static async Task AcceptClient(TcpClient client)
{
var clientId = 0;
//ClientInfo clientInfo = null;
try
{
var clientStream = client.GetStream();
var cancellationTokenSource = new CancellationTokenSource(15 * 1000);
var requestText = await ReceiveRequest(clientStream, client.ReceiveBufferSize, cancellationTokenSource.Token);
var request = Request.Parse(requestText);
//if (!_acceptedHosts.Any(ah => request.Host.Contains(ah)))
//{
// client.Dispose();
// return;
//}
lock (_lock)
{
_clientCount++;
clientId = _clientCount;
}
//_clients.TryAdd()
switch (request.Method)
{
case "CONNECT":
using (var clientInfo = client.AsClientInfo(clientId))
using (var httpsClient = await GetClient(request.Host, request.Port, request.Version))
using (var fakeCert = _certificateService.CreateFakeCertificate(request.Host, rootCertSerialNumber))
{
await HandleConnectRequest(clientInfo, client.ReceiveBufferSize, request.Version, cancellationTokenSource.Token);
var threadId = Thread.CurrentThread.ManagedThreadId;
WriteLine($"Client '{clientInfo.Id}: {clientInfo.Remote}' connected on thread '{threadId}' for: '{request.HostAndPort}'");
//var fakeCertHash = string.Join(string.Empty, System.Security.Cryptography.SHA256.Create().ComputeHash(fakeCert.RawData).Select(b => b.ToString("x2")));
//if (fakeCertHash != "a28a5e7ebbfe5a2cd1040ba579f58d77988b7cbd320db27fe41b94b442ff1a47")
//{
// throw new Exception("invalid cert...");
//}
await AuthenticateAsServer(clientInfo, fakeCert);
await HandleHttpsRequests(clientInfo, client.ReceiveBufferSize, httpsClient);
}
break;
default:
throw new NotSupportedException("http not supported yet");
}
}
catch (IOException ex)
{
WriteLine($"Client '{clientId}' disconnected");
WriteLine(ex.Message);
//clientInfo?.Dispose();
lock (_lock)
{
_clientCount--;
}
}
catch (Exception ex)
{
}
}