private void OnConfigurationChange(AutoProxyOptions options, string str)
{
IEnumerable <IPNetwork> ranges = options.KnownRanges.Select(s =>
{
IPNetworkUtility.TryParse(s, out IPNetwork network);
return(network);
}).Where(s => s != null);
ReplaceRanges(DefaultService, ranges);
}
public void ReplaceKnownProxies(IEnumerable <IPNetwork> ranges)
{
AutoProxyOptions options = _options.CurrentValue;
ForwardedHeadersOptions forwardedHeadersOptions = new ForwardedHeadersOptions
{
ForwardedForHeaderName = HeaderXForwardedFor,
ForwardedProtoHeaderName = HeaderXForwardedProto,
ForwardedHostHeaderName = HeaderXForwardedHost,
ForwardedHeaders = ForwardedHeaders.None
};
if (options.UseForwardedFor)
{
forwardedHeadersOptions.ForwardedHeaders |= ForwardedHeaders.XForwardedFor;
}
if (options.UseForwardedHost)
{
forwardedHeadersOptions.ForwardedHeaders |= ForwardedHeaders.XForwardedHost;
}
if (options.UseForwardedProto)
{
forwardedHeadersOptions.ForwardedHeaders |= ForwardedHeaders.XForwardedProto;
}
forwardedHeadersOptions.KnownNetworks.Clear();
forwardedHeadersOptions.KnownProxies.Clear();
foreach (IPNetwork network in ranges)
{
forwardedHeadersOptions.KnownNetworks.Add(network);
// Convert IPv4 addresses to IPv6 if needed
if (!options.AutoConvertIPv4ToIPv6 || network.Prefix.AddressFamily != AddressFamily.InterNetwork)
{
continue;
}
IPNetwork newNetwork = new IPNetwork(network.Prefix.MapToIPv6(), network.PrefixLength + 96);
forwardedHeadersOptions.KnownNetworks.Add(newNetwork);
}
_logger.LogInformation("Changing auto proxy networks to {Networks}", forwardedHeadersOptions.KnownNetworks.Select(s => $"{s.Prefix}/{s.PrefixLength}"));
_forwardedHeadersMiddleware = new ForwardedHeadersMiddleware(_next, _loggerFactory, Options.Create(forwardedHeadersOptions));
}