mscdex · July 2, 2022 20:10 · Feb 6, 2016 · Feb 6, 2016 · Feb 6, 2016 · Feb 6, 2016
diff --git a/server.js b/server.js
@@ -46,7 +46,7 @@ server.on('upgrade', function(request, socket, body) {
   }
 });
 
-server.listen(8000);
+server.listen(8000, '127.0.0.1');
 
 app.use(express.static(__dirname + '/public'));
 app.use(term.middleware());
diff --git a/_instructions.md b/_instructions.md
@@ -3,6 +3,6 @@ Instructions:
 1. `npm install express faye-websocket ssh2 term.js`
 2. Create a `public` subdirectory
 3. Place `client.htm` in `public`
-4. Edit the ssh connection details in `server.js`
+4. Edit the ssh connection details in `server.js`. See the documentation for the `connect()` method in the [ssh2 readme](https://github.com/mscdex/ssh2) for more information.
 5. Start the server with `node server.js`
-6. Visit http://localhost:8000/client.htm in a WebSocket-capable browser
+6. Visit [http://localhost:8000/client.htm](http://localhost:8000/client.htm) in a WebSocket-capable browser
diff --git a/instructions.md → _instructions.md b/instructions.md → _instructions.md
diff --git a/client.htm b/client.htm
@@ -0,0 +1,42 @@
+<html>
+  <head>
+    <title>WebTerm</title>
+    <script src="/term.js"></script>
+    <script>
+      window.addEventListener('load', function() {
+        var Socket = window.MozWebSocket || window.WebSocket;
+        socket = new Socket('ws://' + location.hostname + ':' + location.port);
+        socket.onopen = function() {
+          var term = new Terminal({
+            cols: 250,
+            rows: 100,
+            convertEol: true,
+            useStyle: true,
+            cursorBlink: true,
+            screenKeys: true
+          });
+
+          term.on('data', function(data) {
+            socket.send(data);
+          });
+
+          term.on('title', function(title) {
+            document.title = title;
+          });
+
+          term.open(document.body);
+
+          socket.onmessage = function(event) {
+            term.write(event.data);
+          };
+
+          socket.onclose = function() {
+            term.destroy();
+          };
+        };
+      }, false);
+    </script>
+  </head>
+  <body>
+  </body>
+</html>
diff --git a/instructions.md b/instructions.md
@@ -0,0 +1,8 @@
+Instructions:
+
+1. `npm install express faye-websocket ssh2 term.js`
+2. Create a `public` subdirectory
+3. Place `client.htm` in `public`
+4. Edit the ssh connection details in `server.js`
+5. Start the server with `node server.js`
+6. Visit http://localhost:8000/client.htm in a WebSocket-capable browser
diff --git a/server.js b/server.js
@@ -0,0 +1,52 @@
+var WebSocket = require('faye-websocket');
+var express = require('express');
+var app = express();
+var server = require('http').Server(app);
+var term = require('term.js');
+var ssh = require('ssh2');
+
+server.on('upgrade', function(request, socket, body) {
+  if (WebSocket.isWebSocket(request)) {
+    var ws = new WebSocket(request, socket, body);
+    var conn;
+    ws.on('open', function() {
+      conn = new ssh();
+      conn.on('ready', function() {
+        ws.write('\n*** SSH CONNECTION ESTABLISHED ***\n');
+        conn.shell(function(err, stream) {
+          if (err) {
+            ws.write('\n*** SSH SHELL ERROR: ' + err.message + ' ***\n');
+            conn.end();
+            return;
+          }
+
+          // Force binary strings to be sent over websocket to prevent
+          // getting a Blob on the browser side which term.js cannot
+          // currently handle
+          stream.setEncoding('binary');
+
+          stream.pipe(ws).pipe(stream).on('close', function() {
+            conn.end();
+          });
+        });
+      }).on('close', function() {
+        ws.write('\n*** SSH CONNECTION CLOSED ***\n');
+        ws.close();
+      }).connect({
+        host: '192.168.100.150',
+        port: 22,
+        username: 'foo',
+        password: 'bar'
+      });
+    }).on('close', function(event) {
+      try {
+        conn && conn.end();
+      } catch (ex) {}
+    });
+  }
+});
+
+server.listen(8000);
+
+app.use(express.static(__dirname + '/public'));
+app.use(term.middleware());