public void IsIdentityToken_ReturnsExpectedResult(string usage, bool result)
{
// Arrange
var ticket = new AuthenticationTicket(
new ClaimsIdentity(),
new AuthenticationProperties());
ticket.Properties.Dictionary[OpenIdConnectConstants.Properties.Usage] = usage;
// Act and assert
Assert.Equal(result, ticket.IsIdentityToken());
}
private async Task <bool> InvokeRevocationEndpointAsync()
{
if (!string.Equals(Request.Method, "POST", StringComparison.OrdinalIgnoreCase))
{
Logger.LogError("The revocation request was rejected because an invalid " +
"HTTP method was specified: {Method}.", Request.Method);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The specified HTTP method is not valid."
}));
}
// See http://openid.net/specs/openid-connect-core-1_0.html#FormSerialization
if (string.IsNullOrEmpty(Request.ContentType))
{
Logger.LogError("The revocation request was rejected because " +
"the mandatory 'Content-Type' header was missing.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'Content-Type' header must be specified."
}));
}
// May have media/type; charset=utf-8, allow partial match.
if (!Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase))
{
Logger.LogError("The revocation request was rejected because an invalid 'Content-Type' " +
"header was specified: {ContentType}.", Request.ContentType);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The specified 'Content-Type' header is not valid."
}));
}
var request = new OpenIdConnectRequest(await Request.ReadFormAsync(Context.RequestAborted));
// Note: set the message type before invoking the ExtractRevocationRequest event.
request.SetProperty(OpenIdConnectConstants.Properties.MessageType,
OpenIdConnectConstants.MessageTypes.RevocationRequest);
// Insert the revocation request in the ASP.NET context.
Context.SetOpenIdConnectRequest(request);
var @event = new ExtractRevocationRequestContext(Context, Options, request);
await Options.Provider.ExtractRevocationRequest(@event);
if (@event.HandledResponse)
{
Logger.LogDebug("The revocation request was handled in user code.");
return(true);
}
else if (@event.Skipped)
{
Logger.LogDebug("The default revocation request handling was skipped from user code.");
return(false);
}
else if (@event.IsRejected)
{
Logger.LogError("The revocation request was rejected with the following error: {Error} ; {Description}",
/* Error: */ @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ @event.ErrorDescription);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = @event.ErrorDescription,
ErrorUri = @event.ErrorUri
}));
}
Logger.LogInformation("The revocation request was successfully extracted " +
"from the HTTP request: {Request}.", request);
if (string.IsNullOrEmpty(request.Token))
{
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'token' parameter is missing."
}));
}
// Try to resolve the client credentials specified in the 'Authorization' header.
// If they cannot be extracted, fallback to the client_id/client_secret parameters.
var credentials = Request.Headers.GetClientCredentials();
if (credentials != null)
{
// Reject requests that use multiple client authentication methods.
// See https://tools.ietf.org/html/rfc6749#section-2.3 for more information.
if (!string.IsNullOrEmpty(request.ClientSecret))
{
Logger.LogError("The revocation request was rejected because " +
"multiple client credentials were specified.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "Multiple client credentials cannot be specified."
}));
}
request.ClientId = credentials?.Key;
request.ClientSecret = credentials?.Value;
}
var context = new ValidateRevocationRequestContext(Context, Options, request);
await Options.Provider.ValidateRevocationRequest(context);
// If the validation context was set as fully validated,
// mark the OpenID Connect request as confidential.
if (context.IsValidated)
{
request.SetProperty(OpenIdConnectConstants.Properties.ConfidentialityLevel,
OpenIdConnectConstants.ConfidentialityLevels.Private);
}
if (context.HandledResponse)
{
Logger.LogDebug("The revocation request was handled in user code.");
return(true);
}
else if (context.Skipped)
{
Logger.LogDebug("The default revocation request handling was skipped from user code.");
return(false);
}
else if (context.IsRejected)
{
Logger.LogError("The revocation request was rejected with the following error: {Error} ; {Description}",
/* Error: */ context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ context.ErrorDescription);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = context.ErrorDescription,
ErrorUri = context.ErrorUri
}));
}
// Store the validated client_id as a request property.
request.SetProperty(OpenIdConnectConstants.Properties.ValidatedClientId, context.ClientId);
Logger.LogInformation("The revocation request was successfully validated.");
AuthenticationTicket ticket = null;
// Note: use the "token_type_hint" parameter to determine
// the type of the token sent by the client application.
// See https://tools.ietf.org/html/rfc7009#section-2.1
switch (request.TokenTypeHint)
{
case OpenIdConnectConstants.TokenTypeHints.AccessToken:
ticket = await DeserializeAccessTokenAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.AuthorizationCode:
ticket = await DeserializeAuthorizationCodeAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.IdToken:
ticket = await DeserializeIdentityTokenAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.RefreshToken:
ticket = await DeserializeRefreshTokenAsync(request.Token, request);
break;
}
// Note: if the token can't be found using "token_type_hint",
// the search must be extended to all supported token types.
// See https://tools.ietf.org/html/rfc7009#section-2.1
if (ticket == null)
{
ticket = await DeserializeAccessTokenAsync(request.Token, request) ??
await DeserializeAuthorizationCodeAsync(request.Token, request) ??
await DeserializeIdentityTokenAsync(request.Token, request) ??
await DeserializeRefreshTokenAsync(request.Token, request);
}
if (ticket == null)
{
Logger.LogInformation("The revocation request was ignored because the token was invalid.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse()));
}
// If the ticket is already expired, directly return a 200 response.
else if (ticket.Properties.ExpiresUtc.HasValue &&
ticket.Properties.ExpiresUtc < Options.SystemClock.UtcNow)
{
Logger.LogInformation("The revocation request was ignored because the token was already expired.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse()));
}
// Note: unlike refresh tokens that can only be revoked by client applications,
// access tokens can be revoked by either resource servers or client applications:
// in both cases, the caller must be authenticated if the ticket is marked as confidential.
if (context.IsSkipped && ticket.IsConfidential())
{
Logger.LogError("The revocation request was rejected because the caller was not authenticated.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
// When a client_id can be inferred from the introspection request,
// ensure that the client application is a valid audience/presenter.
if (!string.IsNullOrEmpty(context.ClientId))
{
if (ticket.IsAuthorizationCode() && ticket.HasPresenter() && !ticket.HasPresenter(context.ClientId))
{
Logger.LogError("The revocation request was rejected because the " +
"authorization code was issued to a different client.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
// Ensure the caller is listed as a valid audience or authorized presenter.
else if (ticket.IsAccessToken() && ticket.HasAudience() && !ticket.HasAudience(context.ClientId) &&
ticket.HasPresenter() && !ticket.HasPresenter(context.ClientId))
{
Logger.LogError("The revocation request was rejected because the access token " +
"was issued to a different client or for another resource server.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
// Reject the request if the caller is not listed as a valid audience.
else if (ticket.IsIdentityToken() && ticket.HasAudience() && !ticket.HasAudience(context.ClientId))
{
Logger.LogError("The revocation request was rejected because the " +
"identity token was issued to a different client.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
// Reject the introspection request if the caller doesn't
// correspond to the client application the token was issued to.
else if (ticket.IsRefreshToken() && ticket.HasPresenter() && !ticket.HasPresenter(context.ClientId))
{
Logger.LogError("The revocation request was rejected because the " +
"refresh token was issued to a different client.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
}
var notification = new HandleRevocationRequestContext(Context, Options, request, ticket);
await Options.Provider.HandleRevocationRequest(notification);
if (notification.HandledResponse)
{
Logger.LogDebug("The revocation request was handled in user code.");
return(true);
}
else if (notification.Skipped)
{
Logger.LogDebug("The default revocation request handling was skipped from user code.");
return(false);
}
else if (notification.IsRejected)
{
Logger.LogError("The revocation request was rejected with the following error: {Error} ; {Description}",
/* Error: */ notification.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ notification.ErrorDescription);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = notification.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = notification.ErrorDescription,
ErrorUri = notification.ErrorUri
}));
}
if (!notification.Revoked)
{
return(await SendRevocationResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedTokenType,
ErrorDescription = "The specified token cannot be revoked."
}));
}
return(await SendRevocationResponseAsync(new OpenIdConnectResponse()));
}
private async Task <bool> InvokeIntrospectionEndpointAsync()
{
OpenIdConnectRequest request;
// See https://tools.ietf.org/html/rfc7662#section-2.1
// and https://tools.ietf.org/html/rfc7662#section-4
if (string.Equals(Request.Method, "GET", StringComparison.OrdinalIgnoreCase))
{
request = new OpenIdConnectRequest(Request.Query);
}
else if (string.Equals(Request.Method, "POST", StringComparison.OrdinalIgnoreCase))
{
// See http://openid.net/specs/openid-connect-core-1_0.html#FormSerialization
if (string.IsNullOrEmpty(Request.ContentType))
{
Logger.LogError("The introspection request was rejected because " +
"the mandatory 'Content-Type' header was missing.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'Content-Type' header must be specified."
}));
}
// May have media/type; charset=utf-8, allow partial match.
if (!Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase))
{
Logger.LogError("The introspection request was rejected because an invalid 'Content-Type' " +
"header was specified: {ContentType}.", Request.ContentType);
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The specified 'Content-Type' header is not valid."
}));
}
request = new OpenIdConnectRequest(await Request.ReadFormAsync(Context.RequestAborted));
}
else
{
Logger.LogError("The introspection request was rejected because an invalid " +
"HTTP method was specified: {Method}.", Request.Method);
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The specified HTTP method is not valid."
}));
}
// Note: set the message type before invoking the ExtractIntrospectionRequest event.
request.SetProperty(OpenIdConnectConstants.Properties.MessageType,
OpenIdConnectConstants.MessageTypes.IntrospectionRequest);
// Store the introspection request in the ASP.NET context.
Context.SetOpenIdConnectRequest(request);
var @event = new ExtractIntrospectionRequestContext(Context, Options, request);
await Options.Provider.ExtractIntrospectionRequest(@event);
if (@event.HandledResponse)
{
Logger.LogDebug("The introspection request was handled in user code.");
return(true);
}
else if (@event.Skipped)
{
Logger.LogDebug("The default introspection request handling was skipped from user code.");
return(false);
}
else if (@event.IsRejected)
{
Logger.LogError("The introspection request was rejected with the following error: {Error} ; {Description}",
/* Error: */ @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ @event.ErrorDescription);
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
Error = @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = @event.ErrorDescription,
ErrorUri = @event.ErrorUri
}));
}
Logger.LogInformation("The introspection request was successfully extracted " +
"from the HTTP request: {Request}.", request);
if (string.IsNullOrEmpty(request.Token))
{
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'token' parameter is missing."
}));
}
// Try to resolve the client credentials specified in the 'Authorization' header.
// If they cannot be extracted, fallback to the client_id/client_secret parameters.
var credentials = Request.Headers.GetClientCredentials();
if (credentials != null)
{
// Reject requests that use multiple client authentication methods.
// See https://tools.ietf.org/html/rfc6749#section-2.3 for more information.
if (!string.IsNullOrEmpty(request.ClientSecret))
{
Logger.LogError("The introspection request was rejected because " +
"multiple client credentials were specified.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "Multiple client credentials cannot be specified."
}));
}
request.ClientId = credentials?.Key;
request.ClientSecret = credentials?.Value;
}
var context = new ValidateIntrospectionRequestContext(Context, Options, request);
await Options.Provider.ValidateIntrospectionRequest(context);
// If the validation context was set as fully validated,
// mark the OpenID Connect request as confidential.
if (context.IsValidated)
{
request.SetProperty(OpenIdConnectConstants.Properties.ConfidentialityLevel,
OpenIdConnectConstants.ConfidentialityLevels.Private);
}
if (context.HandledResponse)
{
Logger.LogDebug("The introspection request was handled in user code.");
return(true);
}
else if (context.Skipped)
{
Logger.LogDebug("The default introspection request handling was skipped from user code.");
return(false);
}
else if (context.IsRejected)
{
Logger.LogError("The introspection request was rejected with the following error: {Error} ; {Description}",
/* Error: */ context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ context.ErrorDescription);
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
Error = context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = context.ErrorDescription,
ErrorUri = context.ErrorUri
}));
}
// Store the validated client_id as a request property.
request.SetProperty(OpenIdConnectConstants.Properties.ValidatedClientId, context.ClientId);
Logger.LogInformation("The introspection request was successfully validated.");
AuthenticationTicket ticket = null;
// Note: use the "token_type_hint" parameter to determine
// the type of the token sent by the client application.
// See https://tools.ietf.org/html/rfc7662#section-2.1
switch (request.TokenTypeHint)
{
case OpenIdConnectConstants.TokenTypeHints.AccessToken:
ticket = await DeserializeAccessTokenAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.AuthorizationCode:
ticket = await DeserializeAuthorizationCodeAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.IdToken:
ticket = await DeserializeIdentityTokenAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.RefreshToken:
ticket = await DeserializeRefreshTokenAsync(request.Token, request);
break;
}
// Note: if the token can't be found using "token_type_hint",
// the search must be extended to all supported token types.
// See https://tools.ietf.org/html/rfc7662#section-2.1
if (ticket == null)
{
ticket = await DeserializeAccessTokenAsync(request.Token, request) ??
await DeserializeAuthorizationCodeAsync(request.Token, request) ??
await DeserializeIdentityTokenAsync(request.Token, request) ??
await DeserializeRefreshTokenAsync(request.Token, request);
}
if (ticket == null)
{
Logger.LogInformation("The introspection request was rejected because the token was invalid.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
[OpenIdConnectConstants.Parameters.Active] = false
}));
}
// Note: unlike refresh or identity tokens that can only be validated by client applications,
// access tokens can be validated by either resource servers or client applications:
// in both cases, the caller must be authenticated if the ticket is marked as confidential.
if (context.IsSkipped && ticket.IsConfidential())
{
Logger.LogError("The introspection request was rejected because the caller was not authenticated.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
[OpenIdConnectConstants.Parameters.Active] = false
}));
}
// If the ticket is already expired, directly return active=false.
if (ticket.Properties.ExpiresUtc.HasValue &&
ticket.Properties.ExpiresUtc < Options.SystemClock.UtcNow)
{
Logger.LogInformation("The introspection request was rejected because the token was expired.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
[OpenIdConnectConstants.Parameters.Active] = false
}));
}
// When a client_id can be inferred from the introspection request,
// ensure that the client application is a valid audience/presenter.
if (!string.IsNullOrEmpty(context.ClientId))
{
if (ticket.IsAuthorizationCode() && ticket.HasPresenter() && !ticket.HasPresenter(context.ClientId))
{
Logger.LogError("The introspection request was rejected because the " +
"authorization code was issued to a different client.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
[OpenIdConnectConstants.Parameters.Active] = false
}));
}
// Ensure the caller is listed as a valid audience or authorized presenter.
else if (ticket.IsAccessToken() && ticket.HasAudience() && !ticket.HasAudience(context.ClientId) &&
ticket.HasPresenter() && !ticket.HasPresenter(context.ClientId))
{
Logger.LogError("The introspection request was rejected because the access token " +
"was issued to a different client or for another resource server.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
[OpenIdConnectConstants.Parameters.Active] = false
}));
}
// Reject the request if the caller is not listed as a valid audience.
else if (ticket.IsIdentityToken() && ticket.HasAudience() && !ticket.HasAudience(context.ClientId))
{
Logger.LogError("The introspection request was rejected because the " +
"identity token was issued to a different client.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
[OpenIdConnectConstants.Parameters.Active] = false
}));
}
// Reject the introspection request if the caller doesn't
// correspond to the client application the token was issued to.
else if (ticket.IsRefreshToken() && ticket.HasPresenter() && !ticket.HasPresenter(context.ClientId))
{
Logger.LogError("The introspection request was rejected because the " +
"refresh token was issued to a different client.");
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
[OpenIdConnectConstants.Parameters.Active] = false
}));
}
}
var notification = new HandleIntrospectionRequestContext(Context, Options, request, ticket)
{
Active = true,
Issuer = Context.GetIssuer(Options),
TokenId = ticket.GetTokenId(),
TokenUsage = ticket.GetProperty(OpenIdConnectConstants.Properties.TokenUsage),
Subject = ticket.Principal.GetClaim(OpenIdConnectConstants.Claims.Subject)
};
// Note: only set "token_type" when the received token is an access token.
// See https://tools.ietf.org/html/rfc7662#section-2.2
// and https://tools.ietf.org/html/rfc6749#section-5.1
if (ticket.IsAccessToken())
{
notification.TokenType = OpenIdConnectConstants.TokenTypes.Bearer;
}
notification.IssuedAt = ticket.Properties.IssuedUtc;
notification.NotBefore = ticket.Properties.IssuedUtc;
notification.ExpiresAt = ticket.Properties.ExpiresUtc;
// Infer the audiences/client_id claims from the properties stored in the authentication ticket.
// Note: the client_id claim must be a unique string so multiple presenters cannot be returned.
// To work around this limitation, only the first one is returned if multiple values are listed.
notification.Audiences.UnionWith(ticket.GetAudiences());
notification.ClientId = ticket.GetPresenters().FirstOrDefault();
// Note: non-metadata claims are only added if the caller's client_id is known
// AND is in the specified audiences, unless there's no explicit audience.
if (!ticket.HasAudience() || (!string.IsNullOrEmpty(context.ClientId) && ticket.HasAudience(context.ClientId)))
{
notification.Username = ticket.Principal.Identity?.Name;
notification.Scopes.UnionWith(ticket.GetScopes());
// Potentially sensitive claims are only exposed if the client was authenticated
// and if the authentication ticket corresponds to an identity or access token.
if (context.IsValidated && (ticket.IsAccessToken() || ticket.IsIdentityToken()))
{
foreach (var grouping in ticket.Principal.Claims.GroupBy(claim => claim.Type))
{
// Exclude standard claims, that are already handled via strongly-typed properties.
// Make sure to always update this list when adding new built-in claim properties.
var type = grouping.Key;
switch (type)
{
case OpenIdConnectConstants.Claims.Audience:
case OpenIdConnectConstants.Claims.ExpiresAt:
case OpenIdConnectConstants.Claims.IssuedAt:
case OpenIdConnectConstants.Claims.Issuer:
case OpenIdConnectConstants.Claims.NotBefore:
case OpenIdConnectConstants.Claims.Scope:
case OpenIdConnectConstants.Claims.Subject:
case OpenIdConnectConstants.Claims.TokenType:
case OpenIdConnectConstants.Claims.TokenUsage:
continue;
}
var claims = grouping.ToArray();
switch (claims.Length)
{
case 0: continue;
// When there's only one claim with the same type, directly
// convert the claim as an OpenIdConnectParameter instance,
// whose token type is determined from the claim value type.
case 1:
{
notification.Claims[type] = claims[0].AsParameter();
continue;
}
// When multiple claims share the same type, convert all the claims
// to OpenIdConnectParameter instances, retrieve the underlying
// JSON values and add everything to a new JSON array.
default:
{
notification.Claims[type] = new JArray(claims.Select(claim => claim.AsParameter().Value));
continue;
}
}
}
}
}
await Options.Provider.HandleIntrospectionRequest(notification);
if (notification.HandledResponse)
{
Logger.LogDebug("The introspection request was handled in user code.");
return(true);
}
else if (notification.Skipped)
{
Logger.LogDebug("The default introspection request handling was skipped from user code.");
return(false);
}
else if (notification.IsRejected)
{
Logger.LogError("The introspection request was rejected with the following error: {Error} ; {Description}",
/* Error: */ notification.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ notification.ErrorDescription);
return(await SendIntrospectionResponseAsync(new OpenIdConnectResponse
{
Error = notification.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = notification.ErrorDescription,
ErrorUri = notification.ErrorUri
}));
}
var response = new OpenIdConnectResponse
{
[OpenIdConnectConstants.Claims.Active] = notification.Active
};
// Only add the other properties if
// the token is considered as active.
if (notification.Active)
{
response[OpenIdConnectConstants.Claims.Issuer] = notification.Issuer;
response[OpenIdConnectConstants.Claims.Username] = notification.Username;
response[OpenIdConnectConstants.Claims.Subject] = notification.Subject;
response[OpenIdConnectConstants.Claims.Scope] = string.Join(" ", notification.Scopes);
response[OpenIdConnectConstants.Claims.JwtId] = notification.TokenId;
response[OpenIdConnectConstants.Claims.TokenType] = notification.TokenType;
response[OpenIdConnectConstants.Claims.TokenUsage] = notification.TokenUsage;
response[OpenIdConnectConstants.Claims.ClientId] = notification.ClientId;
if (notification.IssuedAt != null)
{
response[OpenIdConnectConstants.Claims.IssuedAt] =
EpochTime.GetIntDate(notification.IssuedAt.Value.UtcDateTime);
}
if (notification.NotBefore != null)
{
response[OpenIdConnectConstants.Claims.NotBefore] =
EpochTime.GetIntDate(notification.NotBefore.Value.UtcDateTime);
}
if (notification.ExpiresAt != null)
{
response[OpenIdConnectConstants.Claims.ExpiresAt] =
EpochTime.GetIntDate(notification.ExpiresAt.Value.UtcDateTime);
}
switch (notification.Audiences.Count)
{
case 0: break;
case 1:
response[OpenIdConnectConstants.Claims.Audience] = notification.Audiences.ElementAt(0);
break;
default:
response[OpenIdConnectConstants.Claims.Audience] = new JArray(notification.Audiences);
break;
}
foreach (var claim in notification.Claims)
{
response.SetParameter(claim.Key, claim.Value);
}
}
return(await SendIntrospectionResponseAsync(response));
}
private async Task <AuthenticationTicket> DeserializeIdentityTokenAsync(string token, OpenIdConnectRequest request)
{
var notification = new DeserializeIdentityTokenContext(Context, Options, request, token)
{
SecurityTokenHandler = Options.IdentityTokenHandler
};
// Note: ValidateAudience and ValidateLifetime are always set to false:
// if necessary, the audience and the expiration can be validated
// in InvokeIntrospectionEndpointAsync or InvokeTokenEndpointAsync.
notification.TokenValidationParameters = new TokenValidationParameters
{
IssuerSigningKeys = Options.SigningCredentials.Select(credentials => credentials.Key),
NameClaimType = OpenIdConnectConstants.Claims.Name,
RoleClaimType = OpenIdConnectConstants.Claims.Role,
ValidIssuer = Context.GetIssuer(Options),
ValidateAudience = false,
ValidateLifetime = false
};
await Options.Provider.DeserializeIdentityToken(notification);
if (notification.HandledResponse || notification.Ticket != null)
{
notification.Ticket.SetUsage(OpenIdConnectConstants.Usages.IdentityToken);
return(notification.Ticket);
}
else if (notification.Skipped)
{
return(null);
}
if (notification.SecurityTokenHandler == null)
{
return(null);
}
SecurityToken securityToken;
ClaimsPrincipal principal;
try
{
if (!notification.SecurityTokenHandler.CanReadToken(token))
{
Logger.LogDebug("The identity token handler refused to read the token: {Token}", token);
return(null);
}
principal = notification.SecurityTokenHandler.ValidateToken(token, notification.TokenValidationParameters, out securityToken);
}
catch (Exception exception)
{
Logger.LogDebug("An exception occured when deserializing an identity token: {Message}.", exception.Message);
return(null);
}
// Parameters stored in AuthenticationProperties are lost
// when the identity token is serialized using a security token handler.
// To mitigate that, they are inferred from the claims or the security token.
var properties = new AuthenticationProperties
{
ExpiresUtc = securityToken.ValidTo,
IssuedUtc = securityToken.ValidFrom
};
var ticket = new AuthenticationTicket(principal, properties, Options.AuthenticationScheme);
var audiences = principal.FindAll(OpenIdConnectConstants.Claims.Audience);
if (audiences.Any())
{
ticket.SetAudiences(audiences.Select(claim => claim.Value));
}
var presenters = principal.FindAll(OpenIdConnectConstants.Claims.AuthorizedParty);
if (presenters.Any())
{
ticket.SetPresenters(presenters.Select(claim => claim.Value));
}
var identifier = principal.FindFirst(OpenIdConnectConstants.Claims.JwtId);
if (identifier != null)
{
ticket.SetTicketId(identifier.Value);
}
var usage = principal.FindFirst(OpenIdConnectConstants.Claims.Usage);
if (usage != null)
{
ticket.SetUsage(usage.Value);
}
var confidentiality = principal.FindFirst(OpenIdConnectConstants.Claims.ConfidentialityLevel);
if (confidentiality != null)
{
ticket.SetProperty(OpenIdConnectConstants.Properties.ConfidentialityLevel, confidentiality.Value);
}
// Ensure the received ticket is an identity token.
if (!ticket.IsIdentityToken())
{
Logger.LogDebug("The received token was not an identity token: {Token}.", token);
return(null);
}
return(ticket);
}
private async Task <bool> InvokeRevocationEndpointAsync()
{
if (!string.Equals(Request.Method, "POST", StringComparison.OrdinalIgnoreCase))
{
Logger.LogError("The revocation request was rejected because an invalid " +
"HTTP method was received: {Method}.", Request.Method);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed revocation request has been received: " +
"make sure to use either GET or POST."
}));
}
// See http://openid.net/specs/openid-connect-core-1_0.html#FormSerialization
if (string.IsNullOrEmpty(Request.ContentType))
{
Logger.LogError("The revocation request was rejected because " +
"the mandatory 'Content-Type' header was missing.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed revocation request has been received: " +
"the mandatory 'Content-Type' header was missing from the POST request."
}));
}
// May have media/type; charset=utf-8, allow partial match.
if (!Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase))
{
Logger.LogError("The revocation request was rejected because an invalid 'Content-Type' " +
"header was received: {ContentType}.", Request.ContentType);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed revocation request has been received: " +
"the 'Content-Type' header contained an unexcepted value. " +
"Make sure to use 'application/x-www-form-urlencoded'."
}));
}
var request = new OpenIdConnectRequest(await Request.ReadFormAsync(Context.RequestAborted));
// Note: set the message type before invoking the ExtractRevocationRequest event.
request.SetProperty(OpenIdConnectConstants.Properties.MessageType,
OpenIdConnectConstants.MessageTypes.Revocation);
// Insert the revocation request in the ASP.NET context.
Context.SetOpenIdConnectRequest(request);
var @event = new ExtractRevocationRequestContext(Context, Options, request);
await Options.Provider.ExtractRevocationRequest(@event);
if (@event.HandledResponse)
{
return(true);
}
else if (@event.Skipped)
{
return(false);
}
else if (@event.IsRejected)
{
Logger.LogError("The revocation request was rejected with the following error: {Error} ; {Description}",
/* Error: */ @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ @event.ErrorDescription);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = @event.ErrorDescription,
ErrorUri = @event.ErrorUri
}));
}
if (string.IsNullOrWhiteSpace(request.Token))
{
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed revocation request has been received: " +
"a 'token' parameter with an access or refresh token is required."
}));
}
// When client_id and client_secret are both null, try to extract them from the Authorization header.
// See http://tools.ietf.org/html/rfc6749#section-2.3.1 and
// http://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication
if (string.IsNullOrEmpty(request.ClientId) && string.IsNullOrEmpty(request.ClientSecret))
{
string header = Request.Headers[HeaderNames.Authorization];
if (!string.IsNullOrEmpty(header) && header.StartsWith("Basic ", StringComparison.OrdinalIgnoreCase))
{
try {
var value = header.Substring("Basic ".Length).Trim();
var data = Encoding.UTF8.GetString(Convert.FromBase64String(value));
var index = data.IndexOf(':');
if (index >= 0)
{
request.ClientId = data.Substring(0, index);
request.ClientSecret = data.Substring(index + 1);
}
}
catch (FormatException) { }
catch (ArgumentException) { }
}
}
var context = new ValidateRevocationRequestContext(Context, Options, request);
await Options.Provider.ValidateRevocationRequest(context);
// If the validation context was set as fully validated,
// mark the OpenID Connect request as confidential.
if (context.IsValidated)
{
request.SetProperty(OpenIdConnectConstants.Properties.ConfidentialityLevel,
OpenIdConnectConstants.ConfidentialityLevels.Private);
}
if (context.HandledResponse)
{
return(true);
}
else if (context.Skipped)
{
return(false);
}
else if (context.IsRejected)
{
Logger.LogError("The revocation request was rejected with the following error: {Error} ; {Description}",
/* Error: */ context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ context.ErrorDescription);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = context.ErrorDescription,
ErrorUri = context.ErrorUri
}));
}
// Ensure that the client_id has been set from the ValidateRevocationRequest event.
else if (context.IsValidated && string.IsNullOrEmpty(request.ClientId))
{
Logger.LogError("The revocation request was validated but the client_id was not set.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.ServerError,
ErrorDescription = "An internal server error occurred."
}));
}
AuthenticationTicket ticket = null;
// Note: use the "token_type_hint" parameter to determine
// the type of the token sent by the client application.
// See https://tools.ietf.org/html/rfc7009#section-2.1
switch (request.TokenTypeHint)
{
case OpenIdConnectConstants.TokenTypeHints.AccessToken:
ticket = await DeserializeAccessTokenAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.AuthorizationCode:
ticket = await DeserializeAuthorizationCodeAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.IdToken:
ticket = await DeserializeIdentityTokenAsync(request.Token, request);
break;
case OpenIdConnectConstants.TokenTypeHints.RefreshToken:
ticket = await DeserializeRefreshTokenAsync(request.Token, request);
break;
}
// Note: if the token can't be found using "token_type_hint",
// the search must be extended to all supported token types.
// See https://tools.ietf.org/html/rfc7009#section-2.1
if (ticket == null)
{
ticket = await DeserializeAccessTokenAsync(request.Token, request) ??
await DeserializeAuthorizationCodeAsync(request.Token, request) ??
await DeserializeIdentityTokenAsync(request.Token, request) ??
await DeserializeRefreshTokenAsync(request.Token, request);
}
if (ticket == null)
{
Logger.LogInformation("The revocation request was ignored because the token was invalid.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse()));
}
// If the ticket is already expired, directly return a 200 response.
else if (ticket.Properties.ExpiresUtc.HasValue &&
ticket.Properties.ExpiresUtc < Options.SystemClock.UtcNow)
{
Logger.LogInformation("The revocation request was ignored because the token was already expired.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse()));
}
// Note: unlike refresh tokens that can only be revoked by client applications,
// access tokens can be revoked by either resource servers or client applications:
// in both cases, the caller must be authenticated if the ticket is marked as confidential.
if (context.IsSkipped && ticket.IsConfidential())
{
Logger.LogError("The revocation request was rejected because the caller was not authenticated.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
// When a client_id can be inferred from the introspection request,
// ensure that the client application is a valid audience/presenter.
if (!string.IsNullOrEmpty(request.ClientId))
{
if (ticket.IsAuthorizationCode() && ticket.HasPresenter() && !ticket.HasPresenter(request.ClientId))
{
Logger.LogError("The revocation request was rejected because the " +
"authorization code was issued to a different client.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
// Ensure the caller is listed as a valid audience or authorized presenter.
else if (ticket.IsAccessToken() && ticket.HasAudience() && !ticket.HasAudience(request.ClientId) &&
ticket.HasPresenter() && !ticket.HasPresenter(request.ClientId))
{
Logger.LogError("The revocation request was rejected because the access token " +
"was issued to a different client or for another resource server.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
// Reject the request if the caller is not listed as a valid audience.
else if (ticket.IsIdentityToken() && ticket.HasAudience() && !ticket.HasAudience(request.ClientId))
{
Logger.LogError("The revocation request was rejected because the " +
"identity token was issued to a different client.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
// Reject the introspection request if the caller doesn't
// correspond to the client application the token was issued to.
else if (ticket.IsRefreshToken() && ticket.HasPresenter() && !ticket.HasPresenter(request.ClientId))
{
Logger.LogError("The revocation request was rejected because the " +
"refresh token was issued to a different client.");
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest
}));
}
}
var notification = new HandleRevocationRequestContext(Context, Options, request, ticket);
await Options.Provider.HandleRevocationRequest(notification);
if (notification.HandledResponse)
{
return(true);
}
else if (notification.Skipped)
{
return(false);
}
else if (notification.IsRejected)
{
Logger.LogError("The revocation request was rejected with the following error: {Error} ; {Description}",
/* Error: */ notification.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ notification.ErrorDescription);
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = notification.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = notification.ErrorDescription,
ErrorUri = notification.ErrorUri
}));
}
if (!notification.Revoked)
{
return(await SendRevocationResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.UnsupportedTokenType,
ErrorDescription = "The token cannot be revoked."
}));
}
return(await SendRevocationResponseAsync(new OpenIdConnectResponse()));
}
private async Task <bool> InvokeIntrospectionEndpointAsync()
{
OpenIdConnectMessage request;
// See https://tools.ietf.org/html/rfc7662#section-2.1
// and https://tools.ietf.org/html/rfc7662#section-4
if (string.Equals(Request.Method, "GET", StringComparison.OrdinalIgnoreCase))
{
request = new OpenIdConnectMessage(Request.Query)
{
RequestType = OpenIdConnectRequestType.AuthenticationRequest
};
}
else if (string.Equals(Request.Method, "POST", StringComparison.OrdinalIgnoreCase))
{
// See http://openid.net/specs/openid-connect-core-1_0.html#FormSerialization
if (string.IsNullOrEmpty(Request.ContentType))
{
Options.Logger.LogError("The introspection request was rejected because " +
"the mandatory 'Content-Type' header was missing.");
return(await SendIntrospectionResponseAsync(null, new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed introspection request has been received: " +
"the mandatory 'Content-Type' header was missing from the POST request."
}));
}
// May have media/type; charset=utf-8, allow partial match.
if (!Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase))
{
Options.Logger.LogError("The introspection request was rejected because an invalid 'Content-Type' " +
"header was received: {ContentType}.", Request.ContentType);
return(await SendIntrospectionResponseAsync(null, new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed introspection request has been received: " +
"the 'Content-Type' header contained an unexcepted value. " +
"Make sure to use 'application/x-www-form-urlencoded'."
}));
}
request = new OpenIdConnectMessage(await Request.ReadFormAsync())
{
RequestType = OpenIdConnectRequestType.AuthenticationRequest
};
}
else
{
Options.Logger.LogError("The introspection request was rejected because an invalid " +
"HTTP method was received: {Method}.", Request.Method);
return(await SendIntrospectionResponseAsync(null, new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed introspection request has been received: " +
"make sure to use either GET or POST."
}));
}
if (string.IsNullOrWhiteSpace(request.Token))
{
return(await SendIntrospectionResponseAsync(request, new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed introspection request has been received: " +
"a 'token' parameter with an access, refresh, or identity token is required."
}));
}
// Insert the introspection request in the OWIN context.
Context.SetOpenIdConnectRequest(request);
// When client_id and client_secret are both null, try to extract them from the Authorization header.
// See http://tools.ietf.org/html/rfc6749#section-2.3.1 and
// http://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication
if (string.IsNullOrEmpty(request.ClientId) && string.IsNullOrEmpty(request.ClientSecret))
{
var header = Request.Headers.Get("Authorization");
if (!string.IsNullOrEmpty(header) && header.StartsWith("Basic ", StringComparison.OrdinalIgnoreCase))
{
try {
var value = header.Substring("Basic ".Length).Trim();
var data = Encoding.UTF8.GetString(Convert.FromBase64String(value));
var index = data.IndexOf(':');
if (index >= 0)
{
request.ClientId = data.Substring(0, index);
request.ClientSecret = data.Substring(index + 1);
}
}
catch (FormatException) { }
catch (ArgumentException) { }
}
}
var context = new ValidateIntrospectionRequestContext(Context, Options, request);
await Options.Provider.ValidateIntrospectionRequest(context);
if (context.IsRejected)
{
Options.Logger.LogInformation("The introspection request was rejected by application code.");
return(await SendIntrospectionResponseAsync(request, new OpenIdConnectMessage {
Error = context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = context.ErrorDescription,
ErrorUri = context.ErrorUri
}));
}
// Ensure that the client_id has been set from the ValidateIntrospectionRequest event.
else if (context.IsValidated && string.IsNullOrEmpty(request.ClientId))
{
Options.Logger.LogError("The introspection request was validated but the client_id was not set.");
return(await SendIntrospectionResponseAsync(request, new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.ServerError,
ErrorDescription = "An internal server error occurred."
}));
}
AuthenticationTicket ticket = null;
// Note: use the "token_type_hint" parameter to determine
// the type of the token sent by the client application.
// See https://tools.ietf.org/html/rfc7662#section-2.1
switch (request.GetTokenTypeHint())
{
case OpenIdConnectConstants.Usages.AccessToken:
ticket = await DeserializeAccessTokenAsync(request.Token, request);
break;
case OpenIdConnectConstants.Usages.RefreshToken:
ticket = await DeserializeRefreshTokenAsync(request.Token, request);
break;
case OpenIdConnectConstants.Usages.IdToken:
ticket = await DeserializeIdentityTokenAsync(request.Token, request);
break;
}
// Note: if the token can't be found using "token_type_hint",
// the search must be extended to all supported token types.
// See https://tools.ietf.org/html/rfc7662#section-2.1
if (ticket == null)
{
ticket = await DeserializeAccessTokenAsync(request.Token, request) ??
await DeserializeIdentityTokenAsync(request.Token, request) ??
await DeserializeRefreshTokenAsync(request.Token, request);
}
if (ticket == null)
{
Options.Logger.LogInformation("The introspection request was rejected because the token was invalid.");
return(await SendIntrospectionResponseAsync(request, new JObject {
[OpenIdConnectConstants.Claims.Active] = false
}));
}
// Note: unlike refresh or identity tokens that can only be validated by client applications,
// access tokens can be validated by either resource servers or client applications:
// in both cases, the caller must be authenticated if the ticket is marked as confidential.
if (context.IsSkipped && ticket.IsConfidential())
{
Options.Logger.LogWarning("The introspection request was rejected because the caller was not authenticated.");
return(await SendIntrospectionResponseAsync(request, new JObject {
[OpenIdConnectConstants.Claims.Active] = false
}));
}
// If the ticket is already expired, directly return active=false.
if (ticket.Properties.ExpiresUtc.HasValue &&
ticket.Properties.ExpiresUtc < Options.SystemClock.UtcNow)
{
Options.Logger.LogInformation("The introspection request was rejected because the token was expired.");
return(await SendIntrospectionResponseAsync(request, new JObject {
[OpenIdConnectConstants.Claims.Active] = false
}));
}
// When a client_id can be inferred from the introspection request,
// ensure that the client application is a valid audience/presenter.
if (!string.IsNullOrEmpty(request.ClientId))
{
// Ensure the caller is listed as a valid audience or authorized presenter.
if (ticket.IsAccessToken() && ticket.HasAudience() && !ticket.HasAudience(request.ClientId) &&
ticket.HasPresenter() && !ticket.HasPresenter(request.ClientId))
{
Options.Logger.LogWarning("The introspection request was rejected because the access token " +
"was issued to a different client or for another resource server.");
return(await SendIntrospectionResponseAsync(request, new JObject {
[OpenIdConnectConstants.Claims.Active] = false
}));
}
// Reject the request if the caller is not listed as a valid audience.
else if (ticket.IsIdentityToken() && ticket.HasAudience() && !ticket.HasAudience(request.ClientId))
{
Options.Logger.LogWarning("The introspection request was rejected because the " +
"identity token was issued to a different client.");
return(await SendIntrospectionResponseAsync(request, new JObject {
[OpenIdConnectConstants.Claims.Active] = false
}));
}
// Reject the introspection request if the caller doesn't
// correspond to the client application the token was issued to.
else if (ticket.IsRefreshToken() && ticket.HasPresenter() && !ticket.HasPresenter(request.ClientId))
{
Options.Logger.LogWarning("The introspection request was rejected because the " +
"refresh token was issued to a different client.");
return(await SendIntrospectionResponseAsync(request, new JObject {
[OpenIdConnectConstants.Claims.Active] = false
}));
}
}
var notification = new HandleIntrospectionRequestContext(Context, Options, request, ticket);
notification.Active = true;
// Use the unique ticket identifier to populate the "jti" claim.
notification.TokenId = ticket.GetTicketId();
// Note: only set "token_type" when the received token is an access token.
// See https://tools.ietf.org/html/rfc7662#section-2.2
// and https://tools.ietf.org/html/rfc6749#section-5.1
if (ticket.IsAccessToken())
{
notification.TokenType = OpenIdConnectConstants.TokenTypes.Bearer;
}
notification.Issuer = Context.GetIssuer(Options);
notification.Subject = ticket.Identity.GetClaim(ClaimTypes.NameIdentifier);
notification.IssuedAt = ticket.Properties.IssuedUtc;
notification.ExpiresAt = ticket.Properties.ExpiresUtc;
// Copy the audiences extracted from the "aud" claim.
foreach (var audience in ticket.GetAudiences())
{
notification.Audiences.Add(audience);
}
// Note: non-metadata claims are only added if the caller is authenticated
// AND is in the specified audiences, unless there's so explicit audience.
if (!ticket.HasAudience() || (!string.IsNullOrEmpty(request.ClientId) && ticket.HasAudience(request.ClientId)))
{
notification.Username = ticket.Identity.Name;
notification.Scope = ticket.GetProperty(OpenIdConnectConstants.Properties.Scopes);
// Potentially sensitive claims are only exposed to trusted callers
// if the ticket corresponds to an access or identity token.
if (ticket.IsAccessToken() || ticket.IsIdentityToken())
{
foreach (var claim in ticket.Identity.Claims)
{
// Exclude standard claims, that are already handled via strongly-typed properties.
// Make sure to always update this list when adding new built-in claim properties.
if (string.Equals(claim.Type, ticket.Identity.NameClaimType, StringComparison.Ordinal) ||
string.Equals(claim.Type, ClaimTypes.NameIdentifier, StringComparison.Ordinal))
{
continue;
}
if (string.Equals(claim.Type, OpenIdConnectConstants.Claims.Audience, StringComparison.Ordinal) ||
string.Equals(claim.Type, OpenIdConnectConstants.Claims.ExpiresAt, StringComparison.Ordinal) ||
string.Equals(claim.Type, OpenIdConnectConstants.Claims.IssuedAt, StringComparison.Ordinal) ||
string.Equals(claim.Type, OpenIdConnectConstants.Claims.Issuer, StringComparison.Ordinal) ||
string.Equals(claim.Type, OpenIdConnectConstants.Claims.NotBefore, StringComparison.Ordinal) ||
string.Equals(claim.Type, OpenIdConnectConstants.Claims.Scope, StringComparison.Ordinal) ||
string.Equals(claim.Type, OpenIdConnectConstants.Claims.Subject, StringComparison.Ordinal) ||
string.Equals(claim.Type, OpenIdConnectConstants.Claims.TokenType, StringComparison.Ordinal))
{
continue;
}
string type;
// Try to resolve the short name associated with the claim type:
// if none can be found, the claim type is used as-is.
if (!JwtSecurityTokenHandler.OutboundClaimTypeMap.TryGetValue(claim.Type, out type))
{
type = claim.Type;
}
// Note: make sure to use the indexer
// syntax to avoid duplicate properties.
notification.Claims[type] = claim.Value;
}
}
}
await Options.Provider.HandleIntrospectionRequest(notification);
if (notification.HandledResponse)
{
return(true);
}
else if (notification.Skipped)
{
return(false);
}
var response = new JObject();
response.Add(OpenIdConnectConstants.Claims.Active, notification.Active);
// Only add the other properties if
// the token is considered as active.
if (notification.Active)
{
if (!string.IsNullOrEmpty(notification.Issuer))
{
response.Add(OpenIdConnectConstants.Claims.Issuer, notification.Issuer);
}
if (!string.IsNullOrEmpty(notification.Username))
{
response.Add(OpenIdConnectConstants.Claims.Username, notification.Username);
}
if (!string.IsNullOrEmpty(notification.Subject))
{
response.Add(OpenIdConnectConstants.Claims.Subject, notification.Subject);
}
if (!string.IsNullOrEmpty(notification.Scope))
{
response.Add(OpenIdConnectConstants.Claims.Scope, notification.Scope);
}
if (notification.IssuedAt.HasValue)
{
response.Add(OpenIdConnectConstants.Claims.IssuedAt,
EpochTime.GetIntDate(notification.IssuedAt.Value.UtcDateTime));
response.Add(OpenIdConnectConstants.Claims.NotBefore,
EpochTime.GetIntDate(notification.IssuedAt.Value.UtcDateTime));
}
if (notification.ExpiresAt.HasValue)
{
response.Add(OpenIdConnectConstants.Claims.ExpiresAt,
EpochTime.GetIntDate(notification.ExpiresAt.Value.UtcDateTime));
}
if (!string.IsNullOrEmpty(notification.TokenId))
{
response.Add(OpenIdConnectConstants.Claims.JwtId, notification.TokenId);
}
if (!string.IsNullOrEmpty(notification.TokenType))
{
response.Add(OpenIdConnectConstants.Claims.TokenType, notification.TokenType);
}
switch (notification.Audiences.Count)
{
case 0: break;
case 1:
response.Add(OpenIdConnectConstants.Claims.Audience, notification.Audiences[0]);
break;
default:
response.Add(OpenIdConnectConstants.Claims.Audience, JArray.FromObject(notification.Audiences));
break;
}
foreach (var claim in notification.Claims)
{
// Ignore claims whose value is null.
if (claim.Value == null)
{
continue;
}
// Note: make sure to use the indexer
// syntax to avoid duplicate properties.
response[claim.Key] = claim.Value;
}
}
return(await SendIntrospectionResponseAsync(request, response));
}
private async Task <AuthenticationTicket> DeserializeIdentityTokenAsync(string token, OpenIdConnectRequest request)
{
var notification = new DeserializeIdentityTokenContext(Context, Scheme, Options, request, token)
{
SecurityTokenHandler = Options.IdentityTokenHandler
};
// Note: ValidateAudience and ValidateLifetime are always set to false:
// if necessary, the audience and the expiration can be validated
// in InvokeIntrospectionEndpointAsync or InvokeTokenEndpointAsync.
notification.TokenValidationParameters = new TokenValidationParameters
{
IssuerSigningKeys = Options.SigningCredentials.Select(credentials => credentials.Key)
.Where(key => key is AsymmetricSecurityKey),
NameClaimType = OpenIdConnectConstants.Claims.Name,
RoleClaimType = OpenIdConnectConstants.Claims.Role,
ValidIssuer = Context.GetIssuer(Options),
ValidateAudience = false,
ValidateLifetime = false
};
await Provider.DeserializeIdentityToken(notification);
if (notification.IsHandled || notification.Ticket != null)
{
notification.Ticket?.SetTokenUsage(OpenIdConnectConstants.TokenUsages.IdToken);
return(notification.Ticket);
}
if (notification.SecurityTokenHandler == null)
{
throw new InvalidOperationException("A security token handler must be provided.");
}
SecurityToken securityToken;
ClaimsPrincipal principal;
try
{
if (!notification.SecurityTokenHandler.CanReadToken(token))
{
Logger.LogTrace("The identity token '{Token}' was rejected by the security token handler.", token);
return(null);
}
principal = notification.SecurityTokenHandler.ValidateToken(token, notification.TokenValidationParameters, out securityToken);
}
catch (Exception exception)
{
Logger.LogDebug("An exception occured while deserializing an identity token: {Exception}.", exception);
return(null);
}
// Parameters stored in AuthenticationProperties are lost
// when the identity token is serialized using a security token handler.
// To mitigate that, they are inferred from the claims or the security token.
var properties = new AuthenticationProperties
{
ExpiresUtc = securityToken.ValidTo,
IssuedUtc = securityToken.ValidFrom
};
var ticket = new AuthenticationTicket(principal, properties, Scheme.Name)
.SetAudiences(principal.FindAll(OpenIdConnectConstants.Claims.Audience).Select(claim => claim.Value))
.SetConfidentialityLevel(principal.GetClaim(OpenIdConnectConstants.Claims.ConfidentialityLevel))
.SetPresenters(principal.FindAll(OpenIdConnectConstants.Claims.AuthorizedParty).Select(claim => claim.Value))
.SetTokenId(principal.GetClaim(OpenIdConnectConstants.Claims.JwtId))
.SetTokenUsage(principal.GetClaim(OpenIdConnectConstants.Claims.TokenUsage));
// Ensure that the received ticket is an identity token.
if (!ticket.IsIdentityToken())
{
Logger.LogTrace("The received token was not an identity token: {Token}.", token);
return(null);
}
Logger.LogTrace("The identity token '{Token}' was successfully validated using " +
"the specified security token handler: {Claims} ; {Properties}.",
token, ticket.Principal.Claims, ticket.Properties.Items);
return(ticket);
}
private async Task <AuthenticationTicket> DeserializeIdentityTokenAsync(string token, OpenIdConnectMessage request)
{
var notification = new DeserializeIdentityTokenContext(Context, Options, request, token)
{
Issuer = Context.GetIssuer(Options),
SecurityTokenHandler = Options.IdentityTokenHandler,
SignatureProvider = Options.SignatureProvider,
SigningCredentials = Options.SigningCredentials.FirstOrDefault()
};
await Options.Provider.DeserializeIdentityToken(notification);
// Directly return the authentication ticket if one
// has been provided by DeserializeIdentityToken.
if (notification.AuthenticationTicket != null)
{
return(notification.AuthenticationTicket);
}
if (notification.SecurityTokenHandler == null)
{
return(null);
}
// Create new validation parameters to validate the security token.
// ValidateAudience and ValidateLifetime are always set to false:
// if necessary, the audience and the expiration can be validated
// in InvokeValidationEndpointAsync or InvokeTokenEndpointAsync.
var parameters = new TokenValidationParameters {
IssuerSigningKey = notification.SigningCredentials.Key,
ValidIssuer = notification.Issuer,
ValidateAudience = false,
ValidateLifetime = false
};
SecurityToken securityToken;
ClaimsPrincipal principal;
try {
principal = notification.SecurityTokenHandler.ValidateToken(token, parameters, out securityToken);
}
catch (Exception exception) {
Logger.LogVerbose("An exception occured when deserializing an identity token: {Message}.", exception.Message);
return(null);
}
// Parameters stored in AuthenticationProperties are lost
// when the identity token is serialized using a security token handler.
// To mitigate that, they are inferred from the claims or the security token.
var properties = new AuthenticationProperties {
ExpiresUtc = securityToken.ValidTo,
IssuedUtc = securityToken.ValidFrom
};
var audiences = principal.FindAll(JwtRegisteredClaimNames.Aud);
if (audiences.Any())
{
properties.SetAudiences(audiences.Select(claim => claim.Value));
}
var usage = principal.FindFirst(OpenIdConnectConstants.Extra.Usage);
if (usage != null)
{
properties.SetUsage(usage.Value);
}
if (principal.Claims.Any(claim => claim.Type == OpenIdConnectConstants.Extra.Confidential))
{
properties.Items[OpenIdConnectConstants.Extra.Confidential] = "true";
}
// Ensure the received ticket is an identity token.
var ticket = new AuthenticationTicket(principal, properties, Options.AuthenticationScheme);
if (!ticket.IsIdentityToken())
{
Logger.LogVerbose("The received token was not an identity token: {Token}.", token);
return(null);
}
return(ticket);
}
private async Task <AuthenticationTicket> DeserializeIdentityTokenAsync(string token, OpenIdConnectMessage request)
{
var notification = new DeserializeIdentityTokenContext(Context, Options, request, token)
{
Issuer = Context.GetIssuer(Options),
SecurityTokenHandler = Options.IdentityTokenHandler,
SigningCredentials = Options.SigningCredentials.FirstOrDefault()
};
await Options.Provider.DeserializeIdentityToken(notification);
// Directly return the authentication ticket if one
// has been provided by DeserializeIdentityToken.
if (notification.Ticket != null)
{
return(notification.Ticket);
}
if (notification.SecurityTokenHandler == null)
{
return(null);
}
// Create new validation parameters to validate the security token.
// ValidateAudience and ValidateLifetime are always set to false:
// if necessary, the audience and the expiration can be validated
// in InvokeIntrospectionEndpointAsync or InvokeTokenEndpointAsync.
var parameters = new TokenValidationParameters {
IssuerSigningKey = notification.SigningCredentials.SigningKey,
ValidIssuer = notification.Issuer,
ValidateAudience = false,
ValidateLifetime = false
};
SecurityToken securityToken;
ClaimsPrincipal principal;
try {
principal = notification.SecurityTokenHandler.ValidateToken(token, parameters, out securityToken);
}
catch (Exception exception) {
Options.Logger.LogInformation("An exception occured when deserializing an identity token: {Message}", exception.Message);
return(null);
}
// Parameters stored in AuthenticationProperties are lost
// when the identity token is serialized using a security token handler.
// To mitigate that, they are inferred from the claims or the security token.
var properties = new AuthenticationProperties {
ExpiresUtc = securityToken.ValidTo,
IssuedUtc = securityToken.ValidFrom
};
var ticket = new AuthenticationTicket((ClaimsIdentity)principal.Identity, properties);
var audiences = principal.FindAll(OpenIdConnectConstants.Claims.Audience);
if (audiences.Any())
{
ticket.SetAudiences(audiences.Select(claim => claim.Value));
}
var presenters = principal.FindAll(OpenIdConnectConstants.Claims.AuthorizedParty);
if (presenters.Any())
{
ticket.SetPresenters(presenters.Select(claim => claim.Value));
}
var identifier = principal.FindFirst(OpenIdConnectConstants.Claims.JwtId);
if (identifier != null)
{
ticket.SetTicketId(identifier.Value);
}
var usage = principal.FindFirst(OpenIdConnectConstants.Claims.Usage);
if (usage != null)
{
ticket.SetUsage(usage.Value);
}
var confidential = principal.FindFirst(OpenIdConnectConstants.Claims.Confidential);
if (confidential != null && string.Equals(confidential.Value, "true", StringComparison.OrdinalIgnoreCase))
{
ticket.Properties.Dictionary[OpenIdConnectConstants.Properties.Confidential] = "true";
}
// Ensure the received ticket is an identity token.
if (!ticket.IsIdentityToken())
{
Options.Logger.LogInformation("The received token was not an identity token: {Token}.", token);
return(null);
}
return(ticket);
}
private async Task InvokeValidationEndpointAsync()
{
OpenIdConnectMessage request;
// See https://tools.ietf.org/html/rfc7662#section-2.1
// and https://tools.ietf.org/html/rfc7662#section-4
if (string.Equals(Request.Method, "GET", StringComparison.OrdinalIgnoreCase))
{
request = new OpenIdConnectMessage(Request.Query.ToDictionary())
{
RequestType = OpenIdConnectRequestType.AuthenticationRequest
};
}
else if (string.Equals(Request.Method, "POST", StringComparison.OrdinalIgnoreCase))
{
// See http://openid.net/specs/openid-connect-core-1_0.html#FormSerialization
if (string.IsNullOrEmpty(Request.ContentType))
{
await SendErrorPayloadAsync(new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed validation request has been received: " +
"the mandatory 'Content-Type' header was missing from the POST request."
});
return;
}
// May have media/type; charset=utf-8, allow partial match.
if (!Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase))
{
await SendErrorPayloadAsync(new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed validation request has been received: " +
"the 'Content-Type' header contained an unexcepted value. " +
"Make sure to use 'application/x-www-form-urlencoded'."
});
return;
}
var form = await Request.ReadFormAsync(Context.RequestAborted);
request = new OpenIdConnectMessage(form.ToDictionary())
{
RequestType = OpenIdConnectRequestType.AuthenticationRequest
};
}
else
{
Logger.LogInformation("A malformed request has been received by the validation endpoint.");
await SendErrorPageAsync(new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed validation request has been received: " +
"make sure to use either GET or POST."
});
return;
}
if (string.IsNullOrWhiteSpace(request.GetToken()))
{
await SendErrorPayloadAsync(new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed validation request has been received: " +
"a 'token' parameter with an access, refresh, or identity token is required."
});
return;
}
// When client_id and client_secret are both null, try to extract them from the Authorization header.
// See http://tools.ietf.org/html/rfc6749#section-2.3.1 and
// http://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication
if (string.IsNullOrEmpty(request.ClientId) && string.IsNullOrEmpty(request.ClientSecret))
{
string header = Request.Headers[HeaderNames.Authorization];
if (!string.IsNullOrEmpty(header) && header.StartsWith("Basic ", StringComparison.OrdinalIgnoreCase))
{
try {
var value = header.Substring("Basic ".Length).Trim();
var data = Encoding.UTF8.GetString(Convert.FromBase64String(value));
var index = data.IndexOf(':');
if (index >= 0)
{
request.ClientId = data.Substring(0, index);
request.ClientSecret = data.Substring(index + 1);
}
}
catch (FormatException) { }
catch (ArgumentException) { }
}
}
var clientNotification = new ValidateClientAuthenticationContext(Context, Options, request);
await Options.Provider.ValidateClientAuthentication(clientNotification);
// Reject the request if client authentication was rejected.
if (clientNotification.IsRejected)
{
Logger.LogError("The validation request was rejected " +
"because client authentication was invalid.");
await SendPayloadAsync(new JObject {
[OpenIdConnectConstants.Claims.Active] = false
});
return;
}
// Ensure that the client_id has been set from the ValidateClientAuthentication event.
else if (clientNotification.IsValidated && string.IsNullOrEmpty(request.ClientId))
{
Logger.LogError("Client authentication was validated but the client_id was not set.");
await SendErrorPayloadAsync(new OpenIdConnectMessage {
Error = OpenIdConnectConstants.Errors.ServerError,
ErrorDescription = "An internal server error occurred."
});
return;
}
AuthenticationTicket ticket = null;
// Note: use the "token_type_hint" parameter to determine
// the type of the token sent by the client application.
// See https://tools.ietf.org/html/rfc7662#section-2.1
switch (request.GetTokenTypeHint())
{
case OpenIdConnectConstants.Usages.AccessToken:
ticket = await DeserializeAccessTokenAsync(request.GetToken(), request);
break;
case OpenIdConnectConstants.Usages.RefreshToken:
ticket = await DeserializeRefreshTokenAsync(request.GetToken(), request);
break;
case OpenIdConnectConstants.Usages.IdToken:
ticket = await DeserializeIdentityTokenAsync(request.GetToken(), request);
break;
}
// Note: if the token can't be found using "token_type_hint",
// the search must be extended to all supported token types.
// See https://tools.ietf.org/html/rfc7662#section-2.1
if (ticket == null)
{
ticket = await DeserializeAccessTokenAsync(request.GetToken(), request) ??
await DeserializeIdentityTokenAsync(request.GetToken(), request) ??
await DeserializeRefreshTokenAsync(request.GetToken(), request);
}
if (ticket == null)
{
Logger.LogInformation("The validation request was rejected because the token was invalid.");
await SendPayloadAsync(new JObject {
[OpenIdConnectConstants.Claims.Active] = false
});
return;
}
// Note: unlike refresh or identity tokens that can only be validated by client applications,
// access tokens can be validated by either resource servers or client applications:
// in both cases, the caller must be authenticated if the ticket is marked as confidential.
if (clientNotification.IsSkipped && ticket.IsConfidential())
{
Logger.LogWarning("The validation request was rejected " +
"because the caller was not authenticated.");
await SendPayloadAsync(new JObject {
[OpenIdConnectConstants.Claims.Active] = false
});
return;
}
// If the ticket is already expired, directly return active=false.
if (ticket.Properties.ExpiresUtc.HasValue &&
ticket.Properties.ExpiresUtc < Options.SystemClock.UtcNow)
{
Logger.LogDebug("expired token");
await SendPayloadAsync(new JObject {
[OpenIdConnectConstants.Claims.Active] = false
});
return;
}
switch (ticket.GetUsage())
{
case OpenIdConnectConstants.Usages.AccessToken: {
// When the caller is authenticated, ensure it is
// listed as a valid audience or authorized presenter.
if (clientNotification.IsValidated && !ticket.HasAudience(clientNotification.ClientId) &&
!ticket.HasPresenter(clientNotification.ClientId))
{
Logger.LogWarning("The validation request was rejected because the access token " +
"was issued to a different client or for another resource server.");
await SendPayloadAsync(new JObject {
[OpenIdConnectConstants.Claims.Active] = false
});
return;
}
break;
}
case OpenIdConnectConstants.Usages.IdToken: {
// When the caller is authenticated, reject the validation
// request if the caller is not listed as a valid audience.
if (clientNotification.IsValidated && !ticket.HasAudience(clientNotification.ClientId))
{
Logger.LogWarning("The validation request was rejected because the " +
"identity token was issued to a different client.");
await SendPayloadAsync(new JObject {
[OpenIdConnectConstants.Claims.Active] = false
});
return;
}
break;
}
case OpenIdConnectConstants.Usages.RefreshToken: {
// When the caller is authenticated, reject the validation request if the caller
// doesn't correspond to the client application the token was issued to.
if (clientNotification.IsValidated && !ticket.HasPresenter(clientNotification.ClientId))
{
Logger.LogWarning("The validation request was rejected because the " +
"refresh token was issued to a different client.");
await SendPayloadAsync(new JObject {
[OpenIdConnectConstants.Claims.Active] = false
});
return;
}
break;
}
}
// Insert the validation request in the ASP.NET context.
Context.SetOpenIdConnectRequest(request);
var notification = new ValidationEndpointContext(Context, Options, request, ticket);
notification.Active = true;
// Note: "token_type" may be null when the received token is not an access token.
// See https://tools.ietf.org/html/rfc7662#section-2.2 and https://tools.ietf.org/html/rfc6749#section-5.1
notification.TokenType = ticket.Principal.GetClaim(OpenIdConnectConstants.Claims.TokenType);
notification.Issuer = Context.GetIssuer(Options);
notification.Subject = ticket.Principal.GetClaim(ClaimTypes.NameIdentifier);
notification.IssuedAt = ticket.Properties.IssuedUtc;
notification.ExpiresAt = ticket.Properties.ExpiresUtc;
// Copy the audiences extracted from the "aud" claim.
foreach (var audience in ticket.GetAudiences())
{
notification.Audiences.Add(audience);
}
// Note: non-metadata claims are only added if the caller is authenticated AND is in the specified audiences.
if (clientNotification.IsValidated && notification.Audiences.Contains(clientNotification.ClientId))
{
// Extract the main identity associated with the principal.
var identity = (ClaimsIdentity)ticket.Principal.Identity;
notification.Username = identity.Name;
notification.Scope = ticket.GetProperty(OpenIdConnectConstants.Properties.Scopes);
// Potentially sensitive claims are only exposed to trusted callers
// if the ticket corresponds to an access or identity token.
if (ticket.IsAccessToken() || ticket.IsIdentityToken())
{
foreach (var claim in ticket.Principal.Claims)
{
// Exclude standard claims, that are already handled via strongly-typed properties.
// Make sure to always update this list when adding new built-in claim properties.
if (string.Equals(claim.Type, identity.NameClaimType, StringComparison.Ordinal) ||
string.Equals(claim.Type, ClaimTypes.NameIdentifier, StringComparison.Ordinal))
{
continue;
}
if (string.Equals(claim.Type, JwtRegisteredClaimNames.Aud, StringComparison.Ordinal) ||
string.Equals(claim.Type, JwtRegisteredClaimNames.Exp, StringComparison.Ordinal) ||
string.Equals(claim.Type, JwtRegisteredClaimNames.Iat, StringComparison.Ordinal) ||
string.Equals(claim.Type, JwtRegisteredClaimNames.Iss, StringComparison.Ordinal) ||
string.Equals(claim.Type, JwtRegisteredClaimNames.Nbf, StringComparison.Ordinal) ||
string.Equals(claim.Type, JwtRegisteredClaimNames.Sub, StringComparison.Ordinal))
{
continue;
}
if (string.Equals(claim.Type, OpenIdConnectConstants.Claims.TokenType, StringComparison.Ordinal) ||
string.Equals(claim.Type, OpenIdConnectConstants.Claims.Scope, StringComparison.Ordinal))
{
continue;
}
string type;
// Try to resolve the short name associated with the claim type:
// if none can be found, the claim type is used as-is.
if (!JwtSecurityTokenHandler.DefaultOutboundClaimTypeMap.TryGetValue(claim.Type, out type))
{
type = claim.Type;
}
// Note: make sure to use the indexer
// syntax to avoid duplicate properties.
notification.Claims[type] = claim.Value;
}
}
}
await Options.Provider.ValidationEndpoint(notification);
// Flow the changes made to the authentication ticket.
ticket = notification.AuthenticationTicket;
if (notification.HandledResponse)
{
return;
}
var payload = new JObject();
payload.Add(OpenIdConnectConstants.Claims.Active, notification.Active);
// Only add the other properties if
// the token is considered as active.
if (notification.Active)
{
if (!string.IsNullOrEmpty(notification.Issuer))
{
payload.Add(JwtRegisteredClaimNames.Iss, notification.Issuer);
}
if (!string.IsNullOrEmpty(notification.Username))
{
payload.Add(OpenIdConnectConstants.Claims.Username, notification.Username);
}
if (!string.IsNullOrEmpty(notification.Subject))
{
payload.Add(JwtRegisteredClaimNames.Sub, notification.Subject);
}
if (!string.IsNullOrEmpty(notification.Scope))
{
payload.Add(OpenIdConnectConstants.Claims.Scope, notification.Scope);
}
if (notification.IssuedAt.HasValue)
{
payload.Add(JwtRegisteredClaimNames.Iat, EpochTime.GetIntDate(notification.IssuedAt.Value.UtcDateTime));
payload.Add(JwtRegisteredClaimNames.Nbf, EpochTime.GetIntDate(notification.IssuedAt.Value.UtcDateTime));
}
if (notification.ExpiresAt.HasValue)
{
payload.Add(JwtRegisteredClaimNames.Exp, EpochTime.GetIntDate(notification.ExpiresAt.Value.UtcDateTime));
}
if (!string.IsNullOrEmpty(notification.TokenType))
{
payload.Add(OpenIdConnectConstants.Claims.TokenType, notification.TokenType);
}
switch (notification.Audiences.Count)
{
case 0: break;
case 1:
payload.Add(JwtRegisteredClaimNames.Aud, notification.Audiences[0]);
break;
default:
payload.Add(JwtRegisteredClaimNames.Aud, JArray.FromObject(notification.Audiences));
break;
}
foreach (var claim in notification.Claims)
{
// Ignore claims whose value is null.
if (claim.Value == null)
{
continue;
}
// Note: make sure to use the indexer
// syntax to avoid duplicate properties.
payload[claim.Key] = claim.Value;
}
}
var context = new ValidationEndpointResponseContext(Context, Options, payload);
await Options.Provider.ValidationEndpointResponse(context);
if (context.HandledResponse)
{
return;
}
using (var buffer = new MemoryStream())
using (var writer = new JsonTextWriter(new StreamWriter(buffer))) {
payload.WriteTo(writer);
writer.Flush();
Response.ContentLength = buffer.Length;
Response.ContentType = "application/json;charset=UTF-8";
Response.Headers[HeaderNames.CacheControl] = "no-cache";
Response.Headers[HeaderNames.Pragma] = "no-cache";
Response.Headers[HeaderNames.Expires] = "-1";
buffer.Seek(offset: 0, loc: SeekOrigin.Begin);
await buffer.CopyToAsync(Response.Body, 4096, Context.RequestAborted);
}
}