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.SigningKey), 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)) { Options.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) { Options.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((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 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()) { Options.Logger.LogDebug("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); }
/// <summary> /// Called when receiving an identity token. An application may use this context /// to deserialize the token using a custom format and to skip the default logic using /// <see cref="BaseNotification{OpenIdConnectServerOptions}.HandleResponse"/>. /// </summary> /// <param name="context">The context of the event carries information in and results out.</param> /// <returns>Task to enable asynchronous execution</returns> public virtual Task DeserializeIdentityToken(DeserializeIdentityTokenContext context) => OnDeserializeIdentityToken(context);
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.SigningKey) .Where(key => key is AsymmetricSecurityKey), 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.SetTokenUsage(OpenIdConnectConstants.TokenUsages.IdToken); return(notification.Ticket); } else if (notification.Skipped) { return(null); } 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((ClaimsIdentity)principal.Identity, properties) .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.Identity.Claims, ticket.Properties.Dictionary); return(ticket); }