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); }
private async Task <LoggedOutViewModel> BuildLoggedOutViewModelAsync(string logoutId) { // 获取上下文信息(联合注销的客户端名称,发布注销重定向URI和iframe) 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) { // 如果没有当前的注销上下文, // 我们需要在注销之前创建一个从当前登录用户捕获必要信息并重定向到外部IdP以进行注销 vm.LogoutId = await _interaction.CreateLogoutContextAsync(); } vm.ExternalAuthenticationScheme = idp; } } } return(vm); }