Add CORS support to caching server, add heartbeat endpoint

Wabbajack.CacheServer/Heartbeat.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Nancy;
+
+namespace Wabbajack.CacheServer
+{
+    public class Heartbeat : NancyModule
+    {
+        private static DateTime startTime = DateTime.Now;
+
+        public Heartbeat() : base("/")
+        {
+            Get("/heartbeat", HandleHeartbeat);
+        }
+
+        private object HandleHeartbeat(object arg)
+        {
+            return $"Service is live for: {DateTime.Now - startTime}";
+        }
+    }
+}

Wabbajack.CacheServer/Program.cs

@@ -15,7 +15,7 @@ namespace Wabbajack.CacheServer
             Utils.LogMessages.Subscribe(Console.WriteLine);
             using (var server = new Server("http://localhost:8080"))
             {
-                ListValidationService.Start();
+                //ListValidationService.Start();
                 server.Start();
                 Console.ReadLine();
             }

Wabbajack.CacheServer/Server.cs

@@ -5,7 +5,10 @@ using System.Net;
 using System.Net.Sockets;
 using System.Text;
 using System.Threading.Tasks;
+using Nancy;
+using Nancy.Bootstrapper;
 using Nancy.Hosting.Self;
+using Nancy.TinyIoc;
 
 namespace Wabbajack.CacheServer
 {
@@ -17,11 +20,12 @@ namespace Wabbajack.CacheServer
         public Server(string address)
         {
             Address = address;
-            _config = new HostConfiguration();
-            _config.MaximumConnectionCount = 24;
+            _config = new HostConfiguration {MaximumConnectionCount = 24, RewriteLocalhost = true};
+
             //_config.UrlReservations.CreateAutomatically = true;
-            _config.RewriteLocalhost = true;
             _server = new NancyHost(_config, new Uri(address));
+            
+            
         }
 
         public string Address { get; }
@@ -36,4 +40,17 @@ namespace Wabbajack.CacheServer
             _server?.Dispose();
         }
     }
+
+    public class CachingBootstrapper : DefaultNancyBootstrapper
+    {
+        protected override void ApplicationStartup(TinyIoCContainer container, IPipelines pipelines)
+        {
+            pipelines.AfterRequest.AddItemToEndOfPipeline(ctx =>
+            {
+                ctx.Response.WithHeader("Access-Control-Allow-Origin", "*")
+                    .WithHeader("Access-Control-Allow-Methods", "POST, GET")
+                    .WithHeader("Access-Control-Allow-Headers", "Accept, Origin, Content-type");
+            });
+        }
+    }
 }

Wabbajack.CacheServer/Wabbajack.CacheServer.csproj

@@ -79,6 +79,7 @@
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Server.cs" />
+    <Compile Include="Heartbeat.cs" />
     <Compile Include="TestingEndpoints.cs" />
   </ItemGroup>
   <ItemGroup>