codelint and cross platform improvements
Used [standard](https://github.com/feross/standard) to lint some of the code. Cross-platform directory handling (updated references to filesystem paths to use path.join)
This commit is contained in:
billchurch
parent
cef50b870c
commit
aad3744552
2 changed files with 235 additions and 235 deletions
274
index.js
274
index.js
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@ -1,151 +1,151 @@
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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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*/
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var express = require('express'),
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app = express(),
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cookieParser = require('cookie-parser'),
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server = require('http').Server(app),
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io = require('socket.io')(server),
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path = require('path'),
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basicAuth = require('basic-auth'),
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ssh = require('ssh2').Client,
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readConfig = require('read-config'),
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config = readConfig(__dirname + '/config.json'),
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myError = " - ",
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termCols,
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termRows;
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app = express(),
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cookieParser = require('cookie-parser'),
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server = require('http').Server(app),
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io = require('socket.io')(server),
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path = require('path'),
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basicAuth = require('basic-auth'),
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ssh = require('ssh2').Client,
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readConfig = require('read-config'),
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config = readConfig(path.join(__dirname, 'config.json')),
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myError = ' - ',
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termCols,
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termRows
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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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// 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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host: config.listen.ip,
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port: config.listen.port
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}).on('error', function(err) {
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if (err.code === 'EADDRINUSE') {
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config.listen.port++;
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console.log('Address in use, retrying on port ' + config.listen.port);
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setTimeout(function() {
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server.listen(config.listen.port);
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}, 250);
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}
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});
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host: config.listen.ip,
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port: config.listen.port
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}).on('error', function (err) {
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if (err.code === 'EADDRINUSE') {
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config.listen.port++
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console.log('Address in use, retrying on port ' + config.listen.port)
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setTimeout(function () {
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server.listen(config.listen.port)
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}, 250)
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}
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})
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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 if (myAuth.name === "") {
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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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next();
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}
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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) {
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config.ssh.port = req.query.port;
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}
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if (typeof req.query.header !== 'undefined' && req.query.header !== null) {
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config.header.text = req.query.header;
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}
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if (typeof req.query.headerBackground !== 'undefined' && req.query.headerBackground !== null) {
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config.header.background = req.query.headerBackground;
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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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app.use(express.static(path.join(__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 if (myAuth.name === '') {
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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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next()
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}
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}).use(cookieParser()).get('/ssh/host/:host?', function (req, res) {
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res.sendFile(path.join(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) {
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config.ssh.port = req.query.port
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}
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if (typeof req.query.header !== 'undefined' && req.query.header !== null) {
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config.header.text = req.query.header
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}
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if (typeof req.query.headerBackground !== 'undefined' && req.query.headerBackground !== null) {
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config.header.background = req.query.headerBackground
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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(path.join(__dirname, 'public'))).use('/src', express.static(path.join(__dirname, 'node_modules', 'xterm', 'dist'))).use('/addons', express.static(path.join(__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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socket.on('geometry', function(cols, rows) {
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termCols = cols;
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termRows = rows;
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});
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io.on('connection', function (socket) {
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var conn = new ssh()
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socket.on('geometry', function (cols, rows) {
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termCols = cols
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termRows = rows
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})
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conn.on('banner', function(d) {
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//need to convert to cr/lf for proper formatting
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d = d.replace(/\r?\n/g, "\r\n");
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socket.emit('data', d.toString('binary'));
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}).on('ready', function() {
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socket.emit('title', 'ssh://' + config.ssh.host);
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socket.emit('headerBackground', config.header.background);
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socket.emit('header', config.header.text);
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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.on('banner', function (d) {
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// need to convert to cr/lf for proper formatting
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d = d.replace(/\r?\n/g, '\r\n')
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socket.emit('data', d.toString('binary'))
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}).on('ready', function () {
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socket.emit('title', 'ssh://' + config.ssh.host)
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socket.emit('headerBackground', config.header.background)
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socket.emit('header', config.header.text)
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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({
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term: config.ssh.term,
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cols: termCols,
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rows: termRows
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}, function(err, stream) {
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if (err) {
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console.log(err.message);
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myError = myError + err.message;
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return socket.emit('status', 'SSH EXEC ERROR: ' + err.message).emit('statusBackground', 'red');
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}
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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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conn.shell({
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term: config.ssh.term,
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cols: termCols,
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rows: termRows
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}, function (err, stream) {
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if (err) {
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console.log(err.message)
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myError = myError + err.message
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return socket.emit('status', 'SSH EXEC ERROR: ' + err.message).emit('statusBackground', 'red')
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}
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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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/* falls through */
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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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}).on('close', function(code, signal) {
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console.log('Stream :: close :: code: ' + code + ', signal: ' + signal);
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conn.end();
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socket.disconnect();
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}).stderr.on('data', function(data) {
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console.log('STDERR: ' + data);
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});
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});
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}).on('end', function() {
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socket.emit('status', 'SSH CONNECTION CLOSED BY HOST' + myError);
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socket.emit('statusBackground', 'red');
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socket.disconnect();
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}).on('close', function() {
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socket.emit('status', 'SSH CONNECTION CLOSE' + myError);
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socket.emit('statusBackground', 'red');
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socket.disconnect();
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}).on('error', function(err) {
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myError = myError + err;
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socket.emit('status', 'SSH CONNECTION ERROR' + myError);
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socket.emit('statusBackground', 'red');
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console.log('on.error' + myError);
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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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'hmac': ['hmac-sha1', 'hmac-sha1-96', 'hmac-md5-96']
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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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});
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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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}).on('close', function (code, signal) {
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console.log('Stream :: close :: code: ' + code + ', signal: ' + signal)
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conn.end()
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socket.disconnect()
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}).stderr.on('data', function (data) {
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console.log('STDERR: ' + data)
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})
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})
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}).on('end', function () {
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socket.emit('status', 'SSH CONNECTION CLOSED BY HOST' + myError)
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socket.emit('statusBackground', 'red')
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socket.disconnect()
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}).on('close', function () {
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socket.emit('status', 'SSH CONNECTION CLOSE' + myError)
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socket.emit('statusBackground', 'red')
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socket.disconnect()
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}).on('error', function (err) {
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myError = myError + err
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socket.emit('status', 'SSH CONNECTION ERROR' + myError)
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socket.emit('statusBackground', 'red')
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console.log('on.error' + myError)
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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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'hmac': ['hmac-sha1', 'hmac-sha1-96', 'hmac-md5-96']
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}
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})
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})
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196
public/client.js
196
public/client.js
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@ -1,117 +1,117 @@
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var sessionLog,
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sessionLogEnable = false,
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sessionFooter,
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logDate;
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sessionLogEnable = false,
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sessionFooter,
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logDate
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// replay password to server, requires
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function replayCredentials() {
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socket.emit('control', 'replayCredentials');
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console.log("replaying credentials");
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return false;
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// replay password to server, requires
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function replayCredentials () {
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socket.emit('control', 'replayCredentials')
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console.log('replaying credentials')
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return false
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}
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// Set variable to toggle log data from client/server to a varialble
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// Set variable to toggle log data from client/server to a varialble
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// for later download
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function toggleLog() {
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if (sessionLogEnable == true) {
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sessionLogEnable = false;
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document.getElementById('toggleLog').innerHTML = '<a class="toggleLog" href="javascript:void(0);" onclick="toggleLog();">Start Log</a>';
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console.log("stopping log, " + sessionLogEnable);
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currentDate = new Date();
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sessionLog = sessionLog + "\r\n\r\nLog End for " + sessionFooter + ": " + currentDate.getFullYear() + "/" + (currentDate.getMonth() + 1) + "/" + currentDate.getDate() + " @ " + currentDate.getHours() + ":" + currentDate.getMinutes() + ":" + currentDate.getSeconds() + "\r\n";
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logDate = currentDate;
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return false;
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} else {
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sessionLogEnable = true;
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document.getElementById('toggleLog').innerHTML = '<a class="toggleLog" href="javascript:void(0)" onclick="toggleLog();">Logging - STOP LOG</a>';
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document.getElementById('downloadLog').style.display = 'inline';
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console.log("starting log, " + sessionLogEnable);
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currentDate = new Date();
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sessionLog = "Log Start for " + sessionFooter + ": " + currentDate.getFullYear() + "/" + (currentDate.getMonth() + 1) + "/" + currentDate.getDate() + " @ " + currentDate.getHours() + ":" + currentDate.getMinutes() + ":" + currentDate.getSeconds() + "\r\n\r\n";
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logDate = currentDate;
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return false;
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}
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function toggleLog () {
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if (sessionLogEnable === true) {
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sessionLogEnable = false
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document.getElementById('toggleLog').innerHTML = '<a class="toggleLog" href="javascript:void(0);" onclick="toggleLog();">Start Log</a>'
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console.log('stopping log, ' + sessionLogEnable)
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currentDate = new Date()
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sessionLog = sessionLog + '\r\n\r\nLog End for ' + sessionFooter + ': ' + currentDate.getFullYear() + '/' + (currentDate.getMonth() + 1) + '/' + currentDate.getDate() + ' @ ' + currentDate.getHours() + ':' + currentDate.getMinutes() + ':' + currentDate.getSeconds() + '\r\n'
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logDate = currentDate
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return false
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} else {
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sessionLogEnable = true
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document.getElementById('toggleLog').innerHTML = '<a class="toggleLog" href="javascript:void(0)" onclick="toggleLog();">Logging - STOP LOG</a>'
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document.getElementById('downloadLog').style.display = 'inline'
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console.log('starting log, ' + sessionLogEnable)
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currentDate = new Date()
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sessionLog = 'Log Start for ' + sessionFooter + ': ' + currentDate.getFullYear() + '/' + (currentDate.getMonth() + 1) + '/' + currentDate.getDate() + ' @ ' + currentDate.getHours() + ':' + currentDate.getMinutes() + ':' + currentDate.getSeconds() + '\r\n\r\n'
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logDate = currentDate
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return false
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}
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}
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// cross browser method to "download" an element to the local system
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// used for our client-side logging feature
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function downloadLog() {
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myFile = "WebSSH2-" + logDate.getFullYear() + (logDate.getMonth() + 1) + logDate.getDate() + "_" + logDate.getHours() + logDate.getMinutes() + logDate.getSeconds() + ".log";
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function downloadLog () {
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myFile = 'WebSSH2-' + logDate.getFullYear() + (logDate.getMonth() + 1) + logDate.getDate() + '_' + logDate.getHours() + logDate.getMinutes() + logDate.getSeconds() + '.log'
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// regex should eliminate escape sequences from being logged.
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var blob = new Blob([sessionLog.replace(/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '')], {
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type: 'text/plain'
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});
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if (window.navigator.msSaveOrOpenBlob) {
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window.navigator.msSaveBlob(blob, myFile);
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} else {
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var elem = window.document.createElement('a');
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elem.href = window.URL.createObjectURL(blob);
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elem.download = myFile;
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document.body.appendChild(elem);
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elem.click();
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document.body.removeChild(elem);
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}
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var blob = new Blob([sessionLog.replace(/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '')], {
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type: 'text/plain'
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})
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if (window.navigator.msSaveOrOpenBlob) {
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window.navigator.msSaveBlob(blob, myFile)
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} else {
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var elem = window.document.createElement('a')
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elem.href = window.URL.createObjectURL(blob)
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elem.download = myFile
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document.body.appendChild(elem)
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elem.click()
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document.body.removeChild(elem)
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}
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}
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document.getElementById('downloadLog').style.display = 'none';
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document.getElementById('credentials').style.display = 'none';
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document.getElementById('downloadLog').style.display = 'none'
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document.getElementById('credentials').style.display = 'none'
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var terminalContainer = document.getElementById('terminal-container'),
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term = new Terminal({
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cursorBlink: true
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}),
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socket,
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termid;
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term.open(terminalContainer);
|
||||
term.fit();
|
||||
term = new Terminal({
|
||||
cursorBlink: true
|
||||
}),
|
||||
socket,
|
||||
termid
|
||||
term.open(terminalContainer)
|
||||
term.fit()
|
||||
|
||||
if (document.location.pathname) {
|
||||
var parts = document.location.pathname.split('/'),
|
||||
base = parts.slice(0, parts.length - 1).join('/') + '/',
|
||||
resource = base.substring(1) + 'socket.io';
|
||||
socket = io.connect(null, {
|
||||
resource: resource
|
||||
});
|
||||
var parts = document.location.pathname.split('/'),
|
||||
base = parts.slice(0, parts.length - 1).join('/') + '/',
|
||||
resource = base.substring(1) + 'socket.io'
|
||||
socket = io.connect(null, {
|
||||
resource: resource
|
||||
})
|
||||
} else {
|
||||
socket = io.connect();
|
||||
socket = io.connect()
|
||||
}
|
||||
|
||||
socket.on('connect', function() {
|
||||
socket.emit('geometry', term.cols, term.rows);
|
||||
term.on('data', function(data) {
|
||||
socket.emit('data', data);
|
||||
});
|
||||
socket.on('title', function(data) {
|
||||
document.title = data;
|
||||
}).on('status', function(data) {
|
||||
document.getElementById('status').innerHTML = data;
|
||||
}).on('headerBackground', function(data) {
|
||||
document.getElementById('header').style.backgroundColor = data;
|
||||
}).on('header', function(data) {
|
||||
document.getElementById('header').innerHTML = data;
|
||||
}).on('footer', function(data) {
|
||||
sessionFooter = data;
|
||||
document.getElementById('footer').innerHTML = data;
|
||||
}).on('statusBackground', function(data) {
|
||||
document.getElementById('status').style.backgroundColor = data;
|
||||
}).on('allowreplay', function(data) {
|
||||
if (data == 'true') {
|
||||
console.log('allowreplay: ' + data);
|
||||
document.getElementById('credentials').style.display = 'inline';
|
||||
} else {
|
||||
document.getElementById('credentials').style.display = 'none';
|
||||
}
|
||||
}).on('data', function(data) {
|
||||
term.write(data);
|
||||
if (sessionLogEnable) {
|
||||
sessionLog = sessionLog + data
|
||||
}
|
||||
}).on('disconnect', function(err) {
|
||||
document.getElementById('status').style.backgroundColor = 'red';
|
||||
document.getElementById('status').innerHTML = 'WEBSOCKET SERVER DISCONNECTED' + err;
|
||||
socket.io.reconnection(false);
|
||||
}).on('error', function(err) {
|
||||
document.getElementById('status').style.backgroundColor = 'red';
|
||||
document.getElementById('status').innerHTML = 'ERROR ' + err;
|
||||
});
|
||||
});
|
||||
socket.on('connect', function () {
|
||||
socket.emit('geometry', term.cols, term.rows)
|
||||
term.on('data', function (data) {
|
||||
socket.emit('data', data)
|
||||
})
|
||||
socket.on('title', function (data) {
|
||||
document.title = data
|
||||
}).on('status', function (data) {
|
||||
document.getElementById('status').innerHTML = data
|
||||
}).on('headerBackground', function (data) {
|
||||
document.getElementById('header').style.backgroundColor = data
|
||||
}).on('header', function (data) {
|
||||
document.getElementById('header').innerHTML = data
|
||||
}).on('footer', function (data) {
|
||||
sessionFooter = data
|
||||
document.getElementById('footer').innerHTML = data
|
||||
}).on('statusBackground', function (data) {
|
||||
document.getElementById('status').style.backgroundColor = data
|
||||
}).on('allowreplay', function (data) {
|
||||
if (data === 'true') {
|
||||
console.log('allowreplay: ' + data)
|
||||
document.getElementById('credentials').style.display = 'inline'
|
||||
} else {
|
||||
document.getElementById('credentials').style.display = 'none'
|
||||
}
|
||||
}).on('data', function (data) {
|
||||
term.write(data)
|
||||
if (sessionLogEnable) {
|
||||
sessionLog = sessionLog + data
|
||||
}
|
||||
}).on('disconnect', function (err) {
|
||||
document.getElementById('status').style.backgroundColor = 'red'
|
||||
document.getElementById('status').innerHTML = 'WEBSOCKET SERVER DISCONNECTED' + err
|
||||
socket.io.reconnection(false)
|
||||
}).on('error', function (err) {
|
||||
document.getElementById('status').style.backgroundColor = 'red'
|
||||
document.getElementById('status').innerHTML = 'ERROR ' + err
|
||||
})
|
||||
})
|
||||
|
|
|
|||
Loading…
Reference in a new issue