.github/workflows/build.yml

@@ -5,7 +5,7 @@ on:
     paths:
       - "**.java"
     branches:
-      - "master"
+      - "main"
   pull_request:
     paths:
       - "**.java"

README.md

@@ -4,55 +4,26 @@
 
 一个为第三方客户端开放GC命令执行接口的插件
 
-自 `1.7.0` 起可以通过 `|` 或者换行来分隔多条命令，例如：
-```shell
-/a 1 | /a 2
-/a 3
-```
-
-调用 `ping` 响应数据将包含插件版本号。
-
-## 使用本插件的应用
-- [GrasscutterTools](https://github.com/jie65535/GrasscutterCommandGenerator) —— Windows 客户端工具
-- [JGrasscutterCommand](https://github.com/jie65535/JGrasscutterCommand) —— [Mirai](https://github.com/mamoe/mirai) 插件，在QQ里执行命令
-- [Yunzai-GrasscutterCommand](https://github.com/Zyy-boop/Yunzai-GrasscutterCommand) —— Yunzai-bot插件，在QQ里执行命令
-- 待补充
-
 ## 服务端安装
 
 1. 在 [Release](https://github.com/jie65535/gc-opencommand-plugin/releases) 下载 `jar`
-2. 放入 `grasscutter/plugins` 文件夹
-3. 重启 `grasscutter` 即可生效
+2. 放入 `plugins` 文件夹即可
 
-## 玩家使用流程
-
-1. 在远程工具中填写服务地址，查询插件状态
-2. 填写UID，发送验证码（需要在线）
-3. 将游戏内收到的**4位整数验证码**填入工具校验
-4. 享受便利！
+> 注意，如果出现以下错误：
+> ```log
+> INFO:PluginManager Enabling plugin: opencommand-plugin
+> Exception in thread "main" java.lang.NoSuchMethodError: 'void emu.grasscutter.server.event.EventHandler.register(emu.grasscutter.plugin.Plugin)'
+> at com.github.jie65535.opencommand.OpenCommandPlugin.onEnable(OpenCommandPlugin.java:49)
+> at emu.grasscutter.plugin.PluginManager.lambda$enablePlugins$3(PluginManager.java:131)
+> ```
+> 请使用v1.2.1版本插件，因为该报错表示你的服务端是旧版！
 
 ## 控制台连接
 
 1. 首次启动时，会在 `plugins` 目录下生成一个 `opencommand-plugin` 目录，打开并编辑 `config.json`
-2. 设置 `consoleToken` 的值为你的连接秘钥，建议使用至少32字符的长随机字符串。（检测到为空时会自动生成，生成时会在控制台中输出）
+2. 设置 `consoleToken` 的值为你的连接秘钥，建议使用至少32字符的长随机字符串。
 3. 重新启动服务端即可生效配置
-4. 在工具中选择控制台身份，并填写你的 `consoleToken` 即可以控制台身份运行指令
-
----
-
-## 客户端请求流程
-
-1. `ping` 确认是否支持 `opencommand` 插件
-2. `sendCode` 向指定玩家发送验证码（1分钟内不允许重发），保存返回的 `token`
-3. 使用 `token` 和**4位整数验证码**发送 `verify` 校验
-4. 如果验证通过，可以使用该 `token` 执行 `command` 动作
-
-## 插件构建说明
-
-1. 克隆仓库
-2. 在目录下新建 `lib` 目录
-3. 将 `grasscutter.jar` 放入 `lib` 目录
-4. 执行 `gradle build`
+4. 在客户端中选择控制台身份，并填写你的 `consoleToken` 即可以控制台身份运行指令
 
 ## 多服务器
 ### 主服务器 (Dispatch)
@@ -68,13 +39,34 @@
 4. 设置 `socketDisplayName` 值为你的服务器名称 (用途请见[下方](https://github.com/jie65535/gc-opencommand-plugin#%E8%8E%B7%E5%8F%96%E5%A4%9A%E6%9C%8D%E5%8A%A1%E5%99%A8%E5%88%97%E8%A1%A8))
 5. 重新启动服务端即可生效配置
 
+## 构建说明
+
+1. 克隆仓库
+2. 在目录下新建 `lib` 目录
+3. 将 `grasscutter-1.1.x-dev.jar` 放入 `lib` 目录
+4. `gradle build`
+
+## 玩家使用流程
+
+1. 在客户端中填写服务地址，确认是否支持
+2. 填写UID，发送验证码
+3. 将游戏内收到的**4位整数验证码**填入客户端校验
+4. 享受便利！
+
+## 客户端请求流程
+
+1. `ping` 确认是否支持 `opencommand` 插件
+2. `sendCode` 向指定玩家发送验证码（1分钟内不允许重发），保存返回的 `token`
+3. 使用 `token` 和**4位整数验证码**发送 `verify` 校验
+4. 如果验证通过，可以使用该 `token` 执行 `command` 动作
+
 ---
 
 ## `config.json`
 
-```json5
+```json
 {
-  // 控制台连接令牌（检测到空时会自动生成）
+  // 控制台连接令牌
   "consoleToken": "",
   // 验证码过期时间（秒）
   "codeExpirationTime_S": 60,
@@ -261,7 +253,7 @@ public final class JsonResponse {
 | message | `Success` | `String`     |
 | data    | `{}`      | `JsonObject` |
 
-```json5
+```json
 {
   "retcode": 200,
   "message": "success",
@@ -294,4 +286,4 @@ public final class JsonResponse {
 |---------|------------------|----------|
 | retcode | `200`            | `Int`    |
 | message | `Success`        | `String` |
-| data    | `Command return` | `String` |
+| data    | `Command return` | `String` |

README_en-US.md

@@ -4,60 +4,20 @@
 
 A plugin that opens the GC command execution interface for third-party clients
 
-Since `1.7.0`, multiple commands can be separated by `|` or newline, for example:
-```shell
-/a 1 | /a 2
-/a 3
-```
-
-Invoking `ping` the response data will contain the plugin version.
-
-## Applications using this plug-in
-- [GrasscutterTools](https://github.com/jie65535/GrasscutterCommandGenerator) —— Windows Client Tools
-- [JGrasscutterCommand](https://github.com/jie65535/JGrasscutterCommand) —— [Mirai](https://github.com/mamoe/mirai) Plugin, run commands in QQ
-- [Yunzai-GrasscutterCommand](https://github.com/Zyy-boop/Yunzai-GrasscutterCommand) —— Yunzai-bot plugin, execute commands in QQ
-- More...
-
 ## Server installation
 
 1. Download the `jar` in [Release](https://github.com/jie65535/gc-opencommand-plugin/releases)
-2. Put it in the `grasscutter/plugins` folder
-3. Restart `grasscutter` server
-
-## Player
-
-1. Fill in the service address in the Tool to check plugin status
-2. Fill in the UID and send the verification code
-3. Fill in the **4-digit integer verification code** received in the game into the Tool verification
-4. Enjoy the convenience!
+2. Put it in the `plugins` folder
 
 ## Console connection
 
 1. When starting for the first time, a `opencommand-plugin` directory will be generated under the `plugins` directory,
    open and edit `config.json`
 2. Set the value of `consoleToken` to your connection key. It is recommended to use a long random string of at least 32
-   characters. (automatically generated when empty is detected)
+   characters.
 3. Restart the server to take effect
 4. Select the console identity in the client, and fill in your `consoleToken` to run the command as the console identity
 
----
-
-## Client request
-
-1. `ping` to confirm whether the `opencommand` plugin is supported
-2. `sendCode` sends a verification code to the specified player (re-send is not allowed within 1 minute), and save the
-   returned `token`
-3. Send `verify` check using `token` and **4-digit integer verification code**
-4. If the verification is passed, you can use the `token` to execute the `command` action
-
-## Build
-
-1. `git clone https://github.com/jie65535/gc-opencommand-plugin`
-2. `cd gc-opencommand-plugin`
-3. `mkdir lib`
-4. `mv path/to/grasscutter-1.x.x-dev.jar ./lib`
-5. `gradle build`
-
 ## Multi server
 ### Master server (Dispatch)
 1. Open `config.json` in the `opencommand-plugin` directory
@@ -72,28 +32,42 @@ Invoking `ping` the response data will contain the plugin version.
 4. Set the `socketDisplayName` value to your server name (See below for usage [Jump](https://github.com/jie65535/gc-opencommand-plugin/blob/master/README_en-US.md#get-mulit-server-list))
 5. Restart the server to make the configuration effective
 
+## Build
+
+1. `git clone https://github.com/jie65535/gc-opencommand-plugin`
+2. `cd gc-opencommand-plugin`
+3. `mkdir lib`
+4. `mv path/to/grasscutter-1.x.x-dev.jar ./lib`
+5. `gradle build`
+
+## Player
+
+1. Fill in the service address in the client to confirm whether it supports
+2. Fill in the UID and send the verification code
+3. Fill in the **4-digit integer verification code** received in the game into the client verification
+4. Enjoy the convenience!
+
+## Client request
+
+1. `ping` to confirm whether the `opencommand` plugin is supported
+2. `sendCode` sends a verification code to the specified player (re-send is not allowed within 1 minute), and save the
+   returned `token`
+3. Send `verify` check using `token` and **4-digit integer verification code**
+4. If the verification is passed, you can use the `token` to execute the `command` action
+
 ---
 
 ## `config.json`
 
-```json5
+```json
 {
-   // console connection token (automatically generated when empty is detected)
   "consoleToken": "",
-   // Verification code expiration time (seconds)
   "codeExpirationTime_S": 60,
-   // Temporary token expiration time (seconds)
   "tempTokenExpirationTime_S": 300,
-  // Authorization token last used expiration time (hours)
   "tokenLastUseExpirationTime_H": 48,
-   // Multi-server communication port
-   "socketPort": 5746,
-   // Multi-server communication key
-   "socketToken": "",
-   // Multi-server Dispatch server address
-   "socketHost": "127.0.0.1",
-   // multi-server display name
-   "socketDisplayName": ""
+  "socketPort": 5746,
+  "socketToken": "",
+  "socketHost": "127.0.0.1"
 }
 ```
 
@@ -265,7 +239,7 @@ Success
 | message | `Success`     | `String`     |
 | data    | `{}`          | `JsonObject` |
 
-```json5
+```json
 {
   "retcode": 200,
   "message": "success",
@@ -298,4 +272,4 @@ Success
 |---------|------------------|----------|
 | retcode | `200`            | `Int`    |
 | message | `Success`        | `String` |
-| data    | `Command return` | `String` |
+| data    | `Command return` | `String` |

build.gradle

@@ -4,7 +4,7 @@ plugins {
 }
 
 group 'com.github.jie65535.opencommand'
-version '1.7.0'
+version 'dev-1.4.0'
 
 sourceCompatibility = 17
 targetCompatibility = 17

src/main/java/com/github/jie65535/opencommand/EventListeners.java

@@ -24,52 +24,21 @@ import emu.grasscutter.game.player.Player;
 import emu.grasscutter.server.event.game.ReceiveCommandFeedbackEvent;
 import emu.grasscutter.server.event.player.PlayerJoinEvent;
 import emu.grasscutter.server.event.player.PlayerQuitEvent;
-import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
-import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+import emu.grasscutter.utils.MessageHandler;
 
 import java.util.ArrayList;
 
 public final class EventListeners {
 
-    private static StringBuilder consoleMessageHandler;
-    private static final Int2ObjectMap<StringBuilder> playerMessageHandlers = new Int2ObjectOpenHashMap<>();
+    private static MessageHandler consoleMessageHandler;
 
-    public static void setConsoleMessageHandler(StringBuilder handler) {
+    public static void setConsoleMessageHandler(MessageHandler handler) {
         consoleMessageHandler = handler;
     }
 
-    /**
-     * 获取新的玩家消息处理类
-     * 获取时将创建或清空消息处理器并返回实例，**在执行命令前获取！**
-     * @param uid 玩家uid
-     * @return 新的玩家消息处理类
-     */
-    public static StringBuilder getPlayerMessageHandler(int uid) {
-        var handler = playerMessageHandlers.get(uid);
-        if (handler == null) {
-            handler = new StringBuilder();
-            playerMessageHandlers.put(uid, handler);
-        }
-        return handler;
-    }
-
-    /**
-     * 命令执行反馈事件处理
-     */
     public static void onCommandResponse(ReceiveCommandFeedbackEvent event) {
-        StringBuilder handler;
-        if (event.getPlayer() == null) {
-            handler = consoleMessageHandler;
-        } else {
-            handler = playerMessageHandlers.get(event.getPlayer().getUid());
-        }
-
-        if (handler != null) {
-            if (!handler.isEmpty()) {
-                // New line
-                handler.append(System.lineSeparator());
-            }
-            handler.append(event.getMessage());
+        if (consoleMessageHandler != null && event.getPlayer() == null) {
+            consoleMessageHandler.setMessage(event.getMessage());
         }
     }
 
@@ -88,10 +57,6 @@ public final class EventListeners {
         SocketClient.sendPacket(playerList);
     }
 
-    /**
-     * 仅游戏模式下玩家离开事件处理方法
-     * 用于更新玩家列表
-     */
     public static void onPlayerQuit(PlayerQuitEvent playerQuitEvent) {
         PlayerList playerList = new PlayerList();
         playerList.player = Grasscutter.getGameServer().getPlayers().size();
@@ -105,15 +70,4 @@ public final class EventListeners {
         playerList.playerList = playerNames;
         SocketClient.sendPacket(playerList);
     }
-
-    /**
-     * 玩家离开事件处理 2
-     * 用于清理内存
-     */
-    public static void onPlayerQuit2(PlayerQuitEvent playerQuitEvent) {
-        var uid = playerQuitEvent.getPlayer().getUid();
-        if (playerMessageHandlers.containsKey(uid)) {
-            playerMessageHandlers.remove(uid);
-        }
-    }
 }

src/main/java/com/github/jie65535/opencommand/OpenCommandData.java

@@ -1,42 +0,0 @@
-package com.github.jie65535.opencommand;
-
-import com.github.jie65535.opencommand.model.Client;
-
-import java.util.Date;
-import java.util.Vector;
-
-/**
- * 插件持久化数据
- */
-public class OpenCommandData {
-
-    /**
-     * 连接的客户端列表
-     */
-    public Vector<Client> clients = new Vector<>();
-
-    /**
-     * 通过令牌获取客户端
-     * @param token 令牌
-     * @return 客户端对象，若未找到返回null
-     */
-    public Client getClientByToken(String token) {
-        for (var c : clients) {
-            if (c.token.equals(token))
-                return c;
-        }
-        return null;
-    }
-
-    /**
-     * 移除所有过期的客户端
-     */
-    public void removeExpiredClients() {
-        var now = new Date();
-        clients.removeIf(client -> client.tokenExpireTime.before(now));
-    }
-
-    public void addClient(Client client) {
-        clients.add(client);
-    }
-}

src/main/java/com/github/jie65535/opencommand/OpenCommandHandler.java

@@ -19,12 +19,11 @@ package com.github.jie65535.opencommand;
 
 import com.github.jie65535.opencommand.json.JsonRequest;
 import com.github.jie65535.opencommand.json.JsonResponse;
-import com.github.jie65535.opencommand.model.Client;
 import com.github.jie65535.opencommand.socket.SocketData;
 import emu.grasscutter.command.CommandMap;
-import emu.grasscutter.game.player.Player;
 import emu.grasscutter.server.http.Router;
 import emu.grasscutter.utils.Crypto;
+import emu.grasscutter.utils.MessageHandler;
 import emu.grasscutter.utils.Utils;
 import io.javalin.Javalin;
 import io.javalin.http.Context;
@@ -43,152 +42,147 @@ public final class OpenCommandHandler implements Router {
         javalin.post("/opencommand/api", OpenCommandHandler::handle);
     }
 
+    private static final Map<String, Integer> clients = new HashMap<>();
+    private static final Map<String, Date> tokenExpireTime = new HashMap<>();
     private static final Map<String, Integer> codes = new HashMap<>();
     private static final Int2ObjectMap<Date> codeExpireTime = new Int2ObjectOpenHashMap<>();
 
-
     public static void handle(Context context) {
+        // Trigger cleanup action
+        cleanupExpiredData();
         var plugin = OpenCommandPlugin.getInstance();
-        try {
-            var config = plugin.getConfig();
-            var data = plugin.getData();
-            var now = new Date();
-            // Trigger cleanup action
-            cleanupExpiredCodes();
-            data.removeExpiredClients();
+        var config = plugin.getConfig();
+        var now = new Date();
 
-            var req = context.bodyAsClass(JsonRequest.class);
-            if (req.action.equals("sendCode")) {
-                int playerId = (int)Double.parseDouble(req.data.toString());
-                var player = plugin.getServer().getPlayerByUid(playerId);
-                if (player == null) {
-                    context.json(new JsonResponse(404, "Player Not Found."));
-                } else {
-                    if (codeExpireTime.containsKey(playerId)) {
-                        var expireTime = codeExpireTime.get(playerId);
-                        if (now.before(expireTime)) {
-                            context.json(new JsonResponse(403, "Requests are too frequent"));
-                            return;
-                        }
-                    }
-
-                    String token = req.token;
-                    if (token == null || token.isEmpty())
-                        token = Utils.bytesToHex(Crypto.createSessionKey(32));
-                    int code = Utils.randomRange(1000, 9999);
-                    codeExpireTime.put(playerId, new Date(now.getTime() + config.codeExpirationTime_S * 1000L));
-                    codes.put(token, code);
-                    data.addClient(new Client(token, playerId, new Date(now.getTime() + config.tempTokenExpirationTime_S * 1000L)));
-                    player.dropMessage("[Open Command] Verification code: " + code);
-                    context.json(new JsonResponse(token));
-                }
-                return;
-            } else if (req.action.equals("ping")) {
-                context.json(new JsonResponse(plugin.getVersion()));
-                return;
-            } else if (req.action.equals("online")) {
-                var p = new ArrayList<String>();
-                plugin.getServer().getPlayers().forEach((uid, player) -> p.add(player.getNickname()));
-                context.json(new JsonResponse(200, "Success", new SocketData.OnlinePlayer(p)));
-                return;
-            }
-
-            // token is required
-            if (req.token == null || req.token.isEmpty()) {
-                context.json(new JsonResponse(401, "Unauthorized"));
-                return;
-            }
-            var isConsole = req.token.equals(config.consoleToken);
-            var client = data.getClientByToken(req.token);
-            if (!isConsole && client == null) {
-                context.json(new JsonResponse(401, "Unauthorized"));
-                return;
-            }
-
-            if (isConsole) {
-                if (req.action.equals("verify")) {
-                    context.json(new JsonResponse());
-                    return;
-                } else if (req.action.equals("command")) {
-                    //noinspection SynchronizationOnLocalVariableOrMethodParameter
-                    synchronized (plugin) {
-                        try {
-                            plugin.getLogger().info(String.format("IP: %s run command in console > %s", context.ip(), req.data));
-                            var resultCollector = new StringBuilder();
-                            EventListeners.setConsoleMessageHandler(resultCollector);
-                            tryInvokeCommand(null, null, req.data.toString());
-                            context.json(new JsonResponse(resultCollector.toString()));
-                        } catch (Exception e) {
-                            plugin.getLogger().warn("Run command failed.", e);
-                            EventListeners.setConsoleMessageHandler(null);
-                            context.json(new JsonResponse(500, "error", e.getLocalizedMessage()));
-                        }
-                    }
-                    return;
-                } else if (req.action.equals("runmode")) {
-                    context.json(new JsonResponse(200, "Success", 0));
-                    return;
-                }
-            } else if (codes.containsKey(req.token)) {
-                if (req.action.equals("verify")) {
-                    if (codes.get(req.token) == (int)Double.parseDouble(req.data.toString())) {
-                        codes.remove(req.token);
-                        // update token expire time
-                        client.tokenExpireTime = new Date(now.getTime() + config.tokenLastUseExpirationTime_H * 60L * 60L * 1000L);
-                        context.json(new JsonResponse());
-                        plugin.getLogger().info(String.format("Player %d has passed the verification, ip: %s", client.playerId, context.ip()));
-                        plugin.saveData();
-                    } else {
-                        context.json(new JsonResponse(400, "Verification failed"));
-                    }
-                    return;
-                }
+        var req = context.bodyAsClass(JsonRequest.class);
+        if (req.action.equals("sendCode")) {
+            int playerId = (int) req.data;
+            var player = plugin.getServer().getPlayerByUid(playerId);
+            if (player == null) {
+                context.json(new JsonResponse(404, "Player Not Found."));
             } else {
-                if (req.action.equals("command")) {
-                    // update token expire time
-                    client.tokenExpireTime = new Date(now.getTime() + config.tokenLastUseExpirationTime_H * 60L * 60L * 1000L);
-                    var player = plugin.getServer().getPlayerByUid(client.playerId);
-                    if (player == null) {
-                        context.json(new JsonResponse(404, "Player not found"));
+                if (codeExpireTime.containsKey(playerId)) {
+                    var expireTime = codeExpireTime.get(playerId);
+                    if (now.before(expireTime)) {
+                        context.json(new JsonResponse(403, "Requests are too frequent"));
                         return;
                     }
-                    // Player MessageHandler do not support concurrency
-                    var handler = EventListeners.getPlayerMessageHandler(player.getUid());
-                    //noinspection SynchronizationOnLocalVariableOrMethodParameter
-                    synchronized (handler) {
-                        try {
-                            handler.setLength(0);
-                            tryInvokeCommand(player, player, req.data.toString());
-                            context.json(new JsonResponse(handler.toString()));
-                        } catch (Exception e) {
-                            plugin.getLogger().warn("Run command failed.", e);
-                            context.json(new JsonResponse(500, "error", e.getLocalizedMessage()));
-                        }
+                }
+
+                String token = req.token;
+                if (token == null || token.isEmpty())
+                    token = Utils.bytesToHex(Crypto.createSessionKey(32));
+                int code = Utils.randomRange(1000, 9999);
+                codeExpireTime.put(playerId, new Date(now.getTime() + config.codeExpirationTime_S * 1000L));
+                tokenExpireTime.put(token, new Date(now.getTime() + config.tempTokenExpirationTime_S * 1000L));
+                codes.put(token, code);
+                clients.put(token, playerId);
+                player.dropMessage("[Open Command] Verification code: " + code);
+                context.json(new JsonResponse(token));
+            }
+            return;
+        } else if (req.action.equals("ping")) {
+            context.json(new JsonResponse());
+            return;
+        } else if (req.action.equals("online")) {
+            var p = new ArrayList<String>();
+            plugin.getServer().getPlayers().forEach((uid, player) -> p.add(player.getNickname()));
+            context.json(new JsonResponse(200, "Success", new SocketData.OnlinePlayer(p)));
+            return;
+        }
+
+        // token is required
+        if (req.token == null || req.token.isEmpty()) {
+            context.json(new JsonResponse(401, "Unauthorized"));
+            return;
+        }
+        var isConsole = req.token.equals(config.consoleToken);
+        if (!isConsole && !clients.containsKey(req.token)) {
+            context.json(new JsonResponse(401, "Unauthorized"));
+            return;
+        }
+
+        if (isConsole) {
+            if (req.action.equals("verify")) {
+                context.json(new JsonResponse());
+                return;
+            } else if (req.action.equals("command")) {
+                //noinspection SynchronizationOnLocalVariableOrMethodParameter
+                synchronized (plugin) {
+                    try {
+                        plugin.getLogger().info(String.format("IP: %s run command in console > %s", context.ip(), req.data));
+                        var resultCollector = new MessageHandler();
+                        EventListeners.setConsoleMessageHandler(resultCollector);
+                        CommandMap.getInstance().invoke(null, null, req.data.toString());
+                        context.json(new JsonResponse(resultCollector.getMessage()));
+                    } catch (Exception e) {
+                        plugin.getLogger().warn("Run command failed.", e);
+                        EventListeners.setConsoleMessageHandler(null);
+                        context.json(new JsonResponse(500, "error", e.getLocalizedMessage()));
                     }
+                }
+                return;
+            } else if (req.action.equals("runmode")) {
+                context.json(new JsonResponse(200, "Success", 0));
+                return;
+            }
+        } else if (codes.containsKey(req.token)) {
+            if (req.action.equals("verify")) {
+                if (codes.get(req.token).equals(req.data)) {
+                    codes.remove(req.token);
+                    // update token expire time
+                    tokenExpireTime.put(req.token, new Date(now.getTime() + config.tokenLastUseExpirationTime_H * 60L * 60L * 1000L));
+                    context.json(new JsonResponse());
+                    plugin.getLogger().info(String.format("Player %d has passed the verification, ip: %s", clients.get(req.token), context.ip()));
+                } else {
+                    context.json(new JsonResponse(400, "Verification failed"));
+                }
+                return;
+            }
+        } else {
+            if (req.action.equals("command")) {
+                // update token expire time
+                tokenExpireTime.put(req.token, new Date(now.getTime() + config.tokenLastUseExpirationTime_H * 60L * 60L * 1000L));
+                var playerId = clients.get(req.token);
+                var player = plugin.getServer().getPlayerByUid(playerId);
+                var command = req.data.toString();
+                if (player == null) {
+                    context.json(new JsonResponse(404, "Player not found"));
                     return;
                 }
+                // Player MessageHandler do not support concurrency
+                //noinspection SynchronizationOnLocalVariableOrMethodParameter
+                synchronized (player) {
+                    try {
+                        var resultCollector = new MessageHandler();
+                        player.setMessageHandler(resultCollector);
+                        CommandMap.getInstance().invoke(player, player, command);
+                        context.json(new JsonResponse(resultCollector.getMessage()));
+                    } catch (Exception e) {
+                        plugin.getLogger().warn("Run command failed.", e);
+                        context.json(new JsonResponse(500, "error", e.getLocalizedMessage()));
+                    } finally {
+                        player.setMessageHandler(null);
+                    }
+                }
+                return;
             }
-            context.json(new JsonResponse(403, "forbidden"));
-        } catch (Throwable ex) {
-            plugin.getLogger().error("[OpenCommand] handler error.", ex);
         }
+        context.json(new JsonResponse(403, "forbidden"));
     }
 
-    private static void tryInvokeCommand(Player sender, Player target, String rawMessage) {
-        for (var command : rawMessage.split("\n[/!]|\\|")) {
-            command = command.trim();
-            if (command.isEmpty()) continue;
-            if (command.charAt(0) == '/' || command.charAt(0) == '!') {
-                command = command.substring(1);
-            }
-            CommandMap.getInstance().invoke(sender, target, command);
-        }
-    }
-
-    private static void cleanupExpiredCodes() {
+    private static void cleanupExpiredData() {
         var now = new Date();
         codeExpireTime.int2ObjectEntrySet().removeIf(entry -> entry.getValue().before(now));
-        if (codeExpireTime.isEmpty())
-            codes.clear();
+
+        var it = tokenExpireTime.entrySet().iterator();
+        while (it.hasNext()) {
+            var entry = it.next();
+            if (entry.getValue().before(now)) {
+                it.remove();
+                // remove expired token
+                clients.remove(entry.getKey());
+            }
+        }
     }
 }

src/main/java/com/github/jie65535/opencommand/OpenCommandOnlyHttpHandler.java

@@ -19,7 +19,6 @@ package com.github.jie65535.opencommand;
 
 import com.github.jie65535.opencommand.json.JsonRequest;
 import com.github.jie65535.opencommand.json.JsonResponse;
-import com.github.jie65535.opencommand.model.Client;
 import com.github.jie65535.opencommand.socket.SocketData;
 import com.github.jie65535.opencommand.socket.SocketDataWait;
 import com.github.jie65535.opencommand.socket.SocketServer;
@@ -46,170 +45,174 @@ public final class OpenCommandOnlyHttpHandler implements Router {
         javalin.post("/opencommand/api", OpenCommandOnlyHttpHandler::handle);
     }
 
+    private static final Map<String, Integer> clients = new HashMap<>();
+    private static final Map<String, Date> tokenExpireTime = new HashMap<>();
     private static final Map<String, Integer> codes = new HashMap<>();
     private static final Int2ObjectMap<Date> codeExpireTime = new Int2ObjectOpenHashMap<>();
 
     public static void handle(Context context) {
+        // Trigger cleanup action
+        cleanupExpiredData();
         var plugin = OpenCommandPlugin.getInstance();
-        try {
-            var config = plugin.getConfig();
-            var data = plugin.getData();
-            var now = new Date();
-            // Trigger cleanup action
-            cleanupExpiredCodes();
-            data.removeExpiredClients();
+        var config = plugin.getConfig();
+        var now = new Date();
 
-            var req = context.bodyAsClass(JsonRequest.class);
-            if (req.action.equals("sendCode")) {
-                int playerId = (int)Double.parseDouble(req.data.toString());
-                var player = SocketData.getPlayer(playerId);
-                if (player == null) {
-                    context.json(new JsonResponse(404, "Player Not Found."));
-                } else {
-                    if (codeExpireTime.containsKey(playerId)) {
-                        var expireTime = codeExpireTime.get(playerId);
-                        if (now.before(expireTime)) {
-                            context.json(new JsonResponse(403, "Requests are too frequent"));
-                            return;
-                        }
+        var req = context.bodyAsClass(JsonRequest.class);
+        if (req.action.equals("sendCode")) {
+            int playerId = (int) req.data;
+            var player = SocketData.getPlayer(playerId);
+            if (player == null) {
+                context.json(new JsonResponse(404, "Player Not Found."));
+            } else {
+                if (codeExpireTime.containsKey(playerId)) {
+                    var expireTime = codeExpireTime.get(playerId);
+                    if (now.before(expireTime)) {
+                        context.json(new JsonResponse(403, "Requests are too frequent"));
+                        return;
                     }
-
-                    String token = req.token;
-                    if (token == null || token.isEmpty())
-                        token = Utils.bytesToHex(Crypto.createSessionKey(32));
-                    int code = Utils.randomRange(1000, 9999);
-                    codeExpireTime.put(playerId, new Date(now.getTime() + config.codeExpirationTime_S * 1000L));
-                    codes.put(token, code);
-                    data.addClient(new Client(token, playerId, new Date(now.getTime() + config.tempTokenExpirationTime_S * 1000L)));
-                    Player.dropMessage(playerId, "[Open Command] Verification code: " + code);
-                    context.json(new JsonResponse(token));
                 }
-                return;
-            } else if (req.action.equals("ping")) {
+
+                String token = req.token;
+                if (token == null || token.isEmpty())
+                    token = Utils.bytesToHex(Crypto.createSessionKey(32));
+                int code = Utils.randomRange(1000, 9999);
+                codeExpireTime.put(playerId, new Date(now.getTime() + config.codeExpirationTime_S * 1000L));
+                tokenExpireTime.put(token, new Date(now.getTime() + config.tempTokenExpirationTime_S * 1000L));
+                codes.put(token, code);
+                clients.put(token, playerId);
+                Player.dropMessage(playerId, "[Open Command] Verification code: " + code);
+                context.json(new JsonResponse(token));
+            }
+            return;
+        } else if (req.action.equals("ping")) {
+            context.json(new JsonResponse());
+            return;
+        } else if (req.action.equals("online")) {
+            context.json(new JsonResponse(200, "Success", SocketData.getOnlinePlayer()));
+            return;
+        }
+
+        // token is required
+        if (req.token == null || req.token.isEmpty()) {
+            context.json(new JsonResponse(401, "Unauthorized"));
+            return;
+        }
+        var isConsole = req.token.equals(config.consoleToken);
+        if (!isConsole && !clients.containsKey(req.token)) {
+            context.json(new JsonResponse(401, "Unauthorized"));
+            return;
+        }
+
+        if (isConsole) {
+            if (req.action.equals("verify")) {
                 context.json(new JsonResponse());
                 return;
-            } else if (req.action.equals("online")) {
-                context.json(new JsonResponse(200, "Success", SocketData.getOnlinePlayer()));
-                return;
-            }
-
-            // token is required
-            if (req.token == null || req.token.isEmpty()) {
-                context.json(new JsonResponse(401, "Unauthorized"));
-                return;
-            }
-            var isConsole = req.token.equals(config.consoleToken);
-            var client = data.getClientByToken(req.token);
-            if (!isConsole && client == null) {
-                context.json(new JsonResponse(401, "Unauthorized"));
-                return;
-            }
-
-            if (isConsole) {
-                if (req.action.equals("verify")) {
-                    context.json(new JsonResponse());
-                    return;
-                } else if (req.action.equals("command")) {
-                    var server = SocketServer.getClientInfoByUuid(req.server);
-                    if (server == null) {
-                        context.json(new JsonResponse(404, "Server Not Found."));
-                        return;
-                    }
-                    plugin.getLogger().info(String.format("IP: %s run command in console > %s", context.ip(), req.data));
-                    var wait = new SocketDataWait<HttpPacket>(2000L) {
-                        @Override
-                        public void run() {
-                        }
-
-                        @Override
-                        public HttpPacket initData(HttpPacket data) {
-                            return data;
-                        }
-
-                        @Override
-                        public void timeout() {
-                        }
-                    };
-
-                    SocketServer.sendPacketAndWait(server.ip, new RunConsoleCommand(req.data.toString()), wait);
-                    var packet = wait.getData();
-                    if (packet == null) {
-                        context.json(new JsonResponse(408, "Timeout"));
-                        return;
-                    }
-                    context.json(new JsonResponse(packet.code, packet.message, packet.data));
-                    return;
-                } else if (req.action.equals("server")) {
-                    context.json(new JsonResponse(200, "Success", SocketServer.getOnlineClient()));
-                    return;
-                } else if (req.action.equals("runmode")) {
-                    context.json(new JsonResponse(200, "Success", 1));
+            } else if (req.action.equals("command")) {
+                var server = SocketServer.getClientInfoByUuid(req.server);
+                if (server == null) {
+                    context.json(new JsonResponse(404, "Server Not Found."));
                     return;
                 }
-            } else if (codes.containsKey(req.token)) {
-                if (req.action.equals("verify")) {
-                    if (codes.get(req.token) == (int)Double.parseDouble(req.data.toString())) {
-                        codes.remove(req.token);
-                        // update token expire time
-                        client.tokenExpireTime = new Date(now.getTime() + config.tokenLastUseExpirationTime_H * 60L * 60L * 1000L);
-                        context.json(new JsonResponse());
-                        plugin.getLogger().info(String.format("Player %d has passed the verification, ip: %s", client.playerId, context.ip()));
-                        plugin.saveData();
-                    } else {
-                        context.json(new JsonResponse(400, "Verification failed"));
+                plugin.getLogger().info(String.format("IP: %s run command in console > %s", context.ip(), req.data));
+                var wait = new SocketDataWait<HttpPacket>(2000L) {
+                    @Override
+                    public void run() {
                     }
+
+                    @Override
+                    public HttpPacket initData(HttpPacket data) {
+                        return data;
+                    }
+
+                    @Override
+                    public void timeout() {
+                    }
+                };
+
+                SocketServer.sendPacketAndWait(server.ip, new RunConsoleCommand(req.data.toString()), wait);
+                var data = wait.getData();
+                if (data == null) {
+                    context.json(new JsonResponse(408, "Timeout"));
                     return;
                 }
-            } else {
-                if (req.action.equals("command")) {
-                    SocketDataWait<HttpPacket> socketDataWait = new SocketDataWait<>(1000L * 10L) {
-                        @Override
-                        public void run() {
-                        }
-
-                        @Override
-                        public HttpPacket initData(HttpPacket data) {
-                            return data;
-                        }
-
-                        @Override
-                        public void timeout() {
-                        }
-                    };
-
+                context.json(new JsonResponse(data.code, data.message, data.data));
+                return;
+            } else if (req.action.equals("server")) {
+                context.json(new JsonResponse(200, "Success", SocketServer.getOnlineClient()));
+                return;
+            } else if (req.action.equals("runmode")) {
+                context.json(new JsonResponse(200, "Success", 1));
+                return;
+            }
+        } else if (codes.containsKey(req.token)) {
+            if (req.action.equals("verify")) {
+                if (codes.get(req.token).equals(req.data)) {
+                    codes.remove(req.token);
                     // update token expire time
-                    client.tokenExpireTime = new Date(now.getTime() + config.tokenLastUseExpirationTime_H * 60L * 60L * 1000L);
-                    var command = req.data.toString();
-                    var player = new Player();
-                    player.uid = client.playerId;
-                    player.type = PlayerEnum.RunCommand;
-                    player.data = command;
-
-                    if (!SocketServer.sendUidPacketAndWait(client.playerId, player, socketDataWait)) {
-                        context.json(new JsonResponse(404, "Player Not Found."));
-                        return;
+                    tokenExpireTime.put(req.token, new Date(now.getTime() + config.tokenLastUseExpirationTime_H * 60L * 60L * 1000L));
+                    context.json(new JsonResponse());
+                    plugin.getLogger().info(String.format("Player %d has passed the verification, ip: %s", clients.get(req.token), context.ip()));
+                } else {
+                    context.json(new JsonResponse(400, "Verification failed"));
+                }
+                return;
+            }
+        } else {
+            if (req.action.equals("command")) {
+                SocketDataWait<HttpPacket> socketDataWait = new SocketDataWait<>(1000L * 10L) {
+                    @Override
+                    public void run() {
                     }
 
-
-                    HttpPacket httpPacket = socketDataWait.getData();
-                    if (httpPacket == null) {
-                        context.json(new JsonResponse(500, "error", "Wait timeout"));
-                        return;
+                    @Override
+                    public HttpPacket initData(HttpPacket data) {
+                        return data;
                     }
-                    context.json(new JsonResponse(httpPacket.code, httpPacket.message));
+
+                    @Override
+                    public void timeout() {
+                    }
+                };
+
+                // update token expire time
+                tokenExpireTime.put(req.token, new Date(now.getTime() + config.tokenLastUseExpirationTime_H * 60L * 60L * 1000L));
+                var playerId = clients.get(req.token);
+                var command = req.data.toString();
+                var player = new Player();
+                player.uid = playerId;
+                player.type = PlayerEnum.RunCommand;
+                player.data = command;
+
+                if (!SocketServer.sendUidPacketAndWait(playerId, player, socketDataWait)) {
+                    context.json(new JsonResponse(404, "Player Not Found."));
                     return;
                 }
+
+
+                HttpPacket httpPacket = socketDataWait.getData();
+                if (httpPacket == null) {
+                    context.json(new JsonResponse(500, "error", "Wait timeout"));
+                    return;
+                }
+                context.json(new JsonResponse(httpPacket.code, httpPacket.message));
+                return;
             }
-            context.json(new JsonResponse(403, "forbidden"));
-        } catch (Exception ex) {
-            plugin.getLogger().error("[OpenCommand] handler error.", ex);
         }
+        context.json(new JsonResponse(403, "forbidden"));
     }
 
-    private static void cleanupExpiredCodes() {
+    private static void cleanupExpiredData() {
         var now = new Date();
         codeExpireTime.int2ObjectEntrySet().removeIf(entry -> entry.getValue().before(now));
-        if (codeExpireTime.isEmpty())
-            codes.clear();
+
+        var it = tokenExpireTime.entrySet().iterator();
+        while (it.hasNext()) {
+            var entry = it.next();
+            if (entry.getValue().before(now)) {
+                it.remove();
+                // remove expired token
+                clients.remove(entry.getKey());
+            }
+        }
     }
 }

src/main/java/com/github/jie65535/opencommand/OpenCommandPlugin.java

@@ -26,13 +26,9 @@ import emu.grasscutter.server.event.HandlerPriority;
 import emu.grasscutter.server.event.game.ReceiveCommandFeedbackEvent;
 import emu.grasscutter.server.event.player.PlayerJoinEvent;
 import emu.grasscutter.server.event.player.PlayerQuitEvent;
-import emu.grasscutter.utils.Crypto;
 import emu.grasscutter.utils.JsonUtils;
-import emu.grasscutter.utils.Utils;
 
 import java.io.*;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
 
 public final class OpenCommandPlugin extends Plugin {
 
@@ -44,8 +40,6 @@ public final class OpenCommandPlugin extends Plugin {
 
     private OpenCommandConfig config;
 
-    private OpenCommandData data;
-
     private Grasscutter.ServerRunMode runMode = Grasscutter.ServerRunMode.HYBRID;
 
     @Override
@@ -53,24 +47,16 @@ public final class OpenCommandPlugin extends Plugin {
         instance = this;
         // 加载配置
         loadConfig();
-        // 加载数据
-        loadData();
         // 启动Socket
         startSocket();
     }
 
     @Override
     public void onEnable() {
-        // 监听命令执行反馈
         new EventHandler<>(ReceiveCommandFeedbackEvent.class)
                 .priority(HandlerPriority.HIGH)
                 .listener(EventListeners::onCommandResponse)
                 .register(this);
-        // 监听玩家离开事件
-        new EventHandler<>(PlayerQuitEvent.class)
-                .priority(HandlerPriority.NORMAL)
-                .listener(EventListeners::onPlayerQuit2)
-                .register(this);
         if (runMode == Grasscutter.ServerRunMode.GAME_ONLY) {
             // 仅运行游戏服务器时注册玩家加入和离开事件
             new EventHandler<>(PlayerJoinEvent.class)
@@ -86,12 +72,11 @@ public final class OpenCommandPlugin extends Plugin {
         } else {
             getHandle().addRouter(OpenCommandHandler.class);
         }
-        getLogger().info("[OpenCommand] Enabled. https://github.com/jie65535/gc-opencommand-plugin");
+        getLogger().info("[OpenCommand] Enabled");
     }
 
     @Override
     public void onDisable() {
-        saveData();
         getLogger().info("[OpenCommand] Disabled");
     }
 
@@ -99,32 +84,25 @@ public final class OpenCommandPlugin extends Plugin {
         return config;
     }
 
-    public OpenCommandData getData() {
-        return data;
-    }
-
     private void loadConfig() {
         var configFile = new File(getDataFolder(), "config.json");
         if (!configFile.exists()) {
             config = new OpenCommandConfig();
-            saveConfig();
+            try (var file = new FileWriter(configFile)) {
+                file.write(JsonUtils.encode(config));
+            } catch (IOException e) {
+                getLogger().error("[OpenCommand] Unable to write to config file.");
+            } catch (Exception e) {
+                getLogger().error("[OpenCommand] Unable to save config file.");
+            }
         } else {
             try {
-                config = JsonUtils.decode(Files.readString(configFile.toPath(), StandardCharsets.UTF_8),
-                        OpenCommandConfig.class);
+                config = JsonUtils.loadToClass(configFile.getAbsolutePath(), OpenCommandConfig.class);
             } catch (Exception exception) {
                 config = new OpenCommandConfig();
                 getLogger().error("[OpenCommand] There was an error while trying to load the configuration from config.json. Please make sure that there are no syntax errors. If you want to start with a default configuration, delete your existing config.json.");
             }
         }
-
-        // 检查控制台Token
-        if (config.consoleToken == null || config.consoleToken.isEmpty()) {
-            config.consoleToken = Utils.base64Encode(Crypto.createSessionKey(24));
-            saveConfig();
-            getLogger().warn("Detected that consoleToken is empty, automatically generated Token for you as follows: {}", config.consoleToken);
-        }
-
         try {
             runMode = Grasscutter.getConfig().server.runMode;
         } catch (Exception ex) {
@@ -132,45 +110,6 @@ public final class OpenCommandPlugin extends Plugin {
         }
     }
 
-    private void saveConfig() {
-        var configFile = new File(getDataFolder(), "config.json");
-        try (var file = new FileWriter(configFile)) {
-            file.write(JsonUtils.encode(config));
-        } catch (IOException e) {
-            getLogger().error("[OpenCommand] Unable to write to config file.");
-        } catch (Exception e) {
-            getLogger().error("[OpenCommand] Unable to save config file.");
-        }
-    }
-
-    private void loadData() {
-        var dataFile = new File(getDataFolder(), "data.json");
-        if (!dataFile.exists()) {
-            data = new OpenCommandData();
-            saveData();
-        } else {
-            try {
-                data = JsonUtils.decode(Files.readString(dataFile.toPath(), StandardCharsets.UTF_8),
-                        OpenCommandData.class);
-            } catch (Exception exception) {
-                getLogger().error("[OpenCommand] There was an error while trying to load the data from data.json. Please make sure that there are no syntax errors. If you want to start with a default data, delete your existing data.json.");
-            }
-            if (data == null) {
-                data = new OpenCommandData();
-            }
-        }
-    }
-
-    public void saveData() {
-        try (var file = new FileWriter(new File(getDataFolder(), "data.json"))) {
-            file.write(JsonUtils.encode(data));
-        } catch (IOException e) {
-            getLogger().error("[OpenCommand] Unable to write to data file.");
-        } catch (Exception e) {
-            getLogger().error("[OpenCommand] Unable to save data file.");
-        }
-    }
-
     private void startSocket() {
         if (runMode == Grasscutter.ServerRunMode.GAME_ONLY) {
             getLogger().info("[OpenCommand] Starting socket client...");

src/main/java/com/github/jie65535/opencommand/model/Client.java

@@ -1,16 +0,0 @@
-package com.github.jie65535.opencommand.model;
-
-import java.util.Date;
-
-public final class Client {
-
-    public String token;
-    public Integer playerId;
-    public Date tokenExpireTime;
-
-    public Client(String token, Integer playerId, Date tokenExpireTime) {
-        this.token = token;
-        this.playerId = playerId;
-        this.tokenExpireTime = tokenExpireTime;
-    }
-}

src/main/java/com/github/jie65535/opencommand/socket/SocketClient.java

@@ -26,6 +26,7 @@ import com.github.jie65535.opencommand.socket.packet.player.PlayerList;
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.command.CommandMap;
 import emu.grasscutter.utils.JsonUtils;
+import emu.grasscutter.utils.MessageHandler;
 import org.slf4j.Logger;
 
 import java.io.IOException;
@@ -160,16 +161,18 @@ public class SocketClient {
                                         return;
                                     }
                                     // Player MessageHandler do not support concurrency
-                                    var handler = EventListeners.getPlayerMessageHandler(playerData.getUid());
                                     //noinspection SynchronizationOnLocalVariableOrMethodParameter
-                                    synchronized (handler) {
+                                    synchronized (playerData) {
                                         try {
-                                            handler.setLength(0);
+                                            var resultCollector = new MessageHandler();
+                                            playerData.setMessageHandler(resultCollector);
                                             CommandMap.getInstance().invoke(playerData, playerData, command);
-                                            sendPacket(new HttpPacket(200, handler.toString()), packet.packetID);
+                                            sendPacket(new HttpPacket(200, resultCollector.getMessage()), packet.packetID);
                                         } catch (Exception e) {
                                             OpenCommandPlugin.getInstance().getLogger().warn("[OpenCommand] Run command failed.", e);
                                             sendPacket(new HttpPacket(500, "error", e.getLocalizedMessage()), packet.packetID);
+                                        } finally {
+                                            playerData.setMessageHandler(null);
                                         }
                                     }
                                 }
@@ -189,10 +192,10 @@ public class SocketClient {
                             //noinspection SynchronizationOnLocalVariableOrMethodParameter
                             synchronized (plugin) {
                                 try {
-                                    var resultCollector = new StringBuilder();
+                                    var resultCollector = new MessageHandler();
                                     EventListeners.setConsoleMessageHandler(resultCollector);
                                     CommandMap.getInstance().invoke(null, null, consoleCommand.command);
-                                    sendPacket(new HttpPacket(resultCollector.toString()), packet.packetID);
+                                    sendPacket(new HttpPacket(resultCollector.getMessage()), packet.packetID);
                                 } catch (Exception e) {
                                     mLogger.warn("[OpenCommand] Run command failed.", e);
                                     EventListeners.setConsoleMessageHandler(null);

src/main/resources/plugin.json

@@ -1,8 +1,7 @@
 {
   "name": "opencommand-plugin",
   "description": "Open command interface for third-party clients",
-  "version": "1.7.0",
+  "version": "dev-1.4.0",
   "mainClass": "com.github.jie65535.opencommand.OpenCommandPlugin",
-  "authors": ["jie65535", "方块君"],
-  "api": 2
+  "authors": ["jie65535", "方块君"]
 }