server fixes 12/02/15

messages.txt

@@ -0,0 +1 @@
+[{"user":"sfkj","content":"kfgjdsasss","timestamp":1449093378770},{"user":"sfkj","content":"kfgjdsassss","timestamp":1449093379142},{"user":"sfkj","content":"kfgjdsasssss","timestamp":1449093379400},{"user":"sfkj","content":"kfgjdsassssss","timestamp":1449093379628},{"user":"sfkj","content":"kfgjdsasssssss","timestamp":1449093379842},{"user":"sfkj","content":"kfgjdsassssssss","timestamp":1449093380029},{"user":"sfkj","content":"kfgjdsasssssssss","timestamp":1449093380218},{"user":"sfkj","content":"kfgjdsassssssssss","timestamp":1449093380457},{"user":"sfkj","content":"kfgjdsassssssssssss","timestamp":1449093380685},{"user":"sfkj","content":"kfgjdsasssssssssssss","timestamp":1449093380851}]

package.json

@@ -9,6 +9,7 @@
     "body-parser": "^1.14.1",
     "ejs": "^2.3.4",
     "express": "^4.13.3",
-    "html-escape": "^1.0.2"
+    "html-escape": "^1.0.2",
+    "node": "0.0.0"
   }
 }

public/js/script.js

@@ -4,6 +4,9 @@ var messagesRoute = host + '/messages';
 
 function sendMessage (user, content, callback) {
   $.post(sendRoute, {user: user, content: content})
+  .fail(function(data) {
+    alert(data.responseText);
+  })
   .done(callback);
 }
 

server.js

@@ -2,6 +2,7 @@ var express = require('express');
 var bodyParser = require('body-parser');
 var escape = require('html-escape');
 var app = express();
+var fs = require('fs')
 
 var cfg = {
   port: process.env.PORT || 8080,
@@ -25,22 +26,49 @@ var server = app.listen(cfg.port, cfg.hostname, function () {
 
 
 /* Message storage */
-
 var messages = [];
 
+if (fs.existsSync('messages.txt')) {
+  messages = JSON.parse(fs.readFileSync('messages.txt', 'uft8'));  
+}
+
+
 
 /* API Routes */
 
 app.post('/send', function (req, res) {
   var user = req.body.user;
   var content = req.body.content;
   var timestamp = Date.now();
-
+
+    user = user.substring(0, 16);
+
+    content = content.substring(0, 49);
+
+    content = escape(content);
+    if (messages.length >= 1){
+      var lastMessage = messages[messages.length - 1];
+      if (content === lastMessage.content) {
+        res.status(400).send('stop spamming!!');
+        return;
+      }
+    }
+
+
   // TODO: Save message
+var object = {user: user, content: content, timestamp: timestamp};
+
+  messages.push(object);
 
+  if (messages.length > 10) {
+    messages.shift();
+  } 
+  fs.writeFileSync('messages.txt', JSON.stringify(messages), 'utf8');
   res.send('ok');
 });
 
+
+
 app.get('/messages', function (req, res) {
   //  The client expects data in this format:
   //    [