/// <summary>
/// Processes the event.
/// </summary>
/// <param name="context">The context associated with the event to process.</param>
/// <returns>
/// A <see cref="ValueTask"/> that can be used to monitor the asynchronous operation.
/// </returns>
public async ValueTask HandleAsync([NotNull] ExtractAuthorizationRequestContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
// If a request_id parameter can be found in the authorization request,
// restore the complete authorization request from the distributed cache.
if (string.IsNullOrEmpty(context.Request.RequestId))
{
return;
}
// Note: the cache key is always prefixed with a specific marker
// to avoid collisions with the other types of cached payloads.
var payload = await _cache.GetAsync(Cache.AuthorizationRequest + context.Request.RequestId);
if (payload == null)
{
context.Logger.LogError("The authorization request was rejected because an unknown " +
"or invalid request_id parameter was specified.");
context.Reject(
error: Errors.InvalidRequest,
description: "The specified 'request_id' parameter is invalid.");
return;
}
// Restore the authorization request parameters from the serialized payload.
using var reader = new BsonDataReader(new MemoryStream(payload));
foreach (var parameter in JObject.Load(reader))
{
// Avoid overriding the current request parameters.
if (context.Request.HasParameter(parameter.Key))
{
continue;
}
context.Request.SetParameter(parameter.Key, parameter.Value);
}
}
public override Task ExtractAuthorizationRequest(ExtractAuthorizationRequestContext context)
{
// If a request_id parameter can be found in the authorization request,
// restore the complete authorization request stored in the user session.
if (!string.IsNullOrEmpty(context.Request.GetRequestId()))
{
var payload = context.HttpContext.Session.Get("authorization-request:" + context.Request.GetRequestId());
if (payload == null)
{
context.Reject(
error: OpenIdConnectConstants.Errors.InvalidRequest,
description: "Invalid request: timeout expired.");
return(Task.FromResult(0));
}
// Restore the authorization request parameters.
context.Request.Import(payload);
}
return(Task.FromResult(0));
}
/// <inheritdoc/>
public async ValueTask HandleAsync(ExtractAuthorizationRequestContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
Debug.Assert(context.Request is not null, SR.GetResourceString(SR.ID4008));
// If a request_id parameter can be found in the authorization request,
// restore the complete authorization request from the distributed cache.
if (string.IsNullOrEmpty(context.Request.RequestId))
{
return;
}
// Note: the cache key is always prefixed with a specific marker
// to avoid collisions with the other types of cached payloads.
var token = await _cache.GetStringAsync(Cache.AuthorizationRequest + context.Request.RequestId);
if (token is null || !context.Options.JsonWebTokenHandler.CanReadToken(token))
{
context.Logger.LogInformation(SR.GetResourceString(SR.ID6146), Parameters.RequestId);
context.Reject(
error: Errors.InvalidRequest,
description: SR.FormatID2052(Parameters.RequestId),
uri: SR.FormatID8000(SR.ID2052));
return;
}
var parameters = context.Options.TokenValidationParameters.Clone();
parameters.ValidIssuer ??= context.Issuer?.AbsoluteUri;
parameters.ValidAudience = context.Issuer?.AbsoluteUri;
parameters.ValidTypes = new[] { JsonWebTokenTypes.Private.AuthorizationRequest };
var result = context.Options.JsonWebTokenHandler.ValidateToken(token, parameters);
if (!result.IsValid)
{
context.Logger.LogInformation(SR.GetResourceString(SR.ID6146), Parameters.RequestId);
context.Reject(
error: Errors.InvalidRequest,
description: SR.FormatID2052(Parameters.RequestId),
uri: SR.FormatID8000(SR.ID2052));
return;
}
using var document = JsonDocument.Parse(
Base64UrlEncoder.Decode(((JsonWebToken)result.SecurityToken).InnerToken.EncodedPayload));
if (document.RootElement.ValueKind != JsonValueKind.Object)
{
throw new InvalidOperationException(SR.GetResourceString(SR.ID0117));
}
// Restore the authorization request parameters from the serialized payload.
foreach (var parameter in document.RootElement.EnumerateObject())
{
// Avoid overriding the current request parameters.
if (context.Request.HasParameter(parameter.Name))
{
continue;
}
context.Request.SetParameter(parameter.Name, parameter.Value.Clone());
}
}
public override async Task ExtractAuthorizationRequest([NotNull] ExtractAuthorizationRequestContext context)
{
var services = context.HttpContext.RequestServices.GetRequiredService <OpenIddictServices <TApplication, TAuthorization, TScope, TToken> >();
// Reject requests using the unsupported request parameter.
if (!string.IsNullOrEmpty(context.Request.Request))
{
services.Logger.LogError("The authorization request was rejected because it contained " +
"an unsupported parameter: {Parameter}.", "request");
context.Reject(
error: OpenIdConnectConstants.Errors.RequestNotSupported,
description: "The request parameter is not supported.");
return;
}
// Reject requests using the unsupported request_uri parameter.
if (!string.IsNullOrEmpty(context.Request.RequestUri))
{
services.Logger.LogError("The authorization request was rejected because it contained " +
"an unsupported parameter: {Parameter}.", "request_uri");
context.Reject(
error: OpenIdConnectConstants.Errors.RequestUriNotSupported,
description: "The request_uri parameter is not supported.");
return;
}
// If a request_id parameter can be found in the authorization request,
// restore the complete authorization request from the distributed cache.
if (!string.IsNullOrEmpty(context.Request.RequestId))
{
// Return an error if request caching support was not enabled.
if (!services.Options.EnableRequestCaching)
{
services.Logger.LogError("The authorization request was rejected because " +
"request caching support was not enabled.");
context.Reject(
error: OpenIdConnectConstants.Errors.InvalidRequest,
description: "The request_id parameter is not supported.");
return;
}
// Note: the cache key is always prefixed with a specific marker
// to avoid collisions with the other types of cached requests.
var key = OpenIddictConstants.Environment.AuthorizationRequest + context.Request.RequestId;
var payload = await services.Options.Cache.GetAsync(key);
if (payload == null)
{
services.Logger.LogError("The authorization request was rejected because an unknown " +
"or invalid request_id parameter was specified.");
context.Reject(
error: OpenIdConnectConstants.Errors.InvalidRequest,
description: "Invalid request: timeout expired.");
return;
}
// Restore the authorization request parameters from the serialized payload.
using (var reader = new BsonReader(new MemoryStream(payload))) {
foreach (var parameter in JObject.Load(reader))
{
// Avoid overriding the current request parameters.
if (context.Request.HasParameter(parameter.Key))
{
continue;
}
context.Request.SetParameter(parameter.Key, parameter.Value);
}
}
}
}
/// <summary>
/// Processes the event.
/// </summary>
/// <param name="context">The context associated with the event to process.</param>
/// <returns>
/// A <see cref="ValueTask"/> that can be used to monitor the asynchronous operation.
/// </returns>
public async ValueTask HandleAsync([NotNull] ExtractAuthorizationRequestContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
// If a request_id parameter can be found in the authorization request,
// restore the complete authorization request from the distributed cache.
if (string.IsNullOrEmpty(context.Request.RequestId))
{
return;
}
// Note: the cache key is always prefixed with a specific marker
// to avoid collisions with the other types of cached payloads.
var token = await _cache.GetStringAsync(Cache.AuthorizationRequest + context.Request.RequestId);
if (token == null || !context.Options.JsonWebTokenHandler.CanReadToken(token))
{
context.Logger.LogError("The authorization request was rejected because an unknown " +
"or invalid request_id parameter was specified.");
context.Reject(
error: Errors.InvalidRequest,
description: "The specified 'request_id' parameter is invalid.");
return;
}
// Restore the authorization request parameters from the serialized payload.
var parameters = new TokenValidationParameters
{
IssuerSigningKeys = context.Options.SigningCredentials.Select(credentials => credentials.Key),
TokenDecryptionKeys = context.Options.EncryptionCredentials.Select(credentials => credentials.Key),
ValidateLifetime = false,
ValidAudience = context.Issuer.AbsoluteUri,
ValidIssuer = context.Issuer.AbsoluteUri,
ValidTypes = new[] { JsonWebTokenTypes.AuthorizationRequest }
};
var result = context.Options.JsonWebTokenHandler.ValidateToken(token, parameters);
if (!result.IsValid)
{
context.Logger.LogError("The authorization request was rejected because an unknown " +
"or invalid request_id parameter was specified.");
context.Reject(
error: Errors.InvalidRequest,
description: "The specified 'request_id' parameter is invalid.");
return;
}
using var document = JsonDocument.Parse(
Base64UrlEncoder.Decode(((JsonWebToken)result.SecurityToken).InnerToken.EncodedPayload));
if (document.RootElement.ValueKind != JsonValueKind.Object)
{
throw new InvalidOperationException("The authorization request payload is malformed.");
}
foreach (var parameter in document.RootElement.EnumerateObject())
{
// Avoid overriding the current request parameters.
if (context.Request.HasParameter(parameter.Name))
{
continue;
}
context.Request.SetParameter(parameter.Name, parameter.Value.Clone());
}
}
public override async Task ExtractAuthorizationRequest([NotNull] ExtractAuthorizationRequestContext context)
{
var services = context.HttpContext.RequestServices.GetRequiredService <OpenIddictServices <TApplication, TAuthorization, TScope, TToken> >();
// Reject requests using the unsupported request parameter.
if (!string.IsNullOrEmpty(context.Request.Request))
{
services.Logger.LogError("The authorization request was rejected because it contained " +
"an unsupported parameter: {Parameter}.", "request");
context.Reject(
error: OpenIdConnectConstants.Errors.RequestNotSupported,
description: "The request parameter is not supported.");
return;
}
// Reject requests using the unsupported request_uri parameter.
if (!string.IsNullOrEmpty(context.Request.RequestUri))
{
services.Logger.LogError("The authorization request was rejected because it contained " +
"an unsupported parameter: {Parameter}.", "request_uri");
context.Reject(
error: OpenIdConnectConstants.Errors.RequestUriNotSupported,
description: "The request_uri parameter is not supported.");
return;
}
// If a request_id parameter can be found in the authorization request,
// restore the complete authorization request stored in the distributed cache.
if (!string.IsNullOrEmpty(context.Request.RequestId))
{
// Note: the cache key is always prefixed with a specific marker
// to avoid collisions with the other types of cached requests.
var key = OpenIddictConstants.Environment.AuthorizationRequest + context.Request.RequestId;
var payload = await services.Options.Cache.GetAsync(key);
if (payload == null)
{
services.Logger.LogError("The authorization request was rejected because an unknown " +
"or invalid request_id parameter was specified.");
context.Reject(
error: OpenIdConnectConstants.Errors.InvalidRequest,
description: "Invalid request: timeout expired.");
return;
}
// Restore the authorization request parameters from the serialized payload.
using (var reader = new BsonReader(new MemoryStream(payload))) {
var serializer = JsonSerializer.CreateDefault();
// Note: JsonSerializer.Populate() automatically preserves
// the original request parameters resolved from the cache
// when parameters with the same names are specified.
serializer.Populate(reader, context.Request);
}
}
}
