Versatile OpenID Connect stack for ASP.NET Core and Microsoft.Owin (compatible with ASP.NET 4.6.1)
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/*
* Licensed under the Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
* See https://github.com/openiddict/openiddict-core for more information concerning
* the license and the contributors participating to this project.
*/
using System.Collections.Immutable;
using System.Diagnostics;
using System.Security.Claims;
using Microsoft.Extensions.Logging;
namespace OpenIddict.Server;
public static partial class OpenIddictServerHandlers
{
public static class Revocation
{
public static ImmutableArray<OpenIddictServerHandlerDescriptor> DefaultHandlers { get; } =
[
/*
* Revocation request top-level processing:
*/
ExtractRevocationRequest.Descriptor,
ValidateRevocationRequest.Descriptor,
HandleRevocationRequest.Descriptor,
ApplyRevocationResponse<ProcessErrorContext>.Descriptor,
ApplyRevocationResponse<ProcessRequestContext>.Descriptor,
/*
* Revocation request validation:
*/
ValidateTokenParameter.Descriptor,
ValidateClientCredentialsParameters.Descriptor,
ValidateAuthentication.Descriptor,
ValidateEndpointPermissions.Descriptor,
ValidateTokenType.Descriptor,
ValidateAuthorizedParty.Descriptor,
/*
* Revocation request handling:
*/
AttachPrincipal.Descriptor,
RevokeToken.Descriptor,
/*
* Revocation response handling:
*/
NormalizeErrorResponse.Descriptor
];
/// <summary>
/// Contains the logic responsible for extracting revocation requests and invoking the corresponding event handlers.
/// </summary>
public sealed class ExtractRevocationRequest : IOpenIddictServerHandler<ProcessRequestContext>
{
private readonly IOpenIddictServerDispatcher _dispatcher;
public ExtractRevocationRequest(IOpenIddictServerDispatcher dispatcher)
=> _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ProcessRequestContext>()
.AddFilter<RequireRevocationRequest>()
.UseScopedHandler<ExtractRevocationRequest>()
.SetOrder(100_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public async ValueTask HandleAsync(ProcessRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var notification = new ExtractRevocationRequestContext(context.Transaction);
await _dispatcher.DispatchAsync(notification);
if (notification.IsRequestHandled)
{
context.HandleRequest();
return;
}
else if (notification.IsRequestSkipped)
{
context.SkipRequest();
return;
}
else if (notification.IsRejected)
{
context.Reject(
error: notification.Error ?? Errors.InvalidRequest,
description: notification.ErrorDescription,
uri: notification.ErrorUri);
return;
}
if (notification.Request is null)
{
throw new InvalidOperationException(SR.GetResourceString(SR.ID0048));
}
context.Logger.LogInformation(SR.GetResourceString(SR.ID6109), notification.Request);
}
}
/// <summary>
/// Contains the logic responsible for validating revocation requests and invoking the corresponding event handlers.
/// </summary>
public sealed class ValidateRevocationRequest : IOpenIddictServerHandler<ProcessRequestContext>
{
private readonly IOpenIddictServerDispatcher _dispatcher;
public ValidateRevocationRequest(IOpenIddictServerDispatcher dispatcher)
=> _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ProcessRequestContext>()
.AddFilter<RequireRevocationRequest>()
.UseScopedHandler<ValidateRevocationRequest>()
.SetOrder(ExtractRevocationRequest.Descriptor.Order + 1_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public async ValueTask HandleAsync(ProcessRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var notification = new ValidateRevocationRequestContext(context.Transaction);
await _dispatcher.DispatchAsync(notification);
// Store the context object in the transaction so it can be later retrieved by handlers
// that want to access the principal without triggering a new validation process.
context.Transaction.SetProperty(typeof(ValidateRevocationRequestContext).FullName!, notification);
if (notification.IsRequestHandled)
{
context.HandleRequest();
return;
}
else if (notification.IsRequestSkipped)
{
context.SkipRequest();
return;
}
else if (notification.IsRejected)
{
context.Reject(
error: notification.Error ?? Errors.InvalidRequest,
description: notification.ErrorDescription,
uri: notification.ErrorUri);
return;
}
context.Logger.LogInformation(SR.GetResourceString(SR.ID6110));
}
}
/// <summary>
/// Contains the logic responsible for handling revocation requests and invoking the corresponding event handlers.
/// </summary>
public sealed class HandleRevocationRequest : IOpenIddictServerHandler<ProcessRequestContext>
{
private readonly IOpenIddictServerDispatcher _dispatcher;
public HandleRevocationRequest(IOpenIddictServerDispatcher dispatcher)
=> _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ProcessRequestContext>()
.AddFilter<RequireRevocationRequest>()
.UseScopedHandler<HandleRevocationRequest>()
.SetOrder(ValidateRevocationRequest.Descriptor.Order + 1_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public async ValueTask HandleAsync(ProcessRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var notification = new HandleRevocationRequestContext(context.Transaction);
await _dispatcher.DispatchAsync(notification);
if (notification.IsRequestHandled)
{
context.HandleRequest();
return;
}
else if (notification.IsRequestSkipped)
{
context.SkipRequest();
return;
}
else if (notification.IsRejected)
{
context.Reject(
error: notification.Error ?? Errors.InvalidRequest,
description: notification.ErrorDescription,
uri: notification.ErrorUri);
return;
}
context.Transaction.Response = new OpenIddictResponse();
}
}
/// <summary>
/// Contains the logic responsible for processing sign-in responses and invoking the corresponding event handlers.
/// </summary>
public sealed class ApplyRevocationResponse<TContext> : IOpenIddictServerHandler<TContext> where TContext : BaseRequestContext
{
private readonly IOpenIddictServerDispatcher _dispatcher;
public ApplyRevocationResponse(IOpenIddictServerDispatcher dispatcher)
=> _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<TContext>()
.AddFilter<RequireRevocationRequest>()
.UseScopedHandler<ApplyRevocationResponse<TContext>>()
.SetOrder(500_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public async ValueTask HandleAsync(TContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var notification = new ApplyRevocationResponseContext(context.Transaction);
await _dispatcher.DispatchAsync(notification);
if (notification.IsRequestHandled)
{
context.HandleRequest();
return;
}
else if (notification.IsRequestSkipped)
{
context.SkipRequest();
return;
}
throw new InvalidOperationException(SR.GetResourceString(SR.ID0049));
}
}
/// <summary>
/// Contains the logic responsible for rejecting revocation requests that don't specify a token.
/// </summary>
public sealed class ValidateTokenParameter : IOpenIddictServerHandler<ValidateRevocationRequestContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ValidateRevocationRequestContext>()
.UseSingletonHandler<ValidateTokenParameter>()
.SetOrder(int.MinValue + 100_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(ValidateRevocationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
// Reject revocation requests missing the mandatory token parameter.
if (string.IsNullOrEmpty(context.Request.Token))
{
context.Logger.LogInformation(SR.GetResourceString(SR.ID6111), Parameters.Token);
context.Reject(
error: Errors.InvalidRequest,
description: SR.FormatID2029(Parameters.Token),
uri: SR.FormatID8000(SR.ID2029));
return default;
}
return default;
}
}
/// <summary>
/// Contains the logic responsible for rejecting revocation requests that specify invalid client credentials parameters.
/// </summary>
public sealed class ValidateClientCredentialsParameters : IOpenIddictServerHandler<ValidateRevocationRequestContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ValidateRevocationRequestContext>()
.UseSingletonHandler<ValidateClientCredentialsParameters>()
.SetOrder(ValidateTokenParameter.Descriptor.Order + 1_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(ValidateRevocationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
// Ensure a client_assertion_type is specified when a client_assertion was attached.
if (!string.IsNullOrEmpty(context.Request.ClientAssertion) &&
string.IsNullOrEmpty(context.Request.ClientAssertionType))
{
context.Reject(
error: Errors.InvalidRequest,
description: SR.FormatID2037(Parameters.ClientAssertionType, Parameters.ClientAssertion),
uri: SR.FormatID8000(SR.ID2037));
return default;
}
// Ensure a client_assertion is specified when a client_assertion_type was attached.
if (string.IsNullOrEmpty(context.Request.ClientAssertion) &&
!string.IsNullOrEmpty(context.Request.ClientAssertionType))
{
context.Reject(
error: Errors.InvalidRequest,
description: SR.FormatID2037(Parameters.ClientAssertion, Parameters.ClientAssertionType),
uri: SR.FormatID8000(SR.ID2037));
return default;
}
// Reject requests that use multiple client authentication methods.
//
// See https://tools.ietf.org/html/rfc6749#section-2.3 for more information.
if (!string.IsNullOrEmpty(context.Request.ClientAssertion) &&
!string.IsNullOrEmpty(context.Request.ClientSecret))
{
context.Logger.LogInformation(SR.GetResourceString(SR.ID6140));
context.Reject(
error: Errors.InvalidRequest,
description: SR.GetResourceString(SR.ID2087),
uri: SR.FormatID8000(SR.ID2087));
return default;
}
// Ensure the specified client_assertion_type is supported.
if (!string.IsNullOrEmpty(context.Request.ClientAssertionType) &&
!context.Options.ClientAssertionTypes.Contains(context.Request.ClientAssertionType))
{
context.Reject(
error: Errors.InvalidClient,
description: SR.FormatID2032(Parameters.ClientAssertionType),
uri: SR.FormatID8000(SR.ID2032));
return default;
}
return default;
}
}
/// <summary>
/// Contains the logic responsible for applying the authentication logic to revocation requests.
/// </summary>
public sealed class ValidateAuthentication : IOpenIddictServerHandler<ValidateRevocationRequestContext>
{
private readonly IOpenIddictServerDispatcher _dispatcher;
public ValidateAuthentication(IOpenIddictServerDispatcher dispatcher)
=> _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ValidateRevocationRequestContext>()
.UseScopedHandler<ValidateAuthentication>()
.SetOrder(ValidateClientCredentialsParameters.Descriptor.Order + 1_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public async ValueTask HandleAsync(ValidateRevocationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var notification = new ProcessAuthenticationContext(context.Transaction);
await _dispatcher.DispatchAsync(notification);
// Store the context object in the transaction so it can be later retrieved by handlers
// that want to access the authentication result without triggering a new authentication flow.
context.Transaction.SetProperty(typeof(ProcessAuthenticationContext).FullName!, notification);
if (notification.IsRequestHandled)
{
context.HandleRequest();
return;
}
else if (notification.IsRequestSkipped)
{
context.SkipRequest();
return;
}
else if (notification.IsRejected)
{
context.Reject(
error: notification.Error ?? Errors.InvalidRequest,
description: notification.ErrorDescription,
uri: notification.ErrorUri);
return;
}
// Attach the security principal extracted from the token to the validation context.
context.Principal = notification.GenericTokenPrincipal;
}
}
/// <summary>
/// Contains the logic responsible for rejecting revocation requests made by
/// applications that haven't been granted the revocation endpoint permission.
/// Note: this handler is not used when the degraded mode is enabled.
/// </summary>
public sealed class ValidateEndpointPermissions : IOpenIddictServerHandler<ValidateRevocationRequestContext>
{
private readonly IOpenIddictApplicationManager _applicationManager;
public ValidateEndpointPermissions() => throw new InvalidOperationException(SR.GetResourceString(SR.ID0016));
public ValidateEndpointPermissions(IOpenIddictApplicationManager applicationManager)
=> _applicationManager = applicationManager ?? throw new ArgumentNullException(nameof(applicationManager));
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ValidateRevocationRequestContext>()
.AddFilter<RequireClientIdParameter>()
.AddFilter<RequireDegradedModeDisabled>()
.AddFilter<RequireEndpointPermissionsEnabled>()
.UseScopedHandler<ValidateEndpointPermissions>()
.SetOrder(ValidateAuthentication.Descriptor.Order + 1_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public async ValueTask HandleAsync(ValidateRevocationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
Debug.Assert(!string.IsNullOrEmpty(context.ClientId), SR.FormatID4000(Parameters.ClientId));
var application = await _applicationManager.FindByClientIdAsync(context.ClientId) ??
throw new InvalidOperationException(SR.GetResourceString(SR.ID0032));
// Reject the request if the application is not allowed to use the revocation endpoint.
if (!await _applicationManager.HasPermissionAsync(application, Permissions.Endpoints.Revocation))
{
context.Logger.LogInformation(SR.GetResourceString(SR.ID6116), context.ClientId);
context.Reject(
error: Errors.UnauthorizedClient,
description: SR.GetResourceString(SR.ID2078),
uri: SR.FormatID8000(SR.ID2078));
return;
}
}
}
/// <summary>
/// Contains the logic responsible for rejecting revocation requests that specify an unsupported token.
/// </summary>
public sealed class ValidateTokenType : IOpenIddictServerHandler<ValidateRevocationRequestContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ValidateRevocationRequestContext>()
.UseSingletonHandler<ValidateTokenType>()
.SetOrder(ValidateEndpointPermissions.Descriptor.Order + 1_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(ValidateRevocationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
Debug.Assert(context.Principal is { Identity: ClaimsIdentity }, SR.GetResourceString(SR.ID4006));
if (!context.Principal.HasTokenType(TokenTypeHints.AccessToken) &&
!context.Principal.HasTokenType(TokenTypeHints.RefreshToken))
{
context.Logger.LogInformation(SR.GetResourceString(SR.ID6117));
context.Reject(
error: Errors.UnsupportedTokenType,
description: SR.GetResourceString(SR.ID2079),
uri: SR.FormatID8000(SR.ID2079));
return default;
}
return default;
}
}
/// <summary>
/// Contains the logic responsible for rejecting revocation requests that specify a token
/// that cannot be revoked by the client application sending the revocation requests.
/// </summary>
public sealed class ValidateAuthorizedParty : IOpenIddictServerHandler<ValidateRevocationRequestContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ValidateRevocationRequestContext>()
// Note: when client identification is not enforced, this handler cannot validate
// the audiences/presenters if the client_id of the calling application is not known.
// In this case, the risk is quite limited as claims are never returned by this endpoint.
.AddFilter<RequireClientIdParameter>()
.UseSingletonHandler<ValidateAuthorizedParty>()
.SetOrder(ValidateTokenType.Descriptor.Order + 1_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(ValidateRevocationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
Debug.Assert(!string.IsNullOrEmpty(context.ClientId), SR.FormatID4000(Parameters.ClientId));
Debug.Assert(context.Principal is { Identity: ClaimsIdentity }, SR.GetResourceString(SR.ID4006));
// When the revoked token is an access token, the caller must be listed either as a presenter
// (i.e the party the token was issued to) or as an audience (i.e a resource server/API).
// If the access token doesn't contain any explicit presenter/audience, the token is assumed
// to be not specific to any resource server/client application and the check is bypassed.
if (context.Principal.HasTokenType(TokenTypeHints.AccessToken) &&
context.Principal.HasClaim(Claims.Private.Audience) && !context.Principal.HasAudience(context.ClientId) &&
context.Principal.HasClaim(Claims.Private.Presenter) && !context.Principal.HasPresenter(context.ClientId))
{
context.Logger.LogWarning(SR.GetResourceString(SR.ID6119));
context.Reject(
error: Errors.InvalidToken,
description: SR.GetResourceString(SR.ID2080),
uri: SR.FormatID8000(SR.ID2080));
return default;
}
// When the revoked token is a refresh token, the caller must be
// listed as a presenter (i.e the party the token was issued to).
// If the refresh token doesn't contain any explicit presenter, the token is
// assumed to be not specific to any client application and the check is bypassed.
if (context.Principal.HasTokenType(TokenTypeHints.RefreshToken) &&
context.Principal.HasClaim(Claims.Private.Presenter) && !context.Principal.HasPresenter(context.ClientId))
{
context.Logger.LogWarning(SR.GetResourceString(SR.ID6121));
context.Reject(
error: Errors.InvalidToken,
description: SR.GetResourceString(SR.ID2080),
uri: SR.FormatID8000(SR.ID2080));
return default;
}
return default;
}
}
/// <summary>
/// Contains the logic responsible for attaching the principal
/// extracted from the revoked token to the event context.
/// </summary>
public sealed class AttachPrincipal : IOpenIddictServerHandler<HandleRevocationRequestContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<HandleRevocationRequestContext>()
.UseSingletonHandler<AttachPrincipal>()
.SetOrder(int.MinValue + 100_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(HandleRevocationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var notification = context.Transaction.GetProperty<ValidateRevocationRequestContext>(
typeof(ValidateRevocationRequestContext).FullName!) ??
throw new InvalidOperationException(SR.GetResourceString(SR.ID0007));
Debug.Assert(notification.Principal is { Identity: ClaimsIdentity }, SR.GetResourceString(SR.ID4006));
context.Principal ??= notification.Principal;
return default;
}
}
/// <summary>
/// Contains the logic responsible for revoking the token sent by the client application.
/// Note: this handler is not used when the degraded mode is enabled.
/// </summary>
public sealed class RevokeToken : IOpenIddictServerHandler<HandleRevocationRequestContext>
{
private readonly IOpenIddictTokenManager _tokenManager;
public RevokeToken() => throw new InvalidOperationException(SR.GetResourceString(SR.ID0016));
public RevokeToken(IOpenIddictTokenManager tokenManager)
=> _tokenManager = tokenManager ?? throw new ArgumentNullException(nameof(tokenManager));
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<HandleRevocationRequestContext>()
.AddFilter<RequireDegradedModeDisabled>()
.UseScopedHandler<RevokeToken>()
.SetOrder(AttachPrincipal.Descriptor.Order + 1_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public async ValueTask HandleAsync(HandleRevocationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
Debug.Assert(context.Principal is { Identity: ClaimsIdentity }, SR.GetResourceString(SR.ID4006));
// Extract the token identifier from the authentication principal.
var identifier = context.Principal.GetTokenId();
if (string.IsNullOrEmpty(identifier))
{
context.Logger.LogInformation(SR.GetResourceString(SR.ID6122));
context.Reject(
error: Errors.UnsupportedTokenType,
description: SR.GetResourceString(SR.ID2079),
uri: SR.FormatID8000(SR.ID2079));
return;
}
var token = await _tokenManager.FindByIdAsync(identifier);
if (token is null)
{
context.Logger.LogInformation(SR.GetResourceString(SR.ID6123), identifier);
context.Reject(
error: Errors.InvalidToken,
description: SR.GetResourceString(SR.ID2004),
uri: SR.FormatID8000(SR.ID2004));
return;
}
// Try to revoke the token. If an error occurs, return an error.
if (!await _tokenManager.TryRevokeAsync(token))
{
context.Reject(
error: Errors.UnsupportedTokenType,
description: SR.GetResourceString(SR.ID2079),
uri: SR.FormatID8000(SR.ID2079));
return;
}
}
}
/// <summary>
/// Contains the logic responsible for converting revocation errors to standard empty responses.
/// </summary>
public sealed class NormalizeErrorResponse : IOpenIddictServerHandler<ApplyRevocationResponseContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictServerHandlerDescriptor Descriptor { get; }
= OpenIddictServerHandlerDescriptor.CreateBuilder<ApplyRevocationResponseContext>()
.UseSingletonHandler<NormalizeErrorResponse>()
.SetOrder(int.MinValue + 100_000)
.SetType(OpenIddictServerHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(ApplyRevocationResponseContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
if (string.IsNullOrEmpty(context.Error))
{
return default;
}
// If the error indicates an invalid token, remove the error details, as required by the revocation
// specification. Visit https://tools.ietf.org/html/rfc7009#section-2.2 for more information.
// While this prevent the resource server from determining the root cause of the revocation failure,
// this is required to keep OpenIddict fully standard and compatible with all revocation clients.
if (string.Equals(context.Error, Errors.InvalidToken, StringComparison.Ordinal))
{
context.Response.Error = null;
context.Response.ErrorDescription = null;
context.Response.ErrorUri = null;
}
return default;
}
}
}
}