49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
const { VM } = require('vm2')
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const { Server } = require('socket.io')
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const util = require('util')
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const { stylize } = require('./colors')
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const randomstring = require('randomstring')
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const ChatMessage = require('prismarine-chat')('1.20.1')
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const BRIDGE_PREFIX = 'function:'
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const io = new Server(3069)
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function checkString (string) {
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if (typeof(string) !== 'string') throw new Error('Must be a string')
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}
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io.on('connection', (socket) => {
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let vm
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function resetVM () {
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vm = new VM({
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timeout: 3000,
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sandbox: {
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chat: (message) => {
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checkString(message)
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socket.emit(BRIDGE_PREFIX + 'chat', message)
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},
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core: (command) => {
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checkString(command)
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socket.emit(BRIDGE_PREFIX + 'core', command)
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},
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randomstring,
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ChatMessage
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}
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})
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}
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resetVM()
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socket.on('runCode', (transactionId, code) => {
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try {
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const output = vm.run(code)
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socket.emit('codeOutput', transactionId, false, util.inspect(output, { stylize }))
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} catch (e) {
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socket.emit('codeOutput', transactionId, true, e.toString())
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}
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})
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socket.on('reset', resetVM)
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})
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