New: Use ASP.NET Core instead of Nancy

(cherry picked from commit 58ddbcd77e17ef95ecfad4b746084ee9326116f3)

frontend/src/Store/Actions/commandActions.js

@@ -139,7 +139,8 @@ export function executeCommandHelper( payload, dispatch) {
   const promise = createAjaxRequest({
     url: '/command',
     method: 'POST',
-    data: JSON.stringify(payload)
+    data: JSON.stringify(payload),
+    dataType: 'json'
   }).request;
 
   return promise.then((data) => {

frontend/src/Store/Actions/tagActions.js

@@ -53,7 +53,8 @@ export const actionHandlers = handleThunks({
     const promise = createAjaxRequest({
       url: '/tag',
       method: 'POST',
-      data: JSON.stringify(payload.tag)
+      data: JSON.stringify(payload.tag),
+      dataType: 'json'
     }).request;
 
     promise.done((data) => {

src/NzbDrone.Common/Serializer/System.Text.Json/STJson.cs

@@ -2,6 +2,7 @@ using System;
 using System.IO;
 using System.Text.Json;
 using System.Text.Json.Serialization;
+using System.Threading.Tasks;
 
 namespace NzbDrone.Common.Serializer
 {
@@ -15,15 +16,19 @@ namespace NzbDrone.Common.Serializer
 
         public static JsonSerializerOptions GetSerializerSettings()
         {
-            var serializerSettings = new JsonSerializerOptions
-            {
-                AllowTrailingCommas = true,
-                DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
-                PropertyNameCaseInsensitive = true,
-                DictionaryKeyPolicy = JsonNamingPolicy.CamelCase,
-                PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
-                WriteIndented = true
-            };
+            var settings = new JsonSerializerOptions();
+            ApplySerializerSettings(settings);
+            return settings;
+        }
+
+        public static void ApplySerializerSettings(JsonSerializerOptions serializerSettings)
+        {
+            serializerSettings.AllowTrailingCommas = true;
+            serializerSettings.DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull;
+            serializerSettings.PropertyNameCaseInsensitive = true;
+            serializerSettings.DictionaryKeyPolicy = JsonNamingPolicy.CamelCase;
+            serializerSettings.PropertyNamingPolicy = JsonNamingPolicy.CamelCase;
+            serializerSettings.WriteIndented = true;
 
             serializerSettings.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase, true));
             serializerSettings.Converters.Add(new STJVersionConverter());
@@ -31,8 +36,6 @@ namespace NzbDrone.Common.Serializer
             serializerSettings.Converters.Add(new STJTimeSpanConverter());
             serializerSettings.Converters.Add(new STJUtcConverter());
             serializerSettings.Converters.Add(new DictionaryStringObjectConverter());
-
-            return serializerSettings;
         }
 
         public static T Deserialize<T>(string json)
@@ -85,5 +88,15 @@ namespace NzbDrone.Common.Serializer
                 JsonSerializer.Serialize(writer, (object)model, options);
             }
         }
+
+        public static Task SerializeAsync<TModel>(TModel model, Stream outputStream, JsonSerializerOptions options = null)
+        {
+            if (options == null)
+            {
+                options = SerializerSettings;
+            }
+
+            return JsonSerializer.SerializeAsync(outputStream, (object)model, options);
+        }
     }
 }

src/NzbDrone.Core/IndexerSearch/NewznabRequest.cs

@@ -2,7 +2,6 @@ namespace NzbDrone.Core.IndexerSearch
 {
     public class NewznabRequest
     {
-        public int id { get; set; }
         public string t { get; set; }
         public string q { get; set; }
         public string cat { get; set; }

src/NzbDrone.Host/AccessControl/FirewallAdapter.cs

@@ -5,7 +5,7 @@ using NLog;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Core.Configuration;
 
-namespace Prowlarr.Host.AccessControl
+namespace NzbDrone.Host.AccessControl
 {
     public interface IFirewallAdapter
     {

src/NzbDrone.Host/MainAppContainerBuilder.cs

@@ -1,9 +1,7 @@
 using System.Collections.Generic;
-using Nancy.Bootstrapper;
 using NzbDrone.Common.Composition;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.SignalR;
-using Prowlarr.Http;
 
 namespace Prowlarr.Host
 {
@@ -28,8 +26,6 @@ namespace Prowlarr.Host
         {
             AutoRegisterImplementations<MessageHub>();
 
-            Container.Register<INancyBootstrapper, ProwlarrBootstrapper>();
-
             if (OsInfo.IsWindows)
             {
                 Container.Register<INzbDroneServiceFactory, NzbDroneServiceFactory>();

src/NzbDrone.Host/Prowlarr.Host.csproj

@@ -4,7 +4,6 @@
     <OutputType>Library</OutputType>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Owin" Version="5.0.4" />
     <PackageReference Include="NLog.Extensions.Logging" Version="1.7.0" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="5.0.0" />
   </ItemGroup>

src/NzbDrone.Host/WebHost/AccessControl/RemoteAccessAdapter.cs

@@ -1,4 +1,5 @@
 using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Host.AccessControl;
 
 namespace Prowlarr.Host.AccessControl
 {

src/NzbDrone.Host/WebHost/ControllerActivator.cs

@@ -0,0 +1,26 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Controllers;
+using NzbDrone.Common.Composition;
+
+namespace NzbDrone.Host
+{
+    public class ControllerActivator : IControllerActivator
+    {
+        private readonly IContainer _container;
+
+        public ControllerActivator(IContainer container)
+        {
+            _container = container;
+        }
+
+        public object Create(ControllerContext context)
+        {
+            return _container.Resolve(context.ActionDescriptor.ControllerTypeInfo.AsType());
+        }
+
+        public void Release(ControllerContext context, object controller)
+        {
+            // Nothing to do
+        }
+    }
+}

src/NzbDrone.Host/WebHost/Middleware/IAspNetCoreMiddleware.cs

@@ -1,10 +0,0 @@
-using Microsoft.AspNetCore.Builder;
-
-namespace Prowlarr.Host.Middleware
-{
-    public interface IAspNetCoreMiddleware
-    {
-        int Order { get; }
-        void Attach(IApplicationBuilder appBuilder);
-    }
-}

src/NzbDrone.Host/WebHost/Middleware/NancyMiddleware.cs

@@ -1,29 +0,0 @@
-using Microsoft.AspNetCore.Builder;
-using Nancy.Bootstrapper;
-using Nancy.Owin;
-
-namespace Prowlarr.Host.Middleware
-{
-    public class NancyMiddleware : IAspNetCoreMiddleware
-    {
-        private readonly INancyBootstrapper _nancyBootstrapper;
-
-        public int Order => 2;
-
-        public NancyMiddleware(INancyBootstrapper nancyBootstrapper)
-        {
-            _nancyBootstrapper = nancyBootstrapper;
-        }
-
-        public void Attach(IApplicationBuilder appBuilder)
-        {
-            var options = new NancyOptions
-            {
-                Bootstrapper = _nancyBootstrapper,
-                PerformPassThrough = context => context.Request.Path.StartsWith("/signalr")
-            };
-
-            appBuilder.UseOwin(x => x.UseNancy(options));
-        }
-    }
-}

src/NzbDrone.Host/WebHost/Middleware/SignalRMiddleware.cs

@@ -1,72 +0,0 @@
-using System;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.SignalR;
-using Microsoft.Extensions.DependencyInjection;
-using NLog;
-using NzbDrone.Common.Composition;
-using NzbDrone.Core.Configuration;
-using NzbDrone.SignalR;
-
-namespace Prowlarr.Host.Middleware
-{
-    public class SignalRMiddleware : IAspNetCoreMiddleware
-    {
-        private readonly IContainer _container;
-        private readonly Logger _logger;
-        private static string API_KEY;
-        private static string URL_BASE;
-        public int Order => 1;
-
-        public SignalRMiddleware(IContainer container,
-                                 IConfigFileProvider configFileProvider,
-                                 Logger logger)
-        {
-            _container = container;
-            _logger = logger;
-            API_KEY = configFileProvider.ApiKey;
-            URL_BASE = configFileProvider.UrlBase;
-        }
-
-        public void Attach(IApplicationBuilder appBuilder)
-        {
-            appBuilder.UseWebSockets();
-
-            appBuilder.Use(async (context, next) =>
-            {
-                if (context.Request.Path.StartsWithSegments("/signalr") &&
-                    !context.Request.Path.Value.EndsWith("/negotiate"))
-                {
-                    if (!context.Request.Query.ContainsKey("access_token") ||
-                        context.Request.Query["access_token"] != API_KEY)
-                    {
-                        context.Response.StatusCode = 401;
-                        await context.Response.WriteAsync("Unauthorized");
-                        return;
-                    }
-                }
-
-                try
-                {
-                    await next();
-                }
-                catch (OperationCanceledException e)
-                {
-                    // Demote the exception to trace logging so users don't worry (as much).
-                    _logger.Trace(e);
-                }
-            });
-
-            appBuilder.UseEndpoints(x =>
-            {
-                x.MapHub<MessageHub>(URL_BASE + "/signalr/messages");
-            });
-
-            // This is a side effect of haing multiple IoC containers, TinyIoC and whatever
-            // Kestrel/SignalR is using. Ideally we'd have one IoC container, but that's non-trivial with TinyIoC
-            // TODO: Use a single IoC container if supported for TinyIoC or if we switch to another system (ie Autofac).
-            var hubContext = appBuilder.ApplicationServices.GetService<IHubContext<MessageHub>>();
-            _container.Register(hubContext);
-        }
-    }
-}

src/NzbDrone.Host/WebHost/WebHostController.cs

@@ -4,42 +4,60 @@ using System.IO;
 using System.Linq;
 using System.Security.Cryptography;
 using System.Security.Cryptography.X509Certificates;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc.Controllers;
+using Microsoft.AspNetCore.Mvc.Infrastructure;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.AspNetCore.Routing.Internal;
+using Microsoft.AspNetCore.SignalR;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog;
 using NLog.Extensions.Logging;
+using NzbDrone.Common.Composition;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Exceptions;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Serializer;
 using NzbDrone.Core.Configuration;
-using Prowlarr.Host.AccessControl;
-using Prowlarr.Host.Middleware;
+using NzbDrone.Host;
+using NzbDrone.Host.AccessControl;
+using NzbDrone.SignalR;
+using Prowlarr.Api.V1.System;
+using Prowlarr.Http;
+using Prowlarr.Http.Authentication;
+using Prowlarr.Http.ErrorManagement;
+using Prowlarr.Http.Frontend;
+using Prowlarr.Http.Middleware;
 using LogLevel = Microsoft.Extensions.Logging.LogLevel;
 
 namespace Prowlarr.Host
 {
     public class WebHostController : IHostController
     {
+        private readonly IContainer _container;
         private readonly IRuntimeInfo _runtimeInfo;
         private readonly IConfigFileProvider _configFileProvider;
         private readonly IFirewallAdapter _firewallAdapter;
-        private readonly IEnumerable<IAspNetCoreMiddleware> _middlewares;
+        private readonly ProwlarrErrorPipeline _errorHandler;
         private readonly Logger _logger;
         private IWebHost _host;
 
-        public WebHostController(IRuntimeInfo runtimeInfo,
+        public WebHostController(IContainer container,
+                                 IRuntimeInfo runtimeInfo,
                                  IConfigFileProvider configFileProvider,
                                  IFirewallAdapter firewallAdapter,
-                                 IEnumerable<IAspNetCoreMiddleware> middlewares,
+                                 ProwlarrErrorPipeline errorHandler,
                                  Logger logger)
         {
+            _container = container;
             _runtimeInfo = runtimeInfo;
             _configFileProvider = configFileProvider;
             _firewallAdapter = firewallAdapter;
-            _middlewares = middlewares;
+            _errorHandler = errorHandler;
             _logger = logger;
         }
 
@@ -105,24 +123,125 @@ namespace Prowlarr.Host
                 })
                 .ConfigureServices(services =>
                 {
+                    // So that we can resolve containers with our TinyIoC services
+                    services.AddSingleton(_container);
+                    services.AddSingleton<IControllerActivator, ControllerActivator>();
+
+                    // Bits used in our custom middleware
+                    services.AddSingleton(_container.Resolve<ProwlarrErrorPipeline>());
+                    services.AddSingleton(_container.Resolve<ICacheableSpecification>());
+
+                    // Used in authentication
+                    services.AddSingleton(_container.Resolve<IAuthenticationService>());
+
+                    services.AddRouting(options => options.LowercaseUrls = true);
+
+                    services.AddResponseCompression();
+
+                    services.AddCors(options =>
+                    {
+                        options.AddPolicy(VersionedApiControllerAttribute.API_CORS_POLICY,
+                            builder =>
+                            builder.AllowAnyOrigin()
+                            .AllowAnyMethod()
+                            .AllowAnyHeader());
+
+                        options.AddPolicy("AllowGet",
+                            builder =>
+                            builder.AllowAnyOrigin()
+                            .WithMethods("GET", "OPTIONS")
+                            .AllowAnyHeader());
+                    });
+
+                    services
+                    .AddControllers(options =>
+                    {
+                        options.ReturnHttpNotAcceptable = true;
+                    })
+                    .AddApplicationPart(typeof(SystemController).Assembly)
+                    .AddApplicationPart(typeof(StaticResourceController).Assembly)
+                    .AddJsonOptions(options =>
+                    {
+                        STJson.ApplySerializerSettings(options.JsonSerializerOptions);
+                    });
+
                     services
                     .AddSignalR()
                     .AddJsonProtocol(options =>
                     {
                         options.PayloadSerializerOptions = STJson.GetSerializerSettings();
                     });
+
+                    services.AddAuthorization(options =>
+                    {
+                        options.AddPolicy("UI", policy =>
+                        {
+                            policy.AuthenticationSchemes.Add(_configFileProvider.AuthenticationMethod.ToString());
+                            policy.RequireAuthenticatedUser();
+                        });
+
+                        options.AddPolicy("SignalR", policy =>
+                        {
+                            policy.AuthenticationSchemes.Add("SignalR");
+                            policy.RequireAuthenticatedUser();
+                        });
+
+                        // Require auth on everything except those marked [AllowAnonymous]
+                        options.FallbackPolicy = new AuthorizationPolicyBuilder("API")
+                        .RequireAuthenticatedUser()
+                        .Build();
+                    });
+
+                    services.AddAppAuthentication(_configFileProvider);
                 })
                 .Configure(app =>
                 {
+                    app.UseMiddleware<LoggingMiddleware>();
+                    app.UsePathBase(new PathString(_configFileProvider.UrlBase));
+                    app.UseExceptionHandler(new ExceptionHandlerOptions
+                    {
+                        AllowStatusCode404Response = true,
+                        ExceptionHandler = _errorHandler.HandleException
+                    });
+
                     app.UseRouting();
+                    app.UseCors();
+                    app.UseAuthentication();
+                    app.UseAuthorization();
+                    app.UseResponseCompression();
                     app.Properties["host.AppName"] = BuildInfo.AppName;
-                    app.UsePathBase(_configFileProvider.UrlBase);
 
-                    foreach (var middleWare in _middlewares.OrderBy(c => c.Order))
+                    app.UseMiddleware<VersionMiddleware>();
+                    app.UseMiddleware<UrlBaseMiddleware>(_configFileProvider.UrlBase);
+                    app.UseMiddleware<CacheHeaderMiddleware>();
+                    app.UseMiddleware<IfModifiedMiddleware>();
+
+                    app.Use((context, next) =>
                     {
-                        _logger.Debug("Attaching {0} to host", middleWare.GetType().Name);
-                        middleWare.Attach(app);
-                    }
+                        if (context.Request.Path.StartsWithSegments("/api/v1/command", StringComparison.CurrentCultureIgnoreCase))
+                        {
+                            context.Request.EnableBuffering();
+                        }
+
+                        return next();
+                    });
+
+                    app.UseWebSockets();
+
+                    app.UseEndpoints(x =>
+                    {
+                        x.MapHub<MessageHub>("/signalr/messages").RequireAuthorization("SignalR");
+                        x.MapControllers();
+                    });
+
+                    // This is a side effect of haing multiple IoC containers, TinyIoC and whatever
+                    // Kestrel/SignalR is using. Ideally we'd have one IoC container, but that's non-trivial with TinyIoC
+                    // TODO: Use a single IoC container if supported for TinyIoC or if we switch to another system (ie Autofac).
+                    _container.Register(app.ApplicationServices);
+                    _container.Register(app.ApplicationServices.GetService<IHubContext<MessageHub>>());
+                    _container.Register(app.ApplicationServices.GetService<IActionDescriptorCollectionProvider>());
+                    _container.Register(app.ApplicationServices.GetService<EndpointDataSource>());
+                    _container.Register(app.ApplicationServices.GetService<DfaGraphWriter>());
                 })
                 .UseContentRoot(Directory.GetCurrentDirectory())
                 .Build();

src/NzbDrone.Integration.Test/Client/ClientBase.cs

@@ -51,11 +51,7 @@ namespace NzbDrone.Integration.Test.Client
                 throw response.ErrorException;
             }
 
-            // cache control header gets reordered on net core
-            ((string)response.Headers.Single(c => c.Name == "Cache-Control").Value).Split(',').Select(x => x.Trim())
-                .Should().BeEquivalentTo("no-store, must-revalidate, no-cache, max-age=0".Split(',').Select(x => x.Trim()));
-            response.Headers.Single(c => c.Name == "Pragma").Value.Should().Be("no-cache");
-            response.Headers.Single(c => c.Name == "Expires").Value.Should().Be("0");
+            AssertDisableCache(response);
 
             response.ErrorMessage.Should().BeNullOrWhiteSpace();
 
@@ -71,6 +67,16 @@ namespace NzbDrone.Integration.Test.Client
 
             return Json.Deserialize<T>(content);
         }
+
+        private static void AssertDisableCache(IRestResponse response)
+        {
+            // cache control header gets reordered on net core
+            var headers = response.Headers;
+            ((string)headers.Single(c => c.Name == "Cache-Control").Value).Split(',').Select(x => x.Trim())
+                .Should().BeEquivalentTo("no-store, no-cache".Split(',').Select(x => x.Trim()));
+            headers.Single(c => c.Name == "Pragma").Value.Should().Be("no-cache");
+            headers.Single(c => c.Name == "Expires").Value.Should().Be("-1");
+        }
     }
 
     public class ClientBase<TResource> : ClientBase

src/NzbDrone.Integration.Test/CorsFixture.cs

@@ -11,6 +11,7 @@ namespace NzbDrone.Integration.Test
         private RestRequest BuildGet(string route = "indexer")
         {
             var request = new RestRequest(route, Method.GET);
+            request.AddHeader("Origin", "http://a.different.domain");
             request.AddHeader(AccessControlHeaders.RequestMethod, "POST");
 
             return request;
@@ -19,6 +20,8 @@ namespace NzbDrone.Integration.Test
         private RestRequest BuildOptions(string route = "indexer")
         {
             var request = new RestRequest(route, Method.OPTIONS);
+            request.AddHeader("Origin", "http://a.different.domain");
+            request.AddHeader(AccessControlHeaders.RequestMethod, "POST");
 
             return request;
         }

src/NzbDrone.Integration.Test/GenericApiFixture.cs

@@ -1,4 +1,4 @@
-using System.Net;
+using System.Net;
 using FluentAssertions;
 using NUnit.Framework;
 using RestSharp;
@@ -33,8 +33,6 @@ namespace NzbDrone.Integration.Test
         [TestCase("application/junk")]
         public void should_get_unacceptable_with_accept_header(string header)
         {
-            IgnoreOnMonoVersions("5.12", "5.14");
-
             var request = new RestRequest("system/status")
             {
                 RequestFormat = DataFormat.None

src/NzbDrone.Integration.Test/HttpLogFixture.cs

@@ -11,8 +11,6 @@ namespace NzbDrone.Integration.Test
         [Test]
         public void should_log_on_error()
         {
-            IgnoreOnMonoVersions("5.12", "5.14");
-
             var config = HostConfig.Get(1);
             config.LogLevel = "Trace";
             HostConfig.Put(config);

src/NzbDrone.Integration.Test/IntegrationTestBase.cs

@@ -131,22 +131,6 @@ namespace NzbDrone.Integration.Test
             }
         }
 
-        protected void IgnoreOnMonoVersions(params string[] version_strings)
-        {
-            if (!PlatformInfo.IsMono)
-            {
-                return;
-            }
-
-            var current = PlatformInfo.GetVersion();
-            var versions = version_strings.Select(x => new Version(x)).ToList();
-
-            if (versions.Any(x => x.Major == current.Major && x.Minor == current.Minor))
-            {
-                throw new IgnoreException($"Ignored on mono {PlatformInfo.GetVersion()}");
-            }
-        }
-
         public string GetTempDirectory(params string[] args)
         {
             var path = Path.Combine(TempDirectory, Path.Combine(args));

src/NzbDrone.Mono.Test/DiskProviderTests/SymlinkResolverFixture.cs

@@ -1,11 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.IO;
 using FluentAssertions;
-using Mono.Posix;
 using Mono.Unix;
 using NUnit.Framework;
 using NzbDrone.Mono.Disk;

src/Prowlarr.Api.V1/Applications/ApplicationController.cs

@@ -1,12 +1,14 @@
 using NzbDrone.Core.Applications;
+using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Application
 {
-    public class ApplicationModule : ProviderModuleBase<ApplicationResource, IApplication, ApplicationDefinition>
+    [V1ApiController("applications")]
+    public class ApplicationController : ProviderControllerBase<ApplicationResource, IApplication, ApplicationDefinition>
     {
         public static readonly ApplicationResourceMapper ResourceMapper = new ApplicationResourceMapper();
 
-        public ApplicationModule(ApplicationFactory applicationsFactory)
+        public ApplicationController(ApplicationFactory applicationsFactory)
             : base(applicationsFactory, "applications", ResourceMapper)
         {
         }

src/Prowlarr.Api.V1/Commands/CommandController.cs

@@ -1,27 +1,32 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Common.TPL;
 using NzbDrone.Core.Datastore.Events;
 using NzbDrone.Core.Messaging.Commands;
 using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.ProgressMessaging;
+using NzbDrone.Http.REST.Attributes;
 using NzbDrone.SignalR;
 using Prowlarr.Http;
-using Prowlarr.Http.Extensions;
+using Prowlarr.Http.REST;
 using Prowlarr.Http.Validation;
 
 namespace Prowlarr.Api.V1.Commands
 {
-    public class CommandModule : ProwlarrRestModuleWithSignalR<CommandResource, CommandModel>, IHandle<CommandUpdatedEvent>
+    [V1ApiController]
+    public class CommandController : RestControllerWithSignalR<CommandResource, CommandModel>, IHandle<CommandUpdatedEvent>
     {
         private readonly IManageCommandQueue _commandQueueManager;
         private readonly IServiceFactory _serviceFactory;
         private readonly Debouncer _debouncer;
         private readonly Dictionary<int, CommandResource> _pendingUpdates;
 
-        public CommandModule(IManageCommandQueue commandQueueManager,
+        public CommandController(IManageCommandQueue commandQueueManager,
                              IBroadcastSignalRMessage signalRBroadcaster,
                              IServiceFactory serviceFactory)
             : base(signalRBroadcaster)
@@ -32,45 +37,49 @@ namespace Prowlarr.Api.V1.Commands
             _debouncer = new Debouncer(SendUpdates, TimeSpan.FromSeconds(0.1));
             _pendingUpdates = new Dictionary<int, CommandResource>();
 
-            GetResourceById = GetCommand;
-            CreateResource = StartCommand;
-            GetResourceAll = GetStartedCommands;
-            DeleteResource = CancelCommand;
-
             PostValidator.RuleFor(c => c.Name).NotBlank();
         }
 
-        private CommandResource GetCommand(int id)
+        public override CommandResource GetResourceById(int id)
         {
             return _commandQueueManager.Get(id).ToResource();
         }
 
-        private int StartCommand(CommandResource commandResource)
+        [RestPostById]
+        public ActionResult<CommandResource> StartCommand(CommandResource commandResource)
         {
             var commandType =
                 _serviceFactory.GetImplementations(typeof(Command))
                                .Single(c => c.Name.Replace("Command", "")
                                              .Equals(commandResource.Name, StringComparison.InvariantCultureIgnoreCase));
 
-            dynamic command = Request.Body.FromJson(commandType);
+            Request.Body.Seek(0, SeekOrigin.Begin);
+            using var reader = new StreamReader(Request.Body);
+            var body = reader.ReadToEnd();
+
+            dynamic command = STJson.Deserialize(body, commandType);
+
             command.Trigger = CommandTrigger.Manual;
             command.SuppressMessages = !command.SendUpdatesToClient;
             command.SendUpdatesToClient = true;
 
             var trackedCommand = _commandQueueManager.Push(command, CommandPriority.Normal, CommandTrigger.Manual);
-            return trackedCommand.Id;
+            return Created(trackedCommand.Id);
         }
 
-        private List<CommandResource> GetStartedCommands()
+        [HttpGet]
+        public List<CommandResource> GetStartedCommands()
         {
             return _commandQueueManager.All().ToResource();
         }
 
-        private void CancelCommand(int id)
+        [RestDeleteById]
+        public void CancelCommand(int id)
         {
             _commandQueueManager.Cancel(id);
         }
 
+        [NonAction]
         public void Handle(CommandUpdatedEvent message)
         {
             if (message.Command.Body.SendUpdatesToClient)

src/Prowlarr.Api.V1/Config/ConfigController.cs

@@ -0,0 +1,48 @@
+using System.Linq;
+using System.Reflection;
+using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Core.Configuration;
+using NzbDrone.Http.REST.Attributes;
+using Prowlarr.Http.REST;
+
+namespace Prowlarr.Api.V1.Config
+{
+    public abstract class ConfigController<TResource> : RestController<TResource>
+        where TResource : RestResource, new()
+    {
+        protected readonly IConfigService _configService;
+
+        protected ConfigController(IConfigService configService)
+        {
+            _configService = configService;
+        }
+
+        public override TResource GetResourceById(int id)
+        {
+            return GetConfig();
+        }
+
+        [HttpGet]
+        public TResource GetConfig()
+        {
+            var resource = ToResource(_configService);
+            resource.Id = 1;
+
+            return resource;
+        }
+
+        [RestPutById]
+        public virtual ActionResult<TResource> SaveConfig(TResource resource)
+        {
+            var dictionary = resource.GetType()
+                .GetProperties(BindingFlags.Instance | BindingFlags.Public)
+                .ToDictionary(prop => prop.Name, prop => prop.GetValue(resource, null));
+
+            _configService.SaveConfigDictionary(dictionary);
+
+            return Accepted(resource.Id);
+        }
+
+        protected abstract TResource ToResource(IConfigService model);
+    }
+}

src/Prowlarr.Api.V1/Config/DevelopmentConfigController.cs

@@ -0,0 +1,39 @@
+using System.Linq;
+using System.Reflection;
+using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Core.Configuration;
+using Prowlarr.Api.V1.Tags;
+using Prowlarr.Http;
+
+namespace Prowlarr.Api.V1.Config
+{
+    [V1ApiController("config/development")]
+    public class DevelopmentConfigController : ConfigController<DevelopmentConfigResource>
+    {
+        private readonly IConfigFileProvider _configFileProvider;
+
+        public DevelopmentConfigController(IConfigFileProvider configFileProvider,
+                                IConfigService configService)
+        : base(configService)
+        {
+            _configFileProvider = configFileProvider;
+        }
+
+        public override ActionResult<DevelopmentConfigResource> SaveConfig(DevelopmentConfigResource resource)
+        {
+            var dictionary = resource.GetType()
+                .GetProperties(BindingFlags.Instance | BindingFlags.Public)
+                .ToDictionary(prop => prop.Name, prop => prop.GetValue(resource, null));
+
+            _configFileProvider.SaveConfigDictionary(dictionary);
+            _configService.SaveConfigDictionary(dictionary);
+
+            return Accepted(resource.Id);
+        }
+
+        protected override DevelopmentConfigResource ToResource(IConfigService model)
+        {
+            return DevelopmentConfigResourceMapper.ToResource(_configFileProvider, model);
+        }
+    }
+}

src/Prowlarr.Api.V1/Config/DevelopmentConfigModule.cs

@@ -1,50 +0,0 @@
-using System.Linq;
-using System.Reflection;
-using NzbDrone.Core.Authentication;
-using NzbDrone.Core.Configuration;
-using NzbDrone.Core.Validation.Paths;
-using Prowlarr.Http;
-
-namespace Prowlarr.Api.V1.Config
-{
-    public class DevelopmentConfigModule : ProwlarrRestModule<DevelopmentConfigResource>
-    {
-        private readonly IConfigFileProvider _configFileProvider;
-        private readonly IConfigService _configService;
-
-        public DevelopmentConfigModule(IConfigFileProvider configFileProvider,
-                                IConfigService configService)
-            : base("/config/development")
-        {
-            _configFileProvider = configFileProvider;
-            _configService = configService;
-
-            GetResourceSingle = GetDevelopmentConfig;
-            GetResourceById = GetDevelopmentConfig;
-            UpdateResource = SaveDevelopmentConfig;
-        }
-
-        private DevelopmentConfigResource GetDevelopmentConfig()
-        {
-            var resource = DevelopmentConfigResourceMapper.ToResource(_configFileProvider, _configService);
-            resource.Id = 1;
-
-            return resource;
-        }
-
-        private DevelopmentConfigResource GetDevelopmentConfig(int id)
-        {
-            return GetDevelopmentConfig();
-        }
-
-        private void SaveDevelopmentConfig(DevelopmentConfigResource resource)
-        {
-            var dictionary = resource.GetType()
-                                     .GetProperties(BindingFlags.Instance | BindingFlags.Public)
-                                     .ToDictionary(prop => prop.Name, prop => prop.GetValue(resource, null));
-
-            _configFileProvider.SaveConfigDictionary(dictionary);
-            _configService.SaveConfigDictionary(dictionary);
-        }
-    }
-}

src/Prowlarr.Api.V1/Config/DownloadClientConfigController.cs

@@ -1,10 +1,12 @@
 using NzbDrone.Core.Configuration;
+using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Config
 {
-    public class DownloadClientConfigModule : ProwlarrConfigModule<DownloadClientConfigResource>
+    [V1ApiController("config/downloadclient")]
+    public class DownloadClientConfigController : ConfigController<DownloadClientConfigResource>
     {
-        public DownloadClientConfigModule(IConfigService configService)
+        public DownloadClientConfigController(IConfigService configService)
             : base(configService)
         {
         }

src/Prowlarr.Api.V1/Config/HostConfigController.cs

@@ -3,36 +3,35 @@ using System.Linq;
 using System.Reflection;
 using System.Security.Cryptography.X509Certificates;
 using FluentValidation;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Authentication;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Update;
 using NzbDrone.Core.Validation;
 using NzbDrone.Core.Validation.Paths;
+using NzbDrone.Http.REST.Attributes;
 using Prowlarr.Http;
+using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1.Config
 {
-    public class HostConfigModule : ProwlarrRestModule<HostConfigResource>
+    [V1ApiController("config/host")]
+    public class HostConfigController : RestController<HostConfigResource>
     {
         private readonly IConfigFileProvider _configFileProvider;
         private readonly IConfigService _configService;
         private readonly IUserService _userService;
 
-        public HostConfigModule(IConfigFileProvider configFileProvider,
-                                IConfigService configService,
-                                IUserService userService,
-                                FileExistsValidator fileExistsValidator)
-            : base("/config/host")
+        public HostConfigController(IConfigFileProvider configFileProvider,
+                                    IConfigService configService,
+                                    IUserService userService,
+                                    FileExistsValidator fileExistsValidator)
         {
             _configFileProvider = configFileProvider;
             _configService = configService;
             _userService = userService;
 
-            GetResourceSingle = GetHostConfig;
-            GetResourceById = GetHostConfig;
-            UpdateResource = SaveHostConfig;
-
             SharedValidator.RuleFor(c => c.BindAddress)
                            .ValidIp4Address()
                            .NotListenAllIp4Address()
@@ -79,7 +78,13 @@ namespace Prowlarr.Api.V1.Config
             return cert != null;
         }
 
-        private HostConfigResource GetHostConfig()
+        public override HostConfigResource GetResourceById(int id)
+        {
+            return GetHostConfig();
+        }
+
+        [HttpGet]
+        public HostConfigResource GetHostConfig()
         {
             var resource = HostConfigResourceMapper.ToResource(_configFileProvider, _configService);
             resource.Id = 1;
@@ -94,12 +99,8 @@ namespace Prowlarr.Api.V1.Config
             return resource;
         }
 
-        private HostConfigResource GetHostConfig(int id)
-        {
-            return GetHostConfig();
-        }
-
-        private void SaveHostConfig(HostConfigResource resource)
+        [RestPutById]
+        public ActionResult<HostConfigResource> SaveHostConfig(HostConfigResource resource)
         {
             var dictionary = resource.GetType()
                                      .GetProperties(BindingFlags.Instance | BindingFlags.Public)
@@ -112,6 +113,8 @@ namespace Prowlarr.Api.V1.Config
             {
                 _userService.Upsert(resource.Username, resource.Password);
             }
+
+            return Accepted(resource.Id);
         }
     }
 }

src/Prowlarr.Api.V1/Config/IndexerConfigController.cs

@@ -1,12 +1,14 @@
 using FluentValidation;
 using NzbDrone.Core.Configuration;
+using Prowlarr.Http;
 using Prowlarr.Http.Validation;
 
 namespace Prowlarr.Api.V1.Config
 {
-    public class IndexerConfigModule : ProwlarrConfigModule<IndexerConfigResource>
+    [V1ApiController("config/indexer")]
+    public class IndexerConfigController : ConfigController<IndexerConfigResource>
     {
-        public IndexerConfigModule(IConfigService configService)
+        public IndexerConfigController(IConfigService configService)
             : base(configService)
         {
             SharedValidator.RuleFor(c => c.MinimumAge)

src/Prowlarr.Api.V1/Config/MediaManagementConfigController.cs

@@ -3,12 +3,14 @@ using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Validation;
 using NzbDrone.Core.Validation.Paths;
+using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Config
 {
-    public class MediaManagementConfigModule : ProwlarrConfigModule<MediaManagementConfigResource>
+    [V1ApiController("config/mediamanagement")]
+    public class MediaManagementConfigController : ConfigController<MediaManagementConfigResource>
     {
-        public MediaManagementConfigModule(IConfigService configService, PathExistsValidator pathExistsValidator, FileChmodValidator fileChmodValidator)
+        public MediaManagementConfigController(IConfigService configService, PathExistsValidator pathExistsValidator, FileChmodValidator fileChmodValidator)
             : base(configService)
         {
             SharedValidator.RuleFor(c => c.RecycleBinCleanupDays).GreaterThanOrEqualTo(0);

src/Prowlarr.Api.V1/Config/ProwlarrConfigModule.cs

@@ -1,53 +0,0 @@
-using System.Linq;
-using System.Reflection;
-using NzbDrone.Core.Configuration;
-using Prowlarr.Http;
-using Prowlarr.Http.REST;
-
-namespace Prowlarr.Api.V1.Config
-{
-    public abstract class ProwlarrConfigModule<TResource> : ProwlarrRestModule<TResource>
-        where TResource : RestResource, new()
-    {
-        private readonly IConfigService _configService;
-
-        protected ProwlarrConfigModule(IConfigService configService)
-            : this(new TResource().ResourceName.Replace("config", ""), configService)
-        {
-        }
-
-        protected ProwlarrConfigModule(string resource, IConfigService configService)
-            : base("config/" + resource.Trim('/'))
-        {
-            _configService = configService;
-
-            GetResourceSingle = GetConfig;
-            GetResourceById = GetConfig;
-            UpdateResource = SaveConfig;
-        }
-
-        private TResource GetConfig()
-        {
-            var resource = ToResource(_configService);
-            resource.Id = 1;
-
-            return resource;
-        }
-
-        protected abstract TResource ToResource(IConfigService model);
-
-        private TResource GetConfig(int id)
-        {
-            return GetConfig();
-        }
-
-        private void SaveConfig(TResource resource)
-        {
-            var dictionary = resource.GetType()
-                                     .GetProperties(BindingFlags.Instance | BindingFlags.Public)
-                                     .ToDictionary(prop => prop.Name, prop => prop.GetValue(resource, null));
-
-            _configService.SaveConfigDictionary(dictionary);
-        }
-    }
-}

src/Prowlarr.Api.V1/Config/UiConfigController.cs

@@ -1,10 +1,12 @@
 using NzbDrone.Core.Configuration;
+using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Config
 {
-    public class UiConfigModule : ProwlarrConfigModule<UiConfigResource>
+    [V1ApiController("config/ui")]
+    public class UiConfigController : ConfigController<UiConfigResource>
     {
-        public UiConfigModule(IConfigService configService)
+        public UiConfigController(IConfigService configService)
             : base(configService)
         {
         }

src/Prowlarr.Api.V1/CustomFilters/CustomFilterController.cs

@@ -0,0 +1,52 @@
+using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Core.CustomFilters;
+using NzbDrone.Http.REST.Attributes;
+using Prowlarr.Http;
+using Prowlarr.Http.REST;
+
+namespace Prowlarr.Api.V1.CustomFilters
+{
+    [V1ApiController]
+    public class CustomFilterController : RestController<CustomFilterResource>
+    {
+        private readonly ICustomFilterService _customFilterService;
+
+        public CustomFilterController(ICustomFilterService customFilterService)
+        {
+            _customFilterService = customFilterService;
+        }
+
+        public override CustomFilterResource GetResourceById(int id)
+        {
+            return _customFilterService.Get(id).ToResource();
+        }
+
+        [HttpGet]
+        public List<CustomFilterResource> GetCustomFilters()
+        {
+            return _customFilterService.All().ToResource();
+        }
+
+        [RestPostById]
+        public ActionResult<CustomFilterResource> AddCustomFilter(CustomFilterResource resource)
+        {
+            var customFilter = _customFilterService.Add(resource.ToModel());
+
+            return Created(customFilter.Id);
+        }
+
+        [RestPutById]
+        public ActionResult<CustomFilterResource> UpdateCustomFilter(CustomFilterResource resource)
+        {
+            _customFilterService.Update(resource.ToModel());
+            return Accepted(resource.Id);
+        }
+
+        [RestDeleteById]
+        public void DeleteCustomResource(int id)
+        {
+            _customFilterService.Delete(id);
+        }
+    }
+}

src/Prowlarr.Api.V1/CustomFilters/CustomFilterModule.cs

@@ -1,49 +0,0 @@
-using System.Collections.Generic;
-using NzbDrone.Core.CustomFilters;
-using Prowlarr.Http;
-
-namespace Prowlarr.Api.V1.CustomFilters
-{
-    public class CustomFilterModule : ProwlarrRestModule<CustomFilterResource>
-    {
-        private readonly ICustomFilterService _customFilterService;
-
-        public CustomFilterModule(ICustomFilterService customFilterService)
-        {
-            _customFilterService = customFilterService;
-
-            GetResourceById = GetCustomFilter;
-            GetResourceAll = GetCustomFilters;
-            CreateResource = AddCustomFilter;
-            UpdateResource = UpdateCustomFilter;
-            DeleteResource = DeleteCustomResource;
-        }
-
-        private CustomFilterResource GetCustomFilter(int id)
-        {
-            return _customFilterService.Get(id).ToResource();
-        }
-
-        private List<CustomFilterResource> GetCustomFilters()
-        {
-            return _customFilterService.All().ToResource();
-        }
-
-        private int AddCustomFilter(CustomFilterResource resource)
-        {
-            var customFilter = _customFilterService.Add(resource.ToModel());
-
-            return customFilter.Id;
-        }
-
-        private void UpdateCustomFilter(CustomFilterResource resource)
-        {
-            _customFilterService.Update(resource.ToModel());
-        }
-
-        private void DeleteCustomResource(int id)
-        {
-            _customFilterService.Delete(id);
-        }
-    }
-}

src/Prowlarr.Api.V1/FileSystem/FileSystemController.cs

@@ -0,0 +1,41 @@
+using System;
+using System.IO;
+using System.Linq;
+using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Common.Disk;
+using Prowlarr.Http;
+
+namespace Prowlarr.Api.V1.FileSystem
+{
+    [V1ApiController]
+    public class FileSystemController : Controller
+    {
+        private readonly IFileSystemLookupService _fileSystemLookupService;
+        private readonly IDiskProvider _diskProvider;
+
+        public FileSystemController(IFileSystemLookupService fileSystemLookupService,
+                                IDiskProvider diskProvider)
+        {
+            _fileSystemLookupService = fileSystemLookupService;
+            _diskProvider = diskProvider;
+        }
+
+        [HttpGet]
+        public IActionResult GetContents(string path, bool includeFiles = false, bool allowFoldersWithoutTrailingSlashes = false)
+        {
+            return Ok(_fileSystemLookupService.LookupContents(path, includeFiles, allowFoldersWithoutTrailingSlashes));
+        }
+
+        [HttpGet("type")]
+        public object GetEntityType(string path)
+        {
+            if (_diskProvider.FileExists(path))
+            {
+                return new { type = "file" };
+            }
+
+            //Return folder even if it doesn't exist on disk to avoid leaking anything from the UI about the underlying system
+            return new { type = "folder" };
+        }
+    }
+}

src/Prowlarr.Api.V1/FileSystem/FileSystemModule.cs

@@ -1,49 +0,0 @@
-using System;
-using System.IO;
-using System.Linq;
-using Nancy;
-using NzbDrone.Common.Disk;
-using NzbDrone.Common.Extensions;
-using Prowlarr.Http.Extensions;
-
-namespace Prowlarr.Api.V1.FileSystem
-{
-    public class FileSystemModule : ProwlarrV1Module
-    {
-        private readonly IFileSystemLookupService _fileSystemLookupService;
-        private readonly IDiskProvider _diskProvider;
-
-        public FileSystemModule(IFileSystemLookupService fileSystemLookupService,
-                                IDiskProvider diskProvider)
-            : base("/filesystem")
-        {
-            _fileSystemLookupService = fileSystemLookupService;
-            _diskProvider = diskProvider;
-            Get("/", x => GetContents());
-            Get("/type", x => GetEntityType());
-        }
-
-        private object GetContents()
-        {
-            var pathQuery = Request.Query.path;
-            var includeFiles = Request.GetBooleanQueryParameter("includeFiles");
-            var allowFoldersWithoutTrailingSlashes = Request.GetBooleanQueryParameter("allowFoldersWithoutTrailingSlashes");
-
-            return _fileSystemLookupService.LookupContents((string)pathQuery.Value, includeFiles, allowFoldersWithoutTrailingSlashes);
-        }
-
-        private object GetEntityType()
-        {
-            var pathQuery = Request.Query.path;
-            var path = (string)pathQuery.Value;
-
-            if (_diskProvider.FileExists(path))
-            {
-                return new { type = "file" };
-            }
-
-            //Return folder even if it doesn't exist on disk to avoid leaking anything from the UI about the underlying system
-            return new { type = "folder" };
-        }
-    }
-}

src/Prowlarr.Api.V1/Health/HealthController.cs

@@ -1,29 +1,39 @@
+using System;
 using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Datastore.Events;
 using NzbDrone.Core.HealthCheck;
 using NzbDrone.Core.Messaging.Events;
 using NzbDrone.SignalR;
 using Prowlarr.Http;
+using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1.Health
 {
-    public class HealthModule : ProwlarrRestModuleWithSignalR<HealthResource, HealthCheck>,
+    [V1ApiController]
+    public class HealthController : RestControllerWithSignalR<HealthResource, HealthCheck>,
                                 IHandle<HealthCheckCompleteEvent>
     {
         private readonly IHealthCheckService _healthCheckService;
 
-        public HealthModule(IBroadcastSignalRMessage signalRBroadcaster, IHealthCheckService healthCheckService)
+        public HealthController(IBroadcastSignalRMessage signalRBroadcaster, IHealthCheckService healthCheckService)
             : base(signalRBroadcaster)
         {
             _healthCheckService = healthCheckService;
-            GetResourceAll = GetHealth;
         }
 
-        private List<HealthResource> GetHealth()
+        public override HealthResource GetResourceById(int id)
+        {
+            throw new NotImplementedException();
+        }
+
+        [HttpGet]
+        public List<HealthResource> GetHealth()
         {
             return _healthCheckService.Results().ToResource();
         }
 
+        [NonAction]
         public void Handle(HealthCheckCompleteEvent message)
         {
             BroadcastResourceChange(ModelAction.Sync);

src/Prowlarr.Api.V1/History/HistoryController.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Core.Datastore;
+using NzbDrone.Core.History;
+using Prowlarr.Http;
+using Prowlarr.Http.Extensions;
+
+namespace Prowlarr.Api.V1.History
+{
+    [V1ApiController]
+    public class HistoryController : Controller
+    {
+        private readonly IHistoryService _historyService;
+
+        public HistoryController(IHistoryService historyService)
+        {
+            _historyService = historyService;
+        }
+
+        protected HistoryResource MapToResource(NzbDrone.Core.History.History model)
+        {
+            var resource = model.ToResource();
+
+            return resource;
+        }
+
+        [HttpGet]
+        public PagingResource<HistoryResource> GetHistory()
+        {
+            var pagingResource = Request.ReadPagingResourceFromRequest<HistoryResource>();
+            var pagingSpec = pagingResource.MapToPagingSpec<HistoryResource, NzbDrone.Core.History.History>("date", SortDirection.Descending);
+
+            var eventTypeFilter = pagingResource.Filters.FirstOrDefault(f => f.Key == "eventType");
+            var downloadIdFilter = pagingResource.Filters.FirstOrDefault(f => f.Key == "downloadId");
+
+            if (eventTypeFilter != null)
+            {
+                var filterValue = (HistoryEventType)Convert.ToInt32(eventTypeFilter.Value);
+                pagingSpec.FilterExpressions.Add(v => v.EventType == filterValue);
+            }
+
+            if (downloadIdFilter != null)
+            {
+                var downloadId = downloadIdFilter.Value;
+                pagingSpec.FilterExpressions.Add(h => h.DownloadId == downloadId);
+            }
+
+            return pagingSpec.ApplyToPage(_historyService.Paged, h => MapToResource(h));
+        }
+
+        [HttpGet("since")]
+        public List<HistoryResource> GetHistorySince(DateTime date, HistoryEventType? eventType = null)
+        {
+            return _historyService.Since(date, eventType).Select(h => MapToResource(h)).ToList();
+        }
+
+        [HttpGet("indexer")]
+        public List<HistoryResource> GetIndexerHistory(int indexerId, HistoryEventType? eventType = null)
+        {
+            return _historyService.GetByIndexerId(indexerId, eventType).Select(h => MapToResource(h)).ToList();
+        }
+    }
+}

src/Prowlarr.Api.V1/History/HistoryModule.cs

@@ -1,100 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using Nancy;
-using NzbDrone.Core.Datastore;
-using NzbDrone.Core.History;
-using Prowlarr.Http;
-using Prowlarr.Http.Extensions;
-using Prowlarr.Http.REST;
-
-namespace Prowlarr.Api.V1.History
-{
-    public class HistoryModule : ProwlarrRestModule<HistoryResource>
-    {
-        private readonly IHistoryService _historyService;
-
-        public HistoryModule(IHistoryService historyService)
-        {
-            _historyService = historyService;
-            GetResourcePaged = GetHistory;
-
-            Get("/since", x => GetHistorySince());
-            Get("/indexer", x => GetIndexerHistory());
-        }
-
-        protected HistoryResource MapToResource(NzbDrone.Core.History.History model, bool includeMovie)
-        {
-            var resource = model.ToResource();
-
-            return resource;
-        }
-
-        private PagingResource<HistoryResource> GetHistory(PagingResource<HistoryResource> pagingResource)
-        {
-            var pagingSpec = pagingResource.MapToPagingSpec<HistoryResource, NzbDrone.Core.History.History>("date", SortDirection.Descending);
-            var includeMovie = Request.GetBooleanQueryParameter("includeMovie");
-
-            var eventTypeFilter = pagingResource.Filters.FirstOrDefault(f => f.Key == "eventType");
-            var downloadIdFilter = pagingResource.Filters.FirstOrDefault(f => f.Key == "downloadId");
-
-            if (eventTypeFilter != null)
-            {
-                var filterValue = (HistoryEventType)Convert.ToInt32(eventTypeFilter.Value);
-                pagingSpec.FilterExpressions.Add(v => v.EventType == filterValue);
-            }
-
-            if (downloadIdFilter != null)
-            {
-                var downloadId = downloadIdFilter.Value;
-                pagingSpec.FilterExpressions.Add(h => h.DownloadId == downloadId);
-            }
-
-            return ApplyToPage(_historyService.Paged, pagingSpec, h => MapToResource(h, includeMovie));
-        }
-
-        private List<HistoryResource> GetHistorySince()
-        {
-            var queryDate = Request.Query.Date;
-            var queryEventType = Request.Query.EventType;
-
-            if (!queryDate.HasValue)
-            {
-                throw new BadRequestException("date is missing");
-            }
-
-            DateTime date = DateTime.Parse(queryDate.Value);
-            HistoryEventType? eventType = null;
-            var includeMovie = Request.GetBooleanQueryParameter("includeMovie");
-
-            if (queryEventType.HasValue)
-            {
-                eventType = (HistoryEventType)Convert.ToInt32(queryEventType.Value);
-            }
-
-            return _historyService.Since(date, eventType).Select(h => MapToResource(h, includeMovie)).ToList();
-        }
-
-        private List<HistoryResource> GetIndexerHistory()
-        {
-            var queryIndexerId = Request.Query.IndexerId;
-            var queryEventType = Request.Query.EventType;
-
-            if (!queryIndexerId.HasValue)
-            {
-                throw new BadRequestException("indexerId is missing");
-            }
-
-            int indexerId = Convert.ToInt32(queryIndexerId.Value);
-            HistoryEventType? eventType = null;
-            var includeIndexer = Request.GetBooleanQueryParameter("includeIndexer");
-
-            if (queryEventType.HasValue)
-            {
-                eventType = (HistoryEventType)Convert.ToInt32(queryEventType.Value);
-            }
-
-            return _historyService.GetByIndexerId(indexerId, eventType).Select(h => MapToResource(h, includeIndexer)).ToList();
-        }
-    }
-}

src/Prowlarr.Api.V1/Indexers/IndexerController.cs

@@ -2,42 +2,32 @@ using System;
 using System.Collections.Generic;
 using System.Net;
 using System.Text;
-using Nancy;
-using Nancy.ModelBinding;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Indexers;
 using NzbDrone.Core.IndexerSearch;
 using NzbDrone.Core.Parser;
-using NzbDrone.Http.Extensions;
+using Prowlarr.Http;
 using Prowlarr.Http.Extensions;
 using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1.Indexers
 {
-    public class IndexerModule : ProviderModuleBase<IndexerResource, IIndexer, IndexerDefinition>
+    [V1ApiController]
+    public class IndexerController : ProviderControllerBase<IndexerResource, IIndexer, IndexerDefinition>
     {
         private IIndexerFactory _indexerFactory { get; set; }
         private ISearchForNzb _nzbSearchService { get; set; }
         private IDownloadMappingService _downloadMappingService { get; set; }
         private IDownloadService _downloadService { get; set; }
 
-        public IndexerModule(IndexerFactory indexerFactory, ISearchForNzb nzbSearchService, IDownloadMappingService downloadMappingService, IDownloadService downloadService, IndexerResourceMapper resourceMapper)
+        public IndexerController(IndexerFactory indexerFactory, ISearchForNzb nzbSearchService, IDownloadMappingService downloadMappingService, IDownloadService downloadService, IndexerResourceMapper resourceMapper)
             : base(indexerFactory, "indexer", resourceMapper)
         {
             _indexerFactory = indexerFactory;
             _nzbSearchService = nzbSearchService;
             _downloadMappingService = downloadMappingService;
             _downloadService = downloadService;
-
-            Get("{id}/newznab", x =>
-            {
-                var request = this.Bind<NewznabRequest>();
-                return GetNewznabResponse(request);
-            });
-            Get("{id}/download", x =>
-            {
-                return GetDownload(x.id);
-            });
         }
 
         protected override void Validate(IndexerDefinition definition, bool includeWarnings)
@@ -50,10 +40,11 @@ namespace Prowlarr.Api.V1.Indexers
             base.Validate(definition, includeWarnings);
         }
 
-        private object GetNewznabResponse(NewznabRequest request)
+        [HttpGet("{id:int}/newznab")]
+        public IActionResult GetNewznabResponse(int id, [FromQuery] NewznabRequest request)
         {
             var requestType = request.t;
-            request.source = UserAgentParser.ParseSource(Request.Headers.UserAgent);
+            request.source = UserAgentParser.ParseSource(Request.Headers["User-Agent"]);
             request.server = Request.GetServerUrl();
 
             if (requestType.IsNullOrWhiteSpace())
@@ -61,7 +52,7 @@ namespace Prowlarr.Api.V1.Indexers
                 throw new BadRequestException("Missing Function Parameter");
             }
 
-            var indexer = _indexerFactory.Get(request.id);
+            var indexer = _indexerFactory.Get(id);
 
             if (indexer == null)
             {
@@ -73,32 +64,26 @@ namespace Prowlarr.Api.V1.Indexers
             switch (requestType)
             {
                 case "caps":
-                    Response response = indexerInstance.GetCapabilities().ToXml();
-                    response.ContentType = "application/rss+xml";
-                    return response;
+                    return Content(indexerInstance.GetCapabilities().ToXml(), "application/rss+xml");
                 case "search":
                 case "tvsearch":
                 case "music":
                 case "book":
                 case "movie":
                     var results = _nzbSearchService.Search(request, new List<int> { indexer.Id }, false);
-
-                    Response searchResponse = results.ToXml(indexerInstance.Protocol);
-                    searchResponse.ContentType = "application/rss+xml";
-                    return searchResponse;
+                    return Content(results.ToXml(indexerInstance.Protocol), "application/rss+xml");
                 default:
                     throw new BadRequestException("Function Not Available");
             }
         }
 
-        private object GetDownload(int id)
+        [HttpGet("{id:int}/download")]
+        public object GetDownload(int id, string link, string file)
         {
             var indexerDef = _indexerFactory.Get(id);
             var indexer = _indexerFactory.GetInstance(indexerDef);
-            var link = Request.Query.Link;
-            var file = Request.Query.File;
 
-            if (!link.HasValue || !file.HasValue)
+            if (link.IsNullOrWhiteSpace() || file.IsNullOrWhiteSpace())
             {
                 throw new BadRequestException("Invalid Prowlarr link");
             }
@@ -110,15 +95,15 @@ namespace Prowlarr.Api.V1.Indexers
                 throw new NotFoundException("Indexer Not Found");
             }
 
-            var source = UserAgentParser.ParseSource(Request.Headers.UserAgent);
+            var source = UserAgentParser.ParseSource(Request.Headers["User-Agent"]);
 
-            var unprotectedlLink = _downloadMappingService.ConvertToNormalLink((string)link.Value);
+            var unprotectedlLink = _downloadMappingService.ConvertToNormalLink(link);
 
             // If Indexer is set to download via Redirect then just redirect to the link
             if (indexer.SupportsRedirect && indexerDef.Redirect)
             {
                 _downloadService.RecordRedirect(unprotectedlLink, id, source, file);
-                return Response.AsRedirect(unprotectedlLink, Nancy.Responses.RedirectResponse.RedirectType.Permanent);
+                return RedirectPermanent(unprotectedlLink);
             }
 
             var downloadBytes = Array.Empty<byte>();
@@ -135,14 +120,14 @@ namespace Prowlarr.Api.V1.Indexers
                 && downloadBytes[6] == 0x3a)
             {
                 var magnetUrl = Encoding.UTF8.GetString(downloadBytes);
-                return Response.AsRedirect(magnetUrl, Nancy.Responses.RedirectResponse.RedirectType.Permanent);
+                return RedirectPermanent(magnetUrl);
             }
 
             var contentType = indexer.Protocol == DownloadProtocol.Torrent ? "application/x-bittorrent" : "application/x-nzb";
             var extension = indexer.Protocol == DownloadProtocol.Torrent ? "torrent" : "nzb";
             var filename = $"{file}.{extension}";
 
-            return Response.FromByteArray(downloadBytes, contentType).AsAttachment(filename, contentType);
+            return File(downloadBytes, contentType, filename);
         }
     }
 }

src/Prowlarr.Api.V1/Indexers/IndexerDefaultCategoriesController.cs

@@ -0,0 +1,16 @@
+using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Core.Indexers;
+using Prowlarr.Http;
+
+namespace NzbDrone.Api.V1.Indexers
+{
+    [V1ApiController("indexer/categories")]
+    public class IndexerDefaultCategoriesController : Controller
+    {
+        [HttpGet]
+        public IndexerCategory[] GetAll()
+        {
+            return NewznabStandardCategory.ParentCats;
+        }
+    }
+}

src/Prowlarr.Api.V1/Indexers/IndexerDefaultCategoriesModule.cs

@@ -1,19 +0,0 @@
-using NzbDrone.Core.Indexers;
-using Prowlarr.Api.V1;
-
-namespace NzbDrone.Api.V1.Indexers
-{
-    public class IndexerDefaultCategoriesModule : ProwlarrV1Module
-    {
-        public IndexerDefaultCategoriesModule()
-            : base("/indexer/categories")
-        {
-            Get("/", movie => GetAll());
-        }
-
-        private IndexerCategory[] GetAll()
-        {
-            return NewznabStandardCategory.ParentCats;
-        }
-    }
-}

src/Prowlarr.Api.V1/Indexers/IndexerEditorController.cs

@@ -1,32 +1,30 @@
 using System.Collections.Generic;
 using System.Linq;
-using Nancy;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Indexers;
 using NzbDrone.Core.Messaging.Commands;
+using Prowlarr.Http;
 using Prowlarr.Http.Extensions;
 
 namespace Prowlarr.Api.V1.Indexers
 {
-    public class IndexerEditorModule : ProwlarrV1Module
+    [V1ApiController("indexer/editor")]
+    public class IndexerEditorController : Controller
     {
         private readonly IIndexerFactory _indexerService;
         private readonly IManageCommandQueue _commandQueueManager;
         private readonly IndexerResourceMapper _resourceMapper;
 
-        public IndexerEditorModule(IIndexerFactory indexerService, IManageCommandQueue commandQueueManager, IndexerResourceMapper resourceMapper)
-            : base("/indexer/editor")
+        public IndexerEditorController(IIndexerFactory indexerService, IManageCommandQueue commandQueueManager, IndexerResourceMapper resourceMapper)
         {
             _indexerService = indexerService;
             _commandQueueManager = commandQueueManager;
             _resourceMapper = resourceMapper;
-
-            Put("/", movie => SaveAll());
-            Delete("/", movie => DeleteIndexers());
         }
 
-        private object SaveAll()
+        [HttpPut]
+        public IActionResult SaveAll(IndexerEditorResource resource)
         {
-            var resource = Request.Body.FromJson<IndexerEditorResource>();
             var indexersToUpdate = _indexerService.All().Where(x => resource.IndexerIds.Contains(x.Id));
 
             foreach (var indexer in indexersToUpdate)
@@ -65,13 +63,12 @@ namespace Prowlarr.Api.V1.Indexers
                 _indexerService.SetProviderCharacteristics(definition);
             }
 
-            return ResponseWithCode(_resourceMapper.ToResource(indexers), HttpStatusCode.Accepted);
+            return Accepted(_resourceMapper.ToResource(indexers));
         }
 
-        private object DeleteIndexers()
+        [HttpDelete]
+        public object DeleteIndexers(IndexerEditorResource resource)
         {
-            var resource = Request.Body.FromJson<IndexerEditorResource>();
-
             _indexerService.DeleteIndexers(resource.IndexerIds);
 
             return new object();

src/Prowlarr.Api.V1/Indexers/IndexerFlagController.cs

@@ -1,19 +1,17 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Parser.Model;
 using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Indexers
 {
-    public class IndexerFlagModule : ProwlarrRestModule<IndexerFlagResource>
+    [V1ApiController]
+    public class IndexerFlagController : Controller
     {
-        public IndexerFlagModule()
-        {
-            GetResourceAll = GetAll;
-        }
-
-        private List<IndexerFlagResource> GetAll()
+        [HttpGet]
+        public List<IndexerFlagResource> GetAll()
         {
             return Enum.GetValues(typeof(IndexerFlags)).Cast<IndexerFlags>().Select(f => new IndexerFlagResource
             {

src/Prowlarr.Api.V1/Indexers/IndexerStatsController.cs

@@ -1,28 +1,21 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.IndexerStats;
 using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Indexers
 {
-    public class IndexerStatsModule : ProwlarrRestModule<IndexerStatsResource>
+    [V1ApiController]
+    public class IndexerStatsController : Controller
     {
         private readonly IIndexerStatisticsService _indexerStatisticsService;
 
-        public IndexerStatsModule(IIndexerStatisticsService indexerStatisticsService)
+        public IndexerStatsController(IIndexerStatisticsService indexerStatisticsService)
         {
             _indexerStatisticsService = indexerStatisticsService;
-
-            Get("/", x =>
-            {
-                return GetAll();
-            });
         }
 
-        private IndexerStatsResource GetAll()
+        [HttpGet]
+        public IndexerStatsResource GetAll()
         {
             var indexerResource = new IndexerStatsResource
             {

src/Prowlarr.Api.V1/Indexers/IndexerStatusController.cs

@@ -1,31 +1,40 @@
 using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Datastore.Events;
 using NzbDrone.Core.Indexers;
 using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.ThingiProvider.Events;
 using NzbDrone.SignalR;
 using Prowlarr.Http;
+using Prowlarr.Http.REST;
+using NotImplementedException = System.NotImplementedException;
 
 namespace Prowlarr.Api.V1.Indexers
 {
-    public class IndexerStatusModule : ProwlarrRestModuleWithSignalR<IndexerStatusResource, IndexerStatus>,
+    [V1ApiController]
+    public class IndexerStatusController : RestControllerWithSignalR<IndexerStatusResource, IndexerStatus>,
                                        IHandle<ProviderStatusChangedEvent<IIndexer>>
     {
         private readonly IIndexerStatusService _indexerStatusService;
 
-        public IndexerStatusModule(IBroadcastSignalRMessage signalRBroadcaster, IIndexerStatusService indexerStatusService)
+        public IndexerStatusController(IBroadcastSignalRMessage signalRBroadcaster, IIndexerStatusService indexerStatusService)
             : base(signalRBroadcaster)
         {
             _indexerStatusService = indexerStatusService;
+        }
 
-            GetResourceAll = GetAll;
+        public override IndexerStatusResource GetResourceById(int id)
+        {
+            throw new NotImplementedException();
         }
 
-        private List<IndexerStatusResource> GetAll()
+        [HttpGet]
+        public List<IndexerStatusResource> GetAll()
         {
             return _indexerStatusService.GetBlockedProviders().ToResource();
         }
 
+        [NonAction]
         public void Handle(ProviderStatusChangedEvent<IIndexer> message)
         {
             BroadcastResourceChange(ModelAction.Sync);

src/Prowlarr.Api.V1/Languages/LanguageController.cs

@@ -1,19 +1,16 @@
 using System.Collections.Generic;
 using System.Linq;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Languages;
 using Prowlarr.Http;
+using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1.Languages
 {
-    public class LanguageModule : ProwlarrRestModule<LanguageResource>
+    [V1ApiController()]
+    public class LanguageController : RestController<LanguageResource>
     {
-        public LanguageModule()
-        {
-            GetResourceAll = GetAll;
-            GetResourceById = GetById;
-        }
-
-        private LanguageResource GetById(int id)
+        public override LanguageResource GetResourceById(int id)
         {
             var language = (Language)id;
 
@@ -24,7 +21,8 @@ namespace Prowlarr.Api.V1.Languages
             };
         }
 
-        private List<LanguageResource> GetAll()
+        [HttpGet]
+        public List<LanguageResource> GetAll()
         {
             return Language.All.Select(l => new LanguageResource
             {

src/Prowlarr.Api.V1/Localization/LocalizationController.cs

@@ -1,21 +1,22 @@
+using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json;
 using NzbDrone.Core.Localization;
 using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Localization
 {
-    public class LocalizationModule : ProwlarrRestModule<LocalizationResource>
+    [V1ApiController]
+    public class LocalizationController : Controller
     {
         private readonly ILocalizationService _localizationService;
 
-        public LocalizationModule(ILocalizationService localizationService)
+        public LocalizationController(ILocalizationService localizationService)
         {
             _localizationService = localizationService;
-
-            Get("/", x => GetLocalizationDictionary());
         }
 
-        private string GetLocalizationDictionary()
+        [HttpGet]
+        public string GetLocalizationDictionary()
         {
             // We don't want camel case for transation strings, create new serializer settings
             var serializerSettings = new JsonSerializerSettings

src/Prowlarr.Api.V1/Logs/LogController.cs

@@ -1,21 +1,25 @@
 using System.Linq;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Instrumentation;
 using Prowlarr.Http;
+using Prowlarr.Http.Extensions;
 
 namespace Prowlarr.Api.V1.Logs
 {
-    public class LogModule : ProwlarrRestModule<LogResource>
+    [V1ApiController]
+    public class LogController : Controller
     {
         private readonly ILogService _logService;
 
-        public LogModule(ILogService logService)
+        public LogController(ILogService logService)
         {
             _logService = logService;
-            GetResourcePaged = GetLogs;
         }
 
-        private PagingResource<LogResource> GetLogs(PagingResource<LogResource> pagingResource)
+        [HttpGet]
+        public PagingResource<LogResource> GetLogs()
         {
+            var pagingResource = Request.ReadPagingResourceFromRequest<LogResource>();
             var pageSpec = pagingResource.MapToPagingSpec<LogResource, Log>();
 
             if (pageSpec.SortKey == "time")
@@ -50,7 +54,7 @@ namespace Prowlarr.Api.V1.Logs
                 }
             }
 
-            var response = ApplyToPage(_logService.Paged, pageSpec, LogResourceMapper.ToResource);
+            var response = pageSpec.ApplyToPage(_logService.Paged, LogResourceMapper.ToResource);
 
             if (pageSpec.SortKey == "id")
             {

src/Prowlarr.Api.V1/Logs/LogFileController.cs

@@ -1,18 +1,20 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.IO;
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Configuration;
+using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Logs
 {
-    public class LogFileModule : LogFileModuleBase
+    [V1ApiController("log/file")]
+    public class LogFileController : LogFileControllerBase
     {
         private readonly IAppFolderInfo _appFolderInfo;
         private readonly IDiskProvider _diskProvider;
 
-        public LogFileModule(IAppFolderInfo appFolderInfo,
+        public LogFileController(IAppFolderInfo appFolderInfo,
                              IDiskProvider diskProvider,
                              IConfigFileProvider configFileProvider)
             : base(diskProvider, configFileProvider, "")

src/Prowlarr.Api.V1/Logs/LogFileControllerBase.cs

@@ -1,35 +1,32 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using Nancy;
-using Nancy.Responses;
+using Microsoft.AspNetCore.Mvc;
 using NLog;
 using NzbDrone.Common.Disk;
 using NzbDrone.Core.Configuration;
-using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Logs
 {
-    public abstract class LogFileModuleBase : ProwlarrRestModule<LogFileResource>
+    public abstract class LogFileControllerBase : Controller
     {
         protected const string LOGFILE_ROUTE = @"/(?<filename>[-.a-zA-Z0-9]+?\.txt)";
+        protected string _resource;
 
         private readonly IDiskProvider _diskProvider;
         private readonly IConfigFileProvider _configFileProvider;
 
-        public LogFileModuleBase(IDiskProvider diskProvider,
+        public LogFileControllerBase(IDiskProvider diskProvider,
                                  IConfigFileProvider configFileProvider,
-                                 string route)
-            : base("log/file" + route)
+                                 string resource)
         {
             _diskProvider = diskProvider;
             _configFileProvider = configFileProvider;
-            GetResourceAll = GetLogFilesResponse;
-
-            Get(LOGFILE_ROUTE, options => GetLogFileResponse(options.filename));
+            _resource = resource;
         }
 
-        private List<LogFileResource> GetLogFilesResponse()
+        [HttpGet]
+        public List<LogFileResource> GetLogFilesResponse()
         {
             var result = new List<LogFileResource>();
 
@@ -45,7 +42,7 @@ namespace Prowlarr.Api.V1.Logs
                     Id = i + 1,
                     Filename = filename,
                     LastWriteTime = _diskProvider.FileGetLastWrite(file),
-                    ContentsUrl = string.Format("{0}/api/v1/{1}/{2}", _configFileProvider.UrlBase, Resource, filename),
+                    ContentsUrl = string.Format("{0}/api/v1/{1}/{2}", _configFileProvider.UrlBase, _resource, filename),
                     DownloadUrl = string.Format("{0}/{1}/{2}", _configFileProvider.UrlBase, DownloadUrlRoot, filename)
                 });
             }
@@ -53,7 +50,8 @@ namespace Prowlarr.Api.V1.Logs
             return result.OrderByDescending(l => l.LastWriteTime).ToList();
         }
 
-        private object GetLogFileResponse(string filename)
+        [HttpGet(@"{filename:regex([[-.a-zA-Z0-9]]+?\.txt)}")]
+        public IActionResult GetLogFileResponse(string filename)
         {
             LogManager.Flush();
 
@@ -61,12 +59,10 @@ namespace Prowlarr.Api.V1.Logs
 
             if (!_diskProvider.FileExists(filePath))
             {
-                return new NotFoundResponse();
+                return NotFound();
             }
 
-            var data = _diskProvider.ReadAllText(filePath);
-
-            return new TextResponse(data);
+            return PhysicalFile(filePath, "text/plain");
         }
 
         protected abstract IEnumerable<string> GetLogFiles();

src/Prowlarr.Api.V1/Logs/UpdateLogFileController.cs

@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
@@ -6,18 +6,20 @@ using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Configuration;
+using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Logs
 {
-    public class UpdateLogFileModule : LogFileModuleBase
+    [V1ApiController("log/file/update")]
+    public class UpdateLogFileController : LogFileControllerBase
     {
         private readonly IAppFolderInfo _appFolderInfo;
         private readonly IDiskProvider _diskProvider;
 
-        public UpdateLogFileModule(IAppFolderInfo appFolderInfo,
+        public UpdateLogFileController(IAppFolderInfo appFolderInfo,
                                    IDiskProvider diskProvider,
                                    IConfigFileProvider configFileProvider)
-            : base(diskProvider, configFileProvider, "/update")
+            : base(diskProvider, configFileProvider, "update")
         {
             _appFolderInfo = appFolderInfo;
             _diskProvider = diskProvider;

src/Prowlarr.Api.V1/Notifications/NotificationController.cs

@@ -1,12 +1,14 @@
 using NzbDrone.Core.Notifications;
+using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Notifications
 {
-    public class NotificationModule : ProviderModuleBase<NotificationResource, INotification, NotificationDefinition>
+    [V1ApiController]
+    public class NotificationController : ProviderControllerBase<NotificationResource, INotification, NotificationDefinition>
     {
         public static readonly NotificationResourceMapper ResourceMapper = new NotificationResourceMapper();
 
-        public NotificationModule(NotificationFactory notificationFactory)
+        public NotificationController(NotificationFactory notificationFactory)
             : base(notificationFactory, "notification", ResourceMapper)
         {
         }

src/Prowlarr.Api.V1/ProviderControllerBase.cs

@@ -2,16 +2,17 @@ using System.Collections.Generic;
 using System.Linq;
 using FluentValidation;
 using FluentValidation.Results;
-using Nancy;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common.Serializer;
 using NzbDrone.Core.ThingiProvider;
 using NzbDrone.Core.Validation;
-using Prowlarr.Http;
+using NzbDrone.Http.REST.Attributes;
 using Prowlarr.Http.Extensions;
+using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1
 {
-    public abstract class ProviderModuleBase<TProviderResource, TProvider, TProviderDefinition> : ProwlarrRestModule<TProviderResource>
+    public abstract class ProviderControllerBase<TProviderResource, TProvider, TProviderDefinition> : RestController<TProviderResource>
         where TProviderDefinition : ProviderDefinition, new()
         where TProvider : IProvider
         where TProviderResource : ProviderResource<TProviderResource>, new()
@@ -19,23 +20,11 @@ namespace Prowlarr.Api.V1
         protected readonly IProviderFactory<TProvider, TProviderDefinition> _providerFactory;
         protected readonly ProviderResourceMapper<TProviderResource, TProviderDefinition> _resourceMapper;
 
-        protected ProviderModuleBase(IProviderFactory<TProvider, TProviderDefinition> providerFactory, string resource, ProviderResourceMapper<TProviderResource, TProviderDefinition> resourceMapper)
-            : base(resource)
+        protected ProviderControllerBase(IProviderFactory<TProvider, TProviderDefinition> providerFactory, string resource, ProviderResourceMapper<TProviderResource, TProviderDefinition> resourceMapper)
         {
             _providerFactory = providerFactory;
             _resourceMapper = resourceMapper;
 
-            Get("schema", x => GetTemplates());
-            Post("test", x => Test(ReadResourceFromRequest(true)));
-            Post("testall", x => TestAll());
-            Post("action/{action}", x => RequestAction(x.action, ReadResourceFromRequest(true, true)));
-
-            GetResourceAll = GetAll;
-            GetResourceById = GetProviderById;
-            CreateResource = CreateProvider;
-            UpdateResource = UpdateProvider;
-            DeleteResource = DeleteProvider;
-
             SharedValidator.RuleFor(c => c.Name).NotEmpty();
             SharedValidator.RuleFor(c => c.Name).Must((v, c) => !_providerFactory.All().Any(p => p.Name == c && p.Id != v.Id)).WithMessage("Should be unique");
             SharedValidator.RuleFor(c => c.Implementation).NotEmpty();
@@ -44,7 +33,7 @@ namespace Prowlarr.Api.V1
             PostValidator.RuleFor(c => c.Fields).NotNull();
         }
 
-        private TProviderResource GetProviderById(int id)
+        public override TProviderResource GetResourceById(int id)
         {
             var definition = _providerFactory.Get(id);
             _providerFactory.SetProviderCharacteristics(definition);
@@ -52,7 +41,8 @@ namespace Prowlarr.Api.V1
             return _resourceMapper.ToResource(definition);
         }
 
-        private List<TProviderResource> GetAll()
+        [HttpGet]
+        public List<TProviderResource> GetAll()
         {
             var providerDefinitions = _providerFactory.All().OrderBy(p => p.ImplementationName);
 
@@ -68,7 +58,8 @@ namespace Prowlarr.Api.V1
             return result.OrderBy(p => p.Name).ToList();
         }
 
-        private int CreateProvider(TProviderResource providerResource)
+        [RestPostById]
+        public ActionResult<TProviderResource> CreateProvider(TProviderResource providerResource)
         {
             var providerDefinition = GetDefinition(providerResource, false);
 
@@ -79,10 +70,11 @@ namespace Prowlarr.Api.V1
 
             providerDefinition = _providerFactory.Create(providerDefinition);
 
-            return providerDefinition.Id;
+            return Created(providerDefinition.Id);
         }
 
-        private void UpdateProvider(TProviderResource providerResource)
+        [RestPutById]
+        public ActionResult<TProviderResource> UpdateProvider(TProviderResource providerResource)
         {
             var providerDefinition = GetDefinition(providerResource, false);
             var forceSave = Request.GetBooleanQueryParameter("forceSave");
@@ -94,6 +86,8 @@ namespace Prowlarr.Api.V1
             }
 
             _providerFactory.Update(providerDefinition);
+
+            return Accepted(providerResource.Id);
         }
 
         private TProviderDefinition GetDefinition(TProviderResource providerResource, bool includeWarnings = false, bool validate = true)
@@ -108,12 +102,15 @@ namespace Prowlarr.Api.V1
             return definition;
         }
 
-        private void DeleteProvider(int id)
+        [RestDeleteById]
+        public object DeleteProvider(int id)
         {
             _providerFactory.Delete(id);
+            return new object();
         }
 
-        protected virtual object GetTemplates()
+        [HttpGet("schema")]
+        public virtual List<TProviderResource> GetTemplates()
         {
             var defaultDefinitions = _providerFactory.GetDefaultDefinitions().OrderBy(p => p.ImplementationName).ToList();
 
@@ -134,7 +131,9 @@ namespace Prowlarr.Api.V1
             return result;
         }
 
-        private object Test(TProviderResource providerResource)
+        [SkipValidation(true, false)]
+        [HttpPost("test")]
+        public object Test([FromBody] TProviderResource providerResource)
         {
             var providerDefinition = GetDefinition(providerResource, true);
 
@@ -143,7 +142,8 @@ namespace Prowlarr.Api.V1
             return "{}";
         }
 
-        private object TestAll()
+        [HttpPost("testall")]
+        public IActionResult TestAll()
         {
             var providerDefinitions = _providerFactory.All()
                                                       .Where(c => c.Settings.Validate().IsValid && c.Enable)
@@ -161,19 +161,20 @@ namespace Prowlarr.Api.V1
                 });
             }
 
-            return ResponseWithCode(result, result.Any(c => !c.IsValid) ? HttpStatusCode.BadRequest : HttpStatusCode.OK);
+            return result.Any(c => !c.IsValid) ? BadRequest(result) : Ok(result);
         }
 
-        private object RequestAction(string action, TProviderResource providerResource)
+        [SkipValidation]
+        [HttpPost("action/{name}")]
+        public IActionResult RequestAction(string name, [FromBody] TProviderResource resource)
         {
-            var providerDefinition = GetDefinition(providerResource, true, false);
+            var providerDefinition = GetDefinition(resource, true, false);
+
+            var query = Request.Query.ToDictionary(x => x.Key, x => x.Value.ToString());
 
-            var query = ((IDictionary<string, object>)Request.Query.ToDictionary()).ToDictionary(k => k.Key, k => k.Value.ToString());
+            var data = _providerFactory.RequestAction(providerDefinition, name, query);
 
-            var data = _providerFactory.RequestAction(providerDefinition, action, query);
-            Response resp = data.ToJson();
-            resp.ContentType = "application/json";
-            return resp;
+            return Content(data.ToJson(), "application/json");
         }
 
         protected virtual void Validate(TProviderDefinition definition, bool includeWarnings)

src/Prowlarr.Api.V1/Prowlarr.Api.V1.csproj

@@ -5,9 +5,6 @@
   <ItemGroup>
     <PackageReference Include="FluentValidation" Version="8.6.2" />
     <PackageReference Include="Ical.Net" Version="4.1.11" />
-    <PackageReference Include="Nancy" Version="2.0.0" />
-    <PackageReference Include="Nancy.Authentication.Basic" Version="2.0.0" />
-    <PackageReference Include="Nancy.Authentication.Forms" Version="2.0.0" />
     <PackageReference Include="NLog" Version="4.7.7" />
   </ItemGroup>
   <ItemGroup>

src/Prowlarr.Api.V1/ProwlarrV1FeedModule.cs

@@ -1,12 +0,0 @@
-using Prowlarr.Http;
-
-namespace Prowlarr.Api.V1
-{
-    public abstract class ProwlarrV3FeedModule : ProwlarrModule
-    {
-        protected ProwlarrV3FeedModule(string resource)
-            : base("/feed/v1/" + resource.Trim('/'))
-        {
-        }
-    }
-}

src/Prowlarr.Api.V1/ProwlarrV1Module.cs

@@ -1,12 +0,0 @@
-using Prowlarr.Http;
-
-namespace Prowlarr.Api.V1
-{
-    public abstract class ProwlarrV1Module : ProwlarrModule
-    {
-        protected ProwlarrV1Module(string resource)
-            : base("/api/v1/" + resource.Trim('/'))
-        {
-        }
-    }
-}

src/Prowlarr.Api.V1/Search/SearchController.cs

@@ -1,47 +1,42 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Net;
-using Nancy.ModelBinding;
+using Microsoft.AspNetCore.Mvc;
 using NLog;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Exceptions;
 using NzbDrone.Core.IndexerSearch;
-using NzbDrone.Core.IndexerSearch.Definitions;
 using NzbDrone.Core.Parser.Model;
 using Prowlarr.Http;
 using Prowlarr.Http.Extensions;
 
 namespace Prowlarr.Api.V1.Search
 {
-    public class SearchModule : ProwlarrRestModule<SearchResource>
+    [V1ApiController]
+    public class SearchController : Controller
     {
         private readonly ISearchForNzb _nzbSearhService;
         private readonly Logger _logger;
 
-        public SearchModule(ISearchForNzb nzbSearhService, Logger logger)
+        public SearchController(ISearchForNzb nzbSearhService, Logger logger)
         {
             _nzbSearhService = nzbSearhService;
             _logger = logger;
-
-            GetResourceAll = GetAll;
         }
 
-        private List<SearchResource> GetAll()
+        [HttpGet]
+        public List<SearchResource> GetAll(string query, [FromQuery] List<int> indexerIds, [FromQuery] List<int> categories)
         {
-            var request = this.Bind<SearchRequest>();
-
-            if (request.Query.IsNotNullOrWhiteSpace())
+            if (query.IsNotNullOrWhiteSpace())
             {
-                var indexerIds = request.IndexerIds ?? new List<int>();
-                var categories = request.Categories ?? new List<int>();
-
-                if (indexerIds.Count > 0)
+                if (indexerIds.Any())
                 {
-                    return GetSearchReleases(request.Query, indexerIds, categories);
+                    return GetSearchReleases(query, indexerIds, categories);
                 }
                 else
                 {
-                    return GetSearchReleases(request.Query, null, categories);
+                    return GetSearchReleases(query, null, categories);
                 }
             }
 

src/Prowlarr.Api.V1/Search/SearchRequest.cs

@@ -1,11 +0,0 @@
-using System.Collections.Generic;
-
-namespace Prowlarr.Api.V1.Search
-{
-    public class SearchRequest
-    {
-        public List<int> IndexerIds { get; set; }
-        public string Query { get; set; }
-        public List<int> Categories { get; set; }
-    }
-}

src/Prowlarr.Api.V1/System/Backup/BackupController.cs

@@ -1,17 +1,20 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common.Crypto;
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Backup;
+using NzbDrone.Http.REST.Attributes;
 using Prowlarr.Http;
 using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1.System.Backup
 {
-    public class BackupModule : ProwlarrRestModule<BackupResource>
+    [V1ApiController("system/backup")]
+    public class BackupController : Controller
     {
         private readonly IBackupService _backupService;
         private readonly IAppFolderInfo _appFolderInfo;
@@ -19,21 +22,16 @@ namespace Prowlarr.Api.V1.System.Backup
 
         private static readonly List<string> ValidExtensions = new List<string> { ".zip", ".db", ".xml" };
 
-        public BackupModule(IBackupService backupService,
+        public BackupController(IBackupService backupService,
                             IAppFolderInfo appFolderInfo,
                             IDiskProvider diskProvider)
-            : base("system/backup")
         {
             _backupService = backupService;
             _appFolderInfo = appFolderInfo;
             _diskProvider = diskProvider;
-            GetResourceAll = GetBackupFiles;
-            DeleteResource = DeleteBackup;
-
-            Post(@"/restore/(?<id>[\d]{1,10})", x => Restore((int)x.Id));
-            Post("/restore/upload", x => UploadAndRestore());
         }
 
+        [HttpGet]
         public List<BackupResource> GetBackupFiles()
         {
             var backups = _backupService.GetBackups();
@@ -50,7 +48,8 @@ namespace Prowlarr.Api.V1.System.Backup
                                        .ToList();
         }
 
-        private void DeleteBackup(int id)
+        [RestDeleteById]
+        public void DeleteBackup(int id)
         {
             var backup = GetBackup(id);
             var path = GetBackupPath(backup);
@@ -63,6 +62,7 @@ namespace Prowlarr.Api.V1.System.Backup
             _diskProvider.DeleteFile(path);
         }
 
+        [HttpPost("restore/{id:int}")]
         public object Restore(int id)
         {
             var backup = GetBackup(id);
@@ -82,9 +82,10 @@ namespace Prowlarr.Api.V1.System.Backup
             };
         }
 
+        [HttpPost("restore/upload")]
         public object UploadAndRestore()
         {
-            var files = Context.Request.Files.ToList();
+            var files = Request.Form.Files;
 
             if (files.Empty())
             {
@@ -92,7 +93,7 @@ namespace Prowlarr.Api.V1.System.Backup
             }
 
             var file = files.First();
-            var extension = Path.GetExtension(file.Name);
+            var extension = Path.GetExtension(file.FileName);
 
             if (!ValidExtensions.Contains(extension))
             {
@@ -101,7 +102,7 @@ namespace Prowlarr.Api.V1.System.Backup
 
             var path = Path.Combine(_appFolderInfo.TempFolder, $"prowlarr_backup_restore{extension}");
 
-            _diskProvider.SaveStream(file.Value, path);
+            _diskProvider.SaveStream(file.OpenReadStream(), path);
             _backupService.Restore(path);
 
             // Cleanup restored file

src/Prowlarr.Api.V1/System/SystemController.cs

@@ -1,52 +1,60 @@
+using System.IO;
 using System.Threading.Tasks;
-using Nancy.Routing;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.AspNetCore.Routing.Internal;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Configuration;
 using NzbDrone.Core.Datastore;
 using NzbDrone.Core.Lifecycle;
+using Prowlarr.Http;
+using Prowlarr.Http.Validation;
 
 namespace Prowlarr.Api.V1.System
 {
-    public class SystemModule : ProwlarrV1Module
+    [V1ApiController]
+    public class SystemController : Controller
     {
         private readonly IAppFolderInfo _appFolderInfo;
         private readonly IRuntimeInfo _runtimeInfo;
         private readonly IPlatformInfo _platformInfo;
         private readonly IOsInfo _osInfo;
-        private readonly IRouteCacheProvider _routeCacheProvider;
         private readonly IConfigFileProvider _configFileProvider;
         private readonly IMainDatabase _database;
         private readonly ILifecycleService _lifecycleService;
         private readonly IDeploymentInfoProvider _deploymentInfoProvider;
+        private readonly EndpointDataSource _endpointData;
+        private readonly DfaGraphWriter _graphWriter;
+        private readonly DuplicateEndpointDetector _detector;
 
-        public SystemModule(IAppFolderInfo appFolderInfo,
-                            IRuntimeInfo runtimeInfo,
-                            IPlatformInfo platformInfo,
-                            IOsInfo osInfo,
-                            IRouteCacheProvider routeCacheProvider,
-                            IConfigFileProvider configFileProvider,
-                            IMainDatabase database,
-                            ILifecycleService lifecycleService,
-                            IDeploymentInfoProvider deploymentInfoProvider)
-            : base("system")
+        public SystemController(IAppFolderInfo appFolderInfo,
+                                IRuntimeInfo runtimeInfo,
+                                IPlatformInfo platformInfo,
+                                IOsInfo osInfo,
+                                IConfigFileProvider configFileProvider,
+                                IMainDatabase database,
+                                ILifecycleService lifecycleService,
+                                IDeploymentInfoProvider deploymentInfoProvider,
+                                EndpointDataSource endpoints,
+                                DfaGraphWriter graphWriter,
+                                DuplicateEndpointDetector detector)
         {
             _appFolderInfo = appFolderInfo;
             _runtimeInfo = runtimeInfo;
             _platformInfo = platformInfo;
             _osInfo = osInfo;
-            _routeCacheProvider = routeCacheProvider;
             _configFileProvider = configFileProvider;
             _database = database;
             _lifecycleService = lifecycleService;
             _deploymentInfoProvider = deploymentInfoProvider;
-            Get("/status", x => GetStatus());
-            Get("/routes", x => GetRoutes());
-            Post("/shutdown", x => Shutdown());
-            Post("/restart", x => Restart());
+            _endpointData = endpoints;
+            _graphWriter = graphWriter;
+            _detector = detector;
         }
 
-        private object GetStatus()
+        [HttpGet("status")]
+        public object GetStatus()
         {
             return new
             {
@@ -82,18 +90,32 @@ namespace Prowlarr.Api.V1.System
             };
         }
 
-        private object GetRoutes()
+        [HttpGet("routes")]
+        public IActionResult GetRoutes()
         {
-            return _routeCacheProvider.GetCache().Values;
+            using (var sw = new StringWriter())
+            {
+                _graphWriter.Write(_endpointData, sw);
+                var graph = sw.ToString();
+                return Content(graph, "text/plain");
+            }
+        }
+
+        [HttpGet("routes/duplicate")]
+        public object DuplicateRoutes()
+        {
+            return _detector.GetDuplicateEndpoints(_endpointData);
         }
 
-        private object Shutdown()
+        [HttpPost("shutdown")]
+        public object Shutdown()
         {
             Task.Factory.StartNew(() => _lifecycleService.Shutdown());
             return new { ShuttingDown = true };
         }
 
-        private object Restart()
+        [HttpPost("restart")]
+        public object Restart()
         {
             Task.Factory.StartNew(() => _lifecycleService.Restart());
             return new { Restarting = true };

src/Prowlarr.Api.V1/System/Tasks/TaskController.cs

@@ -1,27 +1,29 @@
 using System.Collections.Generic;
 using System.Linq;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Datastore.Events;
 using NzbDrone.Core.Jobs;
 using NzbDrone.Core.Messaging.Events;
 using NzbDrone.SignalR;
 using Prowlarr.Http;
+using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1.System.Tasks
 {
-    public class TaskModule : ProwlarrRestModuleWithSignalR<TaskResource, ScheduledTask>, IHandle<CommandExecutedEvent>
+    [V1ApiController("system/task")]
+    public class TaskController : RestControllerWithSignalR<TaskResource, ScheduledTask>, IHandle<CommandExecutedEvent>
     {
         private readonly ITaskManager _taskManager;
 
-        public TaskModule(ITaskManager taskManager, IBroadcastSignalRMessage broadcastSignalRMessage)
-            : base(broadcastSignalRMessage, "system/task")
+        public TaskController(ITaskManager taskManager, IBroadcastSignalRMessage broadcastSignalRMessage)
+            : base(broadcastSignalRMessage)
         {
             _taskManager = taskManager;
-            GetResourceAll = GetAll;
-            GetResourceById = GetTask;
         }
 
-        private List<TaskResource> GetAll()
+        [HttpGet]
+        public List<TaskResource> GetAll()
         {
             return _taskManager.GetAll()
                                .Select(ConvertToResource)
@@ -29,7 +31,7 @@ namespace Prowlarr.Api.V1.System.Tasks
                                .ToList();
         }
 
-        private TaskResource GetTask(int id)
+        public override TaskResource GetResourceById(int id)
         {
             var task = _taskManager.GetAll()
                                .SingleOrDefault(t => t.Id == id);
@@ -58,6 +60,7 @@ namespace Prowlarr.Api.V1.System.Tasks
             };
         }
 
+        [NonAction]
         public void Handle(CommandExecutedEvent message)
         {
             BroadcastResourceChange(ModelAction.Sync);

src/Prowlarr.Api.V1/Tags/TagController.cs

@@ -1,54 +1,59 @@
+using System;
 using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Datastore.Events;
 using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.Tags;
+using NzbDrone.Http.REST.Attributes;
 using NzbDrone.SignalR;
 using Prowlarr.Http;
+using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1.Tags
 {
-    public class TagModule : ProwlarrRestModuleWithSignalR<TagResource, Tag>, IHandle<TagsUpdatedEvent>
+    [V1ApiController]
+    public class TagController : RestControllerWithSignalR<TagResource, Tag>, IHandle<TagsUpdatedEvent>
     {
         private readonly ITagService _tagService;
 
-        public TagModule(IBroadcastSignalRMessage signalRBroadcaster,
+        public TagController(IBroadcastSignalRMessage signalRBroadcaster,
                          ITagService tagService)
             : base(signalRBroadcaster)
         {
             _tagService = tagService;
-
-            GetResourceById = GetById;
-            GetResourceAll = GetAll;
-            CreateResource = Create;
-            UpdateResource = Update;
-            DeleteResource = DeleteTag;
         }
 
-        private TagResource GetById(int id)
+        public override TagResource GetResourceById(int id)
         {
             return _tagService.GetTag(id).ToResource();
         }
 
-        private List<TagResource> GetAll()
+        [HttpGet]
+        public List<TagResource> GetAll()
         {
             return _tagService.All().ToResource();
         }
 
-        private int Create(TagResource resource)
+        [RestPostById]
+        public ActionResult<TagResource> Create(TagResource resource)
         {
-            return _tagService.Add(resource.ToModel()).Id;
+            return Created(_tagService.Add(resource.ToModel()).Id);
         }
 
-        private void Update(TagResource resource)
+        [RestPutById]
+        public ActionResult<TagResource> Update(TagResource resource)
         {
             _tagService.Update(resource.ToModel());
+            return Accepted(resource.Id);
         }
 
-        private void DeleteTag(int id)
+        [RestDeleteById]
+        public void DeleteTag(int id)
         {
             _tagService.Delete(id);
         }
 
+        [NonAction]
         public void Handle(TagsUpdatedEvent message)
         {
             BroadcastResourceChange(ModelAction.Sync);

src/Prowlarr.Api.V1/Tags/TagDetailsController.cs

@@ -1,28 +1,28 @@
 using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Tags;
 using Prowlarr.Http;
+using Prowlarr.Http.REST;
 
 namespace Prowlarr.Api.V1.Tags
 {
-    public class TagDetailsModule : ProwlarrRestModule<TagDetailsResource>
+    [V1ApiController("tag/detail")]
+    public class TagDetailsController : RestController<TagDetailsResource>
     {
         private readonly ITagService _tagService;
 
-        public TagDetailsModule(ITagService tagService)
-            : base("/tag/detail")
+        public TagDetailsController(ITagService tagService)
         {
             _tagService = tagService;
-
-            GetResourceById = GetById;
-            GetResourceAll = GetAll;
         }
 
-        private TagDetailsResource GetById(int id)
+        public override TagDetailsResource GetResourceById(int id)
         {
             return _tagService.Details(id).ToResource();
         }
 
-        private List<TagDetailsResource> GetAll()
+        [HttpGet]
+        public List<TagDetailsResource> GetAll()
         {
             return _tagService.Details().ToResource();
         }

src/Prowlarr.Api.V1/Update/UpdateController.cs

@@ -1,22 +1,24 @@
 using System.Collections.Generic;
 using System.Linq;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Core.Update;
 using Prowlarr.Http;
 
 namespace Prowlarr.Api.V1.Update
 {
-    public class UpdateModule : ProwlarrRestModule<UpdateResource>
+    [V1ApiController]
+    public class UpdateController : Controller
     {
         private readonly IRecentUpdateProvider _recentUpdateProvider;
 
-        public UpdateModule(IRecentUpdateProvider recentUpdateProvider)
+        public UpdateController(IRecentUpdateProvider recentUpdateProvider)
         {
             _recentUpdateProvider = recentUpdateProvider;
-            GetResourceAll = GetRecentUpdates;
         }
 
-        private List<UpdateResource> GetRecentUpdates()
+        [HttpGet]
+        public List<UpdateResource> GetRecentUpdates()
         {
             var resources = _recentUpdateProvider.GetRecentUpdatePackages()
                                                  .OrderByDescending(u => u.Version)

src/Prowlarr.Http/Authentication/ApiKeyAuthenticationHandler.cs

@@ -0,0 +1,89 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Claims;
+using System.Text.Encodings.Web;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+
+namespace Prowlarr.Http.Authentication
+{
+    public class ApiKeyAuthenticationOptions : AuthenticationSchemeOptions
+    {
+        public const string DefaultScheme = "API Key";
+        public string Scheme => DefaultScheme;
+        public string AuthenticationType = DefaultScheme;
+
+        public string HeaderName { get; set; }
+        public string QueryName { get; set; }
+        public string ApiKey { get; set; }
+    }
+
+    public class ApiKeyAuthenticationHandler : AuthenticationHandler<ApiKeyAuthenticationOptions>
+    {
+        public ApiKeyAuthenticationHandler(IOptionsMonitor<ApiKeyAuthenticationOptions> options,
+            ILoggerFactory logger,
+            UrlEncoder encoder,
+            ISystemClock clock)
+            : base(options, logger, encoder, clock)
+        {
+        }
+
+        private string ParseApiKey()
+        {
+            // Try query parameter
+            if (Request.Query.TryGetValue(Options.QueryName, out var value))
+            {
+                return value.FirstOrDefault();
+            }
+
+            // No ApiKey query parameter found try headers
+            if (Request.Headers.TryGetValue(Options.HeaderName, out var headerValue))
+            {
+                return headerValue.FirstOrDefault();
+            }
+
+            return Request.Headers["Authorization"].FirstOrDefault()?.Replace("Bearer ", "");
+        }
+
+        protected override Task<AuthenticateResult> HandleAuthenticateAsync()
+        {
+            var providedApiKey = ParseApiKey();
+
+            if (string.IsNullOrWhiteSpace(providedApiKey))
+            {
+                return Task.FromResult(AuthenticateResult.NoResult());
+            }
+
+            if (Options.ApiKey == providedApiKey)
+            {
+                var claims = new List<Claim>
+                {
+                    new Claim("ApiKey", "true")
+                };
+
+                var identity = new ClaimsIdentity(claims, Options.AuthenticationType);
+                var identities = new List<ClaimsIdentity> { identity };
+                var principal = new ClaimsPrincipal(identities);
+                var ticket = new AuthenticationTicket(principal, Options.Scheme);
+
+                return Task.FromResult(AuthenticateResult.Success(ticket));
+            }
+
+            return Task.FromResult(AuthenticateResult.NoResult());
+        }
+
+        protected override Task HandleChallengeAsync(AuthenticationProperties properties)
+        {
+            Response.StatusCode = 401;
+            return Task.CompletedTask;
+        }
+
+        protected override Task HandleForbiddenAsync(AuthenticationProperties properties)
+        {
+            Response.StatusCode = 403;
+            return Task.CompletedTask;
+        }
+    }
+}

src/Prowlarr.Http/Authentication/AuthenticationBuilderExtensions.cs

@@ -0,0 +1,65 @@
+using System;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.DependencyInjection;
+using NzbDrone.Core.Authentication;
+using NzbDrone.Core.Configuration;
+
+namespace Prowlarr.Http.Authentication
+{
+    public static class AuthenticationBuilderExtensions
+    {
+        public static AuthenticationBuilder AddApiKey(this AuthenticationBuilder authenticationBuilder, string name, Action<ApiKeyAuthenticationOptions> options)
+        {
+            return authenticationBuilder.AddScheme<ApiKeyAuthenticationOptions, ApiKeyAuthenticationHandler>(name, options);
+        }
+
+        public static AuthenticationBuilder AddBasicAuthentication(this AuthenticationBuilder authenticationBuilder)
+        {
+            return authenticationBuilder.AddScheme<AuthenticationSchemeOptions, BasicAuthenticationHandler>(AuthenticationType.Basic.ToString(), options => { });
+        }
+
+        public static AuthenticationBuilder AddNoAuthentication(this AuthenticationBuilder authenticationBuilder)
+        {
+            return authenticationBuilder.AddScheme<AuthenticationSchemeOptions, NoAuthenticationHandler>(AuthenticationType.None.ToString(), options => { });
+        }
+
+        public static AuthenticationBuilder AddAppAuthentication(this IServiceCollection services, IConfigFileProvider config)
+        {
+            var authBuilder = services.AddAuthentication(config.AuthenticationMethod.ToString());
+
+            if (config.AuthenticationMethod == AuthenticationType.Basic)
+            {
+                authBuilder.AddBasicAuthentication();
+            }
+            else if (config.AuthenticationMethod == AuthenticationType.Forms)
+            {
+                authBuilder.AddCookie(AuthenticationType.Forms.ToString(), options =>
+                {
+                    options.AccessDeniedPath = "/login?loginFailed=true";
+                    options.LoginPath = "/login";
+                    options.ExpireTimeSpan = TimeSpan.FromDays(7);
+                });
+            }
+            else
+            {
+                authBuilder.AddNoAuthentication();
+            }
+
+            authBuilder.AddApiKey("API", options =>
+            {
+                options.HeaderName = "X-Api-Key";
+                options.QueryName = "apikey";
+                options.ApiKey = config.ApiKey;
+            });
+
+            authBuilder.AddApiKey("SignalR", options =>
+            {
+                options.HeaderName = "X-Api-Key";
+                options.QueryName = "access_token";
+                options.ApiKey = config.ApiKey;
+            });
+
+            return authBuilder;
+        }
+    }
+}

src/Prowlarr.Http/Authentication/AuthenticationController.cs

@@ -0,0 +1,58 @@
+using System.Collections.Generic;
+using System.Security.Claims;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using NzbDrone.Core.Configuration;
+
+namespace Prowlarr.Http.Authentication
+{
+    [AllowAnonymous]
+    [ApiController]
+    public class AuthenticationController : Controller
+    {
+        private readonly IAuthenticationService _authService;
+        private readonly IConfigFileProvider _configFileProvider;
+
+        public AuthenticationController(IAuthenticationService authService, IConfigFileProvider configFileProvider)
+        {
+            _authService = authService;
+            _configFileProvider = configFileProvider;
+        }
+
+        [HttpPost("login")]
+        public async Task<IActionResult> Login([FromForm] LoginResource resource, [FromQuery] string returnUrl = null)
+        {
+            var user = _authService.Login(HttpContext.Request, resource.Username, resource.Password);
+
+            if (user == null)
+            {
+                return Redirect($"~/login?returnUrl={returnUrl}&loginFailed=true");
+            }
+
+            var claims = new List<Claim>
+            {
+                new Claim("user", user.Username),
+                new Claim("identifier", user.Identifier.ToString()),
+                new Claim("UiAuth", "true")
+            };
+
+            var authProperties = new AuthenticationProperties
+            {
+                IsPersistent = resource.RememberMe == "on"
+            };
+            await HttpContext.SignInAsync(new ClaimsPrincipal(new ClaimsIdentity(claims, "Cookies", "user", "identifier")), authProperties);
+
+            return Redirect("/");
+        }
+
+        [HttpGet("logout")]
+        public async Task<IActionResult> Logout()
+        {
+            _authService.Logout(HttpContext);
+            await HttpContext.SignOutAsync();
+            return Redirect("/");
+        }
+    }
+}

src/Prowlarr.Http/Authentication/AuthenticationModule.cs

@@ -1,50 +0,0 @@
-using System;
-using Nancy;
-using Nancy.Authentication.Forms;
-using Nancy.Extensions;
-using Nancy.ModelBinding;
-using NzbDrone.Core.Configuration;
-
-namespace Prowlarr.Http.Authentication
-{
-    public class AuthenticationModule : NancyModule
-    {
-        private readonly IAuthenticationService _authService;
-        private readonly IConfigFileProvider _configFileProvider;
-
-        public AuthenticationModule(IAuthenticationService authService, IConfigFileProvider configFileProvider)
-        {
-            _authService = authService;
-            _configFileProvider = configFileProvider;
-            Post("/login", x => Login(this.Bind<LoginResource>()));
-            Get("/logout", x => Logout());
-        }
-
-        private Response Login(LoginResource resource)
-        {
-            var user = _authService.Login(Context, resource.Username, resource.Password);
-
-            if (user == null)
-            {
-                var returnUrl = (string)Request.Query.returnUrl;
-                return Context.GetRedirect($"~/login?returnUrl={returnUrl}&loginFailed=true");
-            }
-
-            DateTime? expiry = null;
-
-            if (resource.RememberMe)
-            {
-                expiry = DateTime.UtcNow.AddDays(7);
-            }
-
-            return this.LoginAndRedirect(user.Identifier, expiry, _configFileProvider.UrlBase + "/");
-        }
-
-        private Response Logout()
-        {
-            _authService.Logout(Context);
-
-            return this.LogoutAndRedirect(_configFileProvider.UrlBase + "/");
-        }
-    }
-}

src/Prowlarr.Http/Authentication/AuthenticationService.cs

@@ -1,26 +1,16 @@
-using System;
-using System.Linq;
-using System.Security.Claims;
-using System.Security.Principal;
-using Nancy;
-using Nancy.Authentication.Basic;
-using Nancy.Authentication.Forms;
+using Microsoft.AspNetCore.Http;
 using NLog;
-using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Authentication;
 using NzbDrone.Core.Configuration;
 using Prowlarr.Http.Extensions;
 
 namespace Prowlarr.Http.Authentication
 {
-    public interface IAuthenticationService : IUserValidator, IUserMapper
+    public interface IAuthenticationService
     {
-        void SetContext(NancyContext context);
-
-        void LogUnauthorized(NancyContext context);
-        User Login(NancyContext context, string username, string password);
-        void Logout(NancyContext context);
-        bool IsAuthenticated(NancyContext context);
+        void LogUnauthorized(HttpRequest context);
+        User Login(HttpRequest request, string username, string password);
+        void Logout(HttpContext context);
     }
 
     public class AuthenticationService : IAuthenticationService
@@ -32,9 +22,6 @@ namespace Prowlarr.Http.Authentication
         private static string API_KEY;
         private static AuthenticationType AUTH_METHOD;
 
-        [ThreadStatic]
-        private static NancyContext _context;
-
         public AuthenticationService(IConfigFileProvider configFileProvider, IUserService userService)
         {
             _userService = userService;
@@ -42,13 +29,7 @@ namespace Prowlarr.Http.Authentication
             AUTH_METHOD = configFileProvider.AuthenticationMethod;
         }
 
-        public void SetContext(NancyContext context)
-        {
-            // Validate and GetUserIdentifier don't have access to the NancyContext so get it from the pipeline earlier
-            _context = context;
-        }
-
-        public User Login(NancyContext context, string username, string password)
+        public User Login(HttpRequest request, string username, string password)
         {
             if (AUTH_METHOD == AuthenticationType.None)
             {
@@ -59,174 +40,50 @@ namespace Prowlarr.Http.Authentication
 
             if (user != null)
             {
-                LogSuccess(context, username);
+                LogSuccess(request, username);
 
                 return user;
             }
 
-            LogFailure(context, username);
+            LogFailure(request, username);
 
             return null;
         }
 
-        public void Logout(NancyContext context)
+        public void Logout(HttpContext context)
         {
             if (AUTH_METHOD == AuthenticationType.None)
             {
                 return;
             }
 
-            if (context.CurrentUser != null)
-            {
-                LogLogout(context, context.CurrentUser.Identity.Name);
-            }
-        }
-
-        public ClaimsPrincipal Validate(string username, string password)
-        {
-            if (AUTH_METHOD == AuthenticationType.None)
-            {
-                return new ClaimsPrincipal(new GenericIdentity(AnonymousUser));
-            }
-
-            var user = _userService.FindUser(username, password);
-
-            if (user != null)
-            {
-                if (AUTH_METHOD != AuthenticationType.Basic)
-                {
-                    // Don't log success for basic auth
-                    LogSuccess(_context, username);
-                }
-
-                return new ClaimsPrincipal(new GenericIdentity(user.Username));
-            }
-
-            LogFailure(_context, username);
-
-            return null;
-        }
-
-        public ClaimsPrincipal GetUserFromIdentifier(Guid identifier, NancyContext context)
-        {
-            if (AUTH_METHOD == AuthenticationType.None)
-            {
-                return new ClaimsPrincipal(new GenericIdentity(AnonymousUser));
-            }
-
-            var user = _userService.FindUser(identifier);
-
-            if (user != null)
-            {
-                return new ClaimsPrincipal(new GenericIdentity(user.Username));
-            }
-
-            LogInvalidated(_context);
-
-            return null;
-        }
-
-        public bool IsAuthenticated(NancyContext context)
-        {
-            var apiKey = GetApiKey(context);
-
-            if (context.Request.IsApiRequest())
+            if (context.User != null)
             {
-                return ValidApiKey(apiKey);
+                LogLogout(context.Request, context.User.Identity.Name);
             }
-
-            if (AUTH_METHOD == AuthenticationType.None)
-            {
-                return true;
-            }
-
-            if (context.Request.IsFeedRequest())
-            {
-                if (ValidUser(context) || ValidApiKey(apiKey))
-                {
-                    return true;
-                }
-
-                return false;
-            }
-
-            if (context.Request.IsLoginRequest())
-            {
-                return true;
-            }
-
-            if (context.Request.IsContentRequest())
-            {
-                return true;
-            }
-
-            if (ValidUser(context))
-            {
-                return true;
-            }
-
-            return false;
-        }
-
-        private bool ValidUser(NancyContext context)
-        {
-            if (context.CurrentUser != null)
-            {
-                return true;
-            }
-
-            return false;
-        }
-
-        private bool ValidApiKey(string apiKey)
-        {
-            if (API_KEY.Equals(apiKey))
-            {
-                return true;
-            }
-
-            return false;
-        }
-
-        private string GetApiKey(NancyContext context)
-        {
-            var apiKeyHeader = context.Request.Headers["X-Api-Key"].FirstOrDefault();
-            var apiKeyQueryString = context.Request.Query["ApiKey"];
-
-            if (!apiKeyHeader.IsNullOrWhiteSpace())
-            {
-                return apiKeyHeader;
-            }
-
-            if (apiKeyQueryString.HasValue)
-            {
-                return apiKeyQueryString.Value;
-            }
-
-            return context.Request.Headers.Authorization;
         }
 
-        public void LogUnauthorized(NancyContext context)
+        public void LogUnauthorized(HttpRequest context)
         {
-            _authLogger.Info("Auth-Unauthorized ip {0} url '{1}'", context.GetRemoteIP(), context.Request.Url.ToString());
+            _authLogger.Info("Auth-Unauthorized ip {0} url '{1}'", context.GetRemoteIP(), context.Path);
         }
 
-        private void LogInvalidated(NancyContext context)
+        private void LogInvalidated(HttpRequest context)
         {
             _authLogger.Info("Auth-Invalidated ip {0}", context.GetRemoteIP());
         }
 
-        private void LogFailure(NancyContext context, string username)
+        private void LogFailure(HttpRequest context, string username)
         {
             _authLogger.Warn("Auth-Failure ip {0} username '{1}'", context.GetRemoteIP(), username);
         }
 
-        private void LogSuccess(NancyContext context, string username)
+        private void LogSuccess(HttpRequest context, string username)
         {
             _authLogger.Info("Auth-Success ip {0} username '{1}'", context.GetRemoteIP(), username);
         }
 
-        private void LogLogout(NancyContext context, string username)
+        private void LogLogout(HttpRequest context, string username)
         {
             _authLogger.Info("Auth-Logout ip {0} username '{1}'", context.GetRemoteIP(), username);
         }

src/Prowlarr.Http/Authentication/BasicAuthenticationHandler.cs

@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.Security.Claims;
+using System.Text;
+using System.Text.Encodings.Web;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using NzbDrone.Common.EnvironmentInfo;
+
+namespace Prowlarr.Http.Authentication
+{
+    public class BasicAuthenticationHandler : AuthenticationHandler<AuthenticationSchemeOptions>
+    {
+        private readonly IAuthenticationService _authService;
+
+        public BasicAuthenticationHandler(IAuthenticationService authService,
+            IOptionsMonitor<AuthenticationSchemeOptions> options,
+            ILoggerFactory logger,
+            UrlEncoder encoder,
+            ISystemClock clock)
+            : base(options, logger, encoder, clock)
+        {
+            _authService = authService;
+        }
+
+        protected override Task<AuthenticateResult> HandleAuthenticateAsync()
+        {
+            if (!Request.Headers.ContainsKey("Authorization"))
+            {
+                return Task.FromResult(AuthenticateResult.Fail("Authorization header missing."));
+            }
+
+            // Get authorization key
+            var authorizationHeader = Request.Headers["Authorization"].ToString();
+            var authHeaderRegex = new Regex(@"Basic (.*)");
+
+            if (!authHeaderRegex.IsMatch(authorizationHeader))
+            {
+                return Task.FromResult(AuthenticateResult.Fail("Authorization code not formatted properly."));
+            }
+
+            var authBase64 = Encoding.UTF8.GetString(Convert.FromBase64String(authHeaderRegex.Replace(authorizationHeader, "$1")));
+            var authSplit = authBase64.Split(':', 2);
+            var authUsername = authSplit[0];
+            var authPassword = authSplit.Length > 1 ? authSplit[1] : throw new Exception("Unable to get password");
+
+            var user = _authService.Login(Request, authUsername, authPassword);
+
+            if (user == null)
+            {
+                return Task.FromResult(AuthenticateResult.Fail("The username or password is not correct."));
+            }
+
+            var claims = new List<Claim>
+            {
+                new Claim("user", user.Username),
+                new Claim("identifier", user.Identifier.ToString()),
+                new Claim("UiAuth", "true")
+            };
+
+            var identity = new ClaimsIdentity(claims, "Basic", "user", "identifier");
+            var principal = new ClaimsPrincipal(identity);
+            var ticket = new AuthenticationTicket(principal, "Basic");
+
+            return Task.FromResult(AuthenticateResult.Success(ticket));
+        }
+
+        protected override Task HandleChallengeAsync(AuthenticationProperties properties)
+        {
+            Response.Headers.Add("WWW-Authenticate", $"Basic realm=\"{BuildInfo.AppName}\"");
+            Response.StatusCode = 401;
+            return Task.CompletedTask;
+        }
+
+        protected override Task HandleForbiddenAsync(AuthenticationProperties properties)
+        {
+            Response.StatusCode = 403;
+            return Task.CompletedTask;
+        }
+    }
+}

src/Prowlarr.Http/Authentication/EnableAuthInNancy.cs

@@ -1,142 +0,0 @@
-using System;
-using System.Text;
-using Nancy;
-using Nancy.Authentication.Basic;
-using Nancy.Authentication.Forms;
-using Nancy.Bootstrapper;
-using Nancy.Cookies;
-using Nancy.Cryptography;
-using NzbDrone.Common.Extensions;
-using NzbDrone.Core.Authentication;
-using NzbDrone.Core.Configuration;
-using Prowlarr.Http.Extensions;
-using Prowlarr.Http.Extensions.Pipelines;
-
-namespace Prowlarr.Http.Authentication
-{
-    public class EnableAuthInNancy : IRegisterNancyPipeline
-    {
-        private readonly IAuthenticationService _authenticationService;
-        private readonly IConfigService _configService;
-        private readonly IConfigFileProvider _configFileProvider;
-        private FormsAuthenticationConfiguration _formsAuthConfig;
-
-        public EnableAuthInNancy(IAuthenticationService authenticationService,
-                                 IConfigService configService,
-                                 IConfigFileProvider configFileProvider)
-        {
-            _authenticationService = authenticationService;
-            _configService = configService;
-            _configFileProvider = configFileProvider;
-        }
-
-        public int Order => 10;
-
-        public void Register(IPipelines pipelines)
-        {
-            if (_configFileProvider.AuthenticationMethod == AuthenticationType.Forms)
-            {
-                RegisterFormsAuth(pipelines);
-                pipelines.AfterRequest.AddItemToEndOfPipeline((Action<NancyContext>)SlidingAuthenticationForFormsAuth);
-            }
-            else if (_configFileProvider.AuthenticationMethod == AuthenticationType.Basic)
-            {
-                pipelines.EnableBasicAuthentication(new BasicAuthenticationConfiguration(_authenticationService, "Prowlarr"));
-                pipelines.BeforeRequest.AddItemToStartOfPipeline(CaptureContext);
-            }
-
-            pipelines.BeforeRequest.AddItemToEndOfPipeline((Func<NancyContext, Response>)RequiresAuthentication);
-            pipelines.AfterRequest.AddItemToEndOfPipeline((Action<NancyContext>)RemoveLoginHooksForApiCalls);
-        }
-
-        private Response CaptureContext(NancyContext context)
-        {
-            _authenticationService.SetContext(context);
-
-            return null;
-        }
-
-        private Response RequiresAuthentication(NancyContext context)
-        {
-            Response response = null;
-
-            if (!_authenticationService.IsAuthenticated(context))
-            {
-                _authenticationService.LogUnauthorized(context);
-                response = new Response { StatusCode = HttpStatusCode.Unauthorized };
-            }
-
-            return response;
-        }
-
-        private void RegisterFormsAuth(IPipelines pipelines)
-        {
-            FormsAuthentication.FormsAuthenticationCookieName = "ProwlarrAuth";
-
-            var cryptographyConfiguration = new CryptographyConfiguration(
-                    new AesEncryptionProvider(new PassphraseKeyGenerator(_configService.RijndaelPassphrase, Encoding.ASCII.GetBytes(_configService.RijndaelSalt))),
-                    new DefaultHmacProvider(new PassphraseKeyGenerator(_configService.HmacPassphrase, Encoding.ASCII.GetBytes(_configService.HmacSalt))));
-
-            _formsAuthConfig = new FormsAuthenticationConfiguration
-            {
-                RedirectUrl = _configFileProvider.UrlBase + "/login",
-                UserMapper = _authenticationService,
-                Path = GetCookiePath(),
-                CryptographyConfiguration = cryptographyConfiguration
-            };
-
-            FormsAuthentication.Enable(pipelines, _formsAuthConfig);
-        }
-
-        private void RemoveLoginHooksForApiCalls(NancyContext context)
-        {
-            if (context.Request.IsApiRequest())
-            {
-                if ((context.Response.StatusCode == HttpStatusCode.SeeOther &&
-                     context.Response.Headers["Location"].StartsWith($"{_configFileProvider.UrlBase}/login", StringComparison.InvariantCultureIgnoreCase)) ||
-                    context.Response.StatusCode == HttpStatusCode.Unauthorized)
-                {
-                    context.Response = new { Error = "Unauthorized" }.AsResponse(context, HttpStatusCode.Unauthorized);
-                }
-            }
-        }
-
-        private void SlidingAuthenticationForFormsAuth(NancyContext context)
-        {
-            if (context.CurrentUser == null)
-            {
-                return;
-            }
-
-            var formsAuthCookieName = FormsAuthentication.FormsAuthenticationCookieName;
-
-            if (!context.Request.Path.Equals("/logout") &&
-                context.Request.Cookies.ContainsKey(formsAuthCookieName))
-            {
-                var formsAuthCookieValue = context.Request.Cookies[formsAuthCookieName];
-
-                if (FormsAuthentication.DecryptAndValidateAuthenticationCookie(formsAuthCookieValue, _formsAuthConfig).IsNotNullOrWhiteSpace())
-                {
-                    var formsAuthCookie = new NancyCookie(formsAuthCookieName, formsAuthCookieValue, true, false, DateTime.UtcNow.AddDays(7))
-                    {
-                        Path = GetCookiePath()
-                    };
-
-                    context.Response.WithCookie(formsAuthCookie);
-                }
-            }
-        }
-
-        private string GetCookiePath()
-        {
-            var urlBase = _configFileProvider.UrlBase;
-
-            if (urlBase.IsNullOrWhiteSpace())
-            {
-                return "/";
-            }
-
-            return urlBase;
-        }
-    }
-}

src/Prowlarr.Http/Authentication/LoginResource.cs

@@ -4,6 +4,6 @@
     {
         public string Username { get; set; }
         public string Password { get; set; }
-        public bool RememberMe { get; set; }
+        public string RememberMe { get; set; }
     }
 }

src/Prowlarr.Http/Authentication/NoAuthenticationHandler.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.Security.Claims;
+using System.Text.Encodings.Web;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+
+namespace Prowlarr.Http.Authentication
+{
+    public class NoAuthenticationHandler : AuthenticationHandler<AuthenticationSchemeOptions>
+    {
+        public NoAuthenticationHandler(IAuthenticationService authService,
+            IOptionsMonitor<AuthenticationSchemeOptions> options,
+            ILoggerFactory logger,
+            UrlEncoder encoder,
+            ISystemClock clock)
+            : base(options, logger, encoder, clock)
+        {
+        }
+
+        protected override Task<AuthenticateResult> HandleAuthenticateAsync()
+        {
+            var claims = new List<Claim>
+            {
+                new Claim("user", "Anonymous"),
+                new Claim("UiAuth", "true")
+            };
+
+            var identity = new ClaimsIdentity(claims, "NoAuth", "user", "identifier");
+            var principal = new ClaimsPrincipal(identity);
+            var ticket = new AuthenticationTicket(principal, "NoAuth");
+
+            return Task.FromResult(AuthenticateResult.Success(ticket));
+        }
+    }
+}

src/Prowlarr.Http/ErrorManagement/ErrorHandler.cs

@@ -1,41 +0,0 @@
-using Nancy;
-using Nancy.ErrorHandling;
-using Prowlarr.Http.Extensions;
-
-namespace Prowlarr.Http.ErrorManagement
-{
-    public class ErrorHandler : IStatusCodeHandler
-    {
-        public bool HandlesStatusCode(HttpStatusCode statusCode, NancyContext context)
-        {
-            return true;
-        }
-
-        public void Handle(HttpStatusCode statusCode, NancyContext context)
-        {
-            if (statusCode == HttpStatusCode.SeeOther || statusCode == HttpStatusCode.MovedPermanently || statusCode == HttpStatusCode.OK)
-            {
-                return;
-            }
-
-            if (statusCode == HttpStatusCode.Continue)
-            {
-                context.Response = new Response { StatusCode = statusCode };
-                return;
-            }
-
-            if (statusCode == HttpStatusCode.Unauthorized)
-            {
-                return;
-            }
-
-            if (context.Response.ContentType == "text/html" || context.Response.ContentType == "text/plain")
-            {
-                context.Response = new ErrorModel
-                {
-                    Message = statusCode.ToString()
-                }.AsResponse(context, statusCode);
-            }
-        }
-    }
-}

src/Prowlarr.Http/ErrorManagement/ErrorModel.cs

@@ -1,4 +1,8 @@
-using Prowlarr.Http.Exceptions;
+using System.Net;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using NzbDrone.Common.Serializer;
+using Prowlarr.Http.Exceptions;
 
 namespace Prowlarr.Http.ErrorManagement
 {
@@ -17,5 +21,12 @@ namespace Prowlarr.Http.ErrorManagement
         public ErrorModel()
         {
         }
+
+        public Task WriteToResponse(HttpResponse response, HttpStatusCode statusCode = HttpStatusCode.InternalServerError)
+        {
+            response.StatusCode = (int)statusCode;
+            response.ContentType = "application/json";
+            return STJson.SerializeAsync(this, response.Body);
+        }
     }
 }

src/Prowlarr.Http/ErrorManagement/ProwlarrErrorPipeline.cs

@@ -1,15 +1,14 @@
-using System;
 using System.Data.SQLite;
+using System.Net;
+using System.Threading.Tasks;
 using FluentValidation;
-using Nancy;
-using Nancy.Extensions;
-using Nancy.IO;
+using Microsoft.AspNetCore.Diagnostics;
+using Microsoft.AspNetCore.Http;
 using NLog;
+using NzbDrone.Common.Serializer;
 using NzbDrone.Core.Datastore;
 using NzbDrone.Core.Exceptions;
 using Prowlarr.Http.Exceptions;
-using Prowlarr.Http.Extensions;
-using HttpStatusCode = Nancy.HttpStatusCode;
 
 namespace Prowlarr.Http.ErrorManagement
 {
@@ -22,63 +21,81 @@ namespace Prowlarr.Http.ErrorManagement
             _logger = logger;
         }
 
-        public Response HandleException(NancyContext context, Exception exception)
+        public async Task HandleException(HttpContext context)
         {
             _logger.Trace("Handling Exception");
 
+            var response = context.Response;
+            var exceptionHandlerPathFeature = context.Features.Get<IExceptionHandlerPathFeature>();
+            var exception = exceptionHandlerPathFeature?.Error;
+
+            _logger.Warn(exception);
+
+            var statusCode = HttpStatusCode.InternalServerError;
+            var errorModel = new ErrorModel
+            {
+                Message = exception.Message,
+                Description = exception.ToString()
+            };
+
             if (exception is ApiException apiException)
             {
                 _logger.Warn(apiException, "API Error:\n{0}", apiException.Message);
-                var body = RequestStream.FromStream(context.Request.Body).AsString();
-                _logger.Trace("Request body:\n{0}", body);
 
-                return apiException.ToErrorResponse(context);
-            }
+                /* var body = RequestStream.FromStream(context.Request.Body).AsString();
+                 _logger.Trace("Request body:\n{0}", body);*/
 
-            if (exception is ValidationException validationException)
+                errorModel = new ErrorModel(apiException);
+                statusCode = apiException.StatusCode;
+            }
+            else if (exception is ValidationException validationException)
             {
                 _logger.Warn("Invalid request {0}", validationException.Message);
 
-                return validationException.Errors.AsResponse(context, HttpStatusCode.BadRequest);
+                response.StatusCode = (int)HttpStatusCode.BadRequest;
+                response.ContentType = "application/json";
+                await response.WriteAsync(STJson.ToJson(validationException.Errors));
+                return;
             }
-
-            if (exception is NzbDroneClientException clientException)
+            else if (exception is NzbDroneClientException clientException)
             {
-                return new ErrorModel
+                errorModel = new ErrorModel
                 {
                     Message = exception.Message,
                     Description = exception.ToString()
-                }.AsResponse(context, (HttpStatusCode)clientException.StatusCode);
+                };
+                statusCode = clientException.StatusCode;
             }
-
-            if (exception is ModelNotFoundException notFoundException)
+            else if (exception is ModelNotFoundException notFoundException)
             {
-                return new ErrorModel
+                errorModel = new ErrorModel
                 {
                     Message = exception.Message,
                     Description = exception.ToString()
-                }.AsResponse(context, HttpStatusCode.NotFound);
+                };
+                statusCode = HttpStatusCode.NotFound;
             }
-
-            if (exception is ModelConflictException conflictException)
+            else if (exception is ModelConflictException conflictException)
             {
-                return new ErrorModel
+                _logger.Error(exception, "DB error");
+                errorModel = new ErrorModel
                 {
                     Message = exception.Message,
                     Description = exception.ToString()
-                }.AsResponse(context, HttpStatusCode.Conflict);
+                };
+                statusCode = HttpStatusCode.Conflict;
             }
-
-            if (exception is SQLiteException sqLiteException)
+            else if (exception is SQLiteException sqLiteException)
             {
                 if (context.Request.Method == "PUT" || context.Request.Method == "POST")
                 {
                     if (sqLiteException.Message.Contains("constraint failed"))
                     {
-                        return new ErrorModel
+                        errorModel = new ErrorModel
                         {
                             Message = exception.Message,
-                        }.AsResponse(context, HttpStatusCode.Conflict);
+                        };
+                        statusCode = HttpStatusCode.Conflict;
                     }
                 }
 
@@ -87,11 +104,7 @@ namespace Prowlarr.Http.ErrorManagement
 
             _logger.Fatal(exception, "Request Failed. {0} {1}", context.Request.Method, context.Request.Path);
 
-            return new ErrorModel
-            {
-                Message = exception.Message,
-                Description = exception.ToString()
-            }.AsResponse(context, HttpStatusCode.InternalServerError);
+            await errorModel.WriteToResponse(response, statusCode);
         }
     }
 }

src/Prowlarr.Http/Exceptions/ApiException.cs

@@ -1,8 +1,5 @@
 using System;
-using Nancy;
-using Nancy.Responses;
-using Prowlarr.Http.ErrorManagement;
-using Prowlarr.Http.Extensions;
+using System.Net;
 
 namespace Prowlarr.Http.Exceptions
 {
@@ -19,11 +16,6 @@ namespace Prowlarr.Http.Exceptions
             Content = content;
         }
 
-        public JsonResponse<ErrorModel> ToErrorResponse(NancyContext context)
-        {
-            return new ErrorModel(this).AsResponse(context, StatusCode);
-        }
-
         private static string GetMessage(HttpStatusCode statusCode, object content)
         {
             var result = statusCode.ToString();

src/Prowlarr.Http/Extensions/NancyJsonSerializer.cs

@@ -1,31 +0,0 @@
-using System.Collections.Generic;
-using System.IO;
-using System.Text.Json;
-using Nancy;
-using Nancy.Responses.Negotiation;
-using NzbDrone.Common.Serializer;
-
-namespace Prowlarr.Http.Extensions
-{
-    public class NancyJsonSerializer : ISerializer
-    {
-        protected readonly JsonSerializerOptions _serializerSettings;
-
-        public NancyJsonSerializer()
-        {
-            _serializerSettings = STJson.GetSerializerSettings();
-        }
-
-        public bool CanSerialize(MediaRange contentType)
-        {
-            return contentType == "application/json";
-        }
-
-        public void Serialize<TModel>(MediaRange contentType, TModel model, Stream outputStream)
-        {
-            STJson.Serialize(model, outputStream, _serializerSettings);
-        }
-
-        public IEnumerable<string> Extensions { get; private set; }
-    }
-}

src/Prowlarr.Http/Extensions/Pipelines/CacheHeaderPipeline.cs

@@ -1,41 +0,0 @@
-using System;
-using Nancy;
-using Nancy.Bootstrapper;
-using Prowlarr.Http.Frontend;
-
-namespace Prowlarr.Http.Extensions.Pipelines
-{
-    public class CacheHeaderPipeline : IRegisterNancyPipeline
-    {
-        private readonly ICacheableSpecification _cacheableSpecification;
-
-        public CacheHeaderPipeline(ICacheableSpecification cacheableSpecification)
-        {
-            _cacheableSpecification = cacheableSpecification;
-        }
-
-        public int Order => 0;
-
-        public void Register(IPipelines pipelines)
-        {
-            pipelines.AfterRequest.AddItemToStartOfPipeline((Action<NancyContext>)Handle);
-        }
-
-        private void Handle(NancyContext context)
-        {
-            if (context.Request.Method == "OPTIONS")
-            {
-                return;
-            }
-
-            if (_cacheableSpecification.IsCacheable(context))
-            {
-                context.Response.Headers.EnableCache();
-            }
-            else
-            {
-                context.Response.Headers.DisableCache();
-            }
-        }
-    }
-}

src/Prowlarr.Http/Extensions/Pipelines/CorsPipeline.cs

@@ -1,80 +0,0 @@
-using System.Linq;
-using Nancy;
-using Nancy.Bootstrapper;
-using NzbDrone.Common.Extensions;
-
-namespace Prowlarr.Http.Extensions.Pipelines
-{
-    public class CorsPipeline : IRegisterNancyPipeline
-    {
-        public int Order => 0;
-
-        public void Register(IPipelines pipelines)
-        {
-            pipelines.BeforeRequest.AddItemToEndOfPipeline(HandleRequest);
-            pipelines.AfterRequest.AddItemToEndOfPipeline(HandleResponse);
-        }
-
-        private Response HandleRequest(NancyContext context)
-        {
-            if (context == null || context.Request.Method != "OPTIONS")
-            {
-                return null;
-            }
-
-            var response = new Response()
-                .WithStatusCode(HttpStatusCode.OK)
-                .WithContentType("");
-            ApplyResponseHeaders(response, context.Request);
-            return response;
-        }
-
-        private void HandleResponse(NancyContext context)
-        {
-            if (context == null || context.Response.Headers.ContainsKey(AccessControlHeaders.AllowOrigin))
-            {
-                return;
-            }
-
-            ApplyResponseHeaders(context.Response, context.Request);
-        }
-
-        private static void ApplyResponseHeaders(Response response, Request request)
-        {
-            if (request.IsApiRequest())
-            {
-                // Allow Cross-Origin access to the API since it's protected with the apikey, and nothing else.
-                ApplyCorsResponseHeaders(response, request, "*", "GET, OPTIONS, PATCH, POST, PUT, DELETE");
-            }
-            else if (request.IsSharedContentRequest())
-            {
-                // Allow Cross-Origin access to specific shared content such as mediacovers and images.
-                ApplyCorsResponseHeaders(response, request, "*", "GET, OPTIONS");
-            }
-
-            // Disallow Cross-Origin access for any other route.
-        }
-
-        private static void ApplyCorsResponseHeaders(Response response, Request request, string allowOrigin, string allowedMethods)
-        {
-            response.Headers.Add(AccessControlHeaders.AllowOrigin, allowOrigin);
-
-            if (request.Method == "OPTIONS")
-            {
-                if (response.Headers.ContainsKey("Allow"))
-                {
-                    allowedMethods = response.Headers["Allow"];
-                }
-
-                response.Headers.Add(AccessControlHeaders.AllowMethods, allowedMethods);
-
-                if (request.Headers[AccessControlHeaders.RequestHeaders].Any())
-                {
-                    var requestedHeaders = request.Headers[AccessControlHeaders.RequestHeaders].Join(", ");
-
-                    response.Headers.Add(AccessControlHeaders.AllowHeaders, requestedHeaders);
-                }
-            }
-        }
-    }
-}

src/Prowlarr.Http/Extensions/Pipelines/GZipPipeline.cs

@@ -1,104 +0,0 @@
-using System;
-using System.IO;
-using System.IO.Compression;
-using System.Linq;
-using Nancy;
-using Nancy.Bootstrapper;
-using NLog;
-using NzbDrone.Common.EnvironmentInfo;
-
-namespace Prowlarr.Http.Extensions.Pipelines
-{
-    public class GzipCompressionPipeline : IRegisterNancyPipeline
-    {
-        private readonly Logger _logger;
-
-        public int Order => 0;
-
-        private readonly Action<Action<Stream>, Stream> _writeGZipStream;
-
-        public GzipCompressionPipeline(Logger logger)
-        {
-            _logger = logger;
-
-            // On Mono GZipStream/DeflateStream leaks memory if an exception is thrown, use an intermediate buffer in that case.
-            _writeGZipStream = PlatformInfo.IsMono ? WriteGZipStreamMono : (Action<Action<Stream>, Stream>)WriteGZipStream;
-        }
-
-        public void Register(IPipelines pipelines)
-        {
-            pipelines.AfterRequest.AddItemToEndOfPipeline(CompressResponse);
-        }
-
-        private void CompressResponse(NancyContext context)
-        {
-            var request = context.Request;
-            var response = context.Response;
-
-            try
-            {
-                if (
-                   response.Contents != Response.NoBody
-                && !response.ContentType.Contains("image")
-                && !response.ContentType.Contains("font")
-                && request.Headers.AcceptEncoding.Any(x => x.Contains("gzip"))
-                && !AlreadyGzipEncoded(response)
-                && !ContentLengthIsTooSmall(response))
-                {
-                    var contents = response.Contents;
-
-                    response.Headers["Content-Encoding"] = "gzip";
-                    response.Contents = responseStream => _writeGZipStream(contents, responseStream);
-                }
-            }
-            catch (Exception ex)
-            {
-                _logger.Error(ex, "Unable to gzip response");
-                throw;
-            }
-        }
-
-        private static void WriteGZipStreamMono(Action<Stream> innerContent, Stream targetStream)
-        {
-            using (var membuffer = new MemoryStream())
-            {
-                WriteGZipStream(innerContent, membuffer);
-                membuffer.Position = 0;
-                membuffer.CopyTo(targetStream);
-            }
-        }
-
-        private static void WriteGZipStream(Action<Stream> innerContent, Stream targetStream)
-        {
-            using (var gzip = new GZipStream(targetStream, CompressionMode.Compress, true))
-            using (var buffered = new BufferedStream(gzip, 8192))
-            {
-                innerContent.Invoke(buffered);
-            }
-        }
-
-        private static bool ContentLengthIsTooSmall(Response response)
-        {
-            var contentLength = response.Headers.TryGetValue("Content-Length", out var value) ? value : null;
-
-            if (contentLength != null && long.Parse(contentLength) < 1024)
-            {
-                return true;
-            }
-
-            return false;
-        }
-
-        private static bool AlreadyGzipEncoded(Response response)
-        {
-            var contentEncoding = response.Headers.TryGetValue("Content-Encoding", out var value) ? value : null;
-
-            if (contentEncoding == "gzip")
-            {
-                return true;
-            }
-
-            return false;
-        }
-    }
-}

src/Prowlarr.Http/Extensions/Pipelines/IRegisterNancyPipeline.cs

@@ -1,11 +0,0 @@
-using Nancy.Bootstrapper;
-
-namespace Prowlarr.Http.Extensions.Pipelines
-{
-    public interface IRegisterNancyPipeline
-    {
-        int Order { get; }
-
-        void Register(IPipelines pipelines);
-    }
-}

src/Prowlarr.Http/Extensions/Pipelines/IfModifiedPipeline.cs

@@ -1,36 +0,0 @@
-using System;
-using Nancy;
-using Nancy.Bootstrapper;
-using Prowlarr.Http.Frontend;
-
-namespace Prowlarr.Http.Extensions.Pipelines
-{
-    public class IfModifiedPipeline : IRegisterNancyPipeline
-    {
-        private readonly ICacheableSpecification _cacheableSpecification;
-
-        public IfModifiedPipeline(ICacheableSpecification cacheableSpecification)
-        {
-            _cacheableSpecification = cacheableSpecification;
-        }
-
-        public int Order => 0;
-
-        public void Register(IPipelines pipelines)
-        {
-            pipelines.BeforeRequest.AddItemToStartOfPipeline((Func<NancyContext, Response>)Handle);
-        }
-
-        private Response Handle(NancyContext context)
-        {
-            if (_cacheableSpecification.IsCacheable(context) && context.Request.Headers.IfModifiedSince.HasValue)
-            {
-                var response = new Response { ContentType = MimeTypes.GetMimeType(context.Request.Path), StatusCode = HttpStatusCode.NotModified };
-                response.Headers.EnableCache();
-                return response;
-            }
-
-            return null;
-        }
-    }
-}

src/Prowlarr.Http/Extensions/Pipelines/ProwlarrVersionPipeline.cs

@@ -1,25 +0,0 @@
-using System;
-using Nancy;
-using Nancy.Bootstrapper;
-using NzbDrone.Common.EnvironmentInfo;
-
-namespace Prowlarr.Http.Extensions.Pipelines
-{
-    public class ProwlarrVersionPipeline : IRegisterNancyPipeline
-    {
-        public int Order => 0;
-
-        public void Register(IPipelines pipelines)
-        {
-            pipelines.AfterRequest.AddItemToStartOfPipeline((Action<NancyContext>)Handle);
-        }
-
-        private void Handle(NancyContext context)
-        {
-            if (!context.Response.Headers.ContainsKey("X-ApplicationVersion"))
-            {
-                context.Response.Headers.Add("X-ApplicationVersion", BuildInfo.Version.ToString());
-            }
-        }
-    }
-}

src/Prowlarr.Http/Extensions/Pipelines/RequestLoggingPipeline.cs

@@ -1,104 +0,0 @@
-using System;
-using System.Threading;
-using Nancy;
-using Nancy.Bootstrapper;
-using NLog;
-using NzbDrone.Common.Extensions;
-using Prowlarr.Http.ErrorManagement;
-using Prowlarr.Http.Extensions;
-using Prowlarr.Http.Extensions.Pipelines;
-
-namespace NzbDrone.Api.Extensions.Pipelines
-{
-    public class RequestLoggingPipeline : IRegisterNancyPipeline
-    {
-        private static readonly Logger _loggerHttp = LogManager.GetLogger("Http");
-        private static readonly Logger _loggerApi = LogManager.GetLogger("Api");
-
-        private static int _requestSequenceID;
-
-        private readonly ProwlarrErrorPipeline _errorPipeline;
-
-        public RequestLoggingPipeline(ProwlarrErrorPipeline errorPipeline)
-        {
-            _errorPipeline = errorPipeline;
-        }
-
-        public int Order => 100;
-
-        public void Register(IPipelines pipelines)
-        {
-            pipelines.BeforeRequest.AddItemToStartOfPipeline(LogStart);
-            pipelines.AfterRequest.AddItemToEndOfPipeline(LogEnd);
-            pipelines.OnError.AddItemToEndOfPipeline(LogError);
-        }
-
-        private Response LogStart(NancyContext context)
-        {
-            var id = Interlocked.Increment(ref _requestSequenceID);
-
-            context.Items["ApiRequestSequenceID"] = id;
-            context.Items["ApiRequestStartTime"] = DateTime.UtcNow;
-
-            var reqPath = GetRequestPathAndQuery(context.Request);
-
-            _loggerHttp.Trace("Req: {0} [{1}] {2} (from {3})", id, context.Request.Method, reqPath, GetOrigin(context));
-            return null;
-        }
-
-        private void LogEnd(NancyContext context)
-        {
-            var id = (int)context.Items["ApiRequestSequenceID"];
-            var startTime = (DateTime)context.Items["ApiRequestStartTime"];
-
-            var endTime = DateTime.UtcNow;
-            var duration = endTime - startTime;
-
-            var reqPath = GetRequestPathAndQuery(context.Request);
-
-            _loggerHttp.Trace("Res: {0} [{1}] {2}: {3}.{4} ({5} ms)", id, context.Request.Method, reqPath, (int)context.Response.StatusCode, context.Response.StatusCode, (int)duration.TotalMilliseconds);
-
-            if (context.Request.IsApiRequest())
-            {
-                _loggerApi.Debug("[{0}] {1}: {2}.{3} ({4} ms)", context.Request.Method, reqPath, (int)context.Response.StatusCode, context.Response.StatusCode, (int)duration.TotalMilliseconds);
-            }
-        }
-
-        private Response LogError(NancyContext context, Exception exception)
-        {
-            var response = _errorPipeline.HandleException(context, exception);
-
-            context.Response = response;
-
-            LogEnd(context);
-
-            context.Response = null;
-
-            return response;
-        }
-
-        private static string GetRequestPathAndQuery(Request request)
-        {
-            if (request.Url.Query.IsNotNullOrWhiteSpace())
-            {
-                return string.Concat(request.Url.Path, request.Url.Query);
-            }
-            else
-            {
-                return request.Url.Path;
-            }
-        }
-
-        private static string GetOrigin(NancyContext context)
-        {
-            if (context.Request.Headers.UserAgent.IsNullOrWhiteSpace())
-            {
-                return context.GetRemoteIP();
-            }
-            else
-            {
-                return $"{context.GetRemoteIP()} {context.Request.Headers.UserAgent}";
-            }
-        }
-    }
-}

src/Prowlarr.Http/Extensions/Pipelines/UrlBasePipeline.cs

@@ -1,46 +0,0 @@
-using System;
-using Nancy;
-using Nancy.Bootstrapper;
-using Nancy.Responses;
-using NzbDrone.Common.Extensions;
-using NzbDrone.Core.Configuration;
-
-namespace Prowlarr.Http.Extensions.Pipelines
-{
-    public class UrlBasePipeline : IRegisterNancyPipeline
-    {
-        private readonly string _urlBase;
-
-        public UrlBasePipeline(IConfigFileProvider configFileProvider)
-        {
-            _urlBase = configFileProvider.UrlBase;
-        }
-
-        public int Order => 99;
-
-        public void Register(IPipelines pipelines)
-        {
-            if (_urlBase.IsNotNullOrWhiteSpace())
-            {
-                pipelines.BeforeRequest.AddItemToStartOfPipeline((Func<NancyContext, Response>)Handle);
-            }
-        }
-
-        private Response Handle(NancyContext context)
-        {
-            var basePath = context.Request.Url.BasePath;
-
-            if (basePath.IsNullOrWhiteSpace())
-            {
-                return new RedirectResponse($"{_urlBase}{context.Request.Path}{context.Request.Url.Query}");
-            }
-
-            if (_urlBase != basePath)
-            {
-                return new NotFoundResponse();
-            }
-
-            return null;
-        }
-    }
-}

src/Prowlarr.Http/Extensions/ReqResExtensions.cs

@@ -1,61 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using Nancy;
-using Nancy.Responses;
-using NzbDrone.Common.EnvironmentInfo;
-using NzbDrone.Common.Serializer;
-
-namespace Prowlarr.Http.Extensions
-{
-    public static class ReqResExtensions
-    {
-        private static readonly NancyJsonSerializer NancySerializer = new NancyJsonSerializer();
-
-        public static readonly string LastModified = BuildInfo.BuildDateTime.ToString("r");
-
-        public static T FromJson<T>(this Stream body)
-            where T : class, new()
-        {
-            return FromJson<T>(body, typeof(T));
-        }
-
-        public static T FromJson<T>(this Stream body, Type type)
-        {
-            return (T)FromJson(body, type);
-        }
-
-        public static object FromJson(this Stream body, Type type)
-        {
-            body.Position = 0;
-            return STJson.Deserialize(body, type);
-        }
-
-        public static JsonResponse<TModel> AsResponse<TModel>(this TModel model, NancyContext context, HttpStatusCode statusCode = HttpStatusCode.OK)
-        {
-            var response = new JsonResponse<TModel>(model, NancySerializer, context.Environment) { StatusCode = statusCode };
-            response.Headers.DisableCache();
-
-            return response;
-        }
-
-        public static IDictionary<string, string> DisableCache(this IDictionary<string, string> headers)
-        {
-            headers["Cache-Control"] = "no-cache, no-store, must-revalidate, max-age=0";
-            headers["Pragma"] = "no-cache";
-            headers["Expires"] = "0";
-
-            return headers;
-        }
-
-        public static IDictionary<string, string> EnableCache(this IDictionary<string, string> headers)
-        {
-            headers["Cache-Control"] = "max-age=31536000 , public";
-            headers["Expires"] = "Sat, 29 Jun 2020 00:00:00 GMT";
-            headers["Last-Modified"] = LastModified;
-            headers["Age"] = "193266";
-
-            return headers;
-        }
-    }
-}

src/Prowlarr.Http/Extensions/RequestExtensions.cs

@@ -1,107 +1,137 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Net;
-using Nancy;
+using Microsoft.AspNetCore.Http;
+using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Datastore;
+using NzbDrone.Core.Exceptions;
 
 namespace Prowlarr.Http.Extensions
 {
     public static class RequestExtensions
     {
-        public static bool IsApiRequest(this Request request)
+        public static bool IsApiRequest(this HttpRequest request)
         {
-            return request.Path.StartsWith("/api/", StringComparison.InvariantCultureIgnoreCase);
+            return request.Path.StartsWithSegments("/api", StringComparison.InvariantCultureIgnoreCase);
         }
 
-        public static bool IsFeedRequest(this Request request)
+        public static bool GetBooleanQueryParameter(this HttpRequest request, string parameter, bool defaultValue = false)
         {
-            return request.Path.StartsWith("/feed/", StringComparison.InvariantCultureIgnoreCase);
-        }
-
-        public static bool IsSignalRRequest(this Request request)
-        {
-            return request.Path.StartsWith("/signalr/", StringComparison.InvariantCultureIgnoreCase);
-        }
+            var parameterValue = request.Query[parameter];
 
-        public static bool IsLocalRequest(this Request request)
-        {
-            return request.UserHostAddress.Equals("localhost") ||
-                    request.UserHostAddress.Equals("127.0.0.1") ||
-                    request.UserHostAddress.Equals("::1");
-        }
+            if (parameterValue.Any())
+            {
+                return bool.Parse(parameterValue.ToString());
+            }
 
-        public static bool IsLoginRequest(this Request request)
-        {
-            return request.Path.Equals("/login", StringComparison.InvariantCultureIgnoreCase);
+            return defaultValue;
         }
 
-        public static bool IsContentRequest(this Request request)
+        public static PagingResource<TResource> ReadPagingResourceFromRequest<TResource>(this HttpRequest request)
         {
-            return request.Path.StartsWith("/Content/", StringComparison.InvariantCultureIgnoreCase);
-        }
+            if (!int.TryParse(request.Query["PageSize"].ToString(), out var pageSize))
+            {
+                pageSize = 10;
+            }
 
-        public static bool IsSharedContentRequest(this Request request)
-        {
-            return request.Path.StartsWith("/MediaCover/", StringComparison.InvariantCultureIgnoreCase) ||
-                   request.Path.StartsWith("/Content/Images/", StringComparison.InvariantCultureIgnoreCase);
-        }
+            if (!int.TryParse(request.Query["Page"].ToString(), out var page))
+            {
+                page = 1;
+            }
 
-        public static bool GetBooleanQueryParameter(this Request request, string parameter, bool defaultValue = false)
-        {
-            var parameterValue = request.Query[parameter];
+            var pagingResource = new PagingResource<TResource>
+            {
+                PageSize = pageSize,
+                Page = page,
+                Filters = new List<PagingResourceFilter>()
+            };
 
-            if (parameterValue.HasValue)
+            if (request.Query["SortKey"].Any())
             {
-                return bool.Parse(parameterValue.Value);
+                var sortKey = request.Query["SortKey"].ToString();
+
+                pagingResource.SortKey = sortKey;
+
+                if (request.Query["SortDirection"].Any())
+                {
+                    pagingResource.SortDirection = request.Query["SortDirection"].ToString()
+                                                          .Equals("ascending", StringComparison.InvariantCultureIgnoreCase)
+                                                       ? SortDirection.Ascending
+                                                       : SortDirection.Descending;
+                }
             }
 
-            return defaultValue;
-        }
+            // For backwards compatibility with v2
+            if (request.Query["FilterKey"].Any())
+            {
+                var filter = new PagingResourceFilter
+                {
+                    Key = request.Query["FilterKey"].ToString()
+                };
 
-        public static int GetIntegerQueryParameter(this Request request, string parameter, int defaultValue = 0)
-        {
-            var parameterValue = request.Query[parameter];
+                if (request.Query["FilterValue"].Any())
+                {
+                    filter.Value = request.Query["FilterValue"].ToString();
+                }
 
-            if (parameterValue.HasValue)
+                pagingResource.Filters.Add(filter);
+            }
+
+            // v3 uses filters in key=value format
+            foreach (var pair in request.Query)
             {
-                return int.Parse(parameterValue.Value);
+                pagingResource.Filters.Add(new PagingResourceFilter
+                {
+                    Key = pair.Key,
+                    Value = pair.Value.ToString()
+                });
             }
 
-            return defaultValue;
+            return pagingResource;
         }
 
-        public static int? GetNullableIntegerQueryParameter(this Request request, string parameter, int? defaultValue = null)
+        public static PagingResource<TResource> ApplyToPage<TResource, TModel>(this PagingSpec<TModel> pagingSpec, Func<PagingSpec<TModel>, PagingSpec<TModel>> function, Converter<TModel, TResource> mapper)
         {
-            var parameterValue = request.Query[parameter];
+            pagingSpec = function(pagingSpec);
 
-            if (parameterValue.HasValue)
+            return new PagingResource<TResource>
             {
-                return int.Parse(parameterValue.Value);
-            }
+                Page = pagingSpec.Page,
+                PageSize = pagingSpec.PageSize,
+                SortDirection = pagingSpec.SortDirection,
+                SortKey = pagingSpec.SortKey,
+                TotalRecords = pagingSpec.TotalRecords,
+                Records = pagingSpec.Records.ConvertAll(mapper)
+            };
+        }
 
-            return defaultValue;
+        public static string GetRemoteIP(this HttpContext context)
+        {
+            return context?.Request?.GetRemoteIP() ?? "Unknown";
         }
 
-        public static string GetRemoteIP(this NancyContext context)
+        public static string GetRemoteIP(this HttpRequest request)
         {
-            if (context == null || context.Request == null)
+            if (request == null)
             {
                 return "Unknown";
             }
 
-            var remoteAddress = context.Request.UserHostAddress;
-            IPAddress remoteIP;
+            var remoteIP = request.HttpContext.Connection.RemoteIpAddress;
+            var remoteAddress = remoteIP.ToString();
 
             // Only check if forwarded by a local network reverse proxy
-            if (IPAddress.TryParse(remoteAddress, out remoteIP) && remoteIP.IsLocalAddress())
+            if (remoteIP.IsLocalAddress())
             {
-                var realIPHeader = context.Request.Headers["X-Real-IP"];
+                var realIPHeader = request.Headers["X-Real-IP"];
                 if (realIPHeader.Any())
                 {
                     return realIPHeader.First().ToString();
                 }
 
-                var forwardedForHeader = context.Request.Headers["X-Forwarded-For"];
+                var forwardedForHeader = request.Headers["X-Forwarded-For"];
                 if (forwardedForHeader.Any())
                 {
                     // Get the first address that was forwarded by a local IP to prevent remote clients faking another proxy
@@ -125,16 +155,16 @@ namespace Prowlarr.Http.Extensions
             return remoteAddress;
         }
 
-        public static string GetServerUrl(this Request request)
+        public static string GetServerUrl(this HttpRequest request)
         {
-            var scheme = request.Url.Scheme;
-            var port = request.Url.Port;
+            var scheme = request.Scheme;
+            var port = request.HttpContext.Connection.LocalPort;
 
             // Check for protocol headers added by reverse proxys
             // X-Forwarded-Proto: A de facto standard for identifying the originating protocol of an HTTP request
             var xForwardedProto = request.Headers.Where(x => x.Key == "X-Forwarded-Proto").Select(x => x.Value).FirstOrDefault();
 
-            if (xForwardedProto != null)
+            if (xForwardedProto.Any())
             {
                 scheme = xForwardedProto.First();
             }
@@ -146,12 +176,25 @@ namespace Prowlarr.Http.Extensions
             }
 
             //default to 443 if the Host header doesn't contain the port (needed for reverse proxy setups)
-            if (scheme == "https" && !request.Url.HostName.Contains(":"))
+            if (scheme == "https" && !request.Host.Port.HasValue)
             {
                 port = 443;
             }
 
-            return $"{scheme}://{request.Url.HostName}:{port}";
+            return $"{scheme}://{request.Host.Host}:{port}";
+        }
+
+        public static void DisableCache(this IHeaderDictionary headers)
+        {
+            headers["Cache-Control"] = "no-cache, no-store";
+            headers["Expires"] = "-1";
+            headers["Pragma"] = "no-cache";
+        }
+
+        public static void EnableCache(this IHeaderDictionary headers)
+        {
+            headers["Cache-Control"] = "max-age=31536000, public";
+            headers["Last-Modified"] = BuildInfo.BuildDateTime.ToString("r");
         }
     }
 }

src/Prowlarr.Http/Extensions/ResponseExtensions.cs

@@ -1,29 +0,0 @@
-using System.IO;
-using Nancy;
-
-namespace NzbDrone.Http.Extensions
-{
-    public static class ResponseExtensions
-    {
-        public static Response FromByteArray(this IResponseFormatter formatter, byte[] body, string contentType = null)
-        {
-            return new ByteArrayResponse(body, contentType);
-        }
-    }
-
-    public class ByteArrayResponse : Response
-    {
-        public ByteArrayResponse(byte[] body, string contentType = null)
-        {
-            this.ContentType = contentType ?? "application/octet-stream";
-
-            this.Contents = stream =>
-            {
-                using (var writer = new BinaryWriter(stream))
-                {
-                    writer.Write(body);
-                }
-            };
-        }
-    }
-}

src/Prowlarr.Http/Frontend/CacheableSpecification.cs

@@ -1,74 +0,0 @@
-using System;
-using Nancy;
-using NzbDrone.Common.EnvironmentInfo;
-using NzbDrone.Common.Extensions;
-
-namespace Prowlarr.Http.Frontend
-{
-    public interface ICacheableSpecification
-    {
-        bool IsCacheable(NancyContext context);
-    }
-
-    public class CacheableSpecification : ICacheableSpecification
-    {
-        public bool IsCacheable(NancyContext context)
-        {
-            if (!RuntimeInfo.IsProduction)
-            {
-                return false;
-            }
-
-            if (((DynamicDictionary)context.Request.Query).ContainsKey("h"))
-            {
-                return true;
-            }
-
-            if (context.Request.Path.StartsWith("/api", StringComparison.CurrentCultureIgnoreCase))
-            {
-                if (context.Request.Path.ContainsIgnoreCase("/MediaCover"))
-                {
-                    return true;
-                }
-
-                return false;
-            }
-
-            if (context.Request.Path.StartsWith("/signalr", StringComparison.CurrentCultureIgnoreCase))
-            {
-                return false;
-            }
-
-            if (context.Request.Path.EndsWith("index.js"))
-            {
-                return false;
-            }
-
-            if (context.Request.Path.EndsWith("initialize.js"))
-            {
-                return false;
-            }
-
-            if (context.Request.Path.StartsWith("/feed", StringComparison.CurrentCultureIgnoreCase))
-            {
-                return false;
-            }
-
-            if (context.Request.Path.StartsWith("/log", StringComparison.CurrentCultureIgnoreCase) &&
-                context.Request.Path.EndsWith(".txt", StringComparison.CurrentCultureIgnoreCase))
-            {
-                return false;
-            }
-
-            if (context.Response != null)
-            {
-                if (context.Response.ContentType.Contains("text/html"))
-                {
-                    return false;
-                }
-            }
-
-            return true;
-        }
-    }
-}

src/Prowlarr.Http/Frontend/InitializeJsController.cs

@@ -1,7 +1,6 @@
-using System.IO;
 using System.Text;
-using Nancy;
-using Nancy.Responses;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Core.Analytics;
@@ -9,7 +8,9 @@ using NzbDrone.Core.Configuration;
 
 namespace Prowlarr.Http.Frontend
 {
-    public class InitializeJsModule : NancyModule
+    [Authorize(Policy = "UI")]
+    [ApiController]
+    public class InitializeJsController : Controller
     {
         private readonly IConfigFileProvider _configFileProvider;
         private readonly IAnalyticsService _analyticsService;
@@ -18,35 +19,21 @@ namespace Prowlarr.Http.Frontend
         private static string _urlBase;
         private string _generatedContent;
 
-        public InitializeJsModule(IConfigFileProvider configFileProvider,
-                                  IAnalyticsService analyticsService)
+        public InitializeJsController(IConfigFileProvider configFileProvider,
+                                      IAnalyticsService analyticsService)
         {
             _configFileProvider = configFileProvider;
             _analyticsService = analyticsService;
 
             _apiKey = configFileProvider.ApiKey;
             _urlBase = configFileProvider.UrlBase;
-
-            Get("/initialize.js", x => Index());
-        }
-
-        private Response Index()
-        {
-            // TODO: Move away from window.Sonarr and prefetch the information returned here when starting the UI
-            return new StreamResponse(GetContentStream, "application/javascript");
         }
 
-        private Stream GetContentStream()
+        [HttpGet("/initialize.js")]
+        public IActionResult Index()
         {
-            var text = GetContent();
-
-            var stream = new MemoryStream();
-            var writer = new StreamWriter(stream);
-            writer.Write(text);
-            writer.Flush();
-            stream.Position = 0;
-
-            return stream;
+            // TODO: Move away from window.Prowlarr and prefetch the information returned here when starting the UI
+            return Content(GetContent(), "application/javascript");
         }
 
         private string GetContent()

src/Prowlarr.Http/Frontend/Mappers/HtmlMapperBase.cs

@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using System.Text.RegularExpressions;
-using Nancy;
 using NLog;
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnvironmentInfo;
@@ -40,13 +39,14 @@ namespace Prowlarr.Http.Frontend.Mappers
             return stream;
         }
 
-        public override Response GetResponse(string resourceUrl)
+        /*
+        public override IActionResult GetResponse(string resourceUrl)
         {
             var response = base.GetResponse(resourceUrl);
             response.Headers["X-UA-Compatible"] = "IE=edge";
 
             return response;
-        }
+        }*/
 
         protected string GetHtmlText()
         {

src/Prowlarr.Http/Frontend/Mappers/IMapHttpRequestsToDisk.cs

@@ -1,4 +1,4 @@
-using Nancy;
+using Microsoft.AspNetCore.Mvc;
 
 namespace Prowlarr.Http.Frontend.Mappers
 {
@@ -6,6 +6,6 @@ namespace Prowlarr.Http.Frontend.Mappers
     {
         string Map(string resourceUrl);
         bool CanHandle(string resourceUrl);
-        Response GetResponse(string resourceUrl);
+        IActionResult GetResponse(string resourceUrl);
     }
 }

src/Prowlarr.Http/Frontend/Mappers/StaticResourceMapperBase.cs

@@ -1,7 +1,7 @@
 using System;
 using System.IO;
-using Nancy;
-using Nancy.Responses;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.StaticFiles;
 using NLog;
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnvironmentInfo;
@@ -13,14 +13,14 @@ namespace Prowlarr.Http.Frontend.Mappers
         private readonly IDiskProvider _diskProvider;
         private readonly Logger _logger;
         private readonly StringComparison _caseSensitive;
-
-        private static readonly NotFoundResponse NotFoundResponse = new NotFoundResponse();
+        private readonly IContentTypeProvider _mimeTypeProvider;
 
         protected StaticResourceMapperBase(IDiskProvider diskProvider, Logger logger)
         {
             _diskProvider = diskProvider;
             _logger = logger;
 
+            _mimeTypeProvider = new FileExtensionContentTypeProvider();
             _caseSensitive = RuntimeInfo.IsProduction ? DiskProviderBase.PathStringComparison : StringComparison.OrdinalIgnoreCase;
         }
 
@@ -28,19 +28,23 @@ namespace Prowlarr.Http.Frontend.Mappers
 
         public abstract bool CanHandle(string resourceUrl);
 
-        public virtual Response GetResponse(string resourceUrl)
+        public virtual IActionResult GetResponse(string resourceUrl)
         {
             var filePath = Map(resourceUrl);
 
             if (_diskProvider.FileExists(filePath, _caseSensitive))
             {
-                var response = new StreamResponse(() => GetContentStream(filePath), MimeTypes.GetMimeType(filePath));
-                return new MaterialisingResponse(response);
+                if (!_mimeTypeProvider.TryGetContentType(filePath, out var contentType))
+                {
+                    contentType = "application/octet-stream";
+                }
+
+                return new FileStreamResult(GetContentStream(filePath), contentType);
             }
 
             _logger.Warn("File {0} not found", filePath);
 
-            return NotFoundResponse;
+            return null;
         }
 
         protected virtual Stream GetContentStream(string filePath)

src/Prowlarr.Http/Frontend/StaticResourceController.cs

@@ -0,0 +1,73 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Cors;
+using Microsoft.AspNetCore.Mvc;
+using NLog;
+using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Core.Configuration;
+using Prowlarr.Http.Frontend.Mappers;
+
+namespace Prowlarr.Http.Frontend
+{
+    [Authorize(Policy="UI")]
+    [ApiController]
+    public class StaticResourceController : Controller
+    {
+        private readonly string _urlBase;
+        private readonly string _loginPath;
+        private readonly IEnumerable<IMapHttpRequestsToDisk> _requestMappers;
+        private readonly Logger _logger;
+
+        public StaticResourceController(IConfigFileProvider configFileProvider,
+            IAppFolderInfo appFolderInfo,
+            IEnumerable<IMapHttpRequestsToDisk> requestMappers,
+            Logger logger)
+        {
+            _urlBase = configFileProvider.UrlBase.Trim('/');
+            _requestMappers = requestMappers;
+            _logger = logger;
+
+            _loginPath = Path.Combine(appFolderInfo.StartUpFolder, configFileProvider.UiFolder, "login.html");
+        }
+
+        [AllowAnonymous]
+        [HttpGet("login")]
+        public IActionResult LoginPage()
+        {
+            return PhysicalFile(_loginPath, "text/html");
+        }
+
+        [EnableCors("AllowGet")]
+        [AllowAnonymous]
+        [HttpGet("/content/{**path:regex(^(?!api/).*)}")]
+        public IActionResult IndexContent([FromRoute] string path)
+        {
+            return MapResource("Content/" + path);
+        }
+
+        [HttpGet("")]
+        [HttpGet("/{**path:regex(^(?!api/).*)}")]
+        public IActionResult Index([FromRoute] string path)
+        {
+            return MapResource(path);
+        }
+
+        private IActionResult MapResource(string path)
+        {
+            path = "/" + (path ?? "");
+
+            var mapper = _requestMappers.SingleOrDefault(m => m.CanHandle(path));
+
+            if (mapper != null)
+            {
+                return mapper.GetResponse(path) ?? NotFound();
+            }
+
+            _logger.Warn("Couldn't find handler for {0}", path);
+
+            return NotFound();
+        }
+    }
+}

src/Prowlarr.Http/Frontend/StaticResourceModule.cs

@@ -1,48 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using Nancy;
-using NLog;
-using Prowlarr.Http.Frontend.Mappers;
-
-namespace Prowlarr.Http.Frontend
-{
-    public class StaticResourceModule : NancyModule
-    {
-        private readonly IEnumerable<IMapHttpRequestsToDisk> _requestMappers;
-        private readonly Logger _logger;
-
-        public StaticResourceModule(IEnumerable<IMapHttpRequestsToDisk> requestMappers, Logger logger)
-        {
-            _requestMappers = requestMappers;
-            _logger = logger;
-
-            Get("/{resource*}", x => Index());
-            Get("/", x => Index());
-        }
-
-        private Response Index()
-        {
-            var path = Request.Url.Path;
-
-            if (
-                string.IsNullOrWhiteSpace(path) ||
-                path.StartsWith("/api", StringComparison.CurrentCultureIgnoreCase) ||
-                path.StartsWith("/signalr", StringComparison.CurrentCultureIgnoreCase))
-            {
-                return new NotFoundResponse();
-            }
-
-            var mapper = _requestMappers.SingleOrDefault(m => m.CanHandle(path));
-
-            if (mapper != null)
-            {
-                return mapper.GetResponse(path);
-            }
-
-            _logger.Warn("Couldn't find handler for {0}", path);
-
-            return new NotFoundResponse();
-        }
-    }
-}

src/Prowlarr.Http/Middleware/CacheHeaderMiddleware.cs

@@ -0,0 +1,35 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Prowlarr.Http.Extensions;
+
+namespace Prowlarr.Http.Middleware
+{
+    public class CacheHeaderMiddleware
+    {
+        private readonly RequestDelegate _next;
+        private readonly ICacheableSpecification _cacheableSpecification;
+
+        public CacheHeaderMiddleware(RequestDelegate next, ICacheableSpecification cacheableSpecification)
+        {
+            _next = next;
+            _cacheableSpecification = cacheableSpecification;
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            if (context.Request.Method != "OPTIONS")
+            {
+                if (_cacheableSpecification.IsCacheable(context))
+                {
+                    context.Response.Headers.EnableCache();
+                }
+                else
+                {
+                    context.Response.Headers.DisableCache();
+                }
+            }
+
+            await _next(context);
+        }
+    }
+}

src/Prowlarr.Http/Middleware/CacheableSpecification.cs

@@ -0,0 +1,74 @@
+using System;
+using Microsoft.AspNetCore.Http;
+using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Common.Extensions;
+
+namespace Prowlarr.Http.Middleware
+{
+    public interface ICacheableSpecification
+    {
+        bool IsCacheable(HttpContext context);
+    }
+
+    public class CacheableSpecification : ICacheableSpecification
+    {
+        public bool IsCacheable(HttpContext context)
+        {
+            if (!RuntimeInfo.IsProduction)
+            {
+                return false;
+            }
+
+            if (context.Request.Query.ContainsKey("h"))
+            {
+                return true;
+            }
+
+            if (context.Request.Path.StartsWithSegments("/api", StringComparison.CurrentCultureIgnoreCase))
+            {
+                if (context.Request.Path.ToString().ContainsIgnoreCase("/MediaCover"))
+                {
+                    return true;
+                }
+
+                return false;
+            }
+
+            if (context.Request.Path.StartsWithSegments("/signalr", StringComparison.CurrentCultureIgnoreCase))
+            {
+                return false;
+            }
+
+            if (context.Request.Path.Equals("/index.js"))
+            {
+                return false;
+            }
+
+            if (context.Request.Path.Equals("/initialize.js"))
+            {
+                return false;
+            }
+
+            if (context.Request.Path.StartsWithSegments("/feed", StringComparison.CurrentCultureIgnoreCase))
+            {
+                return false;
+            }
+
+            if (context.Request.Path.StartsWithSegments("/log", StringComparison.CurrentCultureIgnoreCase) &&
+                context.Request.Path.ToString().EndsWith(".txt", StringComparison.CurrentCultureIgnoreCase))
+            {
+                return false;
+            }
+
+            if (context.Response != null)
+            {
+                if (context.Response.ContentType?.Contains("text/html") ?? false || context.Response.StatusCode >= 400)
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+    }
+}

src/Prowlarr.Http/Middleware/IfModifiedMiddleware.cs

@@ -0,0 +1,43 @@
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.StaticFiles;
+using Prowlarr.Http.Extensions;
+
+namespace Prowlarr.Http.Middleware
+{
+    public class IfModifiedMiddleware
+    {
+        private readonly RequestDelegate _next;
+        private readonly ICacheableSpecification _cacheableSpecification;
+        private readonly IContentTypeProvider _mimeTypeProvider;
+
+        public IfModifiedMiddleware(RequestDelegate next, ICacheableSpecification cacheableSpecification)
+        {
+            _next = next;
+            _cacheableSpecification = cacheableSpecification;
+
+            _mimeTypeProvider = new FileExtensionContentTypeProvider();
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            if (_cacheableSpecification.IsCacheable(context) && context.Request.Headers["IfModifiedSince"].Any())
+            {
+                context.Response.StatusCode = 304;
+                context.Response.Headers.EnableCache();
+
+                if (!_mimeTypeProvider.TryGetContentType(context.Request.Path.ToString(), out var mimeType))
+                {
+                    mimeType = "application/octet-stream";
+                }
+
+                context.Response.ContentType = mimeType;
+
+                return;
+            }
+
+            await _next(context);
+        }
+    }
+}

src/Prowlarr.Http/Middleware/LoggingMiddleware.cs

@@ -0,0 +1,92 @@
+using System;
+using System.Net;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using NLog;
+using NzbDrone.Common.Extensions;
+using Prowlarr.Http.ErrorManagement;
+using Prowlarr.Http.Extensions;
+
+namespace Prowlarr.Http.Middleware
+{
+    public class LoggingMiddleware
+    {
+        private static readonly Logger _loggerHttp = LogManager.GetLogger("Http");
+        private static readonly Logger _loggerApi = LogManager.GetLogger("Api");
+        private static int _requestSequenceID;
+
+        private readonly ProwlarrErrorPipeline _errorHandler;
+        private readonly RequestDelegate _next;
+
+        public LoggingMiddleware(RequestDelegate next,
+            ProwlarrErrorPipeline errorHandler)
+        {
+            _next = next;
+            _errorHandler = errorHandler;
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            LogStart(context);
+
+            await _next(context);
+
+            LogEnd(context);
+        }
+
+        private void LogStart(HttpContext context)
+        {
+            var id = Interlocked.Increment(ref _requestSequenceID);
+
+            context.Items["ApiRequestSequenceID"] = id;
+            context.Items["ApiRequestStartTime"] = DateTime.UtcNow;
+
+            var reqPath = GetRequestPathAndQuery(context.Request);
+
+            _loggerHttp.Trace("Req: {0} [{1}] {2} (from {3})", id, context.Request.Method, reqPath, GetOrigin(context));
+        }
+
+        private void LogEnd(HttpContext context)
+        {
+            var id = (int)context.Items["ApiRequestSequenceID"];
+            var startTime = (DateTime)context.Items["ApiRequestStartTime"];
+
+            var endTime = DateTime.UtcNow;
+            var duration = endTime - startTime;
+
+            var reqPath = GetRequestPathAndQuery(context.Request);
+
+            _loggerHttp.Trace("Res: {0} [{1}] {2}: {3}.{4} ({5} ms)", id, context.Request.Method, reqPath, context.Response.StatusCode, (HttpStatusCode)context.Response.StatusCode, (int)duration.TotalMilliseconds);
+
+            if (context.Request.IsApiRequest())
+            {
+                _loggerApi.Debug("[{0}] {1}: {2}.{3} ({4} ms)", context.Request.Method, reqPath, context.Response.StatusCode, (HttpStatusCode)context.Response.StatusCode, (int)duration.TotalMilliseconds);
+            }
+        }
+
+        private static string GetRequestPathAndQuery(HttpRequest request)
+        {
+            if (request.QueryString.Value.IsNotNullOrWhiteSpace() && request.QueryString.Value != "?")
+            {
+                return string.Concat(request.Path, request.QueryString);
+            }
+            else
+            {
+                return request.Path;
+            }
+        }
+
+        private static string GetOrigin(HttpContext context)
+        {
+            if (context.Request.Headers["UserAgent"].ToString().IsNullOrWhiteSpace())
+            {
+                return context.GetRemoteIP();
+            }
+            else
+            {
+                return $"{context.GetRemoteIP()} {context.Request.Headers["UserAgent"]}";
+            }
+        }
+    }
+}

src/Prowlarr.Http/Middleware/UrlBaseMiddleware.cs

@@ -0,0 +1,29 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using NzbDrone.Common.Extensions;
+
+namespace Prowlarr.Http.Middleware
+{
+    public class UrlBaseMiddleware
+    {
+        private readonly RequestDelegate _next;
+        private readonly string _urlBase;
+
+        public UrlBaseMiddleware(RequestDelegate next, string urlBase)
+        {
+            _next = next;
+            _urlBase = urlBase;
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            if (_urlBase.IsNotNullOrWhiteSpace() && context.Request.PathBase.Value.IsNullOrWhiteSpace())
+            {
+                context.Response.Redirect($"{_urlBase}{context.Request.Path}{context.Request.QueryString}");
+                return;
+            }
+
+            await _next(context);
+        }
+    }
+}