuilder;
-import com.mojang.brigadier.context.CommandContext;
-import io.ib67.sfcraft.util.Helper;
-import io.ib67.sfcraft.util.SFConsts;
-import io.ib67.sfcraft.ServerModule;
-import io.ib67.sfcraft.callback.SFCallbacks;
-import io.ib67.sfcraft.config.SFConfig;
-import io.ib67.sfcraft.geoip.GeoIPService;
-import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
-import net.minecraft.command.CommandRegistryAccess;
-import net.minecraft.network.ClientConnection;
-import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.ServerMetadata;
-import net.minecraft.server.command.CommandManager;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.text.Text;
-import net.minecraft.util.Colors;
-
-import java.net.InetSocketAddress;
-import java.util.HashSet;
-import java.util.Optional;
-import java.util.Set;
-import java.util.function.Consumer;
-
-public class PlayLimitModule extends ServerModule {
-    private final Set<String> motdRequestedIps = new HashSet<>();
-    @Inject
-    GeoIPService geoIPService;
-    @Inject
-    SFConfig config;
-
-
-    @Override
-    public void onInitialize() {
-        SFCallbacks.PRE_LOGIN.register(this::onPreLogin);
-        SFCallbacks.MOTD.register(this::onMotd);
-        CommandRegistrationCallback.EVENT.register(this::registerCommand);
-    }
-
-    private void registerCommand(CommandDispatcher<ServerCommandSource> dispatcher, CommandRegistryAccess registryAccess, CommandManager.RegistrationEnvironment registrationEnvironment) {
-        dispatcher.register(LiteralArgumentBuilder.<ServerCommandSource>literal("unblockserver")
-                .requires(i -> isEnabled())
-                .requires(it -> it.hasPermissionLevel(2) || SFConsts.COMMAND_UNBLOCKSERVER.hasPermission(it.getPlayer()))
-                .executes(this::unblockServer));
-    }
-
-    public int unblockServer(CommandContext<ServerCommandSource> ctx) {
-        var state = config.disableTemporarily;
-        config.disableTemporarily = !state;
-        ctx.getSource().sendMessage(Text.of("Current state: " + !state));
-        return 0;
-    }
-
-    private ServerMetadata onMotd(MinecraftServer server, ClientConnection connection) {
-        var ip = connection.getAddressAsString(false);
-        var cached = motdRequestedIps.contains(ip);
-        if (!cached) {
-            motdRequestedIps.add(ip);
-        }
-        var originalMetadata = server.getServerMetadata();
-        if (originalMetadata == null) return null;
-        String version = null;
-        if (connection.getAddress() instanceof InetSocketAddress address) {
-            version = Helper.getVersionString(address);
-        }
-        if (version != null && isEnabled()) {
-            return new ServerMetadata(
-                    originalMetadata.description(),
-                    originalMetadata.players(),
-                    Optional.of(new ServerMetadata.Version(version, 0)),
-                    cached ? Optional.empty() : originalMetadata.favicon(),
-                    originalMetadata.secureChatEnforced()
-            );
-        } else {
-            return originalMetadata;
-        }
-
-    }
-
-    private void onPreLogin(String currentPlayer, ClientConnection connection, Consumer<Text> disconnect, boolean offline) {
-        if (isEnabled() && connection.getAddress() instanceof InetSocketAddress address) {
-            try {
-                var clock = geoIPService.clockOf(address.getAddress());
-                if (config.isClosed(clock) && !"iceBear67".equals(currentPlayer)) {
-                    final var msg = "§c§l服务器尚未开放\n\n§f服务器维护时间： §l%1$d~%2$d\n§c你的下午不值得浪费在游戏上，晚点再来吧！";
-                    disconnect.accept(Text.of(String.format(msg, config.maintainceStartHour, config.maintainceEndHour)));
-                }
-            } catch (Exception ignored) {
-                System.err.println("Failed to locate " + address.getAddress());
-            }
-        }
-    }
-}

src/main/java/io/ib67/sfcraft/module/WelcomeModule.java

@@ -52,7 +52,6 @@ public class WelcomeModule extends ServerModule {
             player.sendMessage(Text.of(" - 服务器内已有的设施均为其他玩家的财产，(如可以)使用时请注意礼貌"));
             player.sendMessage(Text.literal(" - 服务器内有一些非原版特性，可以点击此条消息查看 [特性列表]")
                     .styled(s -> s.withClickEvent(new ClickEvent(ClickEvent.Action.OPEN_URL, "https://wiki.sfclub.cc/s/sfcraft-features"))));
-            player.sendMessage(Text.of(" - 工作日下午 " + config.maintainceStartHour + " 至 " + config.maintainceEndHour + "点 为服务器维护时间 (防沉迷)"));
             player.sendMessage(Text.of("§c - 邀请新成员即等同为其作担保"));
             player.sendMessage(Text.of("§7如果您想邀请朋友加入服务器, 可以向管理员提出申请§7 (需备注正/盗版/小号)"));
             player.sendMessage(Text.of("§7此外, 本服务器无密码登录，盗版账号安全责任自负"));

src/main/java/io/ib67/sfcraft/util/Helper.java

@@ -77,20 +77,6 @@ public class Helper {
         return true;
     }
 
-    public static String getVersionString(InetSocketAddress address) {
-        var geoIp = SFCraft.getInjector().getInstance(GeoIPService.class);
-        var config = SFCraft.getInjector().getInstance(SFConfig.class);
-        try {
-            var clock = geoIp.clockOf(address.getAddress());
-            if (config.isClosed(clock)) {
-                return "防沉迷: " + config.maintainceStartHour + "~" + config.maintainceEndHour;
-            }
-        } catch (GeoIp2Exception ignored) {
-            return "Not Available!";
-        }
-        return null;
-    }
-
     @SneakyThrows
     public static Optional<String> getConfigResource(Path root, String resource) {
         if (Files.exists(root)) {