Add anti-spam system

lang/en-US.json

@@ -11,6 +11,7 @@
 	"time.minutePlural": " minutes ",
 	"time.second": " second ",
 	"time.secondPlural": " seconds ",
+	"chat.antiSpamTriggered": "Anti-spam has been triggered for this server.",
 	"command.about.usage": "",
 	"command.about.desc": "About the bot",
 	"command.cb.usage": " <command>",

plugins/!chat.js

@@ -2,6 +2,7 @@ const settings = require('../settings.json')
 const parsePlain = require('../util/chatparse_plain.js')
 const parseConsole = require('../util/chatparse_console.js')
 const parse1204 = require('../util/parseNBT.js')
+const { getMessage } = require('../util/lang.js')
 const convertChatStyleItem = (item) => {
   const output = {}
   for (const i in item) {
@@ -26,6 +27,11 @@ const convertChatTypeItem = (item) => {
 }
 module.exports = {
   load: (b) => {
+    b.messageCount = 0;
+    b.chatDisabledUntil = 0;
+    b.interval.antiSpam = setInterval(()=>{
+      b.messageCount = 0;
+    }, 4000)
     b.messageTypes = []
     b._client.on('registry_data', (data) => {
       if (data.codec.value['minecraft:chat_type']) {
@@ -163,6 +169,13 @@ module.exports = {
     })
 
     b.on('chat', (data) => {
+      b.messageCount++;
+      if(Date.now() < b.chatDisabledUntil) return
+      if(b.messageCount >= 100){
+        b.info(getMessage(settings.defaultLang, "chat.antiSpamTriggered"))
+        b.chatDisabledUntil = Date.now() + 30000
+        return
+      }
       const msgConsole = parseConsole(data.json)
       const msgPlain = parsePlain(data.json)
       if (settings.logJSONmessages) console.log(data.json)
@@ -170,14 +183,6 @@ module.exports = {
       if (msgPlain.startsWith('Command set: ')) return
       b.emit('plainchat', msgPlain, data.type)
       b.displayChat(data.type, `${msgConsole}\x1b[0m`)
-
-      const fullCommand = data.message
-      for (const prefix of b.prefix) {
-        if (fullCommand.startsWith(prefix)) {
-          const command = fullCommand.slice(prefix.length)
-          b.runCommand(data.username, data.nickname, data.uuid, command, data.type, prefix)
-        }
-      }
     })
   }
 }

plugins/command.js

@@ -22,6 +22,15 @@ module.exports = {
   load: (b) => {
     b.prefix = settings.prefix
     b.lastCmd = 0
+    b.on("chat",(data)=>{
+      const fullCommand = data.message
+      for (const prefix of b.prefix) {
+        if (fullCommand.startsWith(prefix)) {
+          const command = fullCommand.slice(prefix.length)
+          b.runCommand(data.username, data.nickname, data.uuid, command, data.type, prefix)
+        }
+      }
+    })
     b.runCommand = (name, nickname, uuid, text, msgType, prefix) => {
       if (uuid === '00000000-0000-0000-0000-000000000000') return
       if (Date.now() - b.lastCmd <= 1000) return