コード例 #1
0
        private async Task <LoggedOutViewModel> BuildLoggedOutViewModelAsync(string logoutId)
        {
            // get context information (client name, post logout redirect URI and iframe for federated signout)
            var logout = await _interaction.GetLogoutContextAsync(logoutId);

            var vm = new LoggedOutViewModel
            {
                AutomaticRedirectAfterSignOut = AccountOptions.AutomaticRedirectAfterSignOut,
                PostLogoutRedirectUri         = logout?.PostLogoutRedirectUri,
                ClientName       = string.IsNullOrEmpty(logout?.ClientName) ? logout?.ClientId : logout?.ClientName,
                SignOutIframeUrl = logout?.SignOutIFrameUrl,
                LogoutId         = logoutId
            };

            if (User?.Identity.IsAuthenticated == true)
            {
                var idp = User.FindFirst(JwtClaimTypes.IdentityProvider)?.Value;
                if (idp != null && idp != IdentityServer4.IdentityServerConstants.LocalIdentityProvider)
                {
                    var providerSupportsSignout = await HttpContext.GetSchemeSupportsSignOutAsync(idp);

                    if (providerSupportsSignout)
                    {
                        if (vm.LogoutId == null)
                        {
                            // if there's no current logout context, we need to create one
                            // this captures necessary info from the current logged in user
                            // before we signout and redirect away to the external IdP for signout
                            vm.LogoutId = await _interaction.CreateLogoutContextAsync();
                        }

                        vm.ExternalAuthenticationScheme = idp;
                    }
                }
            }

            return(vm);
        }
コード例 #2
0
        public async Task <IActionResult> Logout(LogoutInputModel model)
        {
            // build a model so the logged out page knows what to display
            LoggedOutViewModel vm = await BuildLoggedOutViewModelAsync(model.LogoutId);

            if (User?.Identity.IsAuthenticated == true)
            {
                // delete local authentication cookie
                await HttpContext.SignOutAsync();

                // raise the logout event
                await events.RaiseAsync(new UserLogoutSuccessEvent(User.GetSubjectId(), User.GetDisplayName()));
            }

            // check if we need to trigger sign-out at an upstream identity provider
            if (vm.TriggerExternalSignout)
            {
                // build a return URL so the upstream provider will redirect back
                // to us after the user has logged out. this allows us to then
                // complete our single sign-out processing.
                string url = Url.Action("Logout",
                                        new
                {
                    logoutId = vm.LogoutId
                });

                // this triggers a redirect to the external provider for sign-out
                return(SignOut(new AuthenticationProperties
                {
                    RedirectUri = url
                },
                               vm.ExternalAuthenticationScheme));
            }

            return(View("LoggedOut", vm));
        }
コード例 #3
0
 public Task <Stream> LoggedOut(LoggedOutViewModel model, SignOutMessage message)
 {
     return(Render(model, "loggedOut"));
 }