Add minecraft command to get server info

2025-07-27 13:52:53 +02:00 · 2025-07-27 13:52:53 +02:00 · 0a8df28a94
commit 0a8df28a94
parent f78f4648d0
1 changed files with 104 additions and 0 deletions
--- a/commands/info/mc.js
+++ b/commands/info/mc.js
@ -0,0 +1,104 @@
+// Code is taken from https://github.com/stphnduvall/mcstatus/blob/master/src/index.ts
+// and converted to pure js.
+    
+const net = require('net')
+const { EmbedBuilder } = require('discord.js');
+
+module.exports = {
+    name: 'mc', // Keep it to one word
+    description: 'get mc server info from lazy duchess server',
+    hidden: true,
+    whitelist: true,
+    async execute({ message, args }) {
+        let host = "";
+        let port = 25565;
+        if (args[0]) host = args[0];
+
+        if (host.includes(":")) {
+            port = host.replace(/.+(?:\:)/g, "");
+            host = host.match(/.+(?:\:)/g, "")[0].replace(":", "");
+        }
+        if(host === "") return message.channel.send("No host provided")
+        let info = await getMinecraftServerInfo(host, port);
+        if (info) {
+            console.log(info)
+            const embed = new EmbedBuilder()
+            embed.setColor("#ee7939")
+            embed.setTimestamp()
+            embed.addFields([
+                { name: "ping", value: info.ping.toString(), inline: false },
+                { name: "Player Count", value: info.playercount, inline: false },
+                { name: "Max Players", value: info.maxPlayers, inline: false },
+                { name: "MOTD", value: info.motd, inline: false },
+            ])
+
+            message.channel.send({ embeds: [embed] });
+        } else {
+            message.channel.send("Something went wrong\nThe minecraft server is likely not reachable from the discord bot")
+        }
+
+    }
+};
+
+
+
+async function getMinecraftServerInfo(host, port = 25565) {
+    let serverInfo = {
+        ping: undefined,
+        maxPlayers: undefined,
+        version: undefined,
+        playercount: undefined,
+        motd: undefined
+    }
+
+    let startTime = new Date();
+    let data;
+    let ping;
+    serverInfo = await new Promise((resolve) => {
+        const client = net.connect({ host, port }, () => {
+            ping = Math.round(new Date().getMilliseconds() - startTime.getMilliseconds());
+
+            let buff = Buffer.from([0xFE, 0x01]);
+            client.write(buff);
+
+        })
+        let error = false;
+        client.on('data', (d) => {
+            data = d.toString()
+            client.destroy();
+
+        })
+        client.once('error', (error) => {
+            console.error(error)
+            error = true;
+        })
+        client.once('connectionAttemptFailed', (ip) => {
+            console.error("in attempt failed")
+            error = true;
+        })
+
+        client.once('connectionAttemptTimeout', (ip) => {
+            console.error("in attempt timeout")
+            error = true;
+        })
+        client.on('close', () => {
+            if (!error) {
+                let _serverInfo = data?.split('\x00\x00\x00');
+
+                if (!_serverInfo) {
+                    console.log("Something went wrong.")
+                    resolve(serverInfo)
+                }
+                serverInfo.version = _serverInfo[2].replace(/\u0000/g, '')
+                serverInfo.motd = _serverInfo[3].replace(/\u0000/g, '')
+                serverInfo.playercount = Number(_serverInfo[4].replace(/\u0000/g, ''))
+                serverInfo.maxPlayers = Number(_serverInfo[5].replace(/\u0000/g, ''))
+                serverInfo.ping = Number(ping)
+                resolve(serverInfo)
+            } else {
+                resolve(0)
+            }
+        })
+    })
+    return serverInfo
+}