/// <summary>
/// 自定义授权时的验证
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override Task GrantCustomExtension(OAuthGrantCustomExtensionContext context)
{
return(base.GrantCustomExtension(context));
}
/// <summary>
/// Called when a request to the Token endpoint arrives with a "grant_type" of any other value. If the application supports custom grant types
/// it is entirely responsible for determining if the request should result in an access_token. If context.Validated is called with ticket
/// information the response body is produced in the same way as the other standard grant types. If additional response parameters must be
/// included they may be added in the final TokenEndpoint call.
/// See also http://tools.ietf.org/html/rfc6749#section-4.5
/// </summary>
/// <param name="context">The context of the event carries information in and results out.</param>
/// <returns>Task to enable asynchronous execution</returns>
public virtual Task GrantCustomExtension(OAuthGrantCustomExtensionContext context)
{
return(OnGrantCustomExtension.Invoke(context));
}