Introduce non-generic manager interfaces and update the token server/validation services to use them

src/OpenIddict.Core/Descriptors/OpenIddictApplicationDescriptor.cs → src/OpenIddict.Abstractions/Descriptors/OpenIddictApplicationDescriptor.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 
-namespace OpenIddict.Core
+namespace OpenIddict.Abstractions
 {
     /// <summary>
     /// Represents an OpenIddict application descriptor.

src/OpenIddict.Core/Descriptors/OpenIddictAuthorizationDescriptor.cs → src/OpenIddict.Abstractions/Descriptors/OpenIddictAuthorizationDescriptor.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Security.Claims;
 
-namespace OpenIddict.Core
+namespace OpenIddict.Abstractions
 {
     /// <summary>
     /// Represents an OpenIddict authorization descriptor.

src/OpenIddict.Core/Descriptors/OpenIddictScopeDescriptor.cs → src/OpenIddict.Abstractions/Descriptors/OpenIddictScopeDescriptor.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 
-namespace OpenIddict.Core
+namespace OpenIddict.Abstractions
 {
     /// <summary>
     /// Represents an OpenIddict scope descriptor.

src/OpenIddict.Core/Descriptors/OpenIddictTokenDescriptor.cs → src/OpenIddict.Abstractions/Descriptors/OpenIddictTokenDescriptor.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Security.Claims;
 
-namespace OpenIddict.Core
+namespace OpenIddict.Abstractions
 {
     /// <summary>
     /// Represents an OpenIddict token descriptor.

src/OpenIddict.Abstractions/Managers/IOpenIddictApplicationManager.cs

@@ -0,0 +1,421 @@
+using System;
+using System.Collections.Immutable;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+
+namespace OpenIddict.Abstractions
+{
+    /// <summary>
+    /// Provides methods allowing to manage the applications stored in the store.
+    /// Note: this interface is not meant to be implemented by custom managers,
+    /// that should inherit from the generic OpenIddictApplicationManager class.
+    /// It is primarily intended to be used by services that cannot easily depend
+    /// on the generic application manager. The actual application entity type
+    /// is automatically determined at runtime based on the OpenIddict core options.
+    /// </summary>
+    public interface IOpenIddictApplicationManager
+    {
+        /// <summary>
+        /// Determines the number of applications that exist in the database.
+        /// </summary>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the number of applications in the database.
+        /// </returns>
+        Task<long> CountAsync(CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines the number of applications that match the specified query.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the number of applications that match the specified query.
+        /// </returns>
+        Task<long> CountAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new application based on the specified descriptor.
+        /// Note: the default implementation automatically hashes the client
+        /// secret before storing it in the database, for security reasons.
+        /// </summary>
+        /// <param name="descriptor">The application descriptor.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the unique identifier associated with the application.
+        /// </returns>
+        Task<object> CreateAsync([NotNull] OpenIddictApplicationDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new application.
+        /// </summary>
+        /// <param name="application">The application to create.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task CreateAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new application.
+        /// Note: the default implementation automatically hashes the client
+        /// secret before storing it in the database, for security reasons.
+        /// </summary>
+        /// <param name="application">The application to create.</param>
+        /// <param name="secret">The client secret associated with the application, if applicable.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task CreateAsync([NotNull] object application, [CanBeNull] string secret, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Removes an existing application.
+        /// </summary>
+        /// <param name="application">The application to delete.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task DeleteAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves an application using its client identifier.
+        /// </summary>
+        /// <param name="identifier">The client identifier associated with the application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the client application corresponding to the identifier.
+        /// </returns>
+        Task<object> FindByClientIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves an application using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the client application corresponding to the identifier.
+        /// </returns>
+        Task<object> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves all the applications associated with the specified post_logout_redirect_uri.
+        /// </summary>
+        /// <param name="address">The post_logout_redirect_uri associated with the applications.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation, whose result
+        /// returns the client applications corresponding to the specified post_logout_redirect_uri.
+        /// </returns>
+        Task<ImmutableArray<object>> FindByPostLogoutRedirectUriAsync([NotNull] string address, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves all the applications associated with the specified redirect_uri.
+        /// </summary>
+        /// <param name="address">The redirect_uri associated with the applications.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation, whose result
+        /// returns the client applications corresponding to the specified redirect_uri.
+        /// </returns>
+        Task<ImmutableArray<object>> FindByRedirectUriAsync([NotNull] string address, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns the first element.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the first element returned when executing the query.
+        /// </returns>
+        Task<TResult> GetAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns the first element.
+        /// </summary>
+        /// <typeparam name="TState">The state type.</typeparam>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="state">The optional state.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the first element returned when executing the query.
+        /// </returns>
+        Task<TResult> GetAsync<TState, TResult>([NotNull] Func<IQueryable<object>, TState, IQueryable<TResult>> query, [CanBeNull] TState state, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the client identifier associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the client identifier associated with the application.
+        /// </returns>
+        ValueTask<string> GetClientIdAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the client type associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the client type of the application (by default, "public").
+        /// </returns>
+        ValueTask<string> GetClientTypeAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the consent type associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the consent type of the application (by default, "explicit").
+        /// </returns>
+        ValueTask<string> GetConsentTypeAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the display name associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the display name associated with the application.
+        /// </returns>
+        ValueTask<string> GetDisplayNameAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the unique identifier associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the unique identifier associated with the application.
+        /// </returns>
+        ValueTask<string> GetIdAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the permissions associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the permissions associated with the application.
+        /// </returns>
+        ValueTask<ImmutableArray<string>> GetPermissionsAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the logout callback addresses associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the post_logout_redirect_uri associated with the application.
+        /// </returns>
+        ValueTask<ImmutableArray<string>> GetPostLogoutRedirectUrisAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the callback addresses associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the redirect_uri associated with the application.
+        /// </returns>
+        ValueTask<ImmutableArray<string>> GetRedirectUrisAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether the specified permission has been granted to the application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="permission">The permission.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the application has been granted the specified permission, <c>false</c> otherwise.</returns>
+        Task<bool> HasPermissionAsync([NotNull] object application, [NotNull] string permission, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether an application is a confidential client.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the application is a confidential client, <c>false</c> otherwise.</returns>
+        Task<bool> IsConfidentialAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether an application is a hybrid client.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the application is a hybrid client, <c>false</c> otherwise.</returns>
+        Task<bool> IsHybridAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether an application is a public client.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the application is a public client, <c>false</c> otherwise.</returns>
+        Task<bool> IsPublicAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <param name="count">The number of results to return.</param>
+        /// <param name="offset">The number of results to skip.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<object>> ListAsync([CanBeNull] int? count, [CanBeNull] int? offset, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<TResult>> ListAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <typeparam name="TState">The state type.</typeparam>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="state">The optional state.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<TResult>> ListAsync<TState, TResult>([NotNull] Func<IQueryable<object>, TState, IQueryable<TResult>> query, [CanBeNull] TState state, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Populates the specified descriptor using the properties exposed by the application.
+        /// </summary>
+        /// <param name="descriptor">The descriptor.</param>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PopulateAsync([NotNull] OpenIddictApplicationDescriptor descriptor, [NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Populates the application using the specified descriptor.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="descriptor">The descriptor.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PopulateAsync([NotNull] object application, [NotNull] OpenIddictApplicationDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing application.
+        /// </summary>
+        /// <param name="application">The application to update.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing application.
+        /// </summary>
+        /// <param name="application">The application to update.</param>
+        /// <param name="descriptor">The descriptor used to update the application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object application, [NotNull] OpenIddictApplicationDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing application and replaces the existing secret.
+        /// Note: the default implementation automatically hashes the client
+        /// secret before storing it in the database, for security reasons.
+        /// </summary>
+        /// <param name="application">The application to update.</param>
+        /// <param name="secret">The client secret associated with the application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object application, [CanBeNull] string secret, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Validates the application to ensure it's in a consistent state.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the validation error encountered when validating the application.
+        /// </returns>
+        Task<ImmutableArray<ValidationResult>> ValidateAsync([NotNull] object application, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Validates the client_secret associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="secret">The secret that should be compared to the client_secret stored in the database.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>A <see cref="Task"/> that can be used to monitor the asynchronous operation.</returns>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns a boolean indicating whether the client secret was valid.
+        /// </returns>
+        Task<bool> ValidateClientSecretAsync([NotNull] object application, string secret, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Validates the specified post_logout_redirect_uri.
+        /// </summary>
+        /// <param name="address">The address that should be compared to the post_logout_redirect_uri stored in the database.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation, whose result
+        /// returns a boolean indicating whether the post_logout_redirect_uri was valid.
+        /// </returns>
+        Task<bool> ValidatePostLogoutRedirectUriAsync([NotNull] string address, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Validates the redirect_uri to ensure it's associated with an application.
+        /// </summary>
+        /// <param name="application">The application.</param>
+        /// <param name="address">The address that should be compared to one of the redirect_uri stored in the database.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns a boolean indicating whether the redirect_uri was valid.
+        /// </returns>
+        Task<bool> ValidateRedirectUriAsync([NotNull] object application, [NotNull] string address, CancellationToken cancellationToken = default);
+    }
+}

src/OpenIddict.Abstractions/Managers/IOpenIddictAuthorizationManager.cs

@@ -0,0 +1,419 @@
+using System;
+using System.Collections.Immutable;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Security.Claims;
+using System.Threading;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+
+namespace OpenIddict.Abstractions
+{
+    /// <summary>
+    /// Provides methods allowing to manage the authorizations stored in the store.
+    /// Note: this interface is not meant to be implemented by custom managers,
+    /// that should inherit from the generic OpenIddictAuthorizationManager class.
+    /// It is primarily intended to be used by services that cannot easily depend
+    /// on the generic authorization manager. The actual authorization entity type
+    /// is automatically determined at runtime based on the OpenIddict core options.
+    /// </summary>
+    public interface IOpenIddictAuthorizationManager
+    {
+        /// <summary>
+        /// Determines the number of authorizations that exist in the database.
+        /// </summary>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the number of authorizations in the database.
+        /// </returns>
+        Task<long> CountAsync(CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines the number of authorizations that match the specified query.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the number of authorizations that match the specified query.
+        /// </returns>
+        Task<long> CountAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new permanent authorization based on the specified parameters.
+        /// </summary>
+        /// <param name="principal">The principal associated with the authorization.</param>
+        /// <param name="subject">The subject associated with the authorization.</param>
+        /// <param name="client">The client associated with the authorization.</param>
+        /// <param name="type">The authorization type.</param>
+        /// <param name="scopes">The minimal scopes associated with the authorization.</param>
+        /// <param name="properties">The authentication properties associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation, whose result returns the authorization.
+        /// </returns>
+        Task<object> CreateAsync([NotNull] ClaimsPrincipal principal, [NotNull] string subject, [NotNull] string client, [NotNull] string type, ImmutableArray<string> scopes, [CanBeNull] ImmutableDictionary<string, string> properties, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new authorization based on the specified descriptor.
+        /// </summary>
+        /// <param name="descriptor">The authorization descriptor.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation, whose result returns the authorization.
+        /// </returns>
+        Task<object> CreateAsync([NotNull] OpenIddictAuthorizationDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new authorization.
+        /// </summary>
+        /// <param name="authorization">The application to create.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task CreateAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Removes an existing authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization to delete.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task DeleteAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the authorizations corresponding to the specified
+        /// subject and associated with the application identifier.
+        /// </summary>
+        /// <param name="subject">The subject associated with the authorization.</param>
+        /// <param name="client">The client associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorizations corresponding to the subject/client.
+        /// </returns>
+        Task<ImmutableArray<object>> FindAsync([NotNull] string subject, [NotNull] string client, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the authorizations matching the specified parameters.
+        /// </summary>
+        /// <param name="subject">The subject associated with the authorization.</param>
+        /// <param name="client">The client associated with the authorization.</param>
+        /// <param name="status">The authorization status.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorizations corresponding to the criteria.
+        /// </returns>
+        Task<ImmutableArray<object>> FindAsync([NotNull] string subject, [NotNull] string client, [NotNull] string status, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Retrieves the authorizations matching the specified parameters.
+        /// </summary>
+        /// <param name="subject">The subject associated with the authorization.</param>
+        /// <param name="client">The client associated with the authorization.</param>
+        /// <param name="status">The authorization status.</param>
+        /// <param name="type">The authorization type.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorizations corresponding to the criteria.
+        /// </returns>
+        Task<ImmutableArray<object>> FindAsync([NotNull] string subject, [NotNull] string client, [NotNull] string status, [NotNull] string type, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the authorizations matching the specified parameters.
+        /// </summary>
+        /// <param name="subject">The subject associated with the authorization.</param>
+        /// <param name="client">The client associated with the authorization.</param>
+        /// <param name="status">The authorization status.</param>
+        /// <param name="type">The authorization type.</param>
+        /// <param name="scopes">The minimal scopes associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorizations corresponding to the criteria.
+        /// </returns>
+        Task<ImmutableArray<object>> FindAsync([NotNull] string subject, [NotNull] string client, [NotNull] string status, [NotNull] string type, ImmutableArray<string> scopes, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves an authorization using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorization corresponding to the identifier.
+        /// </returns>
+        Task<object> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves all the authorizations corresponding to the specified subject.
+        /// </summary>
+        /// <param name="subject">The subject associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorizations corresponding to the specified subject.
+        /// </returns>
+        Task<ImmutableArray<object>> FindBySubjectAsync([NotNull] string subject, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the optional application identifier associated with an authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the application identifier associated with the authorization.
+        /// </returns>
+        ValueTask<string> GetApplicationIdAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns the first element.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the first element returned when executing the query.
+        /// </returns>
+        Task<TResult> GetAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns the first element.
+        /// </summary>
+        /// <typeparam name="TState">The state type.</typeparam>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="state">The optional state.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the first element returned when executing the query.
+        /// </returns>
+        Task<TResult> GetAsync<TState, TResult>([NotNull] Func<IQueryable<object>, TState, IQueryable<TResult>> query, [CanBeNull] TState state, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the unique identifier associated with an authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the unique identifier associated with the authorization.
+        /// </returns>
+        ValueTask<string> GetIdAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the scopes associated with an authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the scopes associated with the specified authorization.
+        /// </returns>
+        ValueTask<ImmutableArray<string>> GetScopesAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the status associated with an authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the status associated with the specified authorization.
+        /// </returns>
+        ValueTask<string> GetStatusAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the subject associated with an authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the subject associated with the specified authorization.
+        /// </returns>
+        ValueTask<string> GetSubjectAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the type associated with an authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the type associated with the specified authorization.
+        /// </returns>
+        ValueTask<string> GetTypeAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether the specified scopes are included in the authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="scopes">The scopes.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the scopes are included in the authorization, <c>false</c> otherwise.</returns>
+        Task<bool> HasScopesAsync([NotNull] object authorization, ImmutableArray<string> scopes, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether a given authorization is ad hoc.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the authorization is ad hoc, <c>false</c> otherwise.</returns>
+        Task<bool> IsAdHocAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether a given authorization is permanent.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the authorization is permanent, <c>false</c> otherwise.</returns>
+        Task<bool> IsPermanentAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether a given authorization has been revoked.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the authorization has been revoked, <c>false</c> otherwise.</returns>
+        Task<bool> IsRevokedAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether a given authorization is valid.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the authorization is valid, <c>false</c> otherwise.</returns>
+        Task<bool> IsValidAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <param name="count">The number of results to return.</param>
+        /// <param name="offset">The number of results to skip.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<object>> ListAsync([CanBeNull] int? count, [CanBeNull] int? offset, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<TResult>> ListAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <typeparam name="TState">The state type.</typeparam>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="state">The optional state.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<TResult>> ListAsync<TState, TResult>([NotNull] Func<IQueryable<object>, TState, IQueryable<TResult>> query, [CanBeNull] TState state, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Populates the specified descriptor using the properties exposed by the authorization.
+        /// </summary>
+        /// <param name="descriptor">The descriptor.</param>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PopulateAsync([NotNull] OpenIddictAuthorizationDescriptor descriptor, [NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Populates the authorization using the specified descriptor.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="descriptor">The descriptor.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PopulateAsync([NotNull] object authorization, [NotNull] OpenIddictAuthorizationDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Removes the ad-hoc authorizations that are marked as invalid or have no valid token attached.
+        /// </summary>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PruneAsync(CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Revokes an authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization to revoke.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>A <see cref="Task"/> that can be used to monitor the asynchronous operation.</returns>
+        Task RevokeAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Sets the application identifier associated with an authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="identifier">The unique identifier associated with the client application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task SetApplicationIdAsync([NotNull] object authorization, [CanBeNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization to update.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing authorization.
+        /// </summary>
+        /// <param name="authorization">The authorization to update.</param>
+        /// <param name="descriptor">The descriptor used to update the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object authorization, [NotNull] OpenIddictAuthorizationDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Validates the authorization to ensure it's in a consistent state.
+        /// </summary>
+        /// <param name="authorization">The authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the validation error encountered when validating the authorization.
+        /// </returns>
+        Task<ImmutableArray<ValidationResult>> ValidateAsync([NotNull] object authorization, CancellationToken cancellationToken = default);
+    }
+}

src/OpenIddict.Abstractions/Managers/IOpenIddictScopeManager.cs

@@ -0,0 +1,290 @@
+using System;
+using System.Collections.Immutable;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+
+namespace OpenIddict.Abstractions
+{
+    /// <summary>
+    /// Provides methods allowing to manage the scopes stored in the store.
+    /// Note: this interface is not meant to be implemented by custom managers,
+    /// that should inherit from the generic OpenIddictScopeManager class.
+    /// It is primarily intended to be used by services that cannot easily
+    /// depend on the generic scope manager. The actual scope entity type is
+    /// automatically determined at runtime based on the OpenIddict core options.
+    /// </summary>
+    public interface IOpenIddictScopeManager
+    {
+        /// <summary>
+        /// Determines the number of scopes that exist in the database.
+        /// </summary>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the number of scopes in the database.
+        /// </returns>
+        Task<long> CountAsync(CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines the number of scopes that match the specified query.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the number of scopes that match the specified query.
+        /// </returns>
+        Task<long> CountAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new scope based on the specified descriptor.
+        /// </summary>
+        /// <param name="descriptor">The scope descriptor.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation, whose result returns the scope.
+        /// </returns>
+        Task<object> CreateAsync([NotNull] OpenIddictScopeDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new scope.
+        /// </summary>
+        /// <param name="scope">The scope to create.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task CreateAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Removes an existing scope.
+        /// </summary>
+        /// <param name="scope">The scope to delete.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task DeleteAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves a scope using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the scope corresponding to the identifier.
+        /// </returns>
+        Task<object> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves a scope using its name.
+        /// </summary>
+        /// <param name="name">The name associated with the scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the scope corresponding to the specified name.
+        /// </returns>
+        Task<object> FindByNameAsync([NotNull] string name, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves a list of scopes using their name.
+        /// </summary>
+        /// <param name="names">The names associated with the scopes.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the scopes corresponding to the specified names.
+        /// </returns>
+        Task<ImmutableArray<object>> FindByNamesAsync(ImmutableArray<string> names, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns the first element.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the first element returned when executing the query.
+        /// </returns>
+        Task<TResult> GetAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns the first element.
+        /// </summary>
+        /// <typeparam name="TState">The state type.</typeparam>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="state">The optional state.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the first element returned when executing the query.
+        /// </returns>
+        Task<TResult> GetAsync<TState, TResult>([NotNull] Func<IQueryable<object>, TState, IQueryable<TResult>> query, [CanBeNull] TState state, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the description associated with a scope.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the description associated with the specified scope.
+        /// </returns>
+        ValueTask<string> GetDescriptionAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the display name associated with a scope.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the display name associated with the scope.
+        /// </returns>
+        ValueTask<string> GetDisplayNameAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the unique identifier associated with a scope.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the unique identifier associated with the scope.
+        /// </returns>
+        ValueTask<string> GetIdAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the name associated with a scope.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the name associated with the specified scope.
+        /// </returns>
+        ValueTask<string> GetNameAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the resources associated with a scope.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the resources associated with the scope.
+        /// </returns>
+        ValueTask<ImmutableArray<string>> GetResourcesAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <param name="count">The number of results to return.</param>
+        /// <param name="offset">The number of results to skip.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<object>> ListAsync([CanBeNull] int? count, [CanBeNull] int? offset, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<TResult>> ListAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <typeparam name="TState">The state type.</typeparam>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="state">The optional state.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<TResult>> ListAsync<TState, TResult>([NotNull] Func<IQueryable<object>, TState, IQueryable<TResult>> query, [CanBeNull] TState state, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Lists all the resources associated with the specified scopes.
+        /// </summary>
+        /// <param name="scopes">The scopes.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the resources associated with the specified scopes.
+        /// </returns>
+        Task<ImmutableArray<string>> ListResourcesAsync(ImmutableArray<string> scopes, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Populates the specified descriptor using the properties exposed by the scope.
+        /// </summary>
+        /// <param name="descriptor">The descriptor.</param>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PopulateAsync([NotNull] OpenIddictScopeDescriptor descriptor, [NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Populates the scope using the specified descriptor.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="descriptor">The descriptor.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PopulateAsync([NotNull] object scope, [NotNull] OpenIddictScopeDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing scope.
+        /// </summary>
+        /// <param name="scope">The scope to update.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing scope.
+        /// </summary>
+        /// <param name="scope">The scope to update.</param>
+        /// <param name="descriptor">The descriptor used to update the scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object scope, [NotNull] OpenIddictScopeDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Validates the scope to ensure it's in a consistent state.
+        /// </summary>
+        /// <param name="scope">The scope.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the validation error encountered when validating the scope.
+        /// </returns>
+        Task<ImmutableArray<ValidationResult>> ValidateAsync([NotNull] object scope, CancellationToken cancellationToken = default);
+    }
+}

src/OpenIddict.Abstractions/Managers/IOpenIddictTokenManager.cs

@@ -0,0 +1,452 @@
+using System;
+using System.Collections.Immutable;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+
+namespace OpenIddict.Abstractions
+{
+    /// <summary>
+    /// Provides methods allowing to manage the tokens stored in the store.
+    /// Note: this interface is not meant to be implemented by custom managers,
+    /// that should inherit from the generic OpenIddictTokenManager class.
+    /// It is primarily intended to be used by services that cannot easily
+    /// depend on the generic token manager. The actual token entity type is
+    /// automatically determined at runtime based on the OpenIddict core options.
+    /// </summary>
+    public interface IOpenIddictTokenManager
+    {
+        /// <summary>
+        /// Determines the number of tokens that exist in the database.
+        /// </summary>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the number of tokens in the database.
+        /// </returns>
+        Task<long> CountAsync(CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines the number of tokens that match the specified query.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the number of tokens that match the specified query.
+        /// </returns>
+        Task<long> CountAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new token based on the specified descriptor.
+        /// </summary>
+        /// <param name="descriptor">The token descriptor.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation, whose result returns the token.
+        /// </returns>
+        Task<object> CreateAsync([NotNull] OpenIddictTokenDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Creates a new token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task CreateAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Removes an existing token.
+        /// </summary>
+        /// <param name="token">The token to delete.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task DeleteAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Extends the specified token by replacing its expiration date.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="date">The date on which the token will no longer be considered valid.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task ExtendAsync([NotNull] object token, [CanBeNull] DateTimeOffset? date, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the list of tokens corresponding to the specified application identifier.
+        /// </summary>
+        /// <param name="identifier">The application identifier associated with the tokens.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the tokens corresponding to the specified application.
+        /// </returns>
+        Task<ImmutableArray<object>> FindByApplicationIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the list of tokens corresponding to the specified authorization identifier.
+        /// </summary>
+        /// <param name="identifier">The authorization identifier associated with the tokens.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the tokens corresponding to the specified authorization.
+        /// </returns>
+        Task<ImmutableArray<object>> FindByAuthorizationIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves a token using its unique identifier.
+        /// </summary>
+        /// <param name="identifier">The unique identifier associated with the token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the token corresponding to the unique identifier.
+        /// </returns>
+        Task<object> FindByIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the list of tokens corresponding to the specified reference identifier.
+        /// Note: the reference identifier may be hashed or encrypted for security reasons.
+        /// </summary>
+        /// <param name="identifier">The reference identifier associated with the tokens.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the tokens corresponding to the specified reference identifier.
+        /// </returns>
+        Task<object> FindByReferenceIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the list of tokens corresponding to the specified subject.
+        /// </summary>
+        /// <param name="subject">The subject associated with the tokens.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the tokens corresponding to the specified subject.
+        /// </returns>
+        Task<ImmutableArray<object>> FindBySubjectAsync([NotNull] string subject, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the optional application identifier associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the application identifier associated with the token.
+        /// </returns>
+        ValueTask<string> GetApplicationIdAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns the first element.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the first element returned when executing the query.
+        /// </returns>
+        Task<TResult> GetAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns the first element.
+        /// </summary>
+        /// <typeparam name="TState">The state type.</typeparam>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="state">The optional state.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the first element returned when executing the query.
+        /// </returns>
+        Task<TResult> GetAsync<TState, TResult>([NotNull] Func<IQueryable<object>, TState, IQueryable<TResult>> query, [CanBeNull] TState state, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the optional authorization identifier associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the authorization identifier associated with the token.
+        /// </returns>
+        ValueTask<string> GetAuthorizationIdAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the creation date associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the creation date associated with the specified token.
+        /// </returns>
+        ValueTask<DateTimeOffset?> GetCreationDateAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the expiration date associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the expiration date associated with the specified token.
+        /// </returns>
+        ValueTask<DateTimeOffset?> GetExpirationDateAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the unique identifier associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the unique identifier associated with the token.
+        /// </returns>
+        ValueTask<string> GetIdAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the payload associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the payload associated with the specified token.
+        /// </returns>
+        ValueTask<string> GetPayloadAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the reference identifier associated with a token.
+        /// Note: depending on the manager used to create the token,
+        /// the reference identifier may be hashed for security reasons.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the reference identifier associated with the specified token.
+        /// </returns>
+        ValueTask<string> GetReferenceIdAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the status associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the status associated with the specified token.
+        /// </returns>
+        ValueTask<string> GetStatusAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the subject associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the subject associated with the specified token.
+        /// </returns>
+        ValueTask<string> GetSubjectAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Retrieves the token type associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="ValueTask{TResult}"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the token type associated with the specified token.
+        /// </returns>
+        ValueTask<string> GetTokenTypeAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether a given token has already been redemeed.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the token has already been redemeed, <c>false</c> otherwise.</returns>
+        Task<bool> IsRedeemedAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether a given token has been revoked.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the token has been revoked, <c>false</c> otherwise.</returns>
+        Task<bool> IsRevokedAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Determines whether a given token is valid.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns><c>true</c> if the token is valid, <c>false</c> otherwise.</returns>
+        Task<bool> IsValidAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <param name="count">The number of results to return.</param>
+        /// <param name="offset">The number of results to skip.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<object>> ListAsync([CanBeNull] int? count, [CanBeNull] int? offset, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<TResult>> ListAsync<TResult>([NotNull] Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Executes the specified query and returns all the corresponding elements.
+        /// </summary>
+        /// <typeparam name="TState">The state type.</typeparam>
+        /// <typeparam name="TResult">The result type.</typeparam>
+        /// <param name="query">The query to execute.</param>
+        /// <param name="state">The optional state.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns all the elements returned when executing the specified query.
+        /// </returns>
+        Task<ImmutableArray<TResult>> ListAsync<TState, TResult>([NotNull] Func<IQueryable<object>, TState, IQueryable<TResult>> query, [CanBeNull] TState state, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Obfuscates the specified reference identifier so it can be safely stored in a database.
+        /// By default, this method returns a simple hashed representation computed using SHA256.
+        /// </summary>
+        /// <param name="identifier">The client identifier.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task<string> ObfuscateReferenceIdAsync([NotNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Populates the specified descriptor using the properties exposed by the token.
+        /// </summary>
+        /// <param name="descriptor">The descriptor.</param>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PopulateAsync([NotNull] OpenIddictTokenDescriptor descriptor, [NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Populates the token using the specified descriptor.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="descriptor">The descriptor.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PopulateAsync([NotNull] object token, [NotNull] OpenIddictTokenDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Removes the tokens that are marked as expired or invalid.
+        /// </summary>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task PruneAsync(CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Redeems a token.
+        /// </summary>
+        /// <param name="token">The token to redeem.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>A <see cref="Task"/> that can be used to monitor the asynchronous operation.</returns>
+        Task RedeemAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Revokes a token.
+        /// </summary>
+        /// <param name="token">The token to revoke.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>A <see cref="Task"/> that can be used to monitor the asynchronous operation.</returns>
+        Task RevokeAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Sets the application identifier associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="identifier">The unique identifier associated with the client application.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task SetApplicationIdAsync([NotNull] object token, [CanBeNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Sets the authorization identifier associated with a token.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="identifier">The unique identifier associated with the authorization.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task SetAuthorizationIdAsync([NotNull] object token, [CanBeNull] string identifier, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing token.
+        /// </summary>
+        /// <param name="token">The token to update.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object token, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Updates an existing token.
+        /// </summary>
+        /// <param name="token">The token to update.</param>
+        /// <param name="descriptor">The descriptor used to update the token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
+        /// </returns>
+        Task UpdateAsync([NotNull] object token, [NotNull] OpenIddictTokenDescriptor descriptor, CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Validates the token to ensure it's in a consistent state.
+        /// </summary>
+        /// <param name="token">The token.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/> that can be used to abort the operation.</param>
+        /// <returns>
+        /// A <see cref="Task"/> that can be used to monitor the asynchronous operation,
+        /// whose result returns the validation error encountered when validating the token.
+        /// </returns>
+        Task<ImmutableArray<ValidationResult>> ValidateAsync([NotNull] object token, CancellationToken cancellationToken = default);
+    }
+}

src/OpenIddict.Abstractions/OpenIddict.Abstractions.csproj

@@ -17,6 +17,7 @@
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Newtonsoft.Json" Version="$(JsonNetVersion)" />
     <PackageReference Include="System.Collections.Immutable" Version="$(ImmutableCollectionsVersion)" />
+    <PackageReference Include="System.ComponentModel.Annotations" Version="$(DataAnnotationsVersion)" />
     <PackageReference Include="System.Threading.Tasks.Extensions" Version="$(TasksExtensionsVersion)" />
   </ItemGroup>
 

src/OpenIddict.Core/Managers/OpenIddictApplicationManager.cs

@@ -22,7 +22,7 @@ namespace OpenIddict.Core
     /// Provides methods allowing to manage the applications stored in the store.
     /// </summary>
     /// <typeparam name="TApplication">The type of the Application entity.</typeparam>
-    public class OpenIddictApplicationManager<TApplication> where TApplication : class
+    public class OpenIddictApplicationManager<TApplication> : IOpenIddictApplicationManager where TApplication : class
     {
         public OpenIddictApplicationManager(
             [NotNull] IOpenIddictApplicationStoreResolver resolver,
@@ -58,9 +58,7 @@ namespace OpenIddict.Core
         /// whose result returns the number of applications in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken = default)
-        {
-            return Store.CountAsync(cancellationToken);
-        }
+            => Store.CountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of applications that match the specified query.
@@ -1349,5 +1347,113 @@ namespace OpenIddict.Core
                 return Task.FromResult(false);
             }
         }
+
+        Task<long> IOpenIddictApplicationManager.CountAsync(CancellationToken cancellationToken)
+            => CountAsync(cancellationToken);
+
+        Task<long> IOpenIddictApplicationManager.CountAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => CountAsync(query, cancellationToken);
+
+        async Task<object> IOpenIddictApplicationManager.CreateAsync(OpenIddictApplicationDescriptor descriptor, CancellationToken cancellationToken)
+            => await CreateAsync(descriptor, cancellationToken);
+
+        Task IOpenIddictApplicationManager.CreateAsync(object application, CancellationToken cancellationToken)
+            => CreateAsync((TApplication) application, cancellationToken);
+
+        Task IOpenIddictApplicationManager.CreateAsync(object application, string secret, CancellationToken cancellationToken)
+            => CreateAsync((TApplication) application, secret, cancellationToken);
+
+        Task IOpenIddictApplicationManager.DeleteAsync(object application, CancellationToken cancellationToken)
+            => DeleteAsync((TApplication) application, cancellationToken);
+
+        async Task<object> IOpenIddictApplicationManager.FindByClientIdAsync(string identifier, CancellationToken cancellationToken)
+            => await FindByClientIdAsync(identifier, cancellationToken);
+
+        async Task<object> IOpenIddictApplicationManager.FindByIdAsync(string identifier, CancellationToken cancellationToken)
+            => await FindByIdAsync(identifier, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictApplicationManager.FindByPostLogoutRedirectUriAsync(string address, CancellationToken cancellationToken)
+            => (await FindByPostLogoutRedirectUriAsync(address, cancellationToken)).CastArray<object>();
+
+        async Task<ImmutableArray<object>> IOpenIddictApplicationManager.FindByRedirectUriAsync(string address, CancellationToken cancellationToken)
+            => (await FindByRedirectUriAsync(address, cancellationToken)).CastArray<object>();
+
+        Task<TResult> IOpenIddictApplicationManager.GetAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => GetAsync(query, cancellationToken);
+
+        Task<TResult> IOpenIddictApplicationManager.GetAsync<TState, TResult>(Func<IQueryable<object>, TState, IQueryable<TResult>> query, TState state, CancellationToken cancellationToken)
+            => GetAsync(query, state, cancellationToken);
+
+        ValueTask<string> IOpenIddictApplicationManager.GetClientIdAsync(object application, CancellationToken cancellationToken)
+            => GetClientIdAsync((TApplication) application, cancellationToken);
+
+        ValueTask<string> IOpenIddictApplicationManager.GetClientTypeAsync(object application, CancellationToken cancellationToken)
+            => GetClientTypeAsync((TApplication) application, cancellationToken);
+
+        ValueTask<string> IOpenIddictApplicationManager.GetConsentTypeAsync(object application, CancellationToken cancellationToken)
+            => GetConsentTypeAsync((TApplication) application, cancellationToken);
+
+        ValueTask<string> IOpenIddictApplicationManager.GetDisplayNameAsync(object application, CancellationToken cancellationToken)
+            => GetDisplayNameAsync((TApplication) application, cancellationToken);
+
+        ValueTask<string> IOpenIddictApplicationManager.GetIdAsync(object application, CancellationToken cancellationToken)
+            => GetIdAsync((TApplication) application, cancellationToken);
+
+        ValueTask<ImmutableArray<string>> IOpenIddictApplicationManager.GetPermissionsAsync(object application, CancellationToken cancellationToken)
+            => GetPermissionsAsync((TApplication) application, cancellationToken);
+
+        ValueTask<ImmutableArray<string>> IOpenIddictApplicationManager.GetPostLogoutRedirectUrisAsync(object application, CancellationToken cancellationToken)
+            => GetPostLogoutRedirectUrisAsync((TApplication) application, cancellationToken);
+
+        ValueTask<ImmutableArray<string>> IOpenIddictApplicationManager.GetRedirectUrisAsync(object application, CancellationToken cancellationToken)
+            => GetRedirectUrisAsync((TApplication) application, cancellationToken);
+
+        Task<bool> IOpenIddictApplicationManager.HasPermissionAsync(object application, string permission, CancellationToken cancellationToken)
+            => HasPermissionAsync((TApplication) application, permission, cancellationToken);
+
+        Task<bool> IOpenIddictApplicationManager.IsConfidentialAsync(object application, CancellationToken cancellationToken)
+            => IsConfidentialAsync((TApplication) application, cancellationToken);
+
+        Task<bool> IOpenIddictApplicationManager.IsHybridAsync(object application, CancellationToken cancellationToken)
+            => IsHybridAsync((TApplication) application, cancellationToken);
+
+        Task<bool> IOpenIddictApplicationManager.IsPublicAsync(object application, CancellationToken cancellationToken)
+            => IsPublicAsync((TApplication) application, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictApplicationManager.ListAsync(int? count, int? offset, CancellationToken cancellationToken)
+            => (await ListAsync(count, offset, cancellationToken)).CastArray<object>();
+
+        Task<ImmutableArray<TResult>> IOpenIddictApplicationManager.ListAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => ListAsync(query, cancellationToken);
+
+        Task<ImmutableArray<TResult>> IOpenIddictApplicationManager.ListAsync<TState, TResult>(Func<IQueryable<object>, TState, IQueryable<TResult>> query, TState state, CancellationToken cancellationToken)
+            => ListAsync(query, state, cancellationToken);
+
+        Task IOpenIddictApplicationManager.PopulateAsync(OpenIddictApplicationDescriptor descriptor, object application, CancellationToken cancellationToken)
+            => PopulateAsync(descriptor, (TApplication) application, cancellationToken);
+
+        Task IOpenIddictApplicationManager.PopulateAsync(object application, OpenIddictApplicationDescriptor descriptor, CancellationToken cancellationToken)
+            => PopulateAsync((TApplication) application, descriptor, cancellationToken);
+
+        Task IOpenIddictApplicationManager.UpdateAsync(object application, CancellationToken cancellationToken)
+            => UpdateAsync((TApplication) application, cancellationToken);
+
+        Task IOpenIddictApplicationManager.UpdateAsync(object application, OpenIddictApplicationDescriptor descriptor, CancellationToken cancellationToken)
+            => UpdateAsync((TApplication) application, descriptor, cancellationToken);
+
+        Task IOpenIddictApplicationManager.UpdateAsync(object application, string secret, CancellationToken cancellationToken)
+            => UpdateAsync((TApplication) application, secret, cancellationToken);
+
+        Task<ImmutableArray<ValidationResult>> IOpenIddictApplicationManager.ValidateAsync(object application, CancellationToken cancellationToken)
+            => ValidateAsync((TApplication) application, cancellationToken);
+
+        Task<bool> IOpenIddictApplicationManager.ValidateClientSecretAsync(object application, string secret, CancellationToken cancellationToken)
+            => ValidateClientSecretAsync((TApplication) application, secret, cancellationToken);
+
+        Task<bool> IOpenIddictApplicationManager.ValidatePostLogoutRedirectUriAsync(string address, CancellationToken cancellationToken)
+            => ValidatePostLogoutRedirectUriAsync(address, cancellationToken);
+
+        Task<bool> IOpenIddictApplicationManager.ValidateRedirectUriAsync(object application, string address, CancellationToken cancellationToken)
+            => ValidateRedirectUriAsync((TApplication) application, address, cancellationToken);
     }
 }

src/OpenIddict.Core/Managers/OpenIddictAuthorizationManager.cs

@@ -22,7 +22,7 @@ namespace OpenIddict.Core
     /// Provides methods allowing to manage the authorizations stored in the store.
     /// </summary>
     /// <typeparam name="TAuthorization">The type of the Authorization entity.</typeparam>
-    public class OpenIddictAuthorizationManager<TAuthorization> where TAuthorization : class
+    public class OpenIddictAuthorizationManager<TAuthorization> : IOpenIddictAuthorizationManager where TAuthorization : class
     {
         public OpenIddictAuthorizationManager(
             [NotNull] IOpenIddictAuthorizationStoreResolver resolver,
@@ -58,9 +58,7 @@ namespace OpenIddict.Core
         /// whose result returns the number of authorizations in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken = default)
-        {
-            return Store.CountAsync(cancellationToken);
-        }
+            => Store.CountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of authorizations that match the specified query.
@@ -1035,5 +1033,113 @@ namespace OpenIddict.Core
                 builder.MoveToImmutable() :
                 builder.ToImmutable();
         }
+
+        Task<long> IOpenIddictAuthorizationManager.CountAsync(CancellationToken cancellationToken)
+            => CountAsync(cancellationToken);
+
+        Task<long> IOpenIddictAuthorizationManager.CountAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => CountAsync(query, cancellationToken);
+
+        async Task<object> IOpenIddictAuthorizationManager.CreateAsync(ClaimsPrincipal principal, string subject, string client, string type, ImmutableArray<string> scopes, ImmutableDictionary<string, string> properties, CancellationToken cancellationToken)
+            => await CreateAsync(principal, subject, client, type, scopes, properties, cancellationToken);
+
+        async Task<object> IOpenIddictAuthorizationManager.CreateAsync(OpenIddictAuthorizationDescriptor descriptor, CancellationToken cancellationToken)
+            => await CreateAsync(descriptor, cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.CreateAsync(object authorization, CancellationToken cancellationToken)
+            => CreateAsync((TAuthorization) authorization, cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.DeleteAsync(object authorization, CancellationToken cancellationToken)
+            => DeleteAsync((TAuthorization) authorization, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictAuthorizationManager.FindAsync(string subject, string client, CancellationToken cancellationToken)
+            => (await FindAsync(subject, client, cancellationToken)).CastArray<object>();
+
+        async Task<ImmutableArray<object>> IOpenIddictAuthorizationManager.FindAsync(string subject, string client, string status, CancellationToken cancellationToken)
+            => (await FindAsync(subject, client, status, cancellationToken)).CastArray<object>();
+
+        async Task<ImmutableArray<object>> IOpenIddictAuthorizationManager.FindAsync(string subject, string client, string status, string type, CancellationToken cancellationToken)
+            => (await FindAsync(subject, client, status, type, cancellationToken)).CastArray<object>();
+
+        async Task<ImmutableArray<object>> IOpenIddictAuthorizationManager.FindAsync(string subject, string client, string status, string type, ImmutableArray<string> scopes, CancellationToken cancellationToken)
+            => (await FindAsync(subject, client, status, type, scopes, cancellationToken)).CastArray<object>();
+
+        async Task<object> IOpenIddictAuthorizationManager.FindByIdAsync(string identifier, CancellationToken cancellationToken)
+            => await FindByIdAsync(identifier, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictAuthorizationManager.FindBySubjectAsync(string subject, CancellationToken cancellationToken)
+            => (await FindBySubjectAsync(subject, cancellationToken)).CastArray<object>();
+
+        ValueTask<string> IOpenIddictAuthorizationManager.GetApplicationIdAsync(object authorization, CancellationToken cancellationToken)
+            => GetApplicationIdAsync((TAuthorization) authorization, cancellationToken);
+
+        Task<TResult> IOpenIddictAuthorizationManager.GetAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => GetAsync(query, cancellationToken);
+
+        Task<TResult> IOpenIddictAuthorizationManager.GetAsync<TState, TResult>(Func<IQueryable<object>, TState, IQueryable<TResult>> query, TState state, CancellationToken cancellationToken)
+            => GetAsync(query, state, cancellationToken);
+
+        ValueTask<string> IOpenIddictAuthorizationManager.GetIdAsync(object authorization, CancellationToken cancellationToken)
+            => GetIdAsync((TAuthorization) authorization, cancellationToken);
+
+        ValueTask<ImmutableArray<string>> IOpenIddictAuthorizationManager.GetScopesAsync(object authorization, CancellationToken cancellationToken)
+            => GetScopesAsync((TAuthorization) authorization, cancellationToken);
+
+        ValueTask<string> IOpenIddictAuthorizationManager.GetStatusAsync(object authorization, CancellationToken cancellationToken)
+            => GetStatusAsync((TAuthorization) authorization, cancellationToken);
+
+        ValueTask<string> IOpenIddictAuthorizationManager.GetSubjectAsync(object authorization, CancellationToken cancellationToken)
+            => GetSubjectAsync((TAuthorization) authorization, cancellationToken);
+
+        ValueTask<string> IOpenIddictAuthorizationManager.GetTypeAsync(object authorization, CancellationToken cancellationToken)
+            => GetTypeAsync((TAuthorization) authorization, cancellationToken);
+
+        Task<bool> IOpenIddictAuthorizationManager.HasScopesAsync(object authorization, ImmutableArray<string> scopes, CancellationToken cancellationToken)
+            => HasScopesAsync((TAuthorization) authorization, scopes, cancellationToken);
+
+        Task<bool> IOpenIddictAuthorizationManager.IsAdHocAsync(object authorization, CancellationToken cancellationToken)
+            => IsAdHocAsync((TAuthorization) authorization, cancellationToken);
+
+        Task<bool> IOpenIddictAuthorizationManager.IsPermanentAsync(object authorization, CancellationToken cancellationToken)
+            => IsPermanentAsync((TAuthorization) authorization, cancellationToken);
+
+        Task<bool> IOpenIddictAuthorizationManager.IsRevokedAsync(object authorization, CancellationToken cancellationToken)
+            => IsRevokedAsync((TAuthorization) authorization, cancellationToken);
+
+        Task<bool> IOpenIddictAuthorizationManager.IsValidAsync(object authorization, CancellationToken cancellationToken)
+            => IsValidAsync((TAuthorization) authorization, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictAuthorizationManager.ListAsync(int? count, int? offset, CancellationToken cancellationToken)
+            => (await ListAsync(count, offset, cancellationToken)).CastArray<object>();
+
+        Task<ImmutableArray<TResult>> IOpenIddictAuthorizationManager.ListAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => ListAsync(query, cancellationToken);
+
+        Task<ImmutableArray<TResult>> IOpenIddictAuthorizationManager.ListAsync<TState, TResult>(Func<IQueryable<object>, TState, IQueryable<TResult>> query, TState state, CancellationToken cancellationToken)
+            => ListAsync(query, state, cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.PopulateAsync(OpenIddictAuthorizationDescriptor descriptor, object authorization, CancellationToken cancellationToken)
+            => PopulateAsync(descriptor, (TAuthorization) authorization, cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.PopulateAsync(object authorization, OpenIddictAuthorizationDescriptor descriptor, CancellationToken cancellationToken)
+            => PopulateAsync((TAuthorization) authorization, descriptor, cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.PruneAsync(CancellationToken cancellationToken)
+            => PruneAsync(cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.RevokeAsync(object authorization, CancellationToken cancellationToken)
+            => RevokeAsync((TAuthorization) authorization, cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.SetApplicationIdAsync(object authorization, string identifier, CancellationToken cancellationToken)
+            => SetApplicationIdAsync((TAuthorization) authorization, identifier, cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.UpdateAsync(object authorization, CancellationToken cancellationToken)
+            => UpdateAsync((TAuthorization) authorization, cancellationToken);
+
+        Task IOpenIddictAuthorizationManager.UpdateAsync(object authorization, OpenIddictAuthorizationDescriptor descriptor, CancellationToken cancellationToken)
+            => UpdateAsync((TAuthorization) authorization, cancellationToken);
+
+        Task<ImmutableArray<ValidationResult>> IOpenIddictAuthorizationManager.ValidateAsync(object authorization, CancellationToken cancellationToken)
+            => ValidateAsync((TAuthorization) authorization, cancellationToken);
     }
 }

src/OpenIddict.Core/Managers/OpenIddictScopeManager.cs

@@ -22,7 +22,7 @@ namespace OpenIddict.Core
     /// Provides methods allowing to manage the scopes stored in the store.
     /// </summary>
     /// <typeparam name="TScope">The type of the Scope entity.</typeparam>
-    public class OpenIddictScopeManager<TScope> where TScope : class
+    public class OpenIddictScopeManager<TScope> : IOpenIddictScopeManager where TScope : class
     {
         public OpenIddictScopeManager(
             [NotNull] IOpenIddictScopeStoreResolver resolver,
@@ -58,9 +58,7 @@ namespace OpenIddict.Core
         /// whose result returns the number of scopes in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken = default)
-        {
-            return Store.CountAsync(cancellationToken);
-        }
+            => Store.CountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of scopes that match the specified query.
@@ -627,5 +625,77 @@ namespace OpenIddict.Core
                 builder.MoveToImmutable() :
                 builder.ToImmutable();
         }
+
+        Task<long> IOpenIddictScopeManager.CountAsync(CancellationToken cancellationToken)
+            => CountAsync(cancellationToken);
+
+        Task<long> IOpenIddictScopeManager.CountAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => CountAsync(query, cancellationToken);
+
+        async Task<object> IOpenIddictScopeManager.CreateAsync(OpenIddictScopeDescriptor descriptor, CancellationToken cancellationToken)
+            => await CreateAsync(descriptor, cancellationToken);
+
+        Task IOpenIddictScopeManager.CreateAsync(object scope, CancellationToken cancellationToken)
+            => CreateAsync((TScope) scope, cancellationToken);
+
+        Task IOpenIddictScopeManager.DeleteAsync(object scope, CancellationToken cancellationToken)
+            => DeleteAsync((TScope) scope, cancellationToken);
+
+        async Task<object> IOpenIddictScopeManager.FindByIdAsync(string identifier, CancellationToken cancellationToken)
+            => await FindByIdAsync(identifier, cancellationToken);
+
+        async Task<object> IOpenIddictScopeManager.FindByNameAsync(string name, CancellationToken cancellationToken)
+            => await FindByNameAsync(name, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictScopeManager.FindByNamesAsync(ImmutableArray<string> names, CancellationToken cancellationToken)
+            => (await FindByNamesAsync(names, cancellationToken)).CastArray<object>();
+
+        Task<TResult> IOpenIddictScopeManager.GetAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => GetAsync(query, cancellationToken);
+
+        Task<TResult> IOpenIddictScopeManager.GetAsync<TState, TResult>(Func<IQueryable<object>, TState, IQueryable<TResult>> query, TState state, CancellationToken cancellationToken)
+            => GetAsync(query, state, cancellationToken);
+
+        ValueTask<string> IOpenIddictScopeManager.GetDescriptionAsync(object scope, CancellationToken cancellationToken)
+            => GetDescriptionAsync((TScope) scope, cancellationToken);
+
+        ValueTask<string> IOpenIddictScopeManager.GetDisplayNameAsync(object scope, CancellationToken cancellationToken)
+            => GetDisplayNameAsync((TScope) scope, cancellationToken);
+
+        ValueTask<string> IOpenIddictScopeManager.GetIdAsync(object scope, CancellationToken cancellationToken)
+            => GetIdAsync((TScope) scope, cancellationToken);
+
+        ValueTask<string> IOpenIddictScopeManager.GetNameAsync(object scope, CancellationToken cancellationToken)
+            => GetNameAsync((TScope) scope, cancellationToken);
+
+        ValueTask<ImmutableArray<string>> IOpenIddictScopeManager.GetResourcesAsync(object scope, CancellationToken cancellationToken)
+            => GetResourcesAsync((TScope) scope, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictScopeManager.ListAsync(int? count, int? offset, CancellationToken cancellationToken)
+            => (await ListAsync(count, offset, cancellationToken)).CastArray<object>();
+
+        Task<ImmutableArray<TResult>> IOpenIddictScopeManager.ListAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => ListAsync(query, cancellationToken);
+
+        Task<ImmutableArray<TResult>> IOpenIddictScopeManager.ListAsync<TState, TResult>(Func<IQueryable<object>, TState, IQueryable<TResult>> query, TState state, CancellationToken cancellationToken)
+            => ListAsync(query, state, cancellationToken);
+
+        Task<ImmutableArray<string>> IOpenIddictScopeManager.ListResourcesAsync(ImmutableArray<string> scopes, CancellationToken cancellationToken)
+            => ListResourcesAsync(scopes, cancellationToken);
+
+        Task IOpenIddictScopeManager.PopulateAsync(OpenIddictScopeDescriptor descriptor, object scope, CancellationToken cancellationToken)
+            => PopulateAsync(descriptor, (TScope) scope, cancellationToken);
+
+        Task IOpenIddictScopeManager.PopulateAsync(object scope, OpenIddictScopeDescriptor descriptor, CancellationToken cancellationToken)
+            => PopulateAsync((TScope) scope, descriptor, cancellationToken);
+
+        Task IOpenIddictScopeManager.UpdateAsync(object scope, CancellationToken cancellationToken)
+            => UpdateAsync((TScope) scope, cancellationToken);
+
+        Task IOpenIddictScopeManager.UpdateAsync(object scope, OpenIddictScopeDescriptor descriptor, CancellationToken cancellationToken)
+            => UpdateAsync((TScope) scope, descriptor, cancellationToken);
+
+        Task<ImmutableArray<ValidationResult>> IOpenIddictScopeManager.ValidateAsync(object scope, CancellationToken cancellationToken)
+            => ValidateAsync((TScope) scope, cancellationToken);
     }
 }

src/OpenIddict.Core/Managers/OpenIddictTokenManager.cs

@@ -23,7 +23,7 @@ namespace OpenIddict.Core
     /// Provides methods allowing to manage the tokens stored in the store.
     /// </summary>
     /// <typeparam name="TToken">The type of the Token entity.</typeparam>
-    public class OpenIddictTokenManager<TToken> where TToken : class
+    public class OpenIddictTokenManager<TToken> : IOpenIddictTokenManager where TToken : class
     {
         public OpenIddictTokenManager(
             [NotNull] IOpenIddictTokenStoreResolver resolver,
@@ -59,9 +59,7 @@ namespace OpenIddict.Core
         /// whose result returns the number of tokens in the database.
         /// </returns>
         public virtual Task<long> CountAsync(CancellationToken cancellationToken = default)
-        {
-            return Store.CountAsync(cancellationToken);
-        }
+            => Store.CountAsync(cancellationToken);
 
         /// <summary>
         /// Determines the number of tokens that match the specified query.
@@ -968,5 +966,125 @@ namespace OpenIddict.Core
                 builder.MoveToImmutable() :
                 builder.ToImmutable();
         }
+
+        Task<long> IOpenIddictTokenManager.CountAsync(CancellationToken cancellationToken)
+            => CountAsync(cancellationToken);
+
+        Task<long> IOpenIddictTokenManager.CountAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => CountAsync(query, cancellationToken);
+
+        async Task<object> IOpenIddictTokenManager.CreateAsync(OpenIddictTokenDescriptor descriptor, CancellationToken cancellationToken)
+            => await CreateAsync(descriptor, cancellationToken);
+
+        Task IOpenIddictTokenManager.CreateAsync(object token, CancellationToken cancellationToken)
+            => CreateAsync((TToken) token, cancellationToken);
+
+        Task IOpenIddictTokenManager.DeleteAsync(object token, CancellationToken cancellationToken)
+            => DeleteAsync((TToken) token, cancellationToken);
+
+        Task IOpenIddictTokenManager.ExtendAsync(object token, DateTimeOffset? date, CancellationToken cancellationToken)
+            => ExtendAsync((TToken) token, date, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictTokenManager.FindByApplicationIdAsync(string identifier, CancellationToken cancellationToken)
+            => (await FindByApplicationIdAsync(identifier, cancellationToken)).CastArray<object>();
+
+        async Task<ImmutableArray<object>> IOpenIddictTokenManager.FindByAuthorizationIdAsync(string identifier, CancellationToken cancellationToken)
+            => (await FindByAuthorizationIdAsync(identifier, cancellationToken)).CastArray<object>();
+
+        async Task<object> IOpenIddictTokenManager.FindByIdAsync(string identifier, CancellationToken cancellationToken)
+            => await FindByIdAsync(identifier, cancellationToken);
+
+        async Task<object> IOpenIddictTokenManager.FindByReferenceIdAsync(string identifier, CancellationToken cancellationToken)
+            => await FindByReferenceIdAsync(identifier, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictTokenManager.FindBySubjectAsync(string subject, CancellationToken cancellationToken)
+            => (await FindBySubjectAsync(subject, cancellationToken)).CastArray<object>();
+
+        ValueTask<string> IOpenIddictTokenManager.GetApplicationIdAsync(object token, CancellationToken cancellationToken)
+            => GetApplicationIdAsync((TToken) token, cancellationToken);
+
+        Task<TResult> IOpenIddictTokenManager.GetAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => GetAsync(query, cancellationToken);
+
+        Task<TResult> IOpenIddictTokenManager.GetAsync<TState, TResult>(Func<IQueryable<object>, TState, IQueryable<TResult>> query, TState state, CancellationToken cancellationToken)
+            => GetAsync(query, state, cancellationToken);
+
+        ValueTask<string> IOpenIddictTokenManager.GetAuthorizationIdAsync(object token, CancellationToken cancellationToken)
+            => GetAuthorizationIdAsync((TToken) token, cancellationToken);
+
+        ValueTask<DateTimeOffset?> IOpenIddictTokenManager.GetCreationDateAsync(object token, CancellationToken cancellationToken)
+            => GetCreationDateAsync((TToken) token, cancellationToken);
+
+        ValueTask<DateTimeOffset?> IOpenIddictTokenManager.GetExpirationDateAsync(object token, CancellationToken cancellationToken)
+            => GetExpirationDateAsync((TToken) token, cancellationToken);
+
+        ValueTask<string> IOpenIddictTokenManager.GetIdAsync(object token, CancellationToken cancellationToken)
+            => GetIdAsync((TToken) token, cancellationToken);
+
+        ValueTask<string> IOpenIddictTokenManager.GetPayloadAsync(object token, CancellationToken cancellationToken)
+            => GetPayloadAsync((TToken) token, cancellationToken);
+
+        ValueTask<string> IOpenIddictTokenManager.GetReferenceIdAsync(object token, CancellationToken cancellationToken)
+            => GetReferenceIdAsync((TToken) token, cancellationToken);
+
+        ValueTask<string> IOpenIddictTokenManager.GetStatusAsync(object token, CancellationToken cancellationToken)
+            => GetStatusAsync((TToken) token, cancellationToken);
+
+        ValueTask<string> IOpenIddictTokenManager.GetSubjectAsync(object token, CancellationToken cancellationToken)
+            => GetSubjectAsync((TToken) token, cancellationToken);
+
+        ValueTask<string> IOpenIddictTokenManager.GetTokenTypeAsync(object token, CancellationToken cancellationToken)
+            => GetTokenTypeAsync((TToken) token, cancellationToken);
+
+        Task<bool> IOpenIddictTokenManager.IsRedeemedAsync(object token, CancellationToken cancellationToken)
+            => IsRedeemedAsync((TToken) token, cancellationToken);
+
+        Task<bool> IOpenIddictTokenManager.IsRevokedAsync(object token, CancellationToken cancellationToken)
+            => IsRevokedAsync((TToken) token, cancellationToken);
+
+        Task<bool> IOpenIddictTokenManager.IsValidAsync(object token, CancellationToken cancellationToken)
+            => IsValidAsync((TToken) token, cancellationToken);
+
+        async Task<ImmutableArray<object>> IOpenIddictTokenManager.ListAsync(int? count, int? offset, CancellationToken cancellationToken)
+            => (await ListAsync(count, offset, cancellationToken)).CastArray<object>();
+
+        Task<ImmutableArray<TResult>> IOpenIddictTokenManager.ListAsync<TResult>(Func<IQueryable<object>, IQueryable<TResult>> query, CancellationToken cancellationToken)
+            => ListAsync(query, cancellationToken);
+
+        Task<ImmutableArray<TResult>> IOpenIddictTokenManager.ListAsync<TState, TResult>(Func<IQueryable<object>, TState, IQueryable<TResult>> query, TState state, CancellationToken cancellationToken)
+            => ListAsync(query, state, cancellationToken);
+
+        Task<string> IOpenIddictTokenManager.ObfuscateReferenceIdAsync(string identifier, CancellationToken cancellationToken)
+            => ObfuscateReferenceIdAsync(identifier, cancellationToken);
+
+        Task IOpenIddictTokenManager.PopulateAsync(OpenIddictTokenDescriptor descriptor, object token, CancellationToken cancellationToken)
+            => PopulateAsync(descriptor, (TToken) token, cancellationToken);
+
+        Task IOpenIddictTokenManager.PopulateAsync(object token, OpenIddictTokenDescriptor descriptor, CancellationToken cancellationToken)
+            => PopulateAsync((TToken) token, descriptor, cancellationToken);
+
+        Task IOpenIddictTokenManager.PruneAsync(CancellationToken cancellationToken)
+            => PruneAsync(cancellationToken);
+
+        Task IOpenIddictTokenManager.RedeemAsync(object token, CancellationToken cancellationToken)
+            => RedeemAsync((TToken) token, cancellationToken);
+
+        Task IOpenIddictTokenManager.RevokeAsync(object token, CancellationToken cancellationToken)
+            => RevokeAsync((TToken) token, cancellationToken);
+
+        Task IOpenIddictTokenManager.SetApplicationIdAsync(object token, string identifier, CancellationToken cancellationToken)
+            => SetApplicationIdAsync((TToken) token, identifier, cancellationToken);
+
+        Task IOpenIddictTokenManager.SetAuthorizationIdAsync(object token, string identifier, CancellationToken cancellationToken)
+            => SetAuthorizationIdAsync((TToken) token, identifier, cancellationToken);
+
+        Task IOpenIddictTokenManager.UpdateAsync(object token, CancellationToken cancellationToken)
+            => UpdateAsync((TToken) token, cancellationToken);
+
+        Task IOpenIddictTokenManager.UpdateAsync(object token, OpenIddictTokenDescriptor descriptor, CancellationToken cancellationToken)
+            => UpdateAsync((TToken) token, descriptor, cancellationToken);
+
+        Task<ImmutableArray<ValidationResult>> IOpenIddictTokenManager.ValidateAsync(object token, CancellationToken cancellationToken)
+            => ValidateAsync((TToken) token, cancellationToken);
     }
 }

src/OpenIddict.Core/OpenIddict.Core.csproj

@@ -20,12 +20,7 @@
     <PackageReference Include="CryptoHelper" Version="$(CryptoHelperVersion)" />
     <PackageReference Include="JetBrains.Annotations" Version="$(JetBrainsVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="Newtonsoft.Json" Version="$(JsonNetVersion)" />
-    <PackageReference Include="System.Collections.Immutable" Version="$(ImmutableCollectionsVersion)" />
-    <PackageReference Include="System.ComponentModel.Annotations" Version="$(DataAnnotationsVersion)" />
-    <PackageReference Include="System.Threading.Tasks.Extensions" Version="$(TasksExtensionsVersion)" />
   </ItemGroup>
 
 </Project>

src/OpenIddict.Core/OpenIddictCoreExtensions.cs

@@ -5,8 +5,10 @@
  */
 
 using System;
+using System.Text;
 using JetBrains.Annotations;
 using Microsoft.Extensions.DependencyInjection.Extensions;
+using Microsoft.Extensions.Options;
 using OpenIddict.Abstractions;
 using OpenIddict.Core;
 
@@ -41,6 +43,70 @@ namespace Microsoft.Extensions.DependencyInjection
             builder.Services.TryAddScoped<IOpenIddictScopeStoreResolver, OpenIddictScopeStoreResolver>();
             builder.Services.TryAddScoped<IOpenIddictTokenStoreResolver, OpenIddictTokenStoreResolver>();
 
+            builder.Services.TryAddScoped(provider =>
+            {
+                var options = provider.GetRequiredService<IOptionsMonitor<OpenIddictCoreOptions>>().CurrentValue;
+                if (options.DefaultApplicationType == null)
+                {
+                    throw new InvalidOperationException(new StringBuilder()
+                        .AppendLine("The default application type must be configured for the non-generic services to work correctly.")
+                        .Append("To configure the entities, use either 'services.AddOpenIddict().AddCore().UseDefaultModels()' ")
+                        .Append("or 'services.AddOpenIddict().AddCore().UseCustomModels()'.")
+                        .ToString());
+                }
+
+                return (IOpenIddictApplicationManager) provider.GetRequiredService(
+                    typeof(OpenIddictApplicationManager<>).MakeGenericType(options.DefaultApplicationType));
+            });
+
+            builder.Services.TryAddScoped(provider =>
+            {
+                var options = provider.GetRequiredService<IOptionsMonitor<OpenIddictCoreOptions>>().CurrentValue;
+                if (options.DefaultAuthorizationType == null)
+                {
+                    throw new InvalidOperationException(new StringBuilder()
+                        .AppendLine("The default authorization type must be configured for the non-generic services to work correctly.")
+                        .Append("To configure the entities, use either 'services.AddOpenIddict().AddCore().UseDefaultModels()' ")
+                        .Append("or 'services.AddOpenIddict().AddCore().UseCustomModels()'.")
+                        .ToString());
+                }
+
+                return (IOpenIddictAuthorizationManager) provider.GetRequiredService(
+                    typeof(OpenIddictAuthorizationManager<>).MakeGenericType(options.DefaultAuthorizationType));
+            });
+
+            builder.Services.TryAddScoped(provider =>
+            {
+                var options = provider.GetRequiredService<IOptionsMonitor<OpenIddictCoreOptions>>().CurrentValue;
+                if (options.DefaultScopeType == null)
+                {
+                    throw new InvalidOperationException(new StringBuilder()
+                        .AppendLine("The default scope type must be configured for the non-generic services to work correctly.")
+                        .Append("To configure the entities, use either 'services.AddOpenIddict().AddCore().UseDefaultModels()' ")
+                        .Append("or 'services.AddOpenIddict().AddCore().UseCustomModels()'.")
+                        .ToString());
+                }
+
+                return (IOpenIddictScopeManager) provider.GetRequiredService(
+                    typeof(OpenIddictScopeManager<>).MakeGenericType(options.DefaultScopeType));
+            });
+
+            builder.Services.TryAddScoped(provider =>
+            {
+                var options = provider.GetRequiredService<IOptionsMonitor<OpenIddictCoreOptions>>().CurrentValue;
+                if (options.DefaultTokenType == null)
+                {
+                    throw new InvalidOperationException(new StringBuilder()
+                        .AppendLine("The default token type must be configured for the non-generic services to work correctly.")
+                        .Append("To configure the entities, use either 'services.AddOpenIddict().AddCore().UseDefaultModels()' ")
+                        .Append("or 'services.AddOpenIddict().AddCore().UseCustomModels()'.")
+                        .ToString());
+                }
+
+                return (IOpenIddictTokenManager) provider.GetRequiredService(
+                    typeof(OpenIddictTokenManager<>).MakeGenericType(options.DefaultTokenType));
+            });
+
             return new OpenIddictCoreBuilder(builder.Services);
         }
 

src/OpenIddict.Core/OpenIddictCoreOptions.cs

@@ -11,22 +11,26 @@ namespace OpenIddict.Core
     public class OpenIddictCoreOptions
     {
         /// <summary>
-        /// Gets or sets the type corresponding to the Application entity.
+        /// Gets or sets the type corresponding to the default Application entity,
+        /// used by the non-generic application manager and the server/validation services.
         /// </summary>
         public Type DefaultApplicationType { get; set; }
 
         /// <summary>
-        /// Gets or sets the type corresponding to the Authorization entity.
+        /// Gets or sets the type corresponding to the default Authorization entity,
+        /// used by the non-generic authorization manager and the server/validation services.
         /// </summary>
         public Type DefaultAuthorizationType { get; set; }
 
         /// <summary>
-        /// Gets or sets the type corresponding to the Scope entity.
+        /// Gets or sets the type corresponding to the default Scope entity,
+        /// used by the non-generic scope manager and the server/validation services.
         /// </summary>
         public Type DefaultScopeType { get; set; }
 
         /// <summary>
-        /// Gets or sets the type corresponding to the Token entity.
+        /// Gets or sets the type corresponding to the default Token entity,
+        /// used by the non-generic token manager and the server/validation services.
         /// </summary>
         public Type DefaultTokenType { get; set; }
     }

src/OpenIddict.EntityFramework/Stores/OpenIddictAuthorizationStore.cs

@@ -285,7 +285,7 @@ namespace OpenIddict.EntityFramework
         /// <returns>
         /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
         /// </returns>
-        public override async Task PruneAsync(CancellationToken cancellationToken = default)
+        public override async Task PruneAsync(CancellationToken cancellationToken)
         {
             // Note: Entity Framework 6.x doesn't support set-based deletes, which prevents removing
             // entities in a single command without having to retrieve and materialize them first.

src/OpenIddict.EntityFramework/Stores/OpenIddictTokenStore.cs

@@ -291,7 +291,7 @@ namespace OpenIddict.EntityFramework
         /// <returns>
         /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
         /// </returns>
-        public override async Task PruneAsync(CancellationToken cancellationToken = default)
+        public override async Task PruneAsync(CancellationToken cancellationToken)
         {
             // Note: Entity Framework 6.x doesn't support set-based deletes, which prevents removing
             // entities in a single command without having to retrieve and materialize them first.

src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictAuthorizationStore.cs

@@ -527,7 +527,7 @@ namespace OpenIddict.EntityFrameworkCore
         /// <returns>
         /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
         /// </returns>
-        public override async Task PruneAsync(CancellationToken cancellationToken = default)
+        public override async Task PruneAsync(CancellationToken cancellationToken)
         {
             // Note: Entity Framework Core doesn't support set-based deletes, which prevents removing
             // entities in a single command without having to retrieve and materialize them first.

src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictTokenStore.cs

@@ -469,7 +469,7 @@ namespace OpenIddict.EntityFrameworkCore
         /// <returns>
         /// A <see cref="Task"/> that can be used to monitor the asynchronous operation.
         /// </returns>
-        public override async Task PruneAsync(CancellationToken cancellationToken = default)
+        public override async Task PruneAsync(CancellationToken cancellationToken)
         {
             // Note: Entity Framework Core doesn't support set-based deletes, which prevents removing
             // entities in a single command without having to retrieve and materialize them first.

src/OpenIddict.Server/Internal/OpenIddictServerInitializer.cs

@@ -15,7 +15,6 @@ using Microsoft.AspNetCore.DataProtection;
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.Extensions.Options;
 using Microsoft.IdentityModel.Tokens;
-using OpenIddict.Core;
 
 namespace OpenIddict.Server
 {
@@ -28,19 +27,16 @@ namespace OpenIddict.Server
     {
         private readonly IDistributedCache _cache;
         private readonly IDataProtectionProvider _dataProtectionProvider;
-        private readonly IOptionsMonitor<OpenIddictCoreOptions> _options;
 
         /// <summary>
         /// Creates a new instance of the <see cref="OpenIddictServerInitializer"/> class.
         /// </summary>
         public OpenIddictServerInitializer(
             [NotNull] IDistributedCache cache,
-            [NotNull] IDataProtectionProvider dataProtectionProvider,
-            [NotNull] IOptionsMonitor<OpenIddictCoreOptions> options)
+            [NotNull] IDataProtectionProvider dataProtectionProvider)
         {
             _cache = cache;
             _dataProtectionProvider = dataProtectionProvider;
-            _options = options;
         }
 
         /// <summary>
@@ -193,26 +189,6 @@ namespace OpenIddict.Server
             {
                 options.Scopes.Add(OpenIdConnectConstants.Scopes.OfflineAccess);
             }
-
-            if (options.ApplicationType == null)
-            {
-                options.ApplicationType = _options.CurrentValue.DefaultApplicationType;
-            }
-
-            if (options.AuthorizationType == null)
-            {
-                options.AuthorizationType = _options.CurrentValue.DefaultAuthorizationType;
-            }
-
-            if (options.ScopeType == null)
-            {
-                options.ScopeType = _options.CurrentValue.DefaultScopeType;
-            }
-
-            if (options.TokenType == null)
-            {
-                options.TokenType = _options.CurrentValue.DefaultTokenType;
-            }
         }
     }
 }

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Authentication.cs

@@ -23,8 +23,7 @@ using OpenIddict.Abstractions;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         public override async Task ExtractAuthorizationRequest([NotNull] ExtractAuthorizationRequestContext context)
         {
@@ -33,8 +32,8 @@ namespace OpenIddict.Server
             // Reject requests using the unsupported request parameter.
             if (!string.IsNullOrEmpty(context.Request.Request))
             {
-                Logger.LogError("The authorization request was rejected because it contained " +
-                                "an unsupported parameter: {Parameter}.", "request");
+                _logger.LogError("The authorization request was rejected because it contained " +
+                                 "an unsupported parameter: {Parameter}.", "request");
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.RequestNotSupported,
@@ -46,8 +45,8 @@ namespace OpenIddict.Server
             // Reject requests using the unsupported request_uri parameter.
             if (!string.IsNullOrEmpty(context.Request.RequestUri))
             {
-                Logger.LogError("The authorization request was rejected because it contained " +
-                                "an unsupported parameter: {Parameter}.", "request_uri");
+                _logger.LogError("The authorization request was rejected because it contained " +
+                                 "an unsupported parameter: {Parameter}.", "request_uri");
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.RequestUriNotSupported,
@@ -63,8 +62,8 @@ namespace OpenIddict.Server
                 // Return an error if request caching support was not enabled.
                 if (!options.EnableRequestCaching)
                 {
-                    Logger.LogError("The authorization request was rejected because " +
-                                    "request caching support was not enabled.");
+                    _logger.LogError("The authorization request was rejected because " +
+                                     "request caching support was not enabled.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -80,8 +79,8 @@ namespace OpenIddict.Server
                 var payload = await options.Cache.GetAsync(key);
                 if (payload == null)
                 {
-                    Logger.LogError("The authorization request was rejected because an unknown " +
-                                    "or invalid request_id parameter was specified.");
+                    _logger.LogError("The authorization request was rejected because an unknown " +
+                                     "or invalid request_id parameter was specified.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -115,8 +114,8 @@ namespace OpenIddict.Server
             // none and custom flows but OpenIddict uses a stricter policy rejecting none and custum flows.
             if (!context.Request.IsAuthorizationCodeFlow() && !context.Request.IsHybridFlow() && !context.Request.IsImplicitFlow())
             {
-                Logger.LogError("The authorization request was rejected because the '{ResponseType}' " +
-                                "response type is not supported.", context.Request.ResponseType);
+                _logger.LogError("The authorization request was rejected because the '{ResponseType}' " +
+                                 "response type is not supported.", context.Request.ResponseType);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnsupportedResponseType,
@@ -129,8 +128,8 @@ namespace OpenIddict.Server
             if (context.Request.IsAuthorizationCodeFlow() &&
                !options.GrantTypes.Contains(OpenIdConnectConstants.GrantTypes.AuthorizationCode))
             {
-                Logger.LogError("The authorization request was rejected because " +
-                                "the authorization code flow was not enabled.");
+                _logger.LogError("The authorization request was rejected because " +
+                                 "the authorization code flow was not enabled.");
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnsupportedResponseType,
@@ -142,7 +141,7 @@ namespace OpenIddict.Server
             // Reject implicit flow authorization requests if the implicit flow is not enabled.
             if (context.Request.IsImplicitFlow() && !options.GrantTypes.Contains(OpenIdConnectConstants.GrantTypes.Implicit))
             {
-                Logger.LogError("The authorization request was rejected because the implicit flow was not enabled.");
+                _logger.LogError("The authorization request was rejected because the implicit flow was not enabled.");
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnsupportedResponseType,
@@ -155,8 +154,8 @@ namespace OpenIddict.Server
             if (context.Request.IsHybridFlow() && (!options.GrantTypes.Contains(OpenIdConnectConstants.GrantTypes.AuthorizationCode) ||
                                                    !options.GrantTypes.Contains(OpenIdConnectConstants.GrantTypes.Implicit)))
             {
-                Logger.LogError("The authorization request was rejected because the " +
-                                "authorization code flow or the implicit flow was not enabled.");
+                _logger.LogError("The authorization request was rejected because the " +
+                                 "authorization code flow or the implicit flow was not enabled.");
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnsupportedResponseType,
@@ -180,10 +179,10 @@ namespace OpenIddict.Server
             foreach (var scope in context.Request.GetScopes())
             {
                 if (options.EnableScopeValidation && !options.Scopes.Contains(scope) &&
-                    await Scopes.FindByNameAsync(scope) == null)
+                    await _scopeManager.FindByNameAsync(scope) == null)
                 {
-                    Logger.LogError("The authorization request was rejected because an " +
-                                    "unregistered scope was specified: {Scope}.", scope);
+                    _logger.LogError("The authorization request was rejected because an " +
+                                     "unregistered scope was specified: {Scope}.", scope);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -200,8 +199,8 @@ namespace OpenIddict.Server
                                                                        !context.Request.IsFragmentResponseMode() &&
                                                                        !context.Request.IsQueryResponseMode())
             {
-                Logger.LogError("The authorization request was rejected because the '{ResponseMode}' " +
-                                "response mode is not supported.", context.Request.ResponseMode);
+                _logger.LogError("The authorization request was rejected because the '{ResponseMode}' " +
+                                 "response mode is not supported.", context.Request.ResponseMode);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -231,8 +230,8 @@ namespace OpenIddict.Server
                 // reject the authorization request if the code_challenge_method is missing.
                 if (string.IsNullOrEmpty(context.Request.CodeChallengeMethod))
                 {
-                    Logger.LogError("The authorization request was rejected because the " +
-                                    "required 'code_challenge_method' parameter was missing.");
+                    _logger.LogError("The authorization request was rejected because the " +
+                                     "required 'code_challenge_method' parameter was missing.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -245,8 +244,8 @@ namespace OpenIddict.Server
                 // See https://tools.ietf.org/html/rfc7636#section-7.2 for more information.
                 if (string.Equals(context.Request.CodeChallengeMethod, OpenIdConnectConstants.CodeChallengeMethods.Plain))
                 {
-                    Logger.LogError("The authorization request was rejected because the " +
-                                    "'code_challenge_method' parameter was set to 'plain'.");
+                    _logger.LogError("The authorization request was rejected because the " +
+                                     "'code_challenge_method' parameter was set to 'plain'.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -258,8 +257,8 @@ namespace OpenIddict.Server
                 // Reject authorization requests that contain response_type=token when a code_challenge is specified.
                 if (context.Request.HasResponseType(OpenIdConnectConstants.ResponseTypes.Token))
                 {
-                    Logger.LogError("The authorization request was rejected because the " +
-                                    "specified response type was not compatible with PKCE.");
+                    _logger.LogError("The authorization request was rejected because the " +
+                                     "specified response type was not compatible with PKCE.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -270,11 +269,11 @@ namespace OpenIddict.Server
             }
 
             // Retrieve the application details corresponding to the requested client_id.
-            var application = await Applications.FindByClientIdAsync(context.ClientId);
+            var application = await _applicationManager.FindByClientIdAsync(context.ClientId);
             if (application == null)
             {
-                Logger.LogError("The authorization request was rejected because the client " +
-                                "application was not found: '{ClientId}'.", context.ClientId);
+                _logger.LogError("The authorization request was rejected because the client " +
+                                 "application was not found: '{ClientId}'.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -291,7 +290,7 @@ namespace OpenIddict.Server
             // from the authorization endpoint are rejected if the client_id corresponds to a confidential application.
             // Note: when using the authorization code grant, ValidateTokenRequest is responsible of rejecting
             // the token request if the client_id corresponds to an unauthenticated confidential client.
-            if (await Applications.IsConfidentialAsync(application) &&
+            if (await _applicationManager.IsConfidentialAsync(application) &&
                 context.Request.HasResponseType(OpenIdConnectConstants.ResponseTypes.Token))
             {
                 context.Reject(
@@ -302,10 +301,10 @@ namespace OpenIddict.Server
             }
 
             // Reject the request if the application is not allowed to use the authorization endpoint.
-            if (!await Applications.HasPermissionAsync(application, OpenIddictConstants.Permissions.Endpoints.Authorization))
+            if (!await _applicationManager.HasPermissionAsync(application, OpenIddictConstants.Permissions.Endpoints.Authorization))
             {
-                Logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
-                                "was not allowed to use the authorization endpoint.", context.ClientId);
+                _logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
+                                 "was not allowed to use the authorization endpoint.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnauthorizedClient,
@@ -315,11 +314,11 @@ namespace OpenIddict.Server
             }
 
             // Reject the request if the application is not allowed to use the authorization code flow.
-            if (context.Request.IsAuthorizationCodeFlow() && !await Applications.HasPermissionAsync(
+            if (context.Request.IsAuthorizationCodeFlow() && !await _applicationManager.HasPermissionAsync(
                 application, OpenIddictConstants.Permissions.GrantTypes.AuthorizationCode))
             {
-                Logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
-                                "was not allowed to use the authorization code flow.", context.ClientId);
+                _logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
+                                 "was not allowed to use the authorization code flow.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnauthorizedClient,
@@ -329,11 +328,11 @@ namespace OpenIddict.Server
             }
 
             // Reject the request if the application is not allowed to use the implicit flow.
-            if (context.Request.IsImplicitFlow() && !await Applications.HasPermissionAsync(
+            if (context.Request.IsImplicitFlow() && !await _applicationManager.HasPermissionAsync(
                 application, OpenIddictConstants.Permissions.GrantTypes.Implicit))
             {
-                Logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
-                                "was not allowed to use the implicit flow.", context.ClientId);
+                _logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
+                                 "was not allowed to use the implicit flow.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnauthorizedClient,
@@ -344,15 +343,15 @@ namespace OpenIddict.Server
 
             // Reject the request if the application is not allowed to use the authorization code/implicit flows.
             if (context.Request.IsHybridFlow() && 
-               (!await Applications.HasPermissionAsync(application, OpenIddictConstants.Permissions.GrantTypes.AuthorizationCode) ||
-                !await Applications.HasPermissionAsync(application, OpenIddictConstants.Permissions.GrantTypes.Implicit)))
+               (!await _applicationManager.HasPermissionAsync(application, OpenIddictConstants.Permissions.GrantTypes.AuthorizationCode) ||
+                !await _applicationManager.HasPermissionAsync(application, OpenIddictConstants.Permissions.GrantTypes.Implicit)))
             {
-                Logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
-                                "was not allowed to use the hybrid flow.", context.ClientId);
+                _logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
+                                 "was not allowed to use the hybrid flow.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnauthorizedClient,
-                    description: "The client application is not allowed to use the hybrid flow.");
+                    description:  "The client application is not allowed to use the hybrid flow.");
 
                 return;
             }
@@ -360,10 +359,10 @@ namespace OpenIddict.Server
             // Reject the request if the offline_access scope was request and if the
             // application is not allowed to use the authorization code/implicit flows.
             if (context.Request.HasScope(OpenIdConnectConstants.Scopes.OfflineAccess) &&
-               !await Applications.HasPermissionAsync(application, OpenIddictConstants.Permissions.GrantTypes.RefreshToken))
+               !await _applicationManager.HasPermissionAsync(application, OpenIddictConstants.Permissions.GrantTypes.RefreshToken))
             {
-                Logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
-                                "was not allowed to request the 'offline_access' scope.", context.ClientId);
+                _logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
+                                 "was not allowed to request the 'offline_access' scope.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -373,10 +372,10 @@ namespace OpenIddict.Server
             }
 
             // Ensure that the specified redirect_uri is valid and is associated with the client application.
-            if (!await Applications.ValidateRedirectUriAsync(application, context.RedirectUri))
+            if (!await _applicationManager.ValidateRedirectUriAsync(application, context.RedirectUri))
             {
-                Logger.LogError("The authorization request was rejected because the redirect_uri " +
-                                "was invalid: '{RedirectUri}'.", context.RedirectUri);
+                _logger.LogError("The authorization request was rejected because the redirect_uri " +
+                                 "was invalid: '{RedirectUri}'.", context.RedirectUri);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -395,10 +394,10 @@ namespace OpenIddict.Server
                 }
 
                 // Reject the request if the application is not allowed to use the iterated scope.
-                if (!await Applications.HasPermissionAsync(application, OpenIddictConstants.Permissions.Prefixes.Scope + scope))
+                if (!await _applicationManager.HasPermissionAsync(application, OpenIddictConstants.Permissions.Prefixes.Scope + scope))
                 {
-                    Logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
-                                    "was not allowed to use the scope {Scope}.", context.ClientId, scope);
+                    _logger.LogError("The authorization request was rejected because the application '{ClientId}' " +
+                                     "was not allowed to use the scope {Scope}.", context.ClientId, scope);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Discovery.cs

@@ -16,8 +16,7 @@ using OpenIddict.Abstractions;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         public override async Task HandleConfigurationRequest([NotNull] HandleConfigurationRequestContext context)
         {

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Exchange.cs

@@ -16,8 +16,7 @@ using OpenIddict.Abstractions;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         public override async Task ValidateTokenRequest([NotNull] ValidateTokenRequestContext context)
         {
@@ -26,8 +25,8 @@ namespace OpenIddict.Server
             // Reject token requests that don't specify a supported grant type.
             if (!options.GrantTypes.Contains(context.Request.GrantType))
             {
-                Logger.LogError("The token request was rejected because the '{GrantType}' " +
-                                "grant type is not supported.", context.Request.GrantType);
+                _logger.LogError("The token request was rejected because the '{GrantType}' " +
+                                 "grant type is not supported.", context.Request.GrantType);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnsupportedGrantType,
@@ -80,10 +79,10 @@ namespace OpenIddict.Server
             foreach (var scope in context.Request.GetScopes())
             {
                 if (options.EnableScopeValidation && !options.Scopes.Contains(scope) &&
-                    await Scopes.FindByNameAsync(scope) == null)
+                    await _scopeManager.FindByNameAsync(scope) == null)
                 {
-                    Logger.LogError("The token request was rejected because an " +
-                                    "unregistered scope was specified: {Scope}.", scope);
+                    _logger.LogError("The token request was rejected because an " +
+                                     "unregistered scope was specified: {Scope}.", scope);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -117,8 +116,8 @@ namespace OpenIddict.Server
                 // Reject the request if client identification is mandatory.
                 if (options.RequireClientIdentification)
                 {
-                    Logger.LogError("The token request was rejected becaused the " +
-                                    "mandatory client_id parameter was missing or empty.");
+                    _logger.LogError("The token request was rejected becaused the " +
+                                     "mandatory client_id parameter was missing or empty.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -127,8 +126,8 @@ namespace OpenIddict.Server
                     return;
                 }
 
-                Logger.LogDebug("The token request validation process was partially skipped " +
-                                "because the 'client_id' parameter was missing or empty.");
+                _logger.LogDebug("The token request validation process was partially skipped " +
+                                 "because the 'client_id' parameter was missing or empty.");
 
                 context.Skip();
 
@@ -136,11 +135,11 @@ namespace OpenIddict.Server
             }
 
             // Retrieve the application details corresponding to the requested client_id.
-            var application = await Applications.FindByClientIdAsync(context.ClientId);
+            var application = await _applicationManager.FindByClientIdAsync(context.ClientId);
             if (application == null)
             {
-                Logger.LogError("The token request was rejected because the client " +
-                                "application was not found: '{ClientId}'.", context.ClientId);
+                _logger.LogError("The token request was rejected because the client " +
+                                 "application was not found: '{ClientId}'.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -154,10 +153,10 @@ namespace OpenIddict.Server
             context.Request.SetProperty($"{OpenIddictConstants.Properties.Application}:{context.ClientId}", application);
 
             // Reject the request if the application is not allowed to use the token endpoint.
-            if (!await Applications.HasPermissionAsync(application, OpenIddictConstants.Permissions.Endpoints.Token))
+            if (!await _applicationManager.HasPermissionAsync(application, OpenIddictConstants.Permissions.Endpoints.Token))
             {
-                Logger.LogError("The token request was rejected because the application '{ClientId}' " +
-                                "was not allowed to use the token endpoint.", context.ClientId);
+                _logger.LogError("The token request was rejected because the application '{ClientId}' " +
+                                 "was not allowed to use the token endpoint.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnauthorizedClient,
@@ -167,11 +166,11 @@ namespace OpenIddict.Server
             }
 
             // Reject the request if the application is not allowed to use the specified grant type.
-            if (!await Applications.HasPermissionAsync(application,
+            if (!await _applicationManager.HasPermissionAsync(application,
                 OpenIddictConstants.Permissions.Prefixes.GrantType + context.Request.GrantType))
             {
-                Logger.LogError("The token request was rejected because the application '{ClientId}' was not allowed to " +
-                                "use the specified grant type: {GrantType}.", context.ClientId, context.Request.GrantType);
+                _logger.LogError("The token request was rejected because the application '{ClientId}' was not allowed to " +
+                                 "use the specified grant type: {GrantType}.", context.ClientId, context.Request.GrantType);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnauthorizedClient,
@@ -180,13 +179,13 @@ namespace OpenIddict.Server
                 return;
             }
 
-            if (await Applications.IsPublicAsync(application))
+            if (await _applicationManager.IsPublicAsync(application))
             {
                 // Note: public applications are not allowed to use the client credentials grant.
                 if (context.Request.IsClientCredentialsGrantType())
                 {
-                    Logger.LogError("The token request was rejected because the public client application '{ClientId}' " +
-                                    "was not allowed to use the client credentials grant.", context.Request.ClientId);
+                    _logger.LogError("The token request was rejected because the public client application '{ClientId}' " +
+                                     "was not allowed to use the client credentials grant.", context.Request.ClientId);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.UnauthorizedClient,
@@ -198,8 +197,8 @@ namespace OpenIddict.Server
                 // Reject token requests containing a client_secret when the client is a public application.
                 if (!string.IsNullOrEmpty(context.ClientSecret))
                 {
-                    Logger.LogError("The token request was rejected because the public application '{ClientId}' " +
-                                    "was not allowed to send a client secret.", context.ClientId);
+                    _logger.LogError("The token request was rejected because the public application '{ClientId}' " +
+                                     "was not allowed to send a client secret.", context.ClientId);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -208,8 +207,8 @@ namespace OpenIddict.Server
                     return;
                 }
 
-                Logger.LogDebug("The token request validation process was not fully validated because " +
-                                "the client '{ClientId}' was a public application.", context.ClientId);
+                _logger.LogDebug("The token request validation process was not fully validated because " +
+                                 "the client '{ClientId}' was a public application.", context.ClientId);
 
                 // If client authentication cannot be enforced, call context.Skip() to inform
                 // the OpenID Connect server middleware that the caller cannot be fully trusted.
@@ -222,8 +221,8 @@ namespace OpenIddict.Server
             // to protect them from impersonation attacks.
             if (string.IsNullOrEmpty(context.ClientSecret))
             {
-                Logger.LogError("The token request was rejected because the confidential or hybrid application " +
-                                "'{ClientId}' didn't specify a client secret.", context.ClientId);
+                _logger.LogError("The token request was rejected because the confidential or hybrid application " +
+                                 "'{ClientId}' didn't specify a client secret.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -232,10 +231,10 @@ namespace OpenIddict.Server
                 return;
             }
 
-            if (!await Applications.ValidateClientSecretAsync(application, context.ClientSecret))
+            if (!await _applicationManager.ValidateClientSecretAsync(application, context.ClientSecret))
             {
-                Logger.LogError("The token request was rejected because the confidential or hybrid application " +
-                                "'{ClientId}' didn't specify valid client credentials.", context.ClientId);
+                _logger.LogError("The token request was rejected because the confidential or hybrid application " +
+                                 "'{ClientId}' didn't specify valid client credentials.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -254,11 +253,11 @@ namespace OpenIddict.Server
                 }
 
                 // Reject the request if the application is not allowed to use the iterated scope.
-                if (!await Applications.HasPermissionAsync(application,
+                if (!await _applicationManager.HasPermissionAsync(application,
                     OpenIddictConstants.Permissions.Prefixes.Scope + scope))
                 {
-                    Logger.LogError("The token request was rejected because the application '{ClientId}' " +
-                                    "was not allowed to use the scope {Scope}.", context.ClientId, scope);
+                    _logger.LogError("The token request was rejected because the application '{ClientId}' " +
+                                     "was not allowed to use the scope {Scope}.", context.ClientId, scope);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -298,13 +297,13 @@ namespace OpenIddict.Server
             Debug.Assert(!string.IsNullOrEmpty(identifier), "The authentication ticket should contain a token identifier.");
 
             // Retrieve the authorization code/refresh token from the request properties.
-            var token = context.Request.GetProperty<TToken>($"{OpenIddictConstants.Properties.Token}:{identifier}");
+            var token = context.Request.GetProperty($"{OpenIddictConstants.Properties.Token}:{identifier}");
             Debug.Assert(token != null, "The token shouldn't be null.");
 
             // If the authorization code/refresh token is already marked as redeemed, this may indicate that
             // it was compromised. In this case, revoke the authorization and all the associated tokens. 
             // See https://tools.ietf.org/html/rfc6749#section-10.5 for more information.
-            if (await Tokens.IsRedeemedAsync(token))
+            if (await _tokenManager.IsRedeemedAsync(token))
             {
                 // Try to revoke the authorization and the associated tokens.
                 // If the operation fails, the helpers will automatically log
@@ -314,8 +313,8 @@ namespace OpenIddict.Server
                 await TryRevokeTokensAsync(context.Ticket);
                 await TryRevokeTokenAsync(token);
 
-                Logger.LogError("The token request was rejected because the authorization code " +
-                                "or refresh token '{Identifier}' has already been redeemed.", identifier);
+                _logger.LogError("The token request was rejected because the authorization code " +
+                                 "or refresh token '{Identifier}' has already been redeemed.", identifier);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidGrant,
@@ -326,10 +325,10 @@ namespace OpenIddict.Server
                 return;
             }
 
-            else if (!await Tokens.IsValidAsync(token))
+            else if (!await _tokenManager.IsValidAsync(token))
             {
-                Logger.LogError("The token request was rejected because the authorization code " +
-                                "or refresh token '{Identifier}' was no longer valid.", identifier);
+                _logger.LogError("The token request was rejected because the authorization code " +
+                                 "or refresh token '{Identifier}' was no longer valid.", identifier);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidGrant,

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Helpers.cs

@@ -18,12 +18,10 @@ using Microsoft.Extensions.Logging;
 using Microsoft.IdentityModel.Tokens;
 using Newtonsoft.Json.Linq;
 using OpenIddict.Abstractions;
-using OpenIddict.Core;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         private async Task CreateAuthorizationAsync([NotNull] AuthenticationTicket ticket,
             [NotNull] OpenIddictServerOptions options, [NotNull] OpenIdConnectRequest request)
@@ -49,28 +47,28 @@ namespace OpenIddict.Server
             // If the client application is known, bind it to the authorization.
             if (!string.IsNullOrEmpty(request.ClientId))
             {
-                var application = request.GetProperty<TApplication>($"{OpenIddictConstants.Properties.Application}:{request.ClientId}");
+                var application = request.GetProperty($"{OpenIddictConstants.Properties.Application}:{request.ClientId}");
                 Debug.Assert(application != null, "The client application shouldn't be null.");
 
-                descriptor.ApplicationId = await Applications.GetIdAsync(application);
+                descriptor.ApplicationId = await _applicationManager.GetIdAsync(application);
             }
 
-            var authorization = await Authorizations.CreateAsync(descriptor);
+            var authorization = await _authorizationManager.CreateAsync(descriptor);
             if (authorization != null)
             {
-                var identifier = await Authorizations.GetIdAsync(authorization);
+                var identifier = await _authorizationManager.GetIdAsync(authorization);
 
                 if (string.IsNullOrEmpty(request.ClientId))
                 {
-                    Logger.LogInformation("An ad hoc authorization was automatically created and " +
-                                          "associated with an unknown application: {Identifier}.", identifier);
+                    _logger.LogInformation("An ad hoc authorization was automatically created and " +
+                                           "associated with an unknown application: {Identifier}.", identifier);
                 }
 
                 else
                 {
-                    Logger.LogInformation("An ad hoc authorization was automatically created and " +
-                                          "associated with the '{ClientId}' application: {Identifier}.",
-                                          request.ClientId, identifier);
+                    _logger.LogInformation("An ad hoc authorization was automatically created and " +
+                                           "associated with the '{ClientId}' application: {Identifier}.",
+                                           request.ClientId, identifier);
                 }
 
                 // Attach the unique identifier of the ad hoc authorization to the authentication ticket
@@ -155,7 +153,7 @@ namespace OpenIddict.Server
                 result = Base64UrlEncoder.Encode(bytes);
 
                 // Obfuscate the reference identifier so it can be safely stored in the databse.
-                descriptor.ReferenceId = await Tokens.ObfuscateReferenceIdAsync(result);
+                descriptor.ReferenceId = await _tokenManager.ObfuscateReferenceIdAsync(result);
             }
 
             // Otherwise, only create a token metadata entry for authorization codes and refresh tokens.
@@ -168,24 +166,24 @@ namespace OpenIddict.Server
             // If the client application is known, associate it with the token.
             if (!string.IsNullOrEmpty(request.ClientId))
             {
-                var application = request.GetProperty<TApplication>($"{OpenIddictConstants.Properties.Application}:{request.ClientId}");
+                var application = request.GetProperty($"{OpenIddictConstants.Properties.Application}:{request.ClientId}");
                 Debug.Assert(application != null, "The client application shouldn't be null.");
 
-                descriptor.ApplicationId = await Applications.GetIdAsync(application);
+                descriptor.ApplicationId = await _applicationManager.GetIdAsync(application);
             }
 
             // If a null value was returned by CreateAsync(), return immediately.
 
             // Note: the request cancellation token is deliberately not used here to ensure the caller
             // cannot prevent this operation from being executed by resetting the TCP connection.
-            var token = await Tokens.CreateAsync(descriptor);
+            var token = await _tokenManager.CreateAsync(descriptor);
             if (token == null)
             {
                 return null;
             }
 
             // Throw an exception if the token identifier can't be resolved.
-            var identifier = await Tokens.GetIdAsync(token);
+            var identifier = await _tokenManager.GetIdAsync(token);
             if (string.IsNullOrEmpty(identifier))
             {
                 throw new InvalidOperationException("The unique key associated with a refresh token cannot be null or empty.");
@@ -204,9 +202,9 @@ namespace OpenIddict.Server
 
             if (!string.IsNullOrEmpty(result))
             {
-                Logger.LogTrace("A new reference token was successfully generated and persisted " +
-                                "in the database: {Token} ; {Claims} ; {Properties}.",
-                                result, ticket.Principal.Claims, ticket.Properties.Items);
+                _logger.LogTrace("A new reference token was successfully generated and persisted " +
+                                 "in the database: {Token} ; {Claims} ; {Properties}.",
+                                 result, ticket.Principal.Claims, ticket.Properties.Items);
             }
 
             return result;
@@ -228,7 +226,7 @@ namespace OpenIddict.Server
 
             string identifier;
             AuthenticationTicket ticket;
-            TToken token;
+            object token;
 
             if (options.UseReferenceTokens)
             {
@@ -239,14 +237,14 @@ namespace OpenIddict.Server
                 // the property value (that may be null) is used instead of making a database call.
                 if (request.HasProperty($"{OpenIddictConstants.Properties.ReferenceToken}:{value}"))
                 {
-                    token = request.GetProperty<TToken>($"{OpenIddictConstants.Properties.ReferenceToken}:{value}");
+                    token = request.GetProperty($"{OpenIddictConstants.Properties.ReferenceToken}:{value}");
                 }
 
                 else
                 {
                     // Retrieve the token entry from the database. If it
                     // cannot be found, assume the token is not valid.
-                    token = await Tokens.FindByReferenceIdAsync(value);
+                    token = await _tokenManager.FindByReferenceIdAsync(value);
 
                     // Store the token as a request property so it can be retrieved if this method is called another time.
                     request.AddProperty($"{OpenIddictConstants.Properties.ReferenceToken}:{value}", token);
@@ -254,28 +252,28 @@ namespace OpenIddict.Server
 
                 if (token == null)
                 {
-                    Logger.LogInformation("The reference token corresponding to the '{Identifier}' " +
-                                          "reference identifier cannot be found in the database.", value);
+                    _logger.LogInformation("The reference token corresponding to the '{Identifier}' " +
+                                           "reference identifier cannot be found in the database.", value);
 
                     return null;
                 }
 
-                identifier = await Tokens.GetIdAsync(token);
+                identifier = await _tokenManager.GetIdAsync(token);
                 if (string.IsNullOrEmpty(identifier))
                 {
-                    Logger.LogWarning("The identifier associated with the received token cannot be retrieved. " +
-                                      "This may indicate that the token entry is corrupted.");
+                    _logger.LogWarning("The identifier associated with the received token cannot be retrieved. " +
+                                       "This may indicate that the token entry is corrupted.");
 
                     return null;
                 }
 
                 // Extract the encrypted payload from the token. If it's null or empty,
                 // assume the token is not a reference token and consider it as invalid.
-                var payload = await Tokens.GetPayloadAsync(token);
+                var payload = await _tokenManager.GetPayloadAsync(token);
                 if (string.IsNullOrEmpty(payload))
                 {
-                    Logger.LogWarning("The ciphertext associated with the token '{Identifier}' cannot be retrieved. " +
-                                      "This may indicate that the token is not a reference token.", identifier);
+                    _logger.LogWarning("The ciphertext associated with the token '{Identifier}' cannot be retrieved. " +
+                                       "This may indicate that the token is not a reference token.", identifier);
 
                     return null;
                 }
@@ -283,9 +281,9 @@ namespace OpenIddict.Server
                 ticket = format.Unprotect(payload);
                 if (ticket == null)
                 {
-                    Logger.LogWarning("The ciphertext associated with the token '{Identifier}' cannot be decrypted. " +
-                                      "This may indicate that the token entry is corrupted or tampered.",
-                                      await Tokens.GetIdAsync(token));
+                    _logger.LogWarning("The ciphertext associated with the token '{Identifier}' cannot be decrypted. " +
+                                       "This may indicate that the token entry is corrupted or tampered.",
+                                       await _tokenManager.GetIdAsync(token));
 
                     return null;
                 }
@@ -299,7 +297,7 @@ namespace OpenIddict.Server
                 ticket = format.Unprotect(value);
                 if (ticket == null)
                 {
-                    Logger.LogTrace("The received token was invalid or malformed: {Token}.", value);
+                    _logger.LogTrace("The received token was invalid or malformed: {Token}.", value);
 
                     return null;
                 }
@@ -307,8 +305,8 @@ namespace OpenIddict.Server
                 identifier = ticket.GetTokenId();
                 if (string.IsNullOrEmpty(identifier))
                 {
-                    Logger.LogWarning("The identifier associated with the received token cannot be retrieved. " +
-                                      "This may indicate that the token entry is corrupted.");
+                    _logger.LogWarning("The identifier associated with the received token cannot be retrieved. " +
+                                       "This may indicate that the token entry is corrupted.");
 
                     return null;
                 }
@@ -320,14 +318,14 @@ namespace OpenIddict.Server
                 // the property value (that may be null) is used instead of making a database call.
                 if (request.HasProperty($"{OpenIddictConstants.Properties.Token}:{identifier}"))
                 {
-                    token = request.GetProperty<TToken>($"{OpenIddictConstants.Properties.Token}:{identifier}");
+                    token = request.GetProperty($"{OpenIddictConstants.Properties.Token}:{identifier}");
                 }
 
                 // Otherwise, retrieve the authorization code/refresh token entry from the database.
                 // If it cannot be found, assume the authorization code/refresh token is not valid.
                 else
                 {
-                    token = await Tokens.FindByIdAsync(identifier);
+                    token = await _tokenManager.FindByIdAsync(identifier);
 
                     // Store the token as a request property so it can be retrieved if this method is called another time.
                     request.AddProperty($"{OpenIddictConstants.Properties.Token}:{identifier}", token);
@@ -335,7 +333,7 @@ namespace OpenIddict.Server
 
                 if (token == null)
                 {
-                    Logger.LogInformation("The token '{Identifier}' cannot be found in the database.", ticket.GetTokenId());
+                    _logger.LogInformation("The token '{Identifier}' cannot be found in the database.", ticket.GetTokenId());
 
                     return null;
                 }
@@ -351,16 +349,16 @@ namespace OpenIddict.Server
             ticket.SetTokenId(identifier);
 
             // Dynamically set the creation and expiration dates.
-            ticket.Properties.IssuedUtc = await Tokens.GetCreationDateAsync(token);
-            ticket.Properties.ExpiresUtc = await Tokens.GetExpirationDateAsync(token);
+            ticket.Properties.IssuedUtc = await _tokenManager.GetCreationDateAsync(token);
+            ticket.Properties.ExpiresUtc = await _tokenManager.GetExpirationDateAsync(token);
 
             // Restore the authorization identifier using the identifier attached with the database entry.
             ticket.SetProperty(OpenIddictConstants.Properties.AuthorizationId,
-                await Tokens.GetAuthorizationIdAsync(token));
+                await _tokenManager.GetAuthorizationIdAsync(token));
 
-            Logger.LogTrace("The token '{Identifier}' was successfully decrypted and " +
-                            "retrieved from the database: {Claims} ; {Properties}.",
-                            ticket.GetTokenId(), ticket.Principal.Claims, ticket.Properties.Items);
+            _logger.LogTrace("The token '{Identifier}' was successfully decrypted and " +
+                             "retrieved from the database: {Claims} ; {Properties}.",
+                             ticket.GetTokenId(), ticket.Principal.Claims, ticket.Properties.Items);
 
             return ticket;
         }
@@ -376,7 +374,7 @@ namespace OpenIddict.Server
                 return true;
             }
 
-            var authorization = await Authorizations.FindByIdAsync(identifier);
+            var authorization = await _authorizationManager.FindByIdAsync(identifier);
             if (authorization == null)
             {
                 return true;
@@ -386,42 +384,42 @@ namespace OpenIddict.Server
             {
                 // Note: the request cancellation token is deliberately not used here to ensure the caller
                 // cannot prevent this operation from being executed by resetting the TCP connection.
-                await Authorizations.RevokeAsync(authorization);
+                await _authorizationManager.RevokeAsync(authorization);
 
-                Logger.LogInformation("The authorization '{Identifier}' was automatically revoked.", identifier);
+                _logger.LogInformation("The authorization '{Identifier}' was automatically revoked.", identifier);
 
                 return true;
             }
 
             catch (Exception exception)
             {
-                Logger.LogDebug(exception, "An exception occurred while trying to revoke the authorization " +
-                                           "associated with the token '{Identifier}'.", identifier);
+                _logger.LogDebug(exception, "An exception occurred while trying to revoke the authorization " +
+                                            "associated with the token '{Identifier}'.", identifier);
 
                 return false;
             }
         }
 
-        private async Task<bool> TryRevokeTokenAsync([NotNull] TToken token)
+        private async Task<bool> TryRevokeTokenAsync([NotNull] object token)
         {
-            var identifier = await Tokens.GetIdAsync(token);
+            var identifier = await _tokenManager.GetIdAsync(token);
             Debug.Assert(!string.IsNullOrEmpty(identifier), "The token identifier shouldn't be null or empty.");
 
             try
             {
                 // Note: the request cancellation token is deliberately not used here to ensure the caller
                 // cannot prevent this operation from being executed by resetting the TCP connection.
-                await Tokens.RevokeAsync(token);
+                await _tokenManager.RevokeAsync(token);
 
-                Logger.LogInformation("The token '{Identifier}' was automatically revoked.", identifier);
+                _logger.LogInformation("The token '{Identifier}' was automatically revoked.", identifier);
 
                 return true;
             }
 
             catch (Exception exception)
             {
-                Logger.LogDebug(exception, "An exception occurred while trying to revoke " +
-                                           "the token '{Identifier}'.", identifier);
+                _logger.LogDebug(exception, "An exception occurred while trying to revoke " +
+                                            "the token '{Identifier}'.", identifier);
 
                 return false;
             }
@@ -438,10 +436,10 @@ namespace OpenIddict.Server
 
             var result = true;
 
-            foreach (var token in await Tokens.FindByAuthorizationIdAsync(identifier))
+            foreach (var token in await _tokenManager.FindByAuthorizationIdAsync(identifier))
             {
                 // Don't change the status of the token used in the token request.
-                if (string.Equals(ticket.GetTokenId(), await Tokens.GetIdAsync(token), StringComparison.Ordinal))
+                if (string.Equals(ticket.GetTokenId(), await _tokenManager.GetIdAsync(token), StringComparison.Ordinal))
                 {
                     continue;
                 }
@@ -452,33 +450,33 @@ namespace OpenIddict.Server
             return result;
         }
 
-        private async Task<bool> TryRedeemTokenAsync([NotNull] TToken token)
+        private async Task<bool> TryRedeemTokenAsync([NotNull] object token)
         {
-            var identifier = await Tokens.GetIdAsync(token);
+            var identifier = await _tokenManager.GetIdAsync(token);
             Debug.Assert(!string.IsNullOrEmpty(identifier), "The token identifier shouldn't be null or empty.");
 
             try
             {
                 // Note: the request cancellation token is deliberately not used here to ensure the caller
                 // cannot prevent this operation from being executed by resetting the TCP connection.
-                await Tokens.RedeemAsync(token);
+                await _tokenManager.RedeemAsync(token);
 
-                Logger.LogInformation("The token '{Identifier}' was automatically marked as redeemed.", identifier);
+                _logger.LogInformation("The token '{Identifier}' was automatically marked as redeemed.", identifier);
 
                 return true;
             }
 
             catch (Exception exception)
             {
-                Logger.LogDebug(exception, "An exception occurred while trying to " +
-                                           "redeem the token '{Identifier}'.", identifier);
+                _logger.LogDebug(exception, "An exception occurred while trying to " +
+                                            "redeem the token '{Identifier}'.", identifier);
 
                 return false;
             }
         }
 
         private async Task<bool> TryExtendTokenAsync(
-            [NotNull] TToken token, [NotNull] AuthenticationTicket ticket, [NotNull] OpenIddictServerOptions options)
+            [NotNull] object token, [NotNull] AuthenticationTicket ticket, [NotNull] OpenIddictServerOptions options)
         {
             var identifier = ticket.GetTokenId();
             Debug.Assert(!string.IsNullOrEmpty(identifier), "The token identifier shouldn't be null or empty.");
@@ -491,18 +489,18 @@ namespace OpenIddict.Server
 
                 // Note: the request cancellation token is deliberately not used here to ensure the caller
                 // cannot prevent this operation from being executed by resetting the TCP connection.
-                await Tokens.ExtendAsync(token, date);
+                await _tokenManager.ExtendAsync(token, date);
 
-                Logger.LogInformation("The expiration date of the refresh token '{Identifier}' " +
-                                      "was automatically updated: {Date}.", identifier, date);
+                _logger.LogInformation("The expiration date of the refresh token '{Identifier}' " +
+                                       "was automatically updated: {Date}.", identifier, date);
 
                 return true;
             }
 
             catch (Exception exception)
             {
-                Logger.LogDebug(exception, "An exception occurred while trying to update the " +
-                                           "expiration date of the token '{Identifier}'.", identifier);
+                _logger.LogDebug(exception, "An exception occurred while trying to update the " +
+                                            "expiration date of the token '{Identifier}'.", identifier);
 
                 return false;
             }
@@ -544,8 +542,8 @@ namespace OpenIddict.Server
 
                     catch (Exception exception)
                     {
-                        Logger.LogWarning(exception, "An error occurred while parsing the public property " +
-                                                     "'{Name}' from the authentication ticket.", name);
+                        _logger.LogWarning(exception, "An error occurred while parsing the public property " +
+                                                      "'{Name}' from the authentication ticket.", name);
 
                         continue;
                     }
@@ -568,8 +566,8 @@ namespace OpenIddict.Server
 
                     catch (Exception exception)
                     {
-                        Logger.LogWarning(exception, "An error occurred while parsing the public property " +
-                                                     "'{Name}' from the authentication ticket.", name);
+                        _logger.LogWarning(exception, "An error occurred while parsing the public property " +
+                                                      "'{Name}' from the authentication ticket.", name);
 
                         continue;
                     }
@@ -585,8 +583,8 @@ namespace OpenIddict.Server
 
                     if (request.IsAuthorizationRequest() || request.IsLogoutRequest())
                     {
-                        Logger.LogWarning("The JSON property '{Name}' was excluded as it was not " +
-                                          "compatible with the OpenID Connect response type.", name);
+                        _logger.LogWarning("The JSON property '{Name}' was excluded as it was not " +
+                                           "compatible with the OpenID Connect response type.", name);
 
                         continue;
                     }
@@ -600,8 +598,8 @@ namespace OpenIddict.Server
 
                     catch (Exception exception)
                     {
-                        Logger.LogWarning(exception, "An error occurred while deserializing the public JSON " +
-                                                     "property '{Name}' from the authentication ticket.", name);
+                        _logger.LogWarning(exception, "An error occurred while deserializing the public JSON " +
+                                                      "property '{Name}' from the authentication ticket.", name);
 
                         continue;
                     }

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Introspection.cs

@@ -16,8 +16,7 @@ using OpenIddict.Abstractions;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         public override Task ExtractIntrospectionRequest([NotNull] ExtractIntrospectionRequestContext context)
         {
@@ -51,11 +50,11 @@ namespace OpenIddict.Server
             }
 
             // Retrieve the application details corresponding to the requested client_id.
-            var application = await Applications.FindByClientIdAsync(context.ClientId);
+            var application = await _applicationManager.FindByClientIdAsync(context.ClientId);
             if (application == null)
             {
-                Logger.LogError("The introspection request was rejected because the client " +
-                                "application was not found: '{ClientId}'.", context.ClientId);
+                _logger.LogError("The introspection request was rejected because the client " +
+                                 "application was not found: '{ClientId}'.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -69,10 +68,10 @@ namespace OpenIddict.Server
             context.Request.SetProperty($"{OpenIddictConstants.Properties.Application}:{context.ClientId}", application);
 
             // Reject the request if the application is not allowed to use the introspection endpoint.
-            if (!await Applications.HasPermissionAsync(application, OpenIddictConstants.Permissions.Endpoints.Introspection))
+            if (!await _applicationManager.HasPermissionAsync(application, OpenIddictConstants.Permissions.Endpoints.Introspection))
             {
-                Logger.LogError("The introspection request was rejected because the application '{ClientId}' " +
-                                "was not allowed to use the introspection endpoint.", context.ClientId);
+                _logger.LogError("The introspection request was rejected because the application '{ClientId}' " +
+                                 "was not allowed to use the introspection endpoint.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnauthorizedClient,
@@ -82,10 +81,10 @@ namespace OpenIddict.Server
             }
 
             // Reject introspection requests sent by public applications.
-            if (await Applications.IsPublicAsync(application))
+            if (await _applicationManager.IsPublicAsync(application))
             {
-                Logger.LogError("The introspection request was rejected because the public application " +
-                                "'{ClientId}' was not allowed to use this endpoint.", context.ClientId);
+                _logger.LogError("The introspection request was rejected because the public application " +
+                                 "'{ClientId}' was not allowed to use this endpoint.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -95,10 +94,10 @@ namespace OpenIddict.Server
             }
 
             // Validate the client credentials.
-            if (!await Applications.ValidateClientSecretAsync(application, context.ClientSecret))
+            if (!await _applicationManager.ValidateClientSecretAsync(application, context.ClientSecret))
             {
-                Logger.LogError("The introspection request was rejected because the confidential or hybrid application " +
-                                "'{ClientId}' didn't specify valid client credentials.", context.ClientId);
+                _logger.LogError("The introspection request was rejected because the confidential or hybrid application " +
+                                 "'{ClientId}' didn't specify valid client credentials.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -122,7 +121,7 @@ namespace OpenIddict.Server
 
             if (!context.Ticket.IsAccessToken())
             {
-                Logger.LogError("The token '{Identifier}' is not an access token and thus cannot be introspected.", identifier);
+                _logger.LogError("The token '{Identifier}' is not an access token and thus cannot be introspected.", identifier);
 
                 context.Active = false;
 
@@ -134,9 +133,9 @@ namespace OpenIddict.Server
             // For that, an error is automatically returned if no explicit audience is attached to the authentication ticket.
             if (!context.Ticket.HasAudience())
             {
-                Logger.LogError("The token '{Identifier}' doesn't have any audience attached " +
-                                "and cannot be introspected. To add an audience, use the " +
-                                "'ticket.SetResources(...)' extension when creating the ticket.", identifier);
+                _logger.LogError("The token '{Identifier}' doesn't have any audience attached " +
+                                 "and cannot be introspected. To add an audience, use the " +
+                                 "'ticket.SetResources(...)' extension when creating the ticket.", identifier);
 
                 context.Active = false;
 
@@ -145,9 +144,9 @@ namespace OpenIddict.Server
 
             if (!context.Ticket.HasAudience(context.Request.ClientId))
             {
-                Logger.LogError("The client application '{ClientId}' is not allowed to introspect the access " +
-                                "token '{Identifier}' because it's not listed as a valid audience.",
-                                context.Request.ClientId, identifier);
+                _logger.LogError("The client application '{ClientId}' is not allowed to introspect the access " +
+                                 "token '{Identifier}' because it's not listed as a valid audience.",
+                                 context.Request.ClientId, identifier);
 
                 context.Active = false;
 
@@ -162,12 +161,12 @@ namespace OpenIddict.Server
             }
 
             // Retrieve the token from the request properties. If it's marked as invalid, return active = false.
-            var token = context.Request.GetProperty<TToken>($"{OpenIddictConstants.Properties.Token}:{identifier}");
+            var token = context.Request.GetProperty($"{OpenIddictConstants.Properties.Token}:{identifier}");
             Debug.Assert(token != null, "The token shouldn't be null.");
 
-            if (!await Tokens.IsValidAsync(token))
+            if (!await _tokenManager.IsValidAsync(token))
             {
-                Logger.LogInformation("The token '{Identifier}' was declared as inactive because it was revoked.", identifier);
+                _logger.LogInformation("The token '{Identifier}' was declared as inactive because it was revoked.", identifier);
 
                 context.Active = false;
 

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Revocation.cs

@@ -16,8 +16,7 @@ using OpenIddict.Abstractions;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         public override async Task ValidateRevocationRequest([NotNull] ValidateRevocationRequestContext context)
         {
@@ -58,8 +57,8 @@ namespace OpenIddict.Server
                 // Reject the request if client identification is mandatory.
                 if (options.RequireClientIdentification)
                 {
-                    Logger.LogError("The revocation request was rejected becaused the " +
-                                    "mandatory client_id parameter was missing or empty.");
+                    _logger.LogError("The revocation request was rejected becaused the " +
+                                     "mandatory client_id parameter was missing or empty.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -68,8 +67,8 @@ namespace OpenIddict.Server
                     return;
                 }
 
-                Logger.LogDebug("The revocation request validation process was skipped " +
-                                "because the client_id parameter was missing or empty.");
+                _logger.LogDebug("The revocation request validation process was skipped " +
+                                 "because the client_id parameter was missing or empty.");
 
                 context.Skip();
 
@@ -77,11 +76,11 @@ namespace OpenIddict.Server
             }
 
             // Retrieve the application details corresponding to the requested client_id.
-            var application = await Applications.FindByClientIdAsync(context.ClientId);
+            var application = await _applicationManager.FindByClientIdAsync(context.ClientId);
             if (application == null)
             {
-                Logger.LogError("The revocation request was rejected because the client " +
-                                "application was not found: '{ClientId}'.", context.ClientId);
+                _logger.LogError("The revocation request was rejected because the client " +
+                                 "application was not found: '{ClientId}'.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -95,10 +94,10 @@ namespace OpenIddict.Server
             context.Request.SetProperty($"{OpenIddictConstants.Properties.Application}:{context.ClientId}", application);
 
             // Reject the request if the application is not allowed to use the revocation endpoint.
-            if (!await Applications.HasPermissionAsync(application, OpenIddictConstants.Permissions.Endpoints.Revocation))
+            if (!await _applicationManager.HasPermissionAsync(application, OpenIddictConstants.Permissions.Endpoints.Revocation))
             {
-                Logger.LogError("The revocation request was rejected because the application '{ClientId}' " +
-                                "was not allowed to use the revocation endpoint.", context.ClientId);
+                _logger.LogError("The revocation request was rejected because the application '{ClientId}' " +
+                                 "was not allowed to use the revocation endpoint.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnauthorizedClient,
@@ -108,12 +107,12 @@ namespace OpenIddict.Server
             }
 
             // Reject revocation requests containing a client_secret if the application is a public client.
-            if (await Applications.IsPublicAsync(application))
+            if (await _applicationManager.IsPublicAsync(application))
             {
                 if (!string.IsNullOrEmpty(context.ClientSecret))
                 {
-                    Logger.LogError("The revocation request was rejected because the public application " +
-                                    "'{ClientId}' was not allowed to use this endpoint.", context.ClientId);
+                    _logger.LogError("The revocation request was rejected because the public application " +
+                                     "'{ClientId}' was not allowed to use this endpoint.", context.ClientId);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -122,8 +121,8 @@ namespace OpenIddict.Server
                     return;
                 }
 
-                Logger.LogDebug("The revocation request validation process was not fully validated because " +
-                                "the client '{ClientId}' was a public application.", context.ClientId);
+                _logger.LogDebug("The revocation request validation process was not fully validated because " +
+                                 "the client '{ClientId}' was a public application.", context.ClientId);
 
                 // If client authentication cannot be enforced, call context.Skip() to inform
                 // the OpenID Connect server middleware that the caller cannot be fully trusted.
@@ -136,8 +135,8 @@ namespace OpenIddict.Server
             // to protect them from impersonation attacks.
             if (string.IsNullOrEmpty(context.ClientSecret))
             {
-                Logger.LogError("The revocation request was rejected because the confidential or hybrid application " +
-                                "'{ClientId}' didn't specify a client secret.", context.ClientId);
+                _logger.LogError("The revocation request was rejected because the confidential or hybrid application " +
+                                 "'{ClientId}' didn't specify a client secret.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -146,10 +145,10 @@ namespace OpenIddict.Server
                 return;
             }
 
-            if (!await Applications.ValidateClientSecretAsync(application, context.ClientSecret))
+            if (!await _applicationManager.ValidateClientSecretAsync(application, context.ClientSecret))
             {
-                Logger.LogError("The revocation request was rejected because the confidential or hybrid application " +
-                                "'{ClientId}' didn't specify valid client credentials.", context.ClientId);
+                _logger.LogError("The revocation request was rejected because the confidential or hybrid application " +
+                                 "'{ClientId}' didn't specify valid client credentials.", context.ClientId);
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.InvalidClient,
@@ -171,7 +170,7 @@ namespace OpenIddict.Server
             // return an error to indicate that the token cannot be revoked.
             if (context.Ticket.IsIdentityToken())
             {
-                Logger.LogError("The revocation request was rejected because identity tokens are not revocable.");
+                _logger.LogError("The revocation request was rejected because identity tokens are not revocable.");
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnsupportedTokenType,
@@ -183,7 +182,7 @@ namespace OpenIddict.Server
             // If the received token is an access token, return an error if reference tokens are not enabled.
             if (!options.UseReferenceTokens && context.Ticket.IsAccessToken())
             {
-                Logger.LogError("The revocation request was rejected because the access token was not revocable.");
+                _logger.LogError("The revocation request was rejected because the access token was not revocable.");
 
                 context.Reject(
                     error: OpenIdConnectConstants.Errors.UnsupportedTokenType,
@@ -197,13 +196,13 @@ namespace OpenIddict.Server
             Debug.Assert(!string.IsNullOrEmpty(identifier), "The authentication ticket should contain a token identifier.");
 
             // Retrieve the token from the request properties. If it's already marked as revoked, directly return a 200 response.
-            var token = context.Request.GetProperty<TToken>($"{OpenIddictConstants.Properties.Token}:{identifier}");
+            var token = context.Request.GetProperty($"{OpenIddictConstants.Properties.Token}:{identifier}");
             Debug.Assert(token != null, "The token shouldn't be null.");
 
-            if (await Tokens.IsRevokedAsync(token))
+            if (await _tokenManager.IsRevokedAsync(token))
             {
-                Logger.LogInformation("The token '{Identifier}' was not revoked because " +
-                                      "it was already marked as invalid.", identifier);
+                _logger.LogInformation("The token '{Identifier}' was not revoked because " +
+                                       "it was already marked as invalid.", identifier);
 
                 context.Revoked = true;
 
@@ -215,18 +214,18 @@ namespace OpenIddict.Server
             // will be returned to the client application.
             try
             {
-                await Tokens.RevokeAsync(token);
+                await _tokenManager.RevokeAsync(token);
             }
 
             catch (Exception exception)
             {
-                Logger.LogWarning(exception, "An exception occurred while trying to revoke the authorization " +
-                                             "associated with the token '{Identifier}'.", identifier);
+                _logger.LogWarning(exception, "An exception occurred while trying to revoke the authorization " +
+                                              "associated with the token '{Identifier}'.", identifier);
 
                 return;
             }
 
-            Logger.LogInformation("The token '{Identifier}' was successfully revoked.", identifier);
+            _logger.LogInformation("The token '{Identifier}' was successfully revoked.", identifier);
 
             context.Revoked = true;
         }

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Serialization.cs

@@ -12,8 +12,7 @@ using JetBrains.Annotations;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         public override async Task DeserializeAccessToken([NotNull] DeserializeAccessTokenContext context)
         {

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Session.cs

@@ -22,8 +22,7 @@ using OpenIddict.Abstractions;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         public override async Task ExtractLogoutRequest([NotNull] ExtractLogoutRequestContext context)
         {
@@ -36,8 +35,7 @@ namespace OpenIddict.Server
                 // Return an error if request caching support was not enabled.
                 if (!options.EnableRequestCaching)
                 {
-                    Logger.LogError("The logout request was rejected because " +
-                                    "request caching support was not enabled.");
+                    _logger.LogError("The logout request was rejected because request caching support was not enabled.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -53,8 +51,8 @@ namespace OpenIddict.Server
                 var payload = await options.Cache.GetAsync(key);
                 if (payload == null)
                 {
-                    Logger.LogError("The logout request was rejected because an unknown " +
-                                    "or invalid request_id parameter was specified.");
+                    _logger.LogError("The logout request was rejected because an unknown " +
+                                     "or invalid request_id parameter was specified.");
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -87,8 +85,8 @@ namespace OpenIddict.Server
             {
                 if (!Uri.TryCreate(context.PostLogoutRedirectUri, UriKind.Absolute, out Uri uri) || !uri.IsWellFormedOriginalString())
                 {
-                    Logger.LogError("The logout request was rejected because the specified post_logout_redirect_uri was not " +
-                                    "a valid absolute URL: {PostLogoutRedirectUri}.", context.PostLogoutRedirectUri);
+                    _logger.LogError("The logout request was rejected because the specified post_logout_redirect_uri was not " +
+                                     "a valid absolute URL: {PostLogoutRedirectUri}.", context.PostLogoutRedirectUri);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -99,8 +97,8 @@ namespace OpenIddict.Server
 
                 if (!string.IsNullOrEmpty(uri.Fragment))
                 {
-                    Logger.LogError("The logout request was rejected because the 'post_logout_redirect_uri' contained " +
-                                    "a URL fragment: {PostLogoutRedirectUri}.", context.PostLogoutRedirectUri);
+                    _logger.LogError("The logout request was rejected because the 'post_logout_redirect_uri' contained " +
+                                     "a URL fragment: {PostLogoutRedirectUri}.", context.PostLogoutRedirectUri);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,
@@ -109,10 +107,10 @@ namespace OpenIddict.Server
                     return;
                 }
 
-                if (!await Applications.ValidatePostLogoutRedirectUriAsync(context.PostLogoutRedirectUri))
+                if (!await _applicationManager.ValidatePostLogoutRedirectUriAsync(context.PostLogoutRedirectUri))
                 {
-                    Logger.LogError("The logout request was rejected because the specified post_logout_redirect_uri " +
-                                    "was unknown: {PostLogoutRedirectUri}.", context.PostLogoutRedirectUri);
+                    _logger.LogError("The logout request was rejected because the specified post_logout_redirect_uri " +
+                                     "was unknown: {PostLogoutRedirectUri}.", context.PostLogoutRedirectUri);
 
                     context.Reject(
                         error: OpenIdConnectConstants.Errors.InvalidRequest,

src/OpenIddict.Server/Internal/OpenIddictServerProvider.Userinfo.cs

@@ -10,8 +10,7 @@ using JetBrains.Annotations;
 
 namespace OpenIddict.Server
 {
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
         public override Task ExtractUserinfoRequest([NotNull] ExtractUserinfoRequestContext context)
         {

src/OpenIddict.Server/Internal/OpenIddictServerProvider.cs

@@ -15,7 +15,6 @@ using JetBrains.Annotations;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.Extensions.Logging;
 using OpenIddict.Abstractions;
-using OpenIddict.Core;
 
 namespace OpenIddict.Server
 {
@@ -23,51 +22,28 @@ namespace OpenIddict.Server
     /// Provides the logic necessary to extract, validate and handle OpenID Connect requests.
     /// </summary>
     [EditorBrowsable(EditorBrowsableState.Never)]
-    public partial class OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken> : OpenIdConnectServerProvider
-        where TApplication : class where TAuthorization : class where TScope : class where TToken : class
+    public partial class OpenIddictServerProvider : OpenIdConnectServerProvider
     {
-        /// <summary>
-        /// Creates a new instance of the <see cref="OpenIddictServerProvider{TApplication, TAuthorization, TScope, TToken}"/> class.
-        /// </summary>
+        public readonly ILogger _logger;
+        public readonly IOpenIddictApplicationManager _applicationManager;
+        public readonly IOpenIddictAuthorizationManager _authorizationManager;
+        public readonly IOpenIddictScopeManager _scopeManager;
+        public readonly IOpenIddictTokenManager _tokenManager;
+
         public OpenIddictServerProvider(
-            [NotNull] ILogger<OpenIddictServerProvider<TApplication, TAuthorization, TScope, TToken>> logger,
-            [NotNull] OpenIddictApplicationManager<TApplication> applications,
-            [NotNull] OpenIddictAuthorizationManager<TAuthorization> authorizations,
-            [NotNull] OpenIddictScopeManager<TScope> scopes,
-            [NotNull] OpenIddictTokenManager<TToken> tokens)
+            [NotNull] ILogger<OpenIddictServerProvider> logger,
+            [NotNull] IOpenIddictApplicationManager applicationManager,
+            [NotNull] IOpenIddictAuthorizationManager authorizationManager,
+            [NotNull] IOpenIddictScopeManager scopeManager,
+            [NotNull] IOpenIddictTokenManager tokenManager)
         {
-            Applications = applications;
-            Authorizations = authorizations;
-            Logger = logger;
-            Scopes = scopes;
-            Tokens = tokens;
+            _logger = logger;
+            _applicationManager = applicationManager;
+            _authorizationManager = authorizationManager;
+            _scopeManager = scopeManager;
+            _tokenManager = tokenManager;
         }
 
-        /// <summary>
-        /// Gets the applications manager.
-        /// </summary>
-        public OpenIddictApplicationManager<TApplication> Applications { get; }
-
-        /// <summary>
-        /// Gets the authorizations manager.
-        /// </summary>
-        public OpenIddictAuthorizationManager<TAuthorization> Authorizations { get; }
-
-        /// <summary>
-        /// Gets the logger associated with the current class.
-        /// </summary>
-        public ILogger Logger { get; }
-
-        /// <summary>
-        /// Gets the scopes manager.
-        /// </summary>
-        public OpenIddictScopeManager<TScope> Scopes { get; }
-
-        /// <summary>
-        /// Gets the tokens manager.
-        /// </summary>
-        public OpenIddictTokenManager<TToken> Tokens { get; }
-
         public override Task ProcessChallengeResponse([NotNull] ProcessChallengeResponseContext context)
         {
             Debug.Assert(context.Request.IsAuthorizationRequest() ||
@@ -148,7 +124,7 @@ namespace OpenIddict.Server
                     return;
                 }
 
-                var token = context.Request.GetProperty<TToken>($"{OpenIddictConstants.Properties.Token}:{context.Ticket.GetTokenId()}");
+                var token = context.Request.GetProperty($"{OpenIddictConstants.Properties.Token}:{context.Ticket.GetTokenId()}");
                 Debug.Assert(token != null, "The token shouldn't be null.");
 
                 // If rolling tokens are enabled or if the request is a grant_type=authorization_code request,

src/OpenIddict.Server/OpenIddict.Server.csproj

@@ -13,13 +13,14 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\OpenIddict.Core\OpenIddict.Core.csproj" />
+    <ProjectReference Include="..\OpenIddict.Abstractions\OpenIddict.Abstractions.csproj" />
   </ItemGroup>
 
   <ItemGroup>
     <PackageReference Include="AspNet.Security.OpenIdConnect.Server" Version="$(AspNetContribOpenIdServerVersion)" />
     <PackageReference Include="JetBrains.Annotations" Version="$(JetBrainsVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics.Abstractions" Version="$(AspNetCoreVersion)" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Newtonsoft.Json.Bson" Version="$(JsonNetBsonVersion)" />
   </ItemGroup>
 

src/OpenIddict.Server/OpenIddictServerBuilder.cs

@@ -12,13 +12,11 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Security.Cryptography.X509Certificates;
-using System.Threading;
 using AspNet.Security.OpenIdConnect.Primitives;
 using JetBrains.Annotations;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.Http;
 using Microsoft.IdentityModel.Tokens;
-using OpenIddict.Core;
 using OpenIddict.Server;
 
 namespace Microsoft.Extensions.DependencyInjection
@@ -453,8 +451,7 @@ namespace Microsoft.Extensions.DependencyInjection
 
         /// <summary>
         /// Rejects authorization and token requests that specify scopes that have not been
-        /// registered using <see cref="RegisterScopes(string[])"/> or
-        /// <see cref="OpenIddictScopeManager{TScope}.CreateAsync(TScope, CancellationToken)"/>.
+        /// registered using <see cref="RegisterScopes(string[])"/> or the scope manager.
         /// </summary>
         /// <returns>The <see cref="OpenIddictServerBuilder"/>.</returns>
         public OpenIddictServerBuilder EnableScopeValidation()

src/OpenIddict.Server/OpenIddictServerExtensions.cs

@@ -5,7 +5,6 @@
  */
 
 using System;
-using System.Text;
 using AspNet.Security.OpenIdConnect.Server;
 using JetBrains.Annotations;
 using Microsoft.AspNetCore.Authentication;
@@ -32,46 +31,15 @@ namespace Microsoft.Extensions.DependencyInjection
 
             builder.Services.AddAuthentication();
 
+            builder.Services.TryAddScoped<OpenIddictServerHandler>();
+            builder.Services.TryAddScoped<OpenIddictServerProvider>();
+
             // Register the options initializers used by the OpenID Connect server handler and OpenIddict.
             // Note: TryAddEnumerable() is used here to ensure the initializers are only registered once.
             builder.Services.TryAddEnumerable(new[]
             {
-                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictServerOptions>,
-                                            OpenIddictServerInitializer>(),
-                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictServerOptions>,
-                                            OpenIdConnectServerInitializer>()
-            });
-
-            // Register the OpenIddict handler/provider.
-            builder.Services.TryAddScoped(typeof(OpenIddictServerProvider<,,,>));
-            builder.Services.TryAddScoped<OpenIddictServerHandler>();
-            builder.Services.TryAddScoped(provider =>
-            {
-                var options = provider.GetRequiredService<IOptionsMonitor<OpenIddictServerOptions>>()
-                    .Get(OpenIddictServerDefaults.AuthenticationScheme);
-
-                if (options == null)
-                {
-                    throw new InvalidOperationException("The OpenIddict validation options cannot be resolved.");
-                }
-
-                if (options.ApplicationType == null || options.AuthorizationType == null ||
-                    options.ScopeType == null || options.TokenType == null)
-                {
-                    throw new InvalidOperationException(new StringBuilder()
-                        .AppendLine("The entity types must be configured for the token server services to work correctly.")
-                        .Append("To configure the entities, use either 'services.AddOpenIddict().AddCore().UseDefaultModels()' ")
-                        .Append("or 'services.AddOpenIddict().AddCore().UseCustomModels()'.")
-                        .ToString());
-                }
-
-                var type = typeof(OpenIddictServerProvider<,,,>).MakeGenericType(
-                    /* TApplication: */ options.ApplicationType,
-                    /* TAuthorization: */ options.AuthorizationType,
-                    /* TScope: */ options.ScopeType,
-                    /* TToken: */ options.TokenType);
-
-                return (OpenIdConnectServerProvider) provider.GetRequiredService(type);
+                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictServerOptions>, OpenIddictServerInitializer>(),
+                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictServerOptions>, OpenIdConnectServerInitializer>()
             });
 
             // Register the OpenID Connect server handler in the authentication options,

src/OpenIddict.Server/OpenIddictServerOptions.cs

@@ -14,7 +14,7 @@ using Microsoft.Extensions.Caching.Distributed;
 namespace OpenIddict.Server
 {
     /// <summary>
-    /// Provides various settings needed to configure OpenIddict.
+    /// Provides various settings needed to configure the OpenIddict server handler.
     /// </summary>
     public class OpenIddictServerOptions : OpenIdConnectServerOptions
     {
@@ -23,22 +23,10 @@ namespace OpenIddict.Server
         /// </summary>
         public OpenIddictServerOptions()
         {
-            // Note: OpenIdConnectServerProvider is automatically mapped
-            // to the generic OpenIddictProvider class by the DI container.
             Provider = null;
-            ProviderType = typeof(OpenIdConnectServerProvider);
+            ProviderType = typeof(OpenIddictServerProvider);
         }
 
-        /// <summary>
-        /// Gets or sets the type corresponding to the Application entity.
-        /// </summary>
-        public Type ApplicationType { get; set; }
-
-        /// <summary>
-        /// Gets or sets the type corresponding to the Authorization entity.
-        /// </summary>
-        public Type AuthorizationType { get; set; }
-
         /// <summary>
         /// Gets or sets the distributed cache used by OpenIddict. If no cache is explicitly
         /// provided, the cache registered in the dependency injection container is used.
@@ -103,16 +91,6 @@ namespace OpenIddict.Server
             OpenIdConnectConstants.Scopes.OpenId
         };
 
-        /// <summary>
-        /// Gets or sets the type corresponding to the Scope entity.
-        /// </summary>
-        public Type ScopeType { get; set; }
-
-        /// <summary>
-        /// Gets or sets the type corresponding to the Token entity.
-        /// </summary>
-        public Type TokenType { get; set; }
-
         /// <summary>
         /// Gets or sets a boolean indicating whether reference tokens should be used.
         /// When set to <c>true</c>, authorization codes, access tokens and refresh tokens

src/OpenIddict.Validation/Internal/OpenIddictValidationHandler.cs

@@ -7,6 +7,7 @@
 using System;
 using System.ComponentModel;
 using System.Security.Claims;
+using System.Text;
 using System.Text.Encodings.Web;
 using System.Threading.Tasks;
 using AspNet.Security.OAuth.Validation;
@@ -18,25 +19,11 @@ using Microsoft.Extensions.Options;
 using Microsoft.Net.Http.Headers;
 using Newtonsoft.Json.Linq;
 using OpenIddict.Abstractions;
-using OpenIddict.Core;
 
 namespace OpenIddict.Validation
 {
     [EditorBrowsable(EditorBrowsableState.Never)]
     public class OpenIddictValidationHandler : OAuthValidationHandler
-    {
-        public OpenIddictValidationHandler(
-            [NotNull] IOptionsMonitor<OpenIddictValidationOptions> options,
-            [NotNull] ILoggerFactory logger,
-            [NotNull] UrlEncoder encoder,
-            [NotNull] ISystemClock clock)
-            : base(options, logger, encoder, clock)
-        {
-        }
-    }
-
-    [EditorBrowsable(EditorBrowsableState.Never)]
-    public class OpenIddictValidationHandler<TToken> : OpenIddictValidationHandler where TToken : class
     {
         public OpenIddictValidationHandler(
             [NotNull] IOptionsMonitor<OpenIddictValidationOptions> options,
@@ -49,6 +36,11 @@ namespace OpenIddict.Validation
 
         protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
         {
+            if (!Options.UseReferenceTokens)
+            {
+                return await base.HandleAuthenticateAsync();
+            }
+
             var context = new RetrieveTokenContext(Context, Scheme, Options);
             await Events.RetrieveToken(context);
 
@@ -197,10 +189,15 @@ namespace OpenIddict.Validation
 
         private async Task<AuthenticateResult> CreateTicketAsync(string payload)
         {
-            var manager = Context.RequestServices.GetService<OpenIddictTokenManager<TToken>>();
+            // Note: the token manager is deliberately not injected using constructor injection
+            // to allow using the validation handler without having to register the core services.
+            var manager = Context.RequestServices.GetService<IOpenIddictTokenManager>();
             if (manager == null)
             {
-                throw new InvalidOperationException("The token manager was not correctly registered.");
+                throw new InvalidOperationException(new StringBuilder()
+                    .AppendLine("The core services must be registered when enabling reference tokens support.")
+                    .Append("To register the OpenIddict core services, use 'services.AddOpenIddict().AddCore()'.")
+                    .ToString());
             }
 
             // Retrieve the token entry from the database. If it
@@ -282,5 +279,7 @@ namespace OpenIddict.Validation
         }
 
         private new OAuthValidationEvents Events => (OAuthValidationEvents) base.Events;
+
+        private new OpenIddictValidationOptions Options => (OpenIddictValidationOptions) base.Options;
     }
 }

src/OpenIddict.Validation/Internal/OpenIddictValidationInitializer.cs

@@ -11,7 +11,6 @@ using JetBrains.Annotations;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.Extensions.Options;
-using OpenIddict.Core;
 
 namespace OpenIddict.Validation
 {
@@ -23,17 +22,13 @@ namespace OpenIddict.Validation
     public class OpenIddictValidationInitializer : IPostConfigureOptions<OpenIddictValidationOptions>
     {
         private readonly IDataProtectionProvider _dataProtectionProvider;
-        private readonly IOptionsMonitor<OpenIddictCoreOptions> _options;
 
         /// <summary>
         /// Creates a new instance of the <see cref="OpenIddictValidationInitializer"/> class.
         /// </summary>
-        public OpenIddictValidationInitializer(
-            [NotNull] IDataProtectionProvider dataProtectionProvider,
-            [NotNull] IOptionsMonitor<OpenIddictCoreOptions> options)
+        public OpenIddictValidationInitializer([NotNull] IDataProtectionProvider dataProtectionProvider)
         {
             _dataProtectionProvider = dataProtectionProvider;
-            _options = options;
         }
 
         /// <summary>
@@ -73,11 +68,6 @@ namespace OpenIddict.Validation
 
                 options.AccessTokenFormat = new TicketDataFormat(protector);
             }
-
-            if (options.TokenType == null)
-            {
-                options.TokenType = _options.CurrentValue.DefaultTokenType;
-            }
         }
     }
 }

src/OpenIddict.Validation/OpenIddict.Validation.csproj

@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\OpenIddict.Core\OpenIddict.Core.csproj" />
+    <ProjectReference Include="..\OpenIddict.Abstractions\OpenIddict.Abstractions.csproj" />
   </ItemGroup>
 
   <ItemGroup>

src/OpenIddict.Validation/OpenIddictValidationExtensions.cs

@@ -5,13 +5,10 @@
  */
 
 using System;
-using System.Text;
-using System.Text.Encodings.Web;
 using AspNet.Security.OAuth.Validation;
 using JetBrains.Annotations;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.Extensions.DependencyInjection.Extensions;
-using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using OpenIddict.Validation;
 
@@ -34,52 +31,15 @@ namespace Microsoft.Extensions.DependencyInjection
 
             builder.Services.AddAuthentication();
 
+            builder.Services.TryAddScoped<OpenIddictValidationHandler>();
+
             // Note: TryAddEnumerable() is used here to ensure the initializer is only registered once.
             builder.Services.TryAddEnumerable(new[]
             {
-                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictValidationOptions>,
-                                            OpenIddictValidationInitializer>(),
-                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictValidationOptions>,
-                                            OAuthValidationInitializer>()
+                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictValidationOptions>, OpenIddictValidationInitializer>(),
+                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictValidationOptions>, OAuthValidationInitializer>()
             });
 
-            builder.Services.TryAddScoped(typeof(OpenIddictValidationHandler<>));
-            builder.Services.TryAddScoped(provider =>
-            {
-                var options = provider.GetRequiredService<IOptionsMonitor<OpenIddictValidationOptions>>()
-                    .Get(OpenIddictValidationDefaults.AuthenticationScheme);
-
-                if (options == null)
-                {
-                    throw new InvalidOperationException("The OpenIddict validation options cannot be resolved.");
-                }
-
-                if (options.UseReferenceTokens)
-                {
-                    if (options.TokenType == null)
-                    {
-                        throw new InvalidOperationException(new StringBuilder()
-                            .AppendLine("The entity types must be configured for the token validation services to work correctly.")
-                            .Append("To configure the entities, use either 'services.AddOpenIddict().AddCore().UseDefaultModels()' ")
-                            .Append("or 'services.AddOpenIddict().AddCore().UseCustomModels()'.")
-                            .ToString());
-                    }
-
-                    var type = typeof(OpenIddictValidationHandler<>).MakeGenericType(options.TokenType);
-                    return (OpenIddictValidationHandler) provider.GetService(type);
-                }
-
-                return new OpenIddictValidationHandler(
-                    provider.GetRequiredService<IOptionsMonitor<OpenIddictValidationOptions>>(),
-                    provider.GetRequiredService<ILoggerFactory>(),
-                    provider.GetRequiredService<UrlEncoder>(),
-                    provider.GetRequiredService<ISystemClock>());
-            });
-
-            builder.Services.TryAddEnumerable(
-                ServiceDescriptor.Singleton<IPostConfigureOptions<OpenIddictValidationOptions>,
-                                            OAuthValidationInitializer>());
-
             // Register the OpenIddict validation handler in the authentication options,
             // so it can be discovered by the default authentication handler provider.
             builder.Services.Configure<AuthenticationOptions>(options =>

src/OpenIddict.Validation/OpenIddictValidationOptions.cs

@@ -4,18 +4,12 @@
  * the license and the contributors participating to this project.
  */
 
-using System;
 using AspNet.Security.OAuth.Validation;
 
 namespace OpenIddict.Validation
 {
     public class OpenIddictValidationOptions : OAuthValidationOptions
     {
-        /// <summary>
-        /// Gets or sets the type corresponding to the Token entity.
-        /// </summary>
-        public Type TokenType { get; set; }
-
         /// <summary>
         /// Gets or sets a boolean indicating whether reference tokens are used.
         /// </summary>

src/OpenIddict/OpenIddict.csproj

@@ -13,6 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\OpenIddict.Core\OpenIddict.Core.csproj" />
     <ProjectReference Include="..\OpenIddict.Models\OpenIddict.Models.csproj" />
     <ProjectReference Include="..\OpenIddict.Server\OpenIddict.Server.csproj" />
     <ProjectReference Include="..\OpenIddict.Validation\OpenIddict.Validation.csproj" />