protected override async Task <AuthenticateResult> HandleAuthenticateAsync()
{
string usernameParameter = Request.Query["username"];
if (!string.IsNullOrEmpty(usernameParameter))
{
var validateCredentialsContext = new ValidateCredentialsContext(Context, Scheme, Options)
{
Username = usernameParameter
};
await Options.Events.ValidateUsername(validateCredentialsContext);
if (validateCredentialsContext.Result != null)
{
var ticket = new AuthenticationTicket(validateCredentialsContext.Principal, Scheme.Name);
return(AuthenticateResult.Success(ticket));
}
}
return(AuthenticateResult.NoResult());
}
public virtual Task ValidateUsername(ValidateCredentialsContext context) => OnValidateUsername(context);
