Versatile OpenID Connect stack for ASP.NET Core and Microsoft.Owin (compatible with ASP.NET 4.6.1)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

251 lines
12 KiB

/*
* 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.Text.Json;
using Microsoft.Extensions.Logging;
namespace OpenIddict.Client;
public static partial class OpenIddictClientHandlers
{
public static class Device
{
public static ImmutableArray<OpenIddictClientHandlerDescriptor> DefaultHandlers { get; } =
[
/*
* Device authorization response handling:
*/
ValidateWellKnownParameters.Descriptor,
HandleErrorResponse.Descriptor,
ValidateVerificationEndpointUri.Descriptor,
ValidateExpiration.Descriptor
];
/// <summary>
/// Contains the logic responsible for validating the well-known parameters contained in the device authorization response.
/// </summary>
public sealed class ValidateWellKnownParameters : IOpenIddictClientHandler<HandleDeviceAuthorizationResponseContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictClientHandlerDescriptor Descriptor { get; }
= OpenIddictClientHandlerDescriptor.CreateBuilder<HandleDeviceAuthorizationResponseContext>()
.UseSingletonHandler<ValidateWellKnownParameters>()
.SetOrder(int.MinValue + 100_000)
.SetType(OpenIddictClientHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(HandleDeviceAuthorizationResponseContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
foreach (var parameter in context.Response.GetParameters())
{
if (!ValidateParameterType(parameter.Key, parameter.Value))
{
context.Reject(
error: Errors.ServerError,
description: SR.FormatID2107(parameter.Key),
uri: SR.FormatID8000(SR.ID2107));
return ValueTask.CompletedTask;
}
}
return ValueTask.CompletedTask;
// Note: in the typical case, the response parameters should be deserialized from a
// JSON response and thus natively stored as System.Text.Json.JsonElement instances.
//
// In the rare cases where the underlying value wouldn't be a JsonElement instance
// (e.g when custom parameters are manually added to the response), the static
// conversion operator would take care of converting the underlying value to a
// JsonElement instance using the same value type as the original parameter value.
static bool ValidateParameterType(string name, OpenIddictParameter value) => name switch
{
// Error parameters MUST be formatted as unique strings:
Parameters.Error or Parameters.ErrorDescription or Parameters.ErrorUri
=> ((JsonElement) value).ValueKind is JsonValueKind.String,
// The following parameters MUST be formatted as unique strings:
Parameters.DeviceCode or Parameters.UserCode or
Parameters.VerificationUri or Parameters.VerificationUriComplete
=> ((JsonElement) value).ValueKind is JsonValueKind.String,
// The following parameters MUST be formatted as numeric dates:
Parameters.ExpiresIn => (JsonElement) value is { ValueKind: JsonValueKind.Number } element &&
element.TryGetDecimal(out decimal result) && result is >= 0,
// The following parameters MUST be formatted as positive integers:
Parameters.Interval => (JsonElement) value is { ValueKind: JsonValueKind.Number } element &&
element.TryGetDecimal(out decimal result) && result is >= 0,
// Parameters that are not in the well-known list can be of any type.
_ => true
};
}
}
/// <summary>
/// Contains the logic responsible for surfacing potential errors from the device authorization response.
/// </summary>
public sealed class HandleErrorResponse : IOpenIddictClientHandler<HandleDeviceAuthorizationResponseContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictClientHandlerDescriptor Descriptor { get; }
= OpenIddictClientHandlerDescriptor.CreateBuilder<HandleDeviceAuthorizationResponseContext>()
.UseSingletonHandler<HandleErrorResponse>()
.SetOrder(ValidateWellKnownParameters.Descriptor.Order + 1_000)
.SetType(OpenIddictClientHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(HandleDeviceAuthorizationResponseContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
// For more information, see https://www.rfc-editor.org/rfc/rfc8628#section-3.2.
if (!string.IsNullOrEmpty(context.Response.Error))
{
context.Logger.LogInformation(6216, SR.GetResourceString(SR.ID6216), context.Response);
context.Reject(
error: context.Response.Error switch
{
Errors.InvalidClient => Errors.InvalidRequest,
Errors.InvalidScope => Errors.InvalidScope,
Errors.InvalidRequest => Errors.InvalidRequest,
Errors.UnauthorizedClient => Errors.UnauthorizedClient,
_ => Errors.ServerError
},
description: SR.GetResourceString(SR.ID2167),
uri: SR.FormatID8000(SR.ID2167));
return ValueTask.CompletedTask;
}
return ValueTask.CompletedTask;
}
}
/// <summary>
/// Contains the logic responsible for validating the verification
/// endpoint URI contained in the device authorization response.
/// </summary>
public sealed class ValidateVerificationEndpointUri : IOpenIddictClientHandler<HandleDeviceAuthorizationResponseContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictClientHandlerDescriptor Descriptor { get; }
= OpenIddictClientHandlerDescriptor.CreateBuilder<HandleDeviceAuthorizationResponseContext>()
.UseSingletonHandler<ValidateVerificationEndpointUri>()
.SetOrder(HandleErrorResponse.Descriptor.Order + 1_000)
.SetType(OpenIddictClientHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(HandleDeviceAuthorizationResponseContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
// Return an error if the mandatory "verification_uri" parameter is missing.
// For more information, see https://www.rfc-editor.org/rfc/rfc8628#section-3.2.
if (string.IsNullOrEmpty(context.Response.VerificationUri))
{
context.Reject(
error: Errors.ServerError,
description: SR.FormatID2168(Parameters.VerificationUri),
uri: SR.FormatID8000(SR.ID2168));
return ValueTask.CompletedTask;
}
// Return an error if the "verification_uri" parameter is malformed.
if (!Uri.TryCreate(context.Response.VerificationUri, UriKind.Absolute, out Uri? uri) ||
OpenIddictHelpers.IsImplicitFileUri(uri))
{
context.Reject(
error: Errors.ServerError,
description: SR.FormatID2169(Parameters.VerificationUri),
uri: SR.FormatID8000(SR.ID2169));
return ValueTask.CompletedTask;
}
// Note: the "verification_uri_complete" parameter is optional and MUST NOT
// cause an error if it's missing from the device authorization response.
if (!string.IsNullOrEmpty(context.Response.VerificationUriComplete) &&
(!Uri.TryCreate(context.Response.VerificationUriComplete, UriKind.Absolute, out uri) ||
OpenIddictHelpers.IsImplicitFileUri(uri)))
{
context.Reject(
error: Errors.ServerError,
description: SR.FormatID2169(Parameters.VerificationUriComplete),
uri: SR.FormatID8000(SR.ID2169));
return ValueTask.CompletedTask;
}
return ValueTask.CompletedTask;
}
}
/// <summary>
/// Contains the logic responsible for validating the "expires_in"
/// parameter contained in the device authorization response.
/// </summary>
public sealed class ValidateExpiration : IOpenIddictClientHandler<HandleDeviceAuthorizationResponseContext>
{
/// <summary>
/// Gets the default descriptor definition assigned to this handler.
/// </summary>
public static OpenIddictClientHandlerDescriptor Descriptor { get; }
= OpenIddictClientHandlerDescriptor.CreateBuilder<HandleDeviceAuthorizationResponseContext>()
.UseSingletonHandler<ValidateExpiration>()
.SetOrder(ValidateVerificationEndpointUri.Descriptor.Order + 1_000)
.SetType(OpenIddictClientHandlerType.BuiltIn)
.Build();
/// <inheritdoc/>
public ValueTask HandleAsync(HandleDeviceAuthorizationResponseContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
// Return an error if the mandatory "expires_in" parameter is missing.
// For more information, see https://www.rfc-editor.org/rfc/rfc8628#section-3.2.
if (context.Response.ExpiresIn is null)
{
context.Reject(
error: Errors.ServerError,
description: SR.FormatID2168(Parameters.ExpiresIn),
uri: SR.FormatID8000(SR.ID2168));
return ValueTask.CompletedTask;
}
return ValueTask.CompletedTask;
}
}
}
}