Files
easynode/server/app/socket/onekey.js
T

218 lines
8.9 KiB
JavaScript

const { Server } = require('socket.io')
const { Client: SSHClient } = require('ssh2')
const { sendNoticeAsync } = require('../utils/notify')
const { readSSHRecord } = require('../utils/storage')
const { verifyAuthSync } = require('../utils/verify-auth')
const { shellThrottle } = require('../utils/tools')
const { AESDecryptAsync } = require('../utils/encrypt')
const { isAllowedIp } = require('../utils/tools')
const { HostListDB, OnekeyDB } = require('../utils/db-class')
const hostListDB = new HostListDB().getInstance()
const onekeyDB = new OnekeyDB().getInstance()
const execStatusEnum = {
connecting: '连接中',
connectFail: '连接失败',
executing: '执行中',
execSuccess: '执行成功',
execFail: '执行失败',
execTimeout: '执行超时',
socketInterrupt: '执行中断'
}
let isExecuting = false
let execResult = []
let execClient = []
function disconnectAllExecClient() {
execClient.forEach((sshClient) => {
if (sshClient) {
sshClient.end()
sshClient.destroy()
sshClient = null
}
})
}
function execShell(socket, sshClient, curRes, resolve) {
const throttledDataHandler = shellThrottle(() => {
socket.emit('output', execResult)
// const memoryUsage = process.memoryUsage()
// const formattedMemoryUsage = {
// rss: (memoryUsage.rss / 1024 / 1024).toFixed(2) + ' MB', // Resident Set Size: total memory allocated for the process execution
// heapTotal: (memoryUsage.heapTotal / 1024 / 1024).toFixed(2) + ' MB', // Total size of the allocated heap
// heapUsed: (memoryUsage.heapUsed / 1024 / 1024).toFixed(2) + ' MB', // Actual memory used during the execution
// external: (memoryUsage.external / 1024 / 1024).toFixed(2) + ' MB', // Memory used by "external" components like V8 external memory
// arrayBuffers: (memoryUsage.arrayBuffers / 1024 / 1024).toFixed(2) + ' MB' // Memory allocated for ArrayBuffer and SharedArrayBuffer, including all Node.js Buffers
// }
// console.log(formattedMemoryUsage)
}, 500) // 防止内存爆破
sshClient.exec(curRes.command, function(err, stream) {
if (err) {
console.log(curRes.host, '命令执行失败:', err)
curRes.status = execStatusEnum.execFail
curRes.result += err.toString()
socket.emit('output', execResult)
return
}
stream
.on('close', async () => {
// shell关闭后,再执行一次输出,防止最后一次节流函数发生在延迟时间内导致终端的输出数据丢失
await throttledDataHandler.last() // 等待最后一次节流函数执行完成,再执行一次数据输出
// console.log('onekey终端执行完成, 关闭连接: ', curRes.host)
if (curRes.status === execStatusEnum.executing) {
curRes.status = execStatusEnum.execSuccess
}
socket.emit('output', execResult)
resolve(curRes)
sshClient.end()
})
.on('data', (data) => {
// console.log(curRes.host, '执行中: \n' + data)
curRes.status = execStatusEnum.executing
curRes.result += data.toString()
// socket.emit('output', execResult)
throttledDataHandler(data)
})
.stderr
.on('data', (data) => {
// console.log(curRes.host, '命令执行过程中产生错误: ' + data)
curRes.status = execStatusEnum.executing
curRes.result += data.toString()
// socket.emit('output', execResult)
throttledDataHandler(data)
})
})
}
module.exports = (httpServer) => {
const serverIo = new Server(httpServer, {
path: '/onekey',
cors: {
origin: '*'
}
})
serverIo.on('connection', (socket) => {
// 前者兼容nginx反代, 后者兼容nodejs自身服务
let requestIP = socket.handshake.headers['x-forwarded-for'] || socket.handshake.address
if (!isAllowedIp(requestIP)) {
socket.emit('ip_forbidden', 'IP地址不在白名单中')
socket.disconnect()
return
}
consola.success('onekey-terminal websocket 已连接')
if (isExecuting) {
socket.emit('create_fail', '正在执行中, 请稍后再试')
socket.disconnect()
return
}
isExecuting = true
socket.on('create', async ({ hostIds, token, command, timeout }) => {
const { code } = await verifyAuthSync(token, requestIP)
if (code !== 1) {
socket.emit('token_verify_fail')
socket.disconnect()
return
}
setTimeout(() => {
// 超时未执行完成,强制断开连接
const { connecting, executing } = execStatusEnum
execResult.forEach(item => {
// 连接中和执行中的状态设定为超时
if ([connecting, executing].includes(item.status)) {
item.status = execStatusEnum.execTimeout
}
})
let reason = `执行超时,已强制终止执行 - 超时时间${ timeout }秒`
sendNoticeAsync('onekey_complete', '批量指令执行超时', reason)
socket.emit('timeout', { reason, result: execResult })
socket.disconnect()
disconnectAllExecClient()
}, timeout * 1000)
console.log('hostIds:', hostIds)
// console.log('token:', token)
console.log('command:', command)
const hostList = await hostListDB.findAsync({})
const targetHostsInfo = hostList.filter(item => hostIds.some(id => item._id === id)) || {}
// console.log('targetHostsInfo:', targetHostsInfo)
if (!targetHostsInfo.length) return socket.emit('create_fail', `未找到【${ hostIds }】服务器信息`)
// 查找 hostInfo -> 并发执行
socket.emit('ready')
let execPromise = targetHostsInfo.map((hostInfo, index) => {
// eslint-disable-next-line no-async-promise-executor
return new Promise(async (resolve, reject) => {
setTimeout(() => reject('执行超时'), timeout * 1000)
let { authType, host, port, username } = hostInfo
let authInfo = { host, port, username }
let curRes = { command, host, port, name: hostInfo.name, result: '', status: execStatusEnum.connecting, date: Date.now() - (targetHostsInfo.length - index) } // , execStatusEnum
execResult.push(curRes)
try {
if (authType === 'credential') {
let credentialId = await AESDecryptAsync(hostInfo['credential'])
const sshRecordList = await readSSHRecord()
const sshRecord = sshRecordList.find(item => item._id === credentialId)
authInfo.authType = sshRecord.authType
authInfo[authInfo.authType] = await AESDecryptAsync(sshRecord[authInfo.authType])
} else {
authInfo[authType] = await AESDecryptAsync(hostInfo[authType])
}
consola.info('准备连接终端执行一次性指令:', host)
consola.log('连接信息', { username, port, authType })
let sshClient = new SSHClient()
execClient.push(sshClient)
sshClient
.on('ready', () => {
consola.success('连接终端成功:', host)
// socket.emit('connect_success', `已连接到终端:${ host }`)
execShell(socket, sshClient, curRes, resolve)
})
.on('error', (err) => {
console.log(err)
consola.error('onekey终端连接失败:', err.level)
curRes.status = execStatusEnum.connectFail
curRes.result += err.message
socket.emit('output', execResult)
resolve(curRes)
})
.connect({
...authInfo
// debug: (info) => console.log(info)
})
} catch (err) {
consola.error('创建终端错误:', err.message)
curRes.status = execStatusEnum.connectFail
curRes.result += err.message
socket.emit('output', execResult)
resolve(curRes)
}
})
})
try {
await Promise.all(execPromise)
consola.success('onekey执行完成')
socket.emit('exec_complete')
sendNoticeAsync('onekey_complete', '批量指令执行完成', '请登录面板查看执行结果')
socket.disconnect()
} catch (error) {
consola.error('onekey执行失败', error)
}
})
socket.on('disconnect', async (reason) => {
consola.info('onekey终端连接断开:', reason)
disconnectAllExecClient()
const { execSuccess, connectFail, execFail, execTimeout } = execStatusEnum
execResult.forEach(item => {
// 非服务端手动断开连接且命令执行状态为非完成\失败\超时, 判定为客户端主动中断
if (reason !== 'server namespace disconnect' && ![execSuccess, execFail, execTimeout, connectFail].includes(item.status)) {
item.status = execStatusEnum.socketInterrupt
}
})
await onekeyDB.insertAsync(execResult)
isExecuting = false
execResult = []
execClient = []
})
})
}