webchat: refactored hello_web.js

1 files changed, 45 insertions, 36 deletions

diff --git a/webchat/hello_web.js b/webchat/hello_web.js
index 8e2a0bb8..076097f0 100644
--- a/webchat/hello_web.js
+++ b/webchat/hello_web.js
@@ -4,59 +4,68 @@ var sockjs = require('sockjs');
 var connect = require('connect');
 var irc = require('irc');
 var Clients = [];
-Clients.broadcast = function(object) {
+
+Clients.broadcast = function(object) { //broadcast to all clients
   Clients.forEach(function(client) {
     client.write(JSON.stringify(object));
   });
 }
-var pingTimeoutDelay = 5*60*1000
-var lastping = setTimeout(reconnect, pingTimeoutDelay)
 
-var irc_client = new irc.Client('irc.freenode.net', 'kweb', {
-  channels: ['#krebs'],
-  sasl: true,
+var irc_reconnect = function() { //reconnt to irc
+  console.log("reconnecting due to pingtimeout");
+  irc_client.disconnect();
+  irc_client.connect();
+}
+
+var pingTimeoutDelay = 5*60*1000 
+var lastping = setTimeout(irc_reconnect, pingTimeoutDelay)
+
+var irc_client = new irc.Client('irc.freenode.net', 'kweb', { //create irc_client to talk to irc
+  channels: ['#krebs'], //todo: read from local_config
+  sasl: true, 
   secure: true,
-  userName: 'kweb',
-  realName: 'kweb',
+  userName: 'kweb', //todo: read from local_config
+  realName: 'kweb', //todo: read from local_config
   password: fs.readFileSync(__dirname+'/local_config/irc.key').toString(),
-  debug: true,
+  debug: false,
   showErrors: true,
+  floodProtection: true,
   port: 6697,
   autoRejoin: true,
   autoConnect: true,
   stripColors: true
 });
 
-var reconnect = function() {
-  console.log("reconnecting due to pingtimeout");
-  irc_client.disconnect();
-  irc_client.connect();
-}
 
-irc_client.on('ping', function(server) {
+irc_client.on('ping', function(server) { //restart timer on server ping
   console.log("got ping from server, renewing timeout for automatic reconnect");
   clearTimeout(lastping);
-  lastping = setTimeout(reconnect, pingTimeoutDelay);
+  lastping = setTimeout(irc_reconnect, pingTimeoutDelay); //reconnect after irc timeout
 })
 
 irc_client.on('message#krebs', function(from, message) {
   console.log({ from: from, message: message });
-  Clients.broadcast({ from: from, message: message });
+  Clients.broadcast({ from: from, message: message }); //broadcast irc messages to all connected clients
   clearTimeout(lastping);
 });
 
+var web_serv_options = { //certificates for https
+  key: fs.readFileSync(__dirname+'/local_config/server_npw.key'),
+  cert: fs.readFileSync(__dirname+'/local_config/server.crt'),
+};
+
 var echo = sockjs.createServer();
 echo.on('connection', function(conn) {
   var origin = conn.remoteAddress;
   Clients.push(conn);
   Clients.broadcast({from: 'system', message: origin + ' has joined'})
-  irc_client.say("#krebs", origin + ' has joined');
-  conn.write(JSON.stringify({from: 'system', message: 'hello'}))
+//  irc_client.say("#krebs", origin + ' has joined');
+  conn.write(JSON.stringify({from: 'system', message: 'hello'})) //welcome message
   conn.on('data', function(data) {
     console.log('data:',data);
     try {
       var object = JSON.parse(data);
-      if (/^\/nick\s+(.+)$/.test(object.message)) {
+      if (/^\/nick\s+(.+)$/.test(object.message)) { //if nick is send use nick instead of ip
         object.from = origin;
       } else if (typeof object.nick === 'string') {
         object.from = object.nick;
@@ -71,35 +80,35 @@ echo.on('connection', function(conn) {
       console.log(error);
     }
   });
-conn.on('close', function() {
+conn.on('close', function() { //propagate if client quits the page
   Clients.splice(Clients.indexOf(conn));
   Clients.broadcast({from: 'system', message: origin + ' has quit'})
-  irc_client.say("#krebs", origin + ' has quit');
+//  irc_client.say("#krebs", origin + ' has quit');
 });
 });
 
-var options = {
-  key: fs.readFileSync(__dirname+'/local_config/server_npw.key'),
-  cert: fs.readFileSync(__dirname+'/local_config/server.crt'),
-};
 
 var app = connect()
   .use(connect.logger('dev'))
   .use(connect.static(__dirname+'/public'))
   .use( function (req, res) {
     res.writeHead(200, {'Content-Type': 'text/html'});
-    res.write('<!doctype html>');
-    res.write('<link rel="stylesheet" type="text/css" href="reset.css">');
-    res.write('<script src="sockjs-0.3.min.js"></script>');
-    res.write('<script src="jquery-2.0.3.min.js"></script>');
-    res.write('<script src="client.js"></script>');
-    res.write('<div id=bg><div id=chatter>');
-    res.write('hello, this is the official krebs support:<br>');
-    res.write('<table id="chatbox"><tr id="foot"><td id="time"></td><td id="nick" class="chat_from"></td><td><input type="text" id="input"></td></tr></table>');
-    res.end('</div></div>');
+    page_template='<!doctype html>\n';
+    page_template+='<link rel="stylesheet" type="text/css" href="reset.css">\n';
+    page_template+='<script src="sockjs-0.3.min.js"></script>\n';
+    page_template+='<script src="jquery-2.0.3.min.js"></script>\n';
+    page_template+='<script src="client.js"></script>\n';
+    page_template+='<div id="bg">';
+    page_template+='<div id="chatter">';
+    page_template+='<div id="space"></div>';
+    page_template+='hello, this is the official krebs support:<br>\n';
+    page_template+='<table id="chatbox"><tr id="foot"><td id="time"></td><td id="nick" class="chat_from"></td><td><input type="text" id="input"></td></tr></table>\n';
+    page_template+='<div id="sideboard"><table id="links"></table></div>';
+    page_template+='</div></div>';
+    res.end(page_template);
 
   })
-var server = http.createServer(options, app);
+var server = http.createServer(web_serv_options, app);
 echo.installHandlers(server, {prefix:'/echo'});
 server.listen(1337, '0.0.0.0');
 console.log('Server running at https://127.0.0.1:1337/');