Backchannel Authentication Request Store

    /// <summary>
    /// Interface for the backchannel authentication request store
    /// </summary>
    public interface IBackChannelAuthenticationRequestStore
    {
        /// <summary>
        /// Creates the request.
        /// </summary>
        Task<string> CreateRequestAsync(BackChannelAuthenticationRequest request);

        /// <summary>
        /// Gets the requests.
        /// </summary>
        Task<IEnumerable<BackChannelAuthenticationRequest>> GetLoginsForUserAsync(string subjectId, string clientId = null);

        /// <summary>
        /// Gets the request.
        /// </summary>
        Task<BackChannelAuthenticationRequest> GetByAuthenticationRequestIdAsync(string requestId);
        
        /// <summary>
        /// Gets the request.
        /// </summary>
        Task<BackChannelAuthenticationRequest> GetByInternalIdAsync(string id);

        /// <summary>
        /// Removes the request.
        /// </summary>
        Task RemoveByInternalIdAsync(string id);

        /// <summary>
        /// Updates the request.
        /// </summary>
        Task UpdateByInternalIdAsync(string id, BackChannelAuthenticationRequest request);
    }

    /// <summary>
    /// Models a backchannel authentication request.
    /// </summary>
    public class BackChannelAuthenticationRequest
    {
        /// <summary>
        /// The identifier for this request in the store.
        /// </summary>
        public string InternalId { get; set; }

        /// <summary>
        /// Gets or sets the creation time.
        /// </summary>
        public DateTime CreationTime { get; set; }

        /// <summary>
        /// Gets or sets the life time in seconds.
        /// </summary>
        public int Lifetime { get; set; }

        /// <summary>
        /// Gets or sets the ID of the client.
        /// </summary>
        public string ClientId { get; set; }

        /// <summary>
        /// Gets or sets the subject.
        /// </summary>
        public ClaimsPrincipal Subject { get; set; }

        /// <summary>
        /// Gets or sets the requested scopes.
        /// </summary>
        public IEnumerable<string> RequestedScopes { get; set; }
        
        /// <summary>
        /// Gets or sets the requested resource indicators.
        /// </summary>
        public IEnumerable<string> RequestedResourceIndicators { get; set; }

        /// <summary>
        /// Gets or sets the authentication context reference classes.
        /// </summary>
        public ICollection<string> AuthenticationContextReferenceClasses { get; set; }

        /// <summary>
        /// Gets or sets the tenant.
        /// </summary>
        public string Tenant { get; set; }

        /// <summary>
        /// Gets or sets the idp.
        /// </summary>
        public string IdP { get; set; }

        /// <summary>
        /// Gets or sets the binding message.
        /// </summary>
        public string BindingMessage { get; set; }


        /// <summary>
        /// Gets or sets a value indicating whether this instance has been completed.
        /// </summary>
        public bool IsComplete { get; set; }

        /// <summary>
        /// Gets or sets the authorized scopes.
        /// </summary>
        public IEnumerable<string> AuthorizedScopes { get; set; }

        /// <summary>
        /// Gets or sets the session identifier from which the user approved the request.
        /// </summary>
        public string SessionId { get; set; }

        /// <summary>
        /// Gets the description the user assigned to the client being authorized.
        /// </summary>
        public string Description { get; set; }
    }