wew, its 1.2alpha now

conf.json

 {
     "port":3001,
-    "db": "tdb.db",
-    "devLog":true
+    "db": "test/tdb.db",
+    "devLog":true,
+    "requestThroughProxy": false,
+    "ratelimit": {
+        "enabled":true,
+        "requests":5,
+        "interval":10000
+    }
 }

index.js

@@ -17,6 +17,7 @@ const bodyParser = require("body-parser");
 const config = require("./conf.json");
 const database = require("./db/db.js");
 const startup = require("./lib/ascii.js");
+const ratelimit = require("./lib/ratelimit.js");
 
 const app = express();
 
@@ -26,10 +27,16 @@ if(config.devLog) {
     app.use(logger("default"));
 }
 
+
 app.use(express.static(path.join(__dirname, "public")));
 app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({ extended: false }));
 
+app.use(function(req,res,next) {
+    console.log("req!!");
+    ratelimit.request(req,res,next);
+});
+
 app.use("/", require("./routes/index.js"));
 app.use("/shorten", require("./routes/shorten.js"));
 app.use("/jquery.min.js", require("./routes/handlerroute.js"));
@@ -51,6 +58,7 @@ app.use(function(err, req, res, next) {
 const port =  process.env.PORT || config.port || 8080;
 
 app.listen(port, function () {
+    ratelimit.start();
     startup(port, database);
 });
 

lib/ratelimit.js

+/**
+ * Ratelimites. Greetings go to ratelimited.me!
+ */
+
+ var ips = {};
+ const conf = require("../conf.json");
+ const util = require("./util.js");
+
+ const modules = {
+     request: function(req, res, next) {
+         if(!conf.ratelimit.enabled) {
+             next();
+         }
+
+         var ip;
+
+         if(!conf.requestThroughProxy) {
+            ip = req.connection.remoteAddress;
+         } else {
+             ip = request.headers['x-forwarded-for'];
+         }
+
+         if(!ips[ip]) {
+             ips[ip] = 1;
+         } else {
+             ips[ip] += 1;
+         }
+
+         if(ips[ip] > conf.ratelimit.requests) {
+             console.log("WARNING! " + ip + " is sending more requests than allowed. Requests send in interval \"" + conf.ratelimit.interval + "\": " + ips[ip]);
+             res.status(429);
+             return res.send({error:429, message:"You have been ratelimited."});
+         } else {
+             next();
+         }
+         
+     },
+     start: function() {
+         setInterval(function() {
+             ips = {};
+         }, conf.ratelimit.interval);
+     }
+ }
+
+ module.exports = modules;

lib/util.js

+module.exports = {
+    isEmpty: function(obj) {
+        return !Object.keys(obj).length;
+    }
+}
\ No newline at end of file