Add chat-parser

Author: thefenderstory

chat-parser.js

@@ -0,0 +1,52 @@
+"use strict";
+/**
+ * chat-parser
+ * https://github.com/nineage/pokepad
+ * @license MIT license
+ */
+let demFeels = require('dem-feels');
+demFeels.setImageSize(1);
+
+/**
+ * escapeHTML
+ * Prevents input from being parsed as HTML.
+ * @param {String} str
+ */
+const escapeHTML = function (str) {
+	if (!str) return '';
+	return ('' + str).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&apos;').replace(/\//g, '&#x2f;');
+};
+
+/**
+ * parseMessage
+ * Parses a message for emotes or hyperlinks.
+ * @param {String} str
+ */
+exports.parseMessage = function(msg) {
+	const message =
+		// escape HTML
+		escapeHTML(msg)
+
+		// remove zalgo
+		.replace(/[\u0300-\u036f\u0483-\u0489\u0610-\u0615\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06ED\u0E31\u0E34-\u0E3A\u0E47-\u0E4E]{3,}/g, '')
+		.replace(/[\u239b-\u23b9]/g, '')
+
+		// ``code``
+		.replace(/\`\`([^< ](?:[^<`]*?[^< ])??)\`\`/g, '<code>$1</code>')
+
+		// __italics__
+		.replace(/\_\_([^< ](?:[^<]*?[^< ])??)\_\_(?![^<]*?<\/a)/g, '<i>$1</i>')
+
+		// **bold**
+		.replace(/\*\*([^< ](?:[^<]*?[^< ])??)\*\*/g, '<b>$1</b>')
+
+		// linking of URIs
+		.replace(/(https?\:\/\/[a-z0-9-.]+(\/([^\s]*[^\s?.,])?)?|[a-z0-9]([a-z0-9-\.]*[a-z0-9])?\.(com|org|net|edu|tk|us|io|me)((\/([^\s]*[^\s?.,])?)?|\b))/ig, '<a href="$1" target="_blank">$1</a>')
+		.replace(/<a href="([a-z]*[^a-z:])/g, '<a href="http://$1').replace(/(\bgoogle ?\[([^\]<]+)\])/ig, '<a href="http://www.google.com/search?ie=UTF-8&q=$2" target="_blank">$1</a>')
+		.replace(/(\bgl ?\[([^\]<]+)\])/ig, '<a href="http://www.google.com/search?ie=UTF-8&btnI&q=$2" target="_blank">$1</a>')
+		.replace(/(\bwiki ?\[([^\]<]+)\])/ig, '<a href="http://en.wikipedia.org/w/index.php?title=Special:Search&search=$2" target="_blank">$1</a>')
+		.replace(/\[\[([^< ]([^<`]*?[^< ])?)\]\]/ig, '<a href="http://www.google.com/search?ie=UTF-8&btnI&q=$1" target="_blank">$1</a>');
+
+	// emotes
+	return demFeels(message);
+}

client/public/css/style.css

@@ -154,6 +154,11 @@ form {
     overflow: auto;
 }
 
+.dem-feels-emote {
+    height: 30px !important;
+    width: 30px !important;
+}
+
 /************************/
 /* Editor Style
 /************************/

client/views/404.html

@@ -15,7 +15,7 @@ <h1 class="display-3 ">404</h1>
             <img src="/images/psyduck.gif" alt="It's a Psyduck"></img>
             <p class="lead">We couldn't find the room you are looking for. Create a new room below to get started! Inactive rooms are periodically deleted.</p>
             <hr class="my-2"></hr>
-            <a href="./create" id="create-room" class="btn btn-primary btn-lg">Start Building!</a>
+            <a href="/create" id="create-room" class="btn btn-primary btn-lg">Start Building!</a>
         </div>
     </div>
 </body>

package.json

@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "compression": "^1.6.2",
+    "dem-feels": "^1.8.1",
     "ejs": "^2.5.2",
     "express": "4.10.2",
     "helmet": "^3.1.0",

server.js

@@ -24,6 +24,7 @@ app.use(express.static(__dirname + '/client/public'));
 
 const Rooms = require('./rooms.js');
 const movesets = require('./setdex-xy.js');
+const parser = require('./chat-parser.js');
 
 const serverData = require('./server-data.js');
 const randPoke = serverData.randPoke;
@@ -184,7 +185,7 @@ app.get('/view/:id', (req,res) => {
 /**
  * Socket events
  */
- 
+
 io.on('connection', (socket) => {
 	socket.pokemon = randPoke();
 	socket.name = 'Anonymous ' + socket.pokemon;
@@ -205,8 +206,8 @@ io.on('connection', (socket) => {
 	});
 	socket.on('chat message', (msg, room) => {
 		if (msg.trim().length < 1) return;
-    	io.sockets.in(socket.room).emit('chat message', socket.name, socket.img, escapeHTML(msg));
-    	Rooms.updateChat(socket.room, socket.name, socket.img, msg);
+    	io.sockets.in(socket.room).emit('chat message', socket.name, socket.img, parser.parseMessage(msg));
+    	Rooms.updateChat(socket.room, socket.name, socket.img, parser.parseMessage(msg));
 	});
 	socket.on('send team', (res) => {
 		socket.emit(res, Rooms.getTeam(socket.room));
@@ -378,7 +379,7 @@ io.on('connection', (socket) => {
 	socket.on('get view only', () => {
 		if (!socket.edit) return;
 		let room = socket.room;
-		io.sockets.in(room).emit('view only', Rooms.rooms[room].viewid || ''); 
+		io.sockets.in(room).emit('view only', Rooms.rooms[room].viewid || '');
 	});
 	socket.on('disconnect', () => {
 		let msg = socket.name + ' has left.';