CasEvents.cs

using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authentication;

// ReSharper disable once CheckNamespace
namespace GSS.Authentication.CAS.AspNetCore
{
    /// <summary>
    /// Default CAS events implementation.
    /// </summary>
    public class CasEvents : RemoteAuthenticationEvents
    {
        /// <summary>
        /// Gets or sets the function that is invoked when the CreatingTicket method is invoked.
        /// </summary>
        public Func<CasCreatingTicketContext, Task> OnCreatingTicket { get; set; } = _ => Task.CompletedTask;

        /// <summary>
        /// Gets or sets the delegate that is invoked when the RedirectToAuthorizationEndpoint method is invoked.
        /// </summary>
        public Func<RedirectContext<CasAuthenticationOptions>, Task> OnRedirectToAuthorizationEndpoint { get; set; } = context =>
        {
            context.Response.Redirect(context.RedirectUri);
            return Task.CompletedTask;
        };

        /// <summary>
        /// Invoked after the provider successfully authenticates a user.
        /// </summary>
        /// <param name="context"></param>
        /// <returns>A <see cref="Task"/> representing the completed operation.</returns>
        public virtual Task CreatingTicket(CasCreatingTicketContext context) => OnCreatingTicket(context);

        /// <summary>
        /// Called when a Challenge causes a redirect to authorize endpoint in the OAuth handler.
        /// </summary>
        /// <param name="context">Contains redirect URI and <see cref="AuthenticationProperties"/> of the challenge.</param>
        /// <returns></returns>
        public virtual Task RedirectToAuthorizationEndpoint(RedirectContext<CasAuthenticationOptions> context) => OnRedirectToAuthorizationEndpoint(context);
    }
}