Merge Test #1
67
index.html
67
index.html
@ -4,51 +4,34 @@
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>webssh_plus</title>
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<script src="/socket.io/socket.io.js"></script>
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<link rel="stylesheet" href="node_modules/xterm/dist/xterm.css" />
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<script src="node_modules/xterm/dist/xterm.js"></script>
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
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<style>
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body {
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height: 100vh!important;
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margin: 0;
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padding: 0;
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}
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div#terminal {
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height: 100%;
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width: 100%;
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}
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</style>
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<title>bash</title>
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<link rel="stylesheet" href="/node_modules/xterm/dist/xterm.css" />
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<link rel="stylesheet" href="/node_modules/xterm/dist/addons/fullscreen/fullscreen.css" />
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<script src="https://cdnjs.cloudflare.com/ajax/libs/es6-promise/4.1.1/es6-promise.auto.min.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.0.0/fetch.min.js"></script>
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<script src="/node_modules/xterm/dist/xterm.js"></script>
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<script src="/node_modules/xterm/dist/addons/fit/fit.js"></script>
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<script src="/node_modules/xterm/dist/addons/attach/attach.js"></script>
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</head>
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<body>
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<div id="terminal">
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<!-- ! Here will be the terminal stuff -->
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</div>
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<div id="terminal"></div>
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<script>
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var term = new Terminal();
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// Connect to the socket.io server
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var socket = io.connect('http://localhost:9774');
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// Wait for data from the server
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socket.on('client_identify', function() {
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var size = {
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height: document.querySelector('body').offsetHeight,
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width: document.querySelector('body').offsetWidth,
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}
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socket.emit('client_size', size)
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});
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term.open(document.getElementById('terminal'))
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socket.on('output', function (data) {
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term.write(data);
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});
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// Listen for user input and pass it to the server
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term.on('data', function(data) {
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console.log(data);
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socket.emit('input', data);
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});
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// No idea what these are about. Just copied them from the demo code
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Terminal.applyAddon(attach);
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Terminal.applyAddon(fit);
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// The terminal
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const term = new Terminal();
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// This kinda makes sense
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const container = document.getElementById('terminal');
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term.open(container);
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// Open the websocket connection to the backend
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const protocol = (location.protocol === 'https:') ? 'wss://' : 'ws://';
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const port = location.port ? `:${location.port}` : '';
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const socketUrl = `${protocol}${location.hostname}${port}/shell`;
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const socket = new WebSocket(socketUrl);
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// Attach the socket to the terminal
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socket.onopen = (ev) => { term.attach(socket); };
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// Not going to worry about close/error for the websocket
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</script>
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</body>
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</html>
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72
main.js
72
main.js
@ -1,55 +1,29 @@
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// Reference: https://hub.packtpub.com/making-simple-web-based-ssh-client-using-nodejs-and-socketio/
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var express = require('express');
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var https = require('https');
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var http = require('http');
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var fs = require('fs');
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var pty = require('node-pty');
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// Set port
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var port = 9774;
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const app = express();
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const expressWs = require('express-ws')(app);
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// Set up express server
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let app = express();
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// Serve static assets from ./static
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app.use(express.static('./'));
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// Set HTTP server root folder
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app.use("/", express.static("./"));
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// Instantiate shell and set up data handlers
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expressWs.app.ws('/shell', (ws, req) => {
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// Spawn the shell
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const shell = pty.spawn('/bin/bash', [], {
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name: 'xterm-color',
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cwd: process.env.PWD,
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env: process.env
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});
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// For all shell data send it to the websocket
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shell.on('data', (data) => {
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ws.send(data);
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});
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// For all websocket data send it to the shell
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ws.on('message', (msg) => {
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shell.write(msg);
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});
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});
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// Creating an HTTP server
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var server = http.createServer(app).listen(port);
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console.log(`Listening on port ${port}`);
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var io = require('socket.io')(server);
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// When a new socket connects
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io.on('connection', function (socket) {
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console.log('Client connect');
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socket.emit('client_identify');
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socket.on('client_size', function (size) {
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// Create terminal
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console.log(size);
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console.log({ cols: Math.floor(size.width / 9), rows: Math.floor(size.height / 10) })
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var term = pty.spawn('sh', [], {
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name: 'xterm-color',
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cols: Math.floor(size.width / 9),
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rows: Math.floor(size.height / 10),
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cwd: process.env.HOME,
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env: process.env
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});
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// Listen on the terminal for output and send it to the client
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term.on('data', function (data) {
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socket.emit('output', data);
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});
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// Listen on the client and send any input to the terminal
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socket.on('input', function (data) {
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term.write(data);
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});
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// When socket disconnects, destroy the terminal
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socket.on("disconnect", function () {
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term.destroy();
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console.log("Client disconnect");
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});
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})
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});
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// Start the application
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app.listen(9774);
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18
package-lock.json
generated
18
package-lock.json
generated
@ -269,6 +269,24 @@
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"vary": "~1.1.2"
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}
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},
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"express-ws": {
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"version": "4.0.0",
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"resolved": "https://registry.npmjs.org/express-ws/-/express-ws-4.0.0.tgz",
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"integrity": "sha512-KEyUw8AwRET2iFjFsI1EJQrJ/fHeGiJtgpYgEWG3yDv4l/To/m3a2GaYfeGyB3lsWdvbesjF5XCMx+SVBgAAYw==",
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"requires": {
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"ws": "^5.2.0"
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},
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"dependencies": {
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"ws": {
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"version": "5.2.2",
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"resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
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"integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
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"requires": {
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"async-limiter": "~1.0.0"
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}
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}
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}
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},
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"finalhandler": {
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"version": "1.1.2",
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"resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.2.tgz",
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@ -18,6 +18,7 @@
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"license": "UNLICENSED",
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"dependencies": {
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"express": "^4.17.1",
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"express-ws": "^4.0.0",
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"node-pty": "^0.8.1",
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"socket.io": "^2.2.0",
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"xterm": "^3.14.5"
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