Remove OpenIddictModule

src/OpenIddict.Core/OpenIddictBuilder.cs

@@ -8,7 +8,6 @@ using System;
 using System.ComponentModel;
 using System.IdentityModel.Tokens.Jwt;
 using System.IO;
-using System.Linq;
 using System.Reflection;
 using System.Security.Cryptography.X509Certificates;
 using AspNet.Security.OpenIdConnect.Extensions;
@@ -206,34 +205,6 @@ namespace Microsoft.AspNetCore.Builder {
             return this;
         }
 
-        /// <summary>
-        /// Registers a new OpenIddict module. If a module with the same name already
-        /// exists, the new instance is ignored and this extension has no effect.
-        /// </summary>
-        /// <param name="name">The name of the OpenIddict module.</param>
-        /// <param name="position">The relative position of the OpenIddict module in the ASP.NET Core pipeline.</param>
-        /// <param name="registration">The delegate used to register the module in the ASP.NET Core pipeline.</param>
-        /// <returns>The<see cref="OpenIddictBuilder"/>.</returns>
-        public virtual OpenIddictBuilder AddModule(
-            [NotNull] string name, int position,
-            [NotNull] Action<IApplicationBuilder> registration) {
-            if (string.IsNullOrEmpty(name)) {
-                throw new ArgumentNullException(nameof(name));
-            }
-
-            if (registration == null) {
-                throw new ArgumentNullException(nameof(registration));
-            }
-
-            return Configure(options => {
-                if (options.Modules.Any(module => module.Name == name)) {
-                    return;
-                }
-
-                options.Modules.Add(new OpenIddictModule(name, position, registration));
-            });
-        }
-
         /// <summary>
         /// Registers a new ephemeral key used to sign the tokens issued by OpenIddict: the key
         /// is discarded when the application shuts down and tokens signed using this key are

src/OpenIddict.Core/OpenIddictExtensions.cs

@@ -5,7 +5,6 @@
  */
 
 using System;
-using System.Linq;
 using AspNet.Security.OpenIdConnect.Extensions;
 using JetBrains.Annotations;
 using Microsoft.Extensions.Caching.Distributed;
@@ -109,21 +108,7 @@ namespace Microsoft.AspNetCore.Builder {
                                                     "client credentials, password and refresh token flows.");
             }
 
-            // Get the modules registered by the application
-            // and add the OpenID Connect server middleware.
-            var modules = options.Modules.ToList();
-            modules.Add(new OpenIddictModule("OpenID Connect server", 0, builder => builder.UseOpenIdConnectServer(options)));
-
-            // Register the OpenIddict modules in the ASP.NET Core pipeline.
-            foreach (var module in modules.OrderBy(module => module.Position)) {
-                if (module?.Registration == null) {
-                    throw new InvalidOperationException("An invalid OpenIddict module was registered.");
-                }
-
-                module.Registration(app);
-            }
-
-            return app;
+            return app.UseOpenIdConnectServer(options);
         }
 
         /// <summary>

src/OpenIddict.Core/OpenIddictModule.cs

@@ -1,56 +0,0 @@
-/*
- * Licensed under the Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
- * See https://github.com/openiddict/openiddict-core for more information concerning
- * the license and the contributors participating to this project.
- */
-
-using System;
-using System.Diagnostics;
-using JetBrains.Annotations;
-using Microsoft.AspNetCore.Builder;
-
-namespace OpenIddict {
-    /// <summary>
-    /// Represents an OpenIddict module.
-    /// </summary>
-    [DebuggerDisplay("{Name,nq}")]
-    public class OpenIddictModule {
-        /// <summary>
-        /// Initializes a new OpenIddict module.
-        /// </summary>
-        /// <param name="name">The name of the module.</param>
-        /// <param name="position">The position of the module in the ASP.NET Core pipeline.</param>
-        /// <param name="registration">The delegate used to register the module in the pipeline.</param>
-        public OpenIddictModule(
-            [NotNull] string name, int position,
-            [NotNull] Action<IApplicationBuilder> registration) {
-            Name = name;
-            Position = position;
-            Registration = registration;
-        }
-
-        /// <summary>
-        /// Initializes a new OpenIddict module.
-        /// </summary>
-        /// <param name="registration">The delegate used to register the module in the pipeline.</param>
-        public OpenIddictModule([NotNull] Action<IApplicationBuilder> registration) {
-            Registration = registration;
-        }
-
-        /// <summary>
-        /// Gets or sets the name of the module.
-        /// </summary>
-        public string Name { get; }
-
-        /// <summary>
-        /// Gets or sets the position of the module in the ASP.NET Core pipeline.
-        /// </summary>
-        public int Position { get; }
-
-        /// <summary>
-        /// Gets or sets the delegate used to register the
-        /// OpenIddict module in the ASP.NET Core pipeline.
-        /// </summary>
-        public Action<IApplicationBuilder> Registration { get; }
-    }
-}

src/OpenIddict.Core/OpenIddictOptions.cs

@@ -31,11 +31,6 @@ namespace OpenIddict {
         /// </summary>
         public ICollection<string> GrantTypes { get; } = new HashSet<string>(StringComparer.Ordinal);
 
-        /// <summary>
-        /// Gets the list of the OpenIddict modules registered in the application.
-        /// </summary>
-        public ICollection<OpenIddictModule> Modules { get; } = new List<OpenIddictModule>();
-
         /// <summary>
         /// Gets or sets a boolean determining whether client identification is required.
         /// Enabling this option requires registering a client application and sending a