private async Task <HandleRequestResult> ValidateAuthenticationResponse(ResponseType response, AuthnRequestType request, AuthenticationProperties properties, string idPName)
{
if (response == null)
{
if (Options.SkipUnrecognizedRequests)
{
return(HandleRequestResult.SkipHandler());
}
return(HandleRequestResult.Fail("No message."));
}
if (properties == null && !Options.AllowUnsolicitedLogins)
{
return(HandleRequestResult.Fail("Unsolicited logins are not allowed."));
}
var idp = Options.IdentityProviders.FirstOrDefault(x => x.Name == idPName);
var metadataIdp = await DownloadMetadataIDP(idp.OrganizationUrlMetadata);
response.ValidateAuthnResponse(request, metadataIdp);
return(null);
}