Admins + Bans

config.default.json

@@ -6,6 +6,12 @@
     "name": "Another jsmc server",
     "mode": 1,
     "max_players": 25,
-    "difficulty": 0
+    "difficulty": 0,
+    "admins": [ 
+
+    ],
+    "banned": [
+
+    ]
   }
 }

lib/game.js

@@ -20,6 +20,8 @@ var Game = module.exports = function Game(config) {
   this.max_players = config.max_players || 25;
   this.mode = config.mode || 0;
   this.difficulty = config.difficulty || 0;
+  this.admins = config.admins || [];
+  this.banned = config.banned || [];
 
   this.world = {
     type: "flat",

lib/player.js

@@ -8,6 +8,7 @@ var Player = module.exports = function Player(client, game, name, position) {
   this.game = game;
   this.eid = game.get_eid();
   this.name = name;
+  this.admin = false;
 
   this.position = {
     x: 0,
@@ -50,3 +51,7 @@ Player.prototype.kill = function() {
 Player.prototype.respawn = function() {
   this.client.emit("data", {pid: 0x09, dimension: this.game.world.dimension, difficulty: this.game.difficulty, game_mode: this.game.mode, world_height: 256, level_type: this.game.world.type});
 };
+
+Player.prototype.isAdmin = function() {
+  return this.admin;
+};

lib/serialiser.js

@@ -201,6 +201,11 @@ Serialiser.prototype.write = function write(packet) {
       break;
     }
 
+    case 0x46: {
+      this.emit("data", S().uint8(packet.pid).uint8(packet.reason).uint8(packet.game_mode).result());
+      break;
+    }
+
     case 0x64: {
       this.emit("data", S().uint8(packet.pid).uint8(packet.window).uint8(packet.type).mcstring16(packet.title).uint8(packet.slots).result());
       break;

plugins/admin.js

@@ -0,0 +1,56 @@
+module.exports = function() {
+  return function(game) {
+    game.on("player:join", function(player) {
+      player.client.on("packet:03", function(packet) {
+
+        if(player.isAdmin()) {
+
+          var m = packet.message.split(' ');
+
+          switch(m[0]) {
+
+            case "/kick": {
+              game.players.forEach(function(player) {
+                if(player.name==m[1]) {
+                  player.kick(m[2]);
+                }
+              });
+              break;
+            };
+
+            case "/ban": {
+              game.players.forEach(function(player) {
+                if(player.name==m[1]) {
+                  player.kick(m[2]);
+                }
+              });
+              game.banned.push(m[1]);
+              break;
+            };
+
+            case "/op": {
+              game.players.forEach(function(player) {
+                if(player.name==m[1]) {
+                  player.admin = true;
+                  player.message("You are now op!");
+                }
+              });
+              break;
+            }
+
+            case "/deop": {
+              game.players.forEach(function(player) {
+                if(player.name==m[1]) {
+                  player.admin = false;
+                  player.message("You are no longer op!");
+                }
+              });
+              break;
+            }
+
+          }
+        }
+      });
+    });
+  };
+};

plugins/login.js

@@ -13,8 +13,19 @@ module.exports = function() {
           for (y = 255; y > 0 && chunk.get_block_type(0, 0, y) === 0; --y) {}
           y += 2;
 
+          if(~game.banned.indexOf(packet.username)) {
+            client.emit("data", {
+              pid: 0xff,
+              message: "Banned."
+            });
+            return;
+          }
+
           var player = new Player(client, game, packet.username, {x: 0, y: y, z: 0, stance: y + 1.62, yaw: 0, pitch: 0});
 
+          if(~game.admins.indexOf(packet.username))
+            player.admin = true;
+
           console.log("created player " + player.name + " and spawning at " + [player.position.x, player.position.y, player.position.z].join(","));
 
           console.log("logging player in");

server.example.js

@@ -78,6 +78,8 @@ var game = new Game({
   mode: nconf.get("game:mode"),
   max_players: nconf.get("game:max_players"),
   difficulty: nconf.get("game:difficulty"),
+  admins: nconf.get("game:admins"),
+  banned: nconf.get("game:banned"),
   map: map,
 });
 
@@ -140,6 +142,10 @@ game.use(DespawnPlugin());
 var SaveMapPlugin = require("./plugins/save-map");
 game.use(SaveMapPlugin(__dirname + "/map"));
 
+// Provides administrative commands `/ban` `/op` etc.
+var AdminPlugin = require('./plugins/admin');
+game.use(AdminPlugin());
+
 // The server object is basically a wrapper around `net.Server` that constructs
 // `Client` objects as they connect.