public async Task <IActionResult> Logout(LogoutModel model)
{
var logout = await InteractionService.GetLogoutContextAsync(model.LogoutId);
var automaticRedirect = AuthorizationOptions.AutomaticRedirectionAfterSignOut && logout?.SignOutIFrameUrl != null;
var signoutCallbacks = TestStore
.GetClients()
.Where(client => client.LogoutUri != null)
.Select(client => client.LogoutUri)
.Where(logoutUrl =>
{
if (logout?.PostLogoutRedirectUri == null)
{
return(true);
}
else if (logoutUrl == null)
{
return(false);
}
else
{
var logoutUri = new Uri(logoutUrl);
var logoutDomain = logoutUri.IsDefaultPort ? $"{logoutUri.Scheme}://{logoutUri.Host}" : $"{logoutUri.Scheme}://{logoutUri.Host}:{logoutUri.Port}";
var postLogoutRedirectUri = new Uri(logout.PostLogoutRedirectUri);
var postLogoutDomain = postLogoutRedirectUri.IsDefaultPort ? $"{postLogoutRedirectUri.Scheme}://{postLogoutRedirectUri.Scheme}" : $"{postLogoutRedirectUri.Scheme}://{postLogoutRedirectUri.Scheme}:{postLogoutRedirectUri.Port}";
return(!logoutDomain.Equals(postLogoutDomain, StringComparison.OrdinalIgnoreCase));
}
});
var viewModel = new LoggedOutModel
{
AutomaticRedirectAfterSignOut = automaticRedirect,
PostLogoutRedirectUri = logout?.PostLogoutRedirectUri,
ClientName = logout?.ClientId,
SignoutCallbacks = signoutCallbacks,
//SignOutIframeUrl = logout?.SignOutIFrameUrl
};
var externalProvider = await GetExternalProviderAsync();
if (externalProvider != null)
{
var logoutId = model.LogoutId ?? await InteractionService.CreateLogoutContextAsync();
var url = Url.Action(nameof(Logout), new { logotId = model.LogoutId });
try
{
var logoutProperties = new AuthenticationProperties {
RedirectUri = url
};
await HttpContext.Authentication.SignOutAsync(externalProvider, logoutProperties);
}
catch (NotSupportedException)
{
// hacks for external providers which dont have signout.
}
catch (InvalidOperationException)
{
//hack for windows negotiate.
}
}
// dlete the local authentication cooie
await HttpContext.Authentication.SignOutAsync();
return(View("LoggedOut", viewModel));
}
