chore: Add ajv dependency and refactor server startup code
This commit is contained in:
Bill Church
parent
50f1769fd5
commit
1ecf19c5df
6 changed files with 726 additions and 210 deletions
77
app/app.js
77
app/app.js
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@ -6,30 +6,85 @@ const socketIo = require('socket.io')
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const config = require('./config')
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const socketHandler = require('./socket')
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const server = http.createServer()
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/**
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* Creates and configures the HTTP server
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* @returns {http.Server} The HTTP server instance
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*/
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function createServer() {
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return http.createServer()
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}
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const io = socketIo(server, {
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path: '/ssh/socket.io',
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cors: {
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origin: config.origin || ["*.*"],
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/**
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* Configures Socket.IO with the given server
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* @param {http.Server} server - The HTTP server instance
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* @returns {import('socket.io').Server} The Socket.IO server instance
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*/
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function configureSocketIO(server) {
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return socketIo(server, {
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path: '/ssh/socket.io',
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cors: getCorsConfig()
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})
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}
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/**
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* Gets the CORS configuration
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* @returns {Object} The CORS configuration object
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*/
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function getCorsConfig() {
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return {
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origin: config.origin || ['*.*'],
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methods: ['GET', 'POST'],
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credentials: true
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}
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})
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}
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io.on('connection', (socket) => {
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/**
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* Sets up Socket.IO event listeners
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* @param {import('socket.io').Server} io - The Socket.IO server instance
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*/
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function setupSocketIOListeners(io) {
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socketHandler(io, config)
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}
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/**
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* Handles a new Socket.IO connection
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* @param {import('socket.io').Socket} socket - The Socket.IO socket
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*/
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function handleConnection(socket) {
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logNewConnection(socket)
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setupDisconnectListener(socket)
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}
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/**
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* Logs information about a new connection
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* @param {import('socket.io').Socket} socket - The Socket.IO socket
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*/
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function logNewConnection(socket) {
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console.log(
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'New connection:',
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socket.id,
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'Transport:',
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socket.conn.transport.name
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)
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}
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socketHandler(io, socket)
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/**
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* Sets up the disconnect listener for a socket
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* @param {import('socket.io').Socket} socket - The Socket.IO socket
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*/
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function setupDisconnectListener(socket) {
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socket.on('disconnect', (reason) => {
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console.log('Client disconnected:', socket.id, reason)
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})
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})
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}
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module.exports = { server, config, io }
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// Create and configure the server
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const server = createServer()
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const io = configureSocketIO(server)
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// Set up Socket.IO listeners
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setupSocketIOListeners(io)
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// Log the config object to verify its contents
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module.exports = { server, config, io }
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265
app/config.js
265
app/config.js
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@ -1,11 +1,55 @@
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// config.js
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'use strict'
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const path = require('path')
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const fs = require('fs')
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const nodeRoot = path.dirname(require.main.filename)
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const configPath = path.join(nodeRoot, 'config.json')
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const readConfig = require('read-config-ng')
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const Ajv = require('ajv')
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// Default configuration
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let config = {
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/**
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* @typedef {Object} Config
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* @property {Object} listen - Listening configuration
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* @property {string} listen.ip - IP address to listen on
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* @property {number} listen.port - Port to listen on
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* @property {Object} http - HTTP configuration
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* @property {string[]} http.origins - Allowed origins
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* @property {Object} user - User configuration
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* @property {string|null} user.name - Username
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* @property {string|null} user.password - Password
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* @property {Object} ssh - SSH configuration
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* @property {string|null} ssh.host - SSH host
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* @property {number} ssh.port - SSH port
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* @property {string} ssh.term - Terminal type
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* @property {number} ssh.readyTimeout - Ready timeout
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* @property {number} ssh.keepaliveInterval - Keepalive interval
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* @property {number} ssh.keepaliveCountMax - Max keepalive count
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* @property {Object} terminal - Terminal configuration
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* @property {boolean} terminal.cursorBlink - Whether cursor blinks
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* @property {number} terminal.scrollback - Scrollback limit
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* @property {number} terminal.tabStopWidth - Tab stop width
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* @property {string} terminal.bellStyle - Bell style
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* @property {Object} header - Header configuration
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* @property {string|null} header.text - Header text
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* @property {string} header.background - Header background color
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* @property {Object} options - Options configuration
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* @property {boolean} options.challengeButton - Challenge button enabled
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* @property {boolean} options.allowreauth - Allow reauthentication
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* @property {Object} algorithms - Encryption algorithms
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* @property {string[]} algorithms.kex - Key exchange algorithms
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* @property {string[]} algorithms.cipher - Cipher algorithms
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* @property {string[]} algorithms.hmac - HMAC algorithms
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* @property {string[]} algorithms.compress - Compression algorithms
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* @property {Object} serverlog - Server log configuration
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* @property {boolean} serverlog.client - Client logging enabled
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* @property {boolean} serverlog.server - Server logging enabled
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* @property {boolean} accesslog - Access logging enabled
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* @property {boolean} verify - Verification enabled
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*/
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/**
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* Default configuration
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* @type {Config}
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*/
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const defaultConfig = {
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listen: {
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ip: '0.0.0.0',
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port: 2222
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@ -37,7 +81,8 @@ let config = {
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},
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options: {
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challengeButton: true,
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allowreauth: true
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allowreauth: false,
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allowReplay: false
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},
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algorithms: {
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kex: [
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@ -68,24 +113,196 @@ let config = {
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verify: false
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}
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try {
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if (fs.existsSync(configPath)) {
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console.log('WebSSH2 service reading config from: ' + configPath)
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config = require('read-config-ng')(configPath)
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} else {
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console.error(
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'\n\nERROR: Missing config.json for webssh. Current config: ' +
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JSON.stringify(config)
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)
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console.error('\n See config.json.sample for details\n\n')
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}
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} catch (err) {
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console.error(
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'\n\nERROR: Missing config.json for webssh. Current config: ' +
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JSON.stringify(config)
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)
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console.error('\n See config.json.sample for details\n\n')
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console.error('ERROR:\n\n ' + err)
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/**
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* Schema for validating the config
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*/
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const configSchema = {
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type: 'object',
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properties: {
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listen: {
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type: 'object',
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properties: {
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ip: { type: 'string', format: 'ipv4' },
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port: { type: 'integer', minimum: 1, maximum: 65535 }
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},
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required: ['ip', 'port']
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},
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http: {
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type: 'object',
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properties: {
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origins: {
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type: 'array',
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items: { type: 'string' }
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}
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},
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required: ['origins']
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},
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user: {
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type: 'object',
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properties: {
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name: { type: ['string', 'null'] },
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password: { type: ['string', 'null'] }
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},
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required: ['name', 'password']
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},
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ssh: {
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type: 'object',
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properties: {
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host: { type: ['string', 'null'] },
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port: { type: 'integer', minimum: 1, maximum: 65535 },
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term: { type: 'string' },
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readyTimeout: { type: 'integer' },
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keepaliveInterval: { type: 'integer' },
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keepaliveCountMax: { type: 'integer' }
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},
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required: ['host', 'port', 'term', 'readyTimeout', 'keepaliveInterval', 'keepaliveCountMax']
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},
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terminal: {
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type: 'object',
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properties: {
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cursorBlink: { type: 'boolean' },
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scrollback: { type: 'integer' },
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tabStopWidth: { type: 'integer' },
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bellStyle: { type: 'string' }
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},
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required: ['cursorBlink', 'scrollback', 'tabStopWidth', 'bellStyle']
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},
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header: {
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type: 'object',
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properties: {
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text: { type: ['string', 'null'] },
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background: { type: 'string' }
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},
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required: ['text', 'background']
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},
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options: {
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type: 'object',
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properties: {
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challengeButton: { type: 'boolean' },
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allowreauth: { type: 'boolean' },
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allowReplay: { type: 'boolean' }
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},
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required: ['challengeButton', 'allowreauth', 'allowReplay']
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},
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algorithms: {
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type: 'object',
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properties: {
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kex: {
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type: 'array',
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items: { type: 'string' }
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},
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cipher: {
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type: 'array',
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items: { type: 'string' }
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},
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hmac: {
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type: 'array',
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items: { type: 'string' }
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},
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compress: {
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type: 'array',
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items: { type: 'string' }
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}
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},
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required: ['kex', 'cipher', 'hmac', 'compress']
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},
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serverlog: {
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type: 'object',
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properties: {
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client: { type: 'boolean' },
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server: { type: 'boolean' }
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},
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required: ['client', 'server']
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},
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accesslog: { type: 'boolean' },
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verify: { type: 'boolean' }
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},
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required: ['listen', 'http', 'user', 'ssh', 'terminal', 'header', 'options', 'algorithms', 'serverlog', 'accesslog', 'verify']
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}
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/**
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* Gets the path to the config file
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* @returns {string} The path to the config file
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*/
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function getConfigPath() {
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const nodeRoot = path.dirname(require.main.filename)
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return path.join(nodeRoot, 'config.json')
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}
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/**
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* Reads the config file
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* @param {string} configPath - The path to the config file
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* @returns {Config} The configuration object
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*/
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function readConfigFile(configPath) {
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console.log('WebSSH2 service reading config from: ' + configPath)
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return readConfig(configPath)
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}
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/**
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* Validates the configuration against the schema
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* @param {Object} config - The configuration object to validate
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* @returns {Object} The validated configuration object
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* @throws {Error} If the configuration is invalid
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*/
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function validateConfig(config) {
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const ajv = new Ajv()
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const validate = ajv.compile(configSchema)
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const valid = validate(config)
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console.log('WebSSH2 service validating config')
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if (!valid) {
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throw new Error('Config validation error: ' + ajv.errorsText(validate.errors))
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}
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console.log("config: ", JSON.stringify(config, null, 2))
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return config
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}
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/**
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* Logs an error message
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* @param {string} message - The error message
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* @param {Error} [error] - The error object
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*/
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function logError(message, error) {
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console.error(message)
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if (error) {
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console.error('ERROR:\n\n ' + error)
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}
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}
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/**
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* Loads the configuration
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* @returns {Config} The loaded configuration
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*/
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function loadConfig() {
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const configPath = getConfigPath()
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try {
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if (fs.existsSync(configPath)) {
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const config = readConfigFile(configPath)
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return validateConfig(config)
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} else {
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logError(
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'\n\nERROR: Missing config.json for webssh. Current config: ' +
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JSON.stringify(defaultConfig) +
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'\n\n See config.json.sample for details\n\n'
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)
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return defaultConfig
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}
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} catch (err) {
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logError(
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'\n\nERROR: Missing config.json for webssh. Current config: ' +
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JSON.stringify(defaultConfig) +
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'\n\n See config.json.sample for details\n\n',
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err
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)
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return defaultConfig
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}
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}
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/**
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* The loaded configuration
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* @type {Config}
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*/
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const config = loadConfig()
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module.exports = config
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448
app/socket.js
448
app/socket.js
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@ -5,142 +5,316 @@ const debug = require('debug')
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const debugWebSSH2 = require('debug')('WebSSH2')
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const SSH = require('ssh2').Client
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module.exports = function (io) {
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io.on('connection', (socket) => {
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let conn = null
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let stream = null
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console.log(`SOCKET CONNECT: ${socket.id}`)
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let conn = null;
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let stream = null;
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// Remove existing listeners to prevent duplicates
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socket.removeAllListeners('authenticate')
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socket.removeAllListeners('data')
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socket.removeAllListeners('resize')
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socket.removeAllListeners('disconnect')
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// Authenticate user
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socket.on('authenticate', (credentials) => {
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console.log(`SOCKET AUTHENTICATE: ${socket.id}`)
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if (isValidCredentials(credentials)) {
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console.log(`SOCKET AUTHENTICATE SUCCESS: ${socket.id}`)
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initializeConnection(socket, credentials)
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} else {
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console.log(`SOCKET AUTHENTICATE FAILED: ${socket.id}`)
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socket.emit('auth_result', {
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success: false,
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message: 'Invalid credentials'
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})
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}
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})
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socket.on('disconnect', (reason) => {
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debugWebSSH2(`SOCKET DISCONNECT: ${socket.id}, Reason: ${reason}`)
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if (conn) {
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conn.end()
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}
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// Clean up listeners
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socket.removeAllListeners()
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})
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socket.on('data', (data) => {
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if (stream) {
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stream.write(data)
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}
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})
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socket.on('resize', (data) => {
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if (stream) {
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stream.setWindow(data.rows, data.cols)
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}
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})
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function initializeConnection (socket, credentials) {
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if (conn) {
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// If there's an existing connection, end it before creating a new one
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conn.end()
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}
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conn = new SSH()
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conn.on('ready', () => {
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console.log(
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`WebSSH2 Login: user=${credentials.username} from=${socket.handshake.address} host=${credentials.host} port=${credentials.port} sessionID=${socket.id}`
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)
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socket.emit('auth_result', { success: true })
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socket.emit('allowreauth', true)
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socket.emit('allowreplay', true)
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socket.emit('title', `ssh://${credentials.host}`)
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socket.emit('status', 'SSH CONNECTION ESTABLISHED')
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socket.emit('statusBackground', 'green')
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conn.shell(
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{
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term: credentials.term,
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cols: credentials.cols,
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rows: credentials.rows
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},
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(err, str) => {
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if (err) {
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return SSHerror('EXEC ERROR', err)
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}
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stream = str
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stream.on('data', (data) => {
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socket.emit('data', data.toString('utf-8'))
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})
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stream.on('close', (code, signal) => {
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SSHerror('STREAM CLOSE', {
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message:
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code || signal
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? `CODE: ${code} SIGNAL: ${signal}`
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: undefined
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})
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})
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stream.stderr.on('data', (data) => {
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console.log('STDERR: ' + data)
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})
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}
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)
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})
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conn.on('banner', (data) => {
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socket.emit('data', data.replace(/\r?\n/g, '\r\n'))
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})
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conn.on('end', () => SSHerror('CONN END BY HOST'))
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conn.on('close', () => SSHerror('CONN CLOSE'))
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conn.on('error', (err) => SSHerror('CONN ERROR', err))
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conn.connect({
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host: credentials.host,
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port: credentials.port,
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username: credentials.username,
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password: credentials.password,
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tryKeyboard: true,
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algorithms: credentials.algorithms,
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readyTimeout: credentials.readyTimeout,
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keepaliveInterval: credentials.keepaliveInterval,
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keepaliveCountMax: credentials.keepaliveCountMax,
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debug: debug('ssh2')
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})
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}
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function SSHerror (myFunc, err) {
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const errorMessage = err ? `: ${err.message}` : ''
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||||
console.log(`WebSSH2 error: ${myFunc}${errorMessage}`)
|
||||
socket.emit('ssherror', `SSH ${myFunc}${errorMessage}`)
|
||||
if (conn) {
|
||||
conn.end()
|
||||
}
|
||||
// Don't disconnect the socket here, let the client handle reconnection if necessary
|
||||
// socket.disconnect(true);
|
||||
}
|
||||
|
||||
function isValidCredentials (credentials) {
|
||||
// Implement your credential validation logic here
|
||||
return credentials && credentials.username && credentials.password
|
||||
}
|
||||
})
|
||||
/**
|
||||
* Handles WebSocket connections for SSH
|
||||
* @param {import('socket.io').Server} io - The Socket.IO server instance
|
||||
* @param {Object} config - The configuration object
|
||||
*/
|
||||
module.exports = function (io, config) {
|
||||
io.on('connection', (socket) => handleConnection(socket, config))
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles a new WebSocket connection
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {Object} config - The configuration object
|
||||
*/
|
||||
function handleConnection(socket, config) {
|
||||
let isConnectionClosed = false;
|
||||
|
||||
console.log(`SOCKET CONNECT: ${socket.id}`);
|
||||
|
||||
removeExistingListeners(socket)
|
||||
setupInitialSocketListeners(socket, config)
|
||||
|
||||
/**
|
||||
* Removes existing listeners to prevent duplicates
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
*/
|
||||
function removeExistingListeners(socket) {
|
||||
['authenticate', 'data', 'resize', 'disconnect', 'control'].forEach(event => {
|
||||
socket.removeAllListeners(event)
|
||||
})
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets up initial socket event listeners
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {Object} config - The configuration object
|
||||
*/
|
||||
function setupInitialSocketListeners(socket, config) {
|
||||
socket.on('authenticate', creds => handleAuthentication(socket, creds, config))
|
||||
socket.on('disconnect', reason => handleDisconnect(socket, reason))
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles authentication attempts
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {Credentials} creds - The credentials for authentication
|
||||
* @param {Object} config - The configuration object
|
||||
*/
|
||||
function handleAuthentication(socket, creds, config) {
|
||||
console.log(`SOCKET AUTHENTICATE: ${socket.id}`)
|
||||
if (isValidCredentials(creds)) {
|
||||
console.log(`SOCKET AUTHENTICATE SUCCESS: ${socket.id}`)
|
||||
initializeConnection(socket, creds, config)
|
||||
} else {
|
||||
console.log(`SOCKET AUTHENTICATE FAILED: ${socket.id}`)
|
||||
socket.emit('auth_result', { success: false, message: 'Invalid credentials' })
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes an SSH connection
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {Credentials} creds - The user credentials
|
||||
* @param {Object} config - The configuration object
|
||||
*/
|
||||
function initializeConnection(socket, creds, config) {
|
||||
if (conn) {
|
||||
conn.end()
|
||||
}
|
||||
|
||||
conn = new SSH()
|
||||
|
||||
conn.on('ready', () => {
|
||||
console.log(`SSH CONNECTION READY: ${socket.id}`)
|
||||
socket.emit('auth_result', { success: true })
|
||||
socket.emit('allowreplay', config.options.allowReplay || false)
|
||||
socket.emit('allowreauth', config.options.allowreauth || false)
|
||||
setupSSHListeners(socket, creds)
|
||||
initializeShell(socket, creds)
|
||||
})
|
||||
|
||||
conn.on('error', err => {
|
||||
console.log(`SSH CONNECTION ERROR: ${socket.id}`, err)
|
||||
handleError(socket, 'SSH CONNECTION ERROR', err)
|
||||
})
|
||||
|
||||
conn.connect(getSSHConfig(creds, config))
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets up SSH-specific event listeners
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {Credentials} creds - The user credentials
|
||||
*/
|
||||
function setupSSHListeners(socket, creds) {
|
||||
conn.on('banner', data => handleBanner(socket, data))
|
||||
conn.on('end', () => handleSSHEnd(socket))
|
||||
conn.on('close', () => handleSSHClose(socket))
|
||||
|
||||
socket.on('data', data => handleData(socket, stream, data))
|
||||
socket.on('resize', data => handleResize(stream, data))
|
||||
socket.on('control', controlData => handleControl(socket, stream, creds, controlData, config))
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes the SSH shell
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {Credentials} creds - The user credentials
|
||||
*/
|
||||
function initializeShell(socket, creds) {
|
||||
conn.shell(
|
||||
{
|
||||
term: creds.term,
|
||||
cols: creds.cols,
|
||||
rows: creds.rows
|
||||
},
|
||||
(err, str) => {
|
||||
if (err) {
|
||||
return handleError(socket, 'EXEC ERROR', err)
|
||||
}
|
||||
stream = str
|
||||
|
||||
stream.on('data', data => socket.emit('data', data.toString('utf-8')))
|
||||
stream.on('close', (code, signal) => {
|
||||
handleError(socket, 'STREAM CLOSE', {
|
||||
message: code || signal ? `CODE: ${code} SIGNAL: ${signal}` : undefined
|
||||
})
|
||||
})
|
||||
stream.stderr.on('data', data => console.log('STDERR: ' + data))
|
||||
}
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles the 'banner' event of the SSH connection
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {string} data - The banner data
|
||||
*/
|
||||
function handleBanner(socket, data) {
|
||||
socket.emit('data', data.replace(/\r?\n/g, '\r\n'))
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles the SSH connection end event
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
*/
|
||||
function handleSSHEnd(socket) {
|
||||
console.log(`SSH CONNECTION ENDED: ${socket.id}`)
|
||||
handleConnectionClose(socket)
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles the SSH connection close event
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
*/
|
||||
function handleSSHClose(socket) {
|
||||
console.log(`SSH CONNECTION CLOSED: ${socket.id}`)
|
||||
handleConnectionClose(socket)
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles the closure of the SSH connection
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
*/
|
||||
function handleConnectionClose(socket) {
|
||||
isConnectionClosed = true
|
||||
if (stream) {
|
||||
stream.end()
|
||||
stream = null
|
||||
}
|
||||
if (conn) {
|
||||
conn.end()
|
||||
conn = null
|
||||
}
|
||||
socket.emit('connection_closed')
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles socket disconnection
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {string} reason - The reason for disconnection
|
||||
*/
|
||||
function handleDisconnect(socket, reason) {
|
||||
console.log(`SOCKET DISCONNECT: ${socket.id}, Reason: ${reason}`)
|
||||
handleConnectionClose(socket)
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles incoming data from the client
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {import('ssh2').Channel} stream - The SSH stream
|
||||
* @param {string} data - The incoming data
|
||||
*/
|
||||
function handleData(socket, stream, data) {
|
||||
if (stream && !isConnectionClosed) {
|
||||
try {
|
||||
stream.write(data)
|
||||
} catch (error) {
|
||||
console.log('Error writing to stream:', error.message)
|
||||
handleConnectionClose(socket)
|
||||
}
|
||||
} else if (isConnectionClosed) {
|
||||
console.log('Attempted to write to closed connection')
|
||||
socket.emit('connection_closed')
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles terminal resize events
|
||||
* @param {import('ssh2').Channel} stream - The SSH stream
|
||||
* @param {Object} data - The resize data
|
||||
* @param {number} data.rows - The number of rows
|
||||
* @param {number} data.cols - The number of columns
|
||||
*/
|
||||
function handleResize(stream, data) {
|
||||
if (stream) {
|
||||
stream.setWindow(data.rows, data.cols)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles control commands from the client
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {import('ssh2').Channel} stream - The SSH stream
|
||||
* @param {Credentials} credentials - The user credentials
|
||||
* @param {string} controlData - The control command
|
||||
* @param {Object} config - The configuration object
|
||||
*/
|
||||
function handleControl(socket, stream, credentials, controlData, config) {
|
||||
console.log(`Received control data: ${controlData}`);
|
||||
|
||||
if (controlData === 'replayCredentials' && stream && credentials) {
|
||||
replayCredentials(socket, stream, credentials, config);
|
||||
} else if (controlData === 'reauth' && config.options.allowreauth) {
|
||||
handleReauth(socket);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Replays the user credentials to the SSH stream
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {import('ssh2').Channel} stream - The SSH stream
|
||||
* @param {Credentials} credentials - The user credentials
|
||||
* @param {Object} config - The configuration object
|
||||
*/
|
||||
function replayCredentials(socket, stream, credentials, config) {
|
||||
let allowReplay = config.options.allowReplay || false;
|
||||
|
||||
if (allowReplay) {
|
||||
console.log(`Replaying credentials for ${socket.id}`);
|
||||
stream.write(credentials.password + '\n');
|
||||
} else {
|
||||
console.log(`Credential replay not allowed for ${socket.id}`);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles reauthentication request
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
*/
|
||||
function handleReauth(socket) {
|
||||
console.log(`Reauthentication requested for ${socket.id}`);
|
||||
handleConnectionClose(socket);
|
||||
socket.emit('reauth');
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles SSH errors
|
||||
* @param {import('socket.io').Socket} socket - The Socket.IO socket
|
||||
* @param {string} context - The context where the error occurred
|
||||
* @param {Error} [err] - The error object
|
||||
*/
|
||||
function handleError(socket, context, err) {
|
||||
const errorMessage = err ? `: ${err.message}` : ''
|
||||
console.log(`WebSSH2 error: ${context}${errorMessage}`)
|
||||
socket.emit('ssherror', `SSH ${context}${errorMessage}`)
|
||||
handleConnectionClose(socket)
|
||||
}
|
||||
|
||||
/**
|
||||
* Validates the provided credentials
|
||||
* @param {Credentials} credentials - The credentials to validate
|
||||
* @returns {boolean} Whether the credentials are valid
|
||||
*/
|
||||
function isValidCredentials(credentials) {
|
||||
// Implement your credential validation logic here
|
||||
return credentials && credentials.username && credentials.password
|
||||
}
|
||||
|
||||
/**
|
||||
* Generates the SSH configuration object
|
||||
* @param {Credentials} credentials - The user credentials
|
||||
* @param {Object} config - The configuration object
|
||||
* @returns {import('ssh2').ConnectConfig} The SSH configuration object
|
||||
*/
|
||||
function getSSHConfig(credentials, config) {
|
||||
return {
|
||||
host: credentials.host,
|
||||
port: credentials.port,
|
||||
username: credentials.username,
|
||||
password: credentials.password,
|
||||
tryKeyboard: true,
|
||||
algorithms: credentials.algorithms,
|
||||
readyTimeout: credentials.readyTimeout,
|
||||
keepaliveInterval: credentials.keepaliveInterval,
|
||||
keepaliveCountMax: credentials.keepaliveCountMax,
|
||||
debug: debug('ssh2')
|
||||
}
|
||||
}
|
||||
}
|
||||
53
index.js
53
index.js
|
|
@ -1,20 +1,51 @@
|
|||
'use strict'
|
||||
/* jshint esversion: 6, asi: true, node: true */
|
||||
/*
|
||||
|
||||
/**
|
||||
* index.js
|
||||
*
|
||||
* WebSSH2 - Web to SSH2 gateway
|
||||
* Bill Church - https://github.com/billchurch/WebSSH2 - May 2017
|
||||
*
|
||||
*/
|
||||
|
||||
const { server, config } = require('./app/app')
|
||||
|
||||
server.listen(config.listen.port, config.listen.ip, () => {
|
||||
console.log(
|
||||
`WebSSH2 service listening on ${config.listen.ip}:${config.listen.port}`
|
||||
)
|
||||
})
|
||||
/**
|
||||
* Starts the server
|
||||
* @param {Object} config - The server configuration
|
||||
* @param {string} config.listen.ip - The IP address to listen on
|
||||
* @param {number} config.listen.port - The port to listen on
|
||||
* @param {import('http').Server} server - The HTTP server instance
|
||||
*/
|
||||
function startServer(config, server) {
|
||||
server.listen(config.listen.port, config.listen.ip, () => {
|
||||
console.log(
|
||||
`WebSSH2 service listening on ${config.listen.ip}:${config.listen.port}`
|
||||
)
|
||||
})
|
||||
|
||||
server.on('error', function (err) {
|
||||
console.log('WebSSH2 server.listen ERROR: ' + err.code)
|
||||
})
|
||||
server.on('error', handleServerError)
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles server errors
|
||||
* @param {Error} err - The error object
|
||||
*/
|
||||
function handleServerError(err) {
|
||||
console.error('WebSSH2 server.listen ERROR:', err.code)
|
||||
}
|
||||
|
||||
/**
|
||||
* Main function to start the application
|
||||
*/
|
||||
function main() {
|
||||
startServer(config, server)
|
||||
}
|
||||
|
||||
// Run the application
|
||||
main()
|
||||
|
||||
// For testing purposes, export the functions
|
||||
module.exports = {
|
||||
startServer,
|
||||
handleServerError
|
||||
}
|
||||
92
package-lock.json
generated
92
package-lock.json
generated
|
|
@ -1,6 +1,6 @@
|
|||
{
|
||||
"name": "webssh2-server",
|
||||
"version": "0.2.13",
|
||||
"version": "0.2.14",
|
||||
"lockfileVersion": 1,
|
||||
"requires": true,
|
||||
"dependencies": {
|
||||
|
|
@ -31,15 +31,12 @@
|
|||
"integrity": "sha512-QbJ0NTQ/I9DI3uSJA4cbexiwQeRAfjPScqIbSjUDd9TOrcg6pTkdgziesOqxBMBzit8vFCTwrP27t13vFOORRA=="
|
||||
},
|
||||
"ajv": {
|
||||
"version": "6.12.6",
|
||||
"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
|
||||
"integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
|
||||
"dev": true,
|
||||
"version": "4.11.8",
|
||||
"resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
|
||||
"integrity": "sha512-I/bSHSNEcFFqXLf91nchoNB9D1Kie3QKcWdchYUaoIg1+1bdWDkdfdlvdIOJbi9U8xR0y+MWc5D+won9v95WlQ==",
|
||||
"requires": {
|
||||
"fast-deep-equal": "^3.1.1",
|
||||
"fast-json-stable-stringify": "^2.0.0",
|
||||
"json-schema-traverse": "^0.4.1",
|
||||
"uri-js": "^4.2.2"
|
||||
"co": "^4.6.0",
|
||||
"json-stable-stringify": "^1.0.1"
|
||||
}
|
||||
},
|
||||
"ajv-keywords": {
|
||||
|
|
@ -446,7 +443,6 @@
|
|||
"version": "1.0.7",
|
||||
"resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.7.tgz",
|
||||
"integrity": "sha512-GHTSNSYICQ7scH7sZ+M2rFopRoLh8t2bLSW6BbgrtLsahOIB5iyAVJf9GjWK3cYTDaMj4XdBpM1cA6pIS0Kv2w==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"es-define-property": "^1.0.0",
|
||||
"es-errors": "^1.3.0",
|
||||
|
|
@ -580,6 +576,11 @@
|
|||
"integrity": "sha512-GRMWDxpOB6Dgk2E5Uo+3eEBvtOOlimMmpbFiKuLFnQzYDavtLFY3K5ona41jgN/WdRZtG7utuVSVTL4HbZHGkw==",
|
||||
"dev": true
|
||||
},
|
||||
"co": {
|
||||
"version": "4.6.0",
|
||||
"resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
|
||||
"integrity": "sha512-QVb0dM5HvG+uaxitm8wONl7jltx8dqhfU33DcqtOZcLSVIKSDDLDi7+0LbAKiyI8hD9u42m2YxXSkMGWThaecQ=="
|
||||
},
|
||||
"collection-visit": {
|
||||
"version": "1.0.0",
|
||||
"resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
|
||||
|
|
@ -789,7 +790,6 @@
|
|||
"version": "1.1.4",
|
||||
"resolved": "https://registry.npmjs.org/define-data-property/-/define-data-property-1.1.4.tgz",
|
||||
"integrity": "sha512-rBMvIzlpA8v6E+SJZoo++HAYqsLrkg7MSfIinMPFhmkorw7X+dOXVJQs+QT69zGkzMyfDnIMN2Wid1+NbL3T+A==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"es-define-property": "^1.0.0",
|
||||
"es-errors": "^1.3.0",
|
||||
|
|
@ -1015,7 +1015,6 @@
|
|||
"version": "1.0.0",
|
||||
"resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.0.tgz",
|
||||
"integrity": "sha512-jxayLKShrEqqzJ0eumQbVhTYQM27CfT1T35+gCgDFoL82JLsXqTJ76zv6A0YLOgEnLUMvLzsDsGIrl8NFpT2gQ==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"get-intrinsic": "^1.2.4"
|
||||
}
|
||||
|
|
@ -1023,8 +1022,7 @@
|
|||
"es-errors": {
|
||||
"version": "1.3.0",
|
||||
"resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
|
||||
"integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==",
|
||||
"dev": true
|
||||
"integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw=="
|
||||
},
|
||||
"es-object-atoms": {
|
||||
"version": "1.0.0",
|
||||
|
|
@ -1109,6 +1107,18 @@
|
|||
"text-table": "^0.2.0"
|
||||
},
|
||||
"dependencies": {
|
||||
"ajv": {
|
||||
"version": "6.12.6",
|
||||
"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
|
||||
"integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"fast-deep-equal": "^3.1.1",
|
||||
"fast-json-stable-stringify": "^2.0.0",
|
||||
"json-schema-traverse": "^0.4.1",
|
||||
"uri-js": "^4.2.2"
|
||||
}
|
||||
},
|
||||
"argparse": {
|
||||
"version": "1.0.10",
|
||||
"resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
|
||||
|
|
@ -1675,8 +1685,7 @@
|
|||
"function-bind": {
|
||||
"version": "1.1.2",
|
||||
"resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
|
||||
"integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
|
||||
"dev": true
|
||||
"integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA=="
|
||||
},
|
||||
"function.prototype.name": {
|
||||
"version": "1.1.6",
|
||||
|
|
@ -1706,7 +1715,6 @@
|
|||
"version": "1.2.4",
|
||||
"resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.2.4.tgz",
|
||||
"integrity": "sha512-5uYhsJH8VJBTv7oslg4BznJYhDoRI6waYCxMmCdnTrcCrHA/fCFKoTFz2JKKE0HdDFUF7/oQuhzumXJK7paBRQ==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"es-errors": "^1.3.0",
|
||||
"function-bind": "^1.1.2",
|
||||
|
|
@ -1808,7 +1816,6 @@
|
|||
"version": "1.0.1",
|
||||
"resolved": "https://registry.npmjs.org/gopd/-/gopd-1.0.1.tgz",
|
||||
"integrity": "sha512-d65bNlIadxvpb/A2abVdlqKqV563juRnZ1Wtk6s1sIR8uNsXR70xqIzVqxVf1eTqDunwT2MkczEeaezCKTZhwA==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"get-intrinsic": "^1.1.3"
|
||||
}
|
||||
|
|
@ -1890,7 +1897,6 @@
|
|||
"version": "1.0.2",
|
||||
"resolved": "https://registry.npmjs.org/has-property-descriptors/-/has-property-descriptors-1.0.2.tgz",
|
||||
"integrity": "sha512-55JNKuIW+vq4Ke1BjOTjM2YctQIvCT7GFzHwmfZPGo5wnrgkid0YQtnAleFSqumZm4az3n2BS+erby5ipJdgrg==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"es-define-property": "^1.0.0"
|
||||
}
|
||||
|
|
@ -1898,14 +1904,12 @@
|
|||
"has-proto": {
|
||||
"version": "1.0.3",
|
||||
"resolved": "https://registry.npmjs.org/has-proto/-/has-proto-1.0.3.tgz",
|
||||
"integrity": "sha512-SJ1amZAJUiZS+PhsVLf5tGydlaVB8EdFpaSO4gmiUKUOxk8qzn5AIy4ZeJUmh22znIdk/uMAUT2pl3FxzVUH+Q==",
|
||||
"dev": true
|
||||
"integrity": "sha512-SJ1amZAJUiZS+PhsVLf5tGydlaVB8EdFpaSO4gmiUKUOxk8qzn5AIy4ZeJUmh22znIdk/uMAUT2pl3FxzVUH+Q=="
|
||||
},
|
||||
"has-symbols": {
|
||||
"version": "1.0.3",
|
||||
"resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz",
|
||||
"integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A==",
|
||||
"dev": true
|
||||
"integrity": "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A=="
|
||||
},
|
||||
"has-tostringtag": {
|
||||
"version": "1.0.2",
|
||||
|
|
@ -1952,7 +1956,6 @@
|
|||
"version": "2.0.2",
|
||||
"resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
|
||||
"integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"function-bind": "^1.1.2"
|
||||
}
|
||||
|
|
@ -2405,6 +2408,24 @@
|
|||
"integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
|
||||
"dev": true
|
||||
},
|
||||
"json-stable-stringify": {
|
||||
"version": "1.1.1",
|
||||
"resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.1.1.tgz",
|
||||
"integrity": "sha512-SU/971Kt5qVQfJpyDveVhQ/vya+5hvrjClFOcr8c0Fq5aODJjMwutrOfCU+eCnVD5gpx1Q3fEqkyom77zH1iIg==",
|
||||
"requires": {
|
||||
"call-bind": "^1.0.5",
|
||||
"isarray": "^2.0.5",
|
||||
"jsonify": "^0.0.1",
|
||||
"object-keys": "^1.1.1"
|
||||
},
|
||||
"dependencies": {
|
||||
"isarray": {
|
||||
"version": "2.0.5",
|
||||
"resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.5.tgz",
|
||||
"integrity": "sha512-xHjhDr3cNBK0BzdUJSPXZntQUx/mwMS5Rw4A7lPJ90XGAO6ISP/ePDNuo0vhqOZU+UD5JoodwCAAoZQd3FeAKw=="
|
||||
}
|
||||
}
|
||||
},
|
||||
"json-stable-stringify-without-jsonify": {
|
||||
"version": "1.0.1",
|
||||
"resolved": "https://registry.npmjs.org/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz",
|
||||
|
|
@ -2416,6 +2437,11 @@
|
|||
"resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
|
||||
"integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg=="
|
||||
},
|
||||
"jsonify": {
|
||||
"version": "0.0.1",
|
||||
"resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.1.tgz",
|
||||
"integrity": "sha512-2/Ki0GcmuqSrgFyelQq9M05y7PS0mEwuIzrf3f1fPqkVDVRvZrPZtVSMHxdgo8Aq0sxAOb/cr2aqqA3LeWHVPg=="
|
||||
},
|
||||
"jsx-ast-utils": {
|
||||
"version": "2.4.1",
|
||||
"resolved": "https://registry.npmjs.org/jsx-ast-utils/-/jsx-ast-utils-2.4.1.tgz",
|
||||
|
|
@ -2781,8 +2807,7 @@
|
|||
"object-keys": {
|
||||
"version": "1.1.1",
|
||||
"resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
|
||||
"integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==",
|
||||
"dev": true
|
||||
"integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA=="
|
||||
},
|
||||
"object-visit": {
|
||||
"version": "1.0.1",
|
||||
|
|
@ -3419,7 +3444,6 @@
|
|||
"version": "1.2.2",
|
||||
"resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
|
||||
"integrity": "sha512-pgRc4hJ4/sNjWCSS9AmnS40x3bNMDTknHgL5UaMBTMyJnU90EgWh1Rz+MC9eFu4BuN/UwZjKQuY/1v3rM7HMfg==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"define-data-property": "^1.1.4",
|
||||
"es-errors": "^1.3.0",
|
||||
|
|
@ -3988,6 +4012,20 @@
|
|||
"lodash": "^4.17.4",
|
||||
"slice-ansi": "1.0.0",
|
||||
"string-width": "^2.1.1"
|
||||
},
|
||||
"dependencies": {
|
||||
"ajv": {
|
||||
"version": "6.12.6",
|
||||
"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
|
||||
"integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
|
||||
"dev": true,
|
||||
"requires": {
|
||||
"fast-deep-equal": "^3.1.1",
|
||||
"fast-json-stable-stringify": "^2.0.0",
|
||||
"json-schema-traverse": "^0.4.1",
|
||||
"uri-js": "^4.2.2"
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"term-size": {
|
||||
|
|
|
|||
|
|
@ -32,6 +32,7 @@
|
|||
"url": "https://github.com/billchurch/WebSSH2/issues"
|
||||
},
|
||||
"dependencies": {
|
||||
"ajv": "^4.11.8",
|
||||
"debug": "~4.1.0",
|
||||
"read-config-ng": "~3.0.7",
|
||||
"socket.io": "~2.2.0",
|
||||
|
|
|
|||
Loading…
Reference in a new issue