public static IApplicationBuilder UseKazooCors(this IApplicationBuilder app, Action <CorsOptions> action)
{
var opts = new CorsOptions();
action.Invoke(opts);
return(app.UseMiddleware <CorsMiddleware>(opts));
}
public CorsMiddleware(CorsOptions opts, RequestDelegate next)
{
_whitelistHosts = opts.WhitelistRemoteHosts
.Where(h => !string.IsNullOrWhiteSpace(h))
.Select(h => h.ToLowerInvariant().Trim());
_opts = opts;
_next = next;
}