private async Task ExecuteAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
await Task.Delay(_options.CurrentValue.Interval, cancellationToken);
if (!_options.CurrentValue.Enabled)
{
continue;
}
_logger.LogDebug("Beginning Cloudflare IP Retrieval");
try
{
Task <HttpResponseMessage> respV4Task = _httpClient.GetAsync("ips-v4", cancellationToken);
Task <HttpResponseMessage> respV6Task = _httpClient.GetAsync("ips-v6", cancellationToken);
await Task.WhenAll(respV4Task, respV6Task);
HttpResponseMessage respV4 = respV4Task.Result;
HttpResponseMessage respV6 = respV6Task.Result;
if (respV4.IsSuccessStatusCode && respV6.IsSuccessStatusCode)
{
List <IPNetwork> subnets = new List <IPNetwork>();
using (StreamReader sr = new StreamReader(await respV4.Content.ReadAsStreamAsync()))
subnets.AddRange(sr.ReadNetworks());
using (StreamReader sr = new StreamReader(await respV6.Content.ReadAsStreamAsync()))
subnets.AddRange(sr.ReadNetworks());
// Success
_proxyStore.ReplaceRanges(Constants.ServiceName, subnets);
_logger.LogInformation("Successfully retrieved {RangeCount} new Cloudflare IP Ranges", subnets.Count);
_logger.LogDebug("New Cloudflare Ranges: {Ranges}", subnets.Select(s => $"{s.Prefix}/{s.PrefixLength}"));
}
else
{
_logger.LogWarning("Unable to retrieve Cloudflare IPs. V4: {ResultV4}, V6: {ResultV6}", respV4, respV6);
}
}
catch (Exception e)
{
_logger.LogError(e, "Error updating Cloudflare IPs");
}
_logger.LogDebug("Completed Cloudflare IP Retrieval");
}
}
public void AddRanges(IAutoProxyStore store)
{
store.ReplaceRanges(_service, _ranges);
}