diff -r 279124b91971 -r 01a844d292ac server/src/app/Http/Middleware/Authenticate.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/src/app/Http/Middleware/Authenticate.php	Mon Jun 15 19:30:32 2015 +0200
@@ -0,0 +1,50 @@
+<?php namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Contracts\Auth\Guard;
+
+class Authenticate {
+
+	/**
+	 * The Guard implementation.
+	 *
+	 * @var Guard
+	 */
+	protected $auth;
+
+	/**
+	 * Create a new filter instance.
+	 *
+	 * @param  Guard  $auth
+	 * @return void
+	 */
+	public function __construct(Guard $auth)
+	{
+		$this->auth = $auth;
+	}
+
+	/**
+	 * Handle an incoming request.
+	 *
+	 * @param  \Illuminate\Http\Request  $request
+	 * @param  \Closure  $next
+	 * @return mixed
+	 */
+	public function handle($request, Closure $next)
+	{
+		if ($this->auth->guest())
+		{
+			if ($request->ajax())
+			{
+				return response('Unauthorized.', 401);
+			}
+			else
+			{
+				return redirect()->guest('auth/login');
+			}
+		}
+
+		return $next($request);
+	}
+
+}