added file upload and fixed files reads on index page

routes/upload.js

@@ -0,0 +1,63 @@
+var express = require('express');
+var router = express.Router();
+var multer = require('multer')();
+var fs = require('fs');
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+	
+	var dir = './public/uploads';
+
+	renderPage(res, null);
+
+});
+
+router.post('/', multer.single('file'), function(req, res,next) {
+	
+	var key = req.body.key;
+	var file = req.file;
+	var folder = './public/uploads/';
+
+	if (key == "Chimera#55.com"){
+
+		fs.access((folder + file.originalname), fs.F_OK, function(err){
+
+			//if file doesn't already exist
+			if (err){
+				fs.writeFile((folder + file.originalname), file.buffer, function(err) {
+					if (!err){
+						
+						renderPage(res, 'File Uploaded');
+						
+					}
+
+					else {
+						renderPage(res, 'Error Saving File');
+					}
+				});
+			}
+
+			//file already exists
+			else {
+				renderPage(res, 'File Already Exists');
+			}
+		});
+
+	}
+
+	else {
+		renderPage(res, 'Invalid Key');
+	}
+});
+
+function renderPage(res, message){
+
+	var dir = './public/uploads';
+
+	fs.readdir(dir, function(err, files){
+		res.render('upload', {files : files, message : message});
+	});
+
+}
+
+module.exports = router;