Changing over from term.js to xterm.js
Changing over from term.js to https://github.com/sourcelair/xterm.js Added cookieParser for some additional to do some URI translation
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billchurch
parent
181907ce07
commit
ca4e059c39
1 changed files with 37 additions and 28 deletions
65
index.js
65
index.js
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@ -1,32 +1,24 @@
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/*
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* WebSSH2 - Web to SSH2 gateway
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* Bill Church - https://github.com/billchurch - April 2016
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*
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*/
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var express = require('express');
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var app = express();
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var cookieParser = require('cookie-parser')
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var server = require('http').Server(app);
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var io = require('socket.io')(server);
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var path = require('path');
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var basicAuth = require('basic-auth');
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var term = require('term.js');
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var ssh = require('ssh2');
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var readConfig = require('read-config'),
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config = readConfig(__dirname + '/config.json');
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function checkParams(arr) {
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return function(req, res, next) {
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// Make sure each param listed in arr is present in req.query
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var missing_params = [];
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for (var i = 0; i < arr.length; i++) {
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if (!eval("req.query." + arr[i])) {
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missing_params.push(arr[i]);
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}
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}
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if (missing_params.length == 0) {
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next();
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} else {
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next(JSON.stringify({
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"error": "query error",
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"message": "Parameter(s) missing: " + missing_params.join(",")
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}));
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}
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}
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function logErrors(err, req, res, next) {
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console.error(err.stack);
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next(err);
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}
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server.listen({
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@ -42,25 +34,28 @@ server.listen({
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}
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});
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app.use(express.static(__dirname + '/public')).use(term.middleware()).use(function(req, res, next) {
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app.use(express.static(__dirname + '/public')).use(function(req, res, next) {
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var myAuth = basicAuth(req);
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if (myAuth === undefined) {
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res.statusCode = 401;
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res.setHeader('WWW-Authenticate', 'Basic realm="WebSSH"');
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res.end('Username and password required for web SSH service.');
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} else {
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config.user.name = myAuth['name'];
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config.user.password = myAuth['pass'];
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config.user.name = myAuth.name;
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config.user.password = myAuth.pass;
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next();
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}
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}).get('/', checkParams(["host"]), function(req, res) {
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res.sendFile(path.join(__dirname + '/public/client.htm'))
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config.ssh.host = req.query.host
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}).use(cookieParser()).get('/ssh/host/:host?', function(req, res) {
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res.sendFile(path.join(__dirname + '/public/client.htm'));
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config.ssh.host = req.params.host;
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if (typeof req.query.port !== 'undefined' && req.query.port !== null){ config.host.port = req.query.port;}
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if (typeof req.query.header !== 'undefined' && req.query.header !== null){ config.header.text = req.query.header;}
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if (typeof req.query.headerBackground !== 'undefined' && req.query.headerBackground !== null){ config.header.background = req.query.headerBackground;}
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// debug // console.log('varibles passwd: ' + username + '/' + host + '/' + port);
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});
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console.log ('webssh2 Login: user=' + config.user.name + ' from=' + req.ip + ' host=' + config.ssh.host + ' port=' + config.ssh.port + ' sessionID=' + req.headers['sessionid'] + ' allowreplay=' + req.headers['allowreplay']);
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console.log ('Headers: ' + JSON.stringify(req.headers));
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config.options.allowreplay = req.headers['allowreplay'];
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}).use('/style',express.static(__dirname + '/public')).use('/src',express.static(__dirname + '/node_modules/xterm/dist')).use('/addons',express.static(__dirname + '/node_modules/xterm/dist/addons'));
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io.on('connection', function(socket) {
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var conn = new ssh();
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@ -73,13 +68,23 @@ io.on('connection', function(socket) {
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socket.emit('footer', 'ssh://' + config.user.name + '@' + config.ssh.host + ':' + config.ssh.port);
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socket.emit('status', 'SSH CONNECTION ESTABLISHED');
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socket.emit('statusBackground', 'green');
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socket.emit('allowreplay', config.options.allowreplay)
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conn.shell(function(err, stream) {
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if (err) return socket.emit('status', 'SSH EXEC ERROR: ' + err.message).emit('statusBackground', 'red');
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socket.on('data', function(data) {
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stream.write(data);
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});
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socket.on('control', function(controlData) {
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switch(controlData) {
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case 'replayCredentials':
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stream.write(config.user.password + '\n');
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default:
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console.log ('controlData: '+ controlData);
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};
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});
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stream.on('data', function(d) {
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socket.emit('data', d.toString('binary'));
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// console.log('data: ' + d);
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}).on('close', function() {
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conn.end();
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});
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@ -91,13 +96,17 @@ io.on('connection', function(socket) {
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socket.emit('status', 'SSH CONNECTION CLOSED');
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socket.emit('statusBackground', 'red');
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}).on('error', function(error) {
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socket.emit('status', 'SSH CONNECTION ERROR - ' + error)
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socket.emit('status', 'SSH CONNECTION ERROR - ' + error);
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socket.emit('statusBackground', 'red');
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}).on('keyboard-interactive', function(name, instructions, instructionsLang, prompts, finish) {
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console.log('Connection :: keyboard-interactive');
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finish([config.user.password]);
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}).connect({
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host: config.ssh.host,
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port: config.ssh.port,
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username: config.user.name,
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password: config.user.password,
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tryKeyboard: true,
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// some cisco routers need the these cipher strings
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algorithms: {
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'cipher': ['aes128-cbc', '3des-cbc', 'aes256-cbc'],
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