Add support for setting the domain of the cookie.

Author: Revsgaard

src/ITfoxtec.Identity.Saml2.MvcCore/Configuration/Saml2ServiceCollectionExtensions.cs

@@ -14,7 +14,7 @@ public static class Saml2ServiceCollectionExtensions
         /// <param name="slidingExpiration">If set to true the handler re-issue a new cookie with a new expiration time any time it processes a request which is more than halfway through the expiration window.</param>
         /// <param name="accessDeniedPath">If configured, access denied redirection target used by the handler.</param>
         /// <param name="sessionStore">Allow configuration of a custom ITicketStore.</param>
-        public static IServiceCollection AddSaml2(this IServiceCollection services, string loginPath = "/Auth/Login", bool slidingExpiration = false, string accessDeniedPath = null, ITicketStore sessionStore = null, SameSiteMode cookieSameSite = SameSiteMode.Lax)
+        public static IServiceCollection AddSaml2(this IServiceCollection services, string loginPath = "/Auth/Login", bool slidingExpiration = false, string accessDeniedPath = null, ITicketStore sessionStore = null, SameSiteMode cookieSameSite = SameSiteMode.Lax, string cookieDomain = null)
         {
             services.AddAuthentication(Saml2Constants.AuthenticationScheme)
                 .AddCookie(Saml2Constants.AuthenticationScheme, o =>
@@ -30,6 +30,10 @@ public static IServiceCollection AddSaml2(this IServiceCollection services, stri
                         o.SessionStore = sessionStore;
                     }
                     o.Cookie.SameSite = cookieSameSite;
+                    if (!string.IsNullOrEmpty(cookieDomain))
+                    {
+                        o.Cookie.Domain = cookieDomain;
+                    }
                 });
 
             return services;