ChomeNS/eval-server
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FINALLY fix it

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This commit is contained in:
Chayapak 2024-10-19 09:18:01 +07:00
parent 016c1be6d0
commit 2e3b7c2fb2
2 changed files with 18 additions and 26 deletions
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39
index.js
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@ -1,4 +1,4 @@
const { Isolate } = require('isolated-vm') const { VM } = require('@n8n/vm2')
const { Server } = require('socket.io') const { Server } = require('socket.io')
const util = require('util') const util = require('util')
const { stylize } = require('./colors') const { stylize } = require('./colors')
@ -13,10 +13,10 @@ const BRIDGE_PREFIX = 'function:'
const io = new Server(3069) const io = new Server(3069)
io.on('connection', (socket) => { io.on('connection', async (socket) => {
let functions let functions
let proxy let proxy
let vm
const handler = { const handler = {
get (target, prop) { get (target, prop) {
@ -49,33 +49,26 @@ io.on('connection', (socket) => {
resetVM() resetVM()
}) })
const isolate = new Isolate({ memoryLimit: 256 })
let context
async function resetVM () { async function resetVM () {
context = await isolate.createContext() vm = new VM({
timeout: 1000,
// TODO: fix sandbox: {
get bridge () { return proxy },
// const global = context.global randomstring,
ChatMessage,
// await global.set('this', global.derefInto()) mc,
// await global.set('global', global.derefInto()) moment,
crypto,
// await global.set('bridge', () => { return proxy }) nbt
// await global.set('randomstring', () => randomstring) }
// await global.set('ChatMessage', () => ChatMessage) })
// await global.set('mc', () => mc)
// await global.set('moment', () => moment)
// await global.set('crypto', () => crypto)
// await global.set('nbt', () => nbt)
} }
resetVM() resetVM()
socket.on('runCode', async (transactionId, code) => { socket.on('runCode', async (transactionId, code) => {
try { try {
const output = await context.eval(code, { timeout: 1000 }) const output = vm.run(code)
socket.emit('codeOutput', transactionId, false, util.inspect(output, { stylize })) socket.emit('codeOutput', transactionId, false, util.inspect(output, { stylize }))
} catch (e) { } catch (e) {

5
package.json
View file

@ -10,14 +10,13 @@
"author": "", "author": "",
"license": "ISC", "license": "ISC",
"dependencies": { "dependencies": {
"isolated-vm": "^4.6.0", "@n8n/vm2": "^3.9.25",
"minecraft-protocol": "^1.43.1", "minecraft-protocol": "^1.43.1",
"moment": "^2.29.4", "moment": "^2.29.4",
"moment-timezone": "^0.5.43", "moment-timezone": "^0.5.43",
"prismarine-chat": "^1.8.0", "prismarine-chat": "^1.8.0",
"prismarine-nbt": "^2.2.1", "prismarine-nbt": "^2.2.1",
"randomstring": "^1.3.0", "randomstring": "^1.3.0",
"socket.io": "^4.7.1", "socket.io": "^4.7.1"
"vm2": "^3.9.19"
} }
} }