mirror of
https://github.com/chaos-zhu/easynode.git
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220 lines
9.0 KiB
JavaScript
220 lines
9.0 KiB
JavaScript
import { Server } from 'socket.io'
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import ssh2Module from 'ssh2'
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const { Client: SSHClient } = ssh2Module
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import { sendNoticeAsync } from '../utils/notify.js'
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import { shellThrottle } from '../utils/tools.js'
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import { createSecureWs } from '../utils/ws-tool.js'
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import { HostListDB, OnekeyDB } from '../utils/db-class.js'
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import { getConnectionOptions, handleProxyAndJumpHostConnection } from './terminal.js'
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const hostListDB = new HostListDB().getInstance()
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const onekeyDB = new OnekeyDB().getInstance()
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const execStatusEnum = {
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connecting: '连接中',
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connectFail: '连接失败',
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executing: '执行中',
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execSuccess: '执行成功',
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execFail: '执行失败',
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execTimeout: '执行超时',
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socketInterrupt: '执行中断'
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}
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let isExecuting = false
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let execResult = []
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let execClient = []
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let jumpSshClientsPool = []
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function disconnectAllExecClient() {
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execClient.forEach((sshClient) => {
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if (sshClient) {
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sshClient.end()
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sshClient.destroy()
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sshClient = null
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}
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})
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jumpSshClientsPool.forEach(jumpSshClients => {
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jumpSshClients?.forEach(sshClient => sshClient && sshClient.end())
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})
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jumpSshClientsPool = []
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}
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function execShell(socket, sshClient, curRes, resolve) {
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const throttledDataHandler = shellThrottle(() => {
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socket.emit('output', execResult)
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// const memoryUsage = process.memoryUsage()
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// const formattedMemoryUsage = {
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// rss: (memoryUsage.rss / 1024 / 1024).toFixed(2) + ' MB', // Resident Set Size: total memory allocated for the process execution
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// heapTotal: (memoryUsage.heapTotal / 1024 / 1024).toFixed(2) + ' MB', // Total size of the allocated heap
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// heapUsed: (memoryUsage.heapUsed / 1024 / 1024).toFixed(2) + ' MB', // Actual memory used during the execution
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// external: (memoryUsage.external / 1024 / 1024).toFixed(2) + ' MB', // Memory used by "external" components like V8 external memory
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// arrayBuffers: (memoryUsage.arrayBuffers / 1024 / 1024).toFixed(2) + ' MB' // Memory allocated for ArrayBuffer and SharedArrayBuffer, including all Node.js Buffers
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// }
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// console.log(formattedMemoryUsage)
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}, 1000) // 防止内存爆破
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sshClient.exec(curRes.command, function(err, stream) {
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if (err) {
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console.log(curRes.host, '命令执行失败:', err)
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curRes.status = execStatusEnum.execFail
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curRes.result += err.toString()
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socket.emit('output', execResult)
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return
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}
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stream
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.on('close', async () => {
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// 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
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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
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// console.log('onekey终端执行完成, 关闭连接: ', curRes.host)
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if (curRes.status === execStatusEnum.executing) {
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curRes.status = execStatusEnum.execSuccess
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}
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socket.emit('output', execResult)
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resolve(curRes)
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sshClient.end()
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})
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.on('data', (data) => {
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// console.log(curRes.host, '执行中: \n' + data)
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curRes.status = execStatusEnum.executing
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curRes.result += data.toString()
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// socket.emit('output', execResult)
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throttledDataHandler(data)
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})
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.stderr
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.on('data', (data) => {
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// console.log(curRes.host, '命令执行过程中产生错误: ' + data)
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curRes.status = execStatusEnum.executing
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curRes.result += data.toString()
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// socket.emit('output', execResult)
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throttledDataHandler(data)
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})
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})
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}
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export default (httpServer) => {
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const serverIo = createSecureWs(httpServer, '/onekey')
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serverIo.on('connection', async (socket) => {
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logger.info('onekey-terminal websocket 已连接')
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if (isExecuting) {
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socket.emit('create_fail', '正在执行中, 请稍后再试')
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socket.disconnect()
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return
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}
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isExecuting = true
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socket.on('ws_onekey', async ({ hostIds, command, timeout }) => {
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console.log('onekey command:', command)
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const hostList = await hostListDB.findAsync({})
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const targetHostsInfo = hostList.filter(item => hostIds.some(id => item._id === id)) || {}
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if (!targetHostsInfo.length) return socket.emit('create_fail', `未找到【${ hostIds }】服务器信息`)
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// 查找 hostInfo -> 并发执行
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socket.emit('ready')
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let execPromise = targetHostsInfo.map((hostInfo, index) => {
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// eslint-disable-next-line no-async-promise-executor
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return new Promise(async (resolve, reject) => {
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setTimeout(() => reject('执行超时'), timeout * 1000)
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let { host, port } = hostInfo
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let curRes = { command, host, port, name: hostInfo.name, result: '', status: execStatusEnum.connecting, startDate: Date.now() + index }
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execResult.push(curRes)
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let jumpSshClients = []
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try {
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let { authInfo: targetConnectionOptions } = await getConnectionOptions(hostInfo._id)
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// 使用通用的代理和跳板机连接处理函数
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try {
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const result = await handleProxyAndJumpHostConnection({
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hostInfo,
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targetConnectionOptions,
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socket: null, // Onekey不需要发送terminal_print_info事件
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logPrefix: 'Onekey '
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})
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jumpSshClients = result.jumpSshClients
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if (jumpSshClients.length > 0) {
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jumpSshClientsPool.push(jumpSshClients)
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}
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} catch (proxyError) {
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curRes.status = execStatusEnum.connectFail
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curRes.result += `代理连接失败: ${ proxyError.message }`
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socket.emit('output', execResult)
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resolve(curRes)
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return
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}
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logger.info('准备连接终端执行一次性指令：', host)
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logger.info('连接信息', { username: targetConnectionOptions.username, port: targetConnectionOptions.port, authType: hostInfo.authType })
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let sshClient = new SSHClient()
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execClient.push(sshClient)
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sshClient
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.on('ready', () => {
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logger.info('连接终端成功：', host)
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execShell(socket, sshClient, curRes, resolve)
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})
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.on('error', (err) => {
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console.log(err)
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logger.error('onekey终端连接失败:', err.level)
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curRes.status = execStatusEnum.connectFail
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curRes.result += err.message
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socket.emit('output', execResult)
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// 清理跳板机连接
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jumpSshClients?.forEach(sshClient => sshClient && sshClient.end())
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resolve(curRes)
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})
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.on('keyboard-interactive', function (name, instructions, instructionsLang, prompts, finish) {
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finish([targetConnectionOptions[hostInfo.authType]])
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})
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.connect({
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tryKeyboard: true,
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...targetConnectionOptions
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})
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} catch (err) {
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logger.error('创建终端错误:', err.message)
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curRes.status = execStatusEnum.connectFail
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curRes.result += err.message
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socket.emit('output', execResult)
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// 清理跳板机连接
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jumpSshClients?.forEach(sshClient => sshClient && sshClient.end())
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resolve(curRes)
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}
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})
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})
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try {
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await Promise.all(execPromise)
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logger.info('onekey执行完成')
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socket.emit('exec_complete')
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sendNoticeAsync('onekey_complete', '批量指令执行完成', '请登录面板查看执行结果')
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} catch (error) {
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logger.error('onekey执行超时:', error)
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const { connecting, executing } = execStatusEnum
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execResult.forEach(item => {
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// 连接中和执行中的状态变更为超时状态
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if ([connecting, executing].includes(item.status)) {
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item.status = execStatusEnum.execTimeout
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}
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})
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const reason = `执行超时,已强制终止执行 - 超时时间${ timeout }秒`
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sendNoticeAsync('onekey_complete', '批量指令执行超时', reason)
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socket.emit('exec_timeout', { reason, result: execResult })
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} finally {
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socket.disconnect()
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}
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})
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socket.on('disconnect', async (reason) => {
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logger.info('onekey终端连接断开:', reason)
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disconnectAllExecClient()
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const { execSuccess, connectFail, execFail, execTimeout } = execStatusEnum
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execResult.forEach(item => {
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// 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
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if (reason !== 'server namespace disconnect' && ![execSuccess, execFail, execTimeout, connectFail].includes(item.status)) {
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item.status = execStatusEnum.socketInterrupt
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}
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item.endDate = Date.now()
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})
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await onekeyDB.insertAsync(execResult)
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isExecuting = false
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execResult = []
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execClient = []
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jumpSshClientsPool = []
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})
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})
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}
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