public async Task <X509Certificate2> GetCertificateForSubjectAsync(string domain)
{
var fileName = SanityFileName(domain);
if (File.Exists(fileName))
{
return(X509CertificateFactory.LoadCertificateFromFile(fileName));
}
var x509Certificate = await _provider.GetCertificateForSubjectAsync(domain).WithoutCapturingContext();
x509Certificate.Save(fileName);
return(x509Certificate);
}
public async Task <X509Certificate2> GetCertificateForSubjectAsync(string domain)
{
try
{
var cn = "CN=" + domain;
if (_certServerCache.ContainsKey(cn))
{
return(_certServerCache[cn]);
}
await SemaphoreLock.WaitAsync().WithoutCapturingContext();
if (_certServerCache.ContainsKey(cn))
{
HttpProxy.Logger.Info($"Certificate for {domain} got from cache");
return(_certServerCache[cn]);
}
var x509Certificate = await _provider.GetCertificateForSubjectAsync(domain).WithoutCapturingContext();
if (x509Certificate == null)
{
HttpProxy.Logger.Error($"Certificate for {domain} is null");
}
else
{
_certServerCache["CN=" + domain] = x509Certificate;
HttpProxy.Logger.Info($"Certificate for {domain} generated & cached");
}
return(x509Certificate);
}
finally
{
SemaphoreLock.Release();
}
}
public async Task <X509Certificate2> GetCertificateForSubjectAsync(string hostname)
{
return(await Default.GetCertificateForSubjectAsync(hostname).WithoutCapturingContext());
}