public async Task <RateLimitResult?> GetLimits(HttpContext context, RateLimitingOptions options)
{
var discriminator = await Discriminator.Invoke(context);
if (string.IsNullOrEmpty(discriminator))
{
// TODO: Log missing discriminator as warning.
return(default);
public static RateLimitingOptions Limit(this RateLimitingOptions options, string name, Selector <int> limit, TimeSpan period, Selector <string> discriminator)
{
return(options.Limit(name, limit.ToAsync(), period, discriminator.ToAsync()));
}
public static RateLimitingOptions Limit(this RateLimitingOptions options, string name, int limit, AsyncSelector <TimeSpan> period, AsyncSelector <string> discriminator)
{
return(options.Limit(name, _ => limit, period, discriminator));
}
public static RateLimitingOptions Allow(this RateLimitingOptions options, string name, IPAddress address)
{
return(options.Allow(name, ctx => ctx.Connection.RemoteIpAddress.Equals(address)));
}
public static RateLimitingOptions Block(this RateLimitingOptions options, string name, Selector <bool> predicate)
{
return(options.Block(name, predicate.ToAsync()));
}
public static RateLimitingOptions Block(this RateLimitingOptions options, string name, IPNetwork network)
{
return(options.Block(name, ctx => network.Contains(ctx.Connection.RemoteIpAddress)));
}