bool CreateStream (HttpWebRequest request)
{
try {
NetworkStream serverStream = new NetworkStream (socket, false);
if (request.Address.Scheme == Uri.UriSchemeHttps) {
ssl = true;
EnsureSSLStreamAvailable ();
if (!reused || nstream == null || nstream.GetType () != sslStream) {
byte [] buffer = null;
if (sPoint.UseConnect) {
bool ok = CreateTunnel (request, sPoint.Address, serverStream, out buffer);
if (!ok)
return false;
}
#if SECURITY_DEP
#if MONOTOUCH || MONODROID
nstream = new HttpsClientStream (serverStream, request.ClientCertificates, request, buffer);
#else
object[] args = new object [4] { serverStream,
request.ClientCertificates,
request, buffer};
nstream = (Stream) Activator.CreateInstance (sslStream, args);
#endif
SslClientStream scs = (SslClientStream) nstream;
var helper = new ServicePointManager.ChainValidationHelper (request, request.Address.Host);
scs.ServerCertValidation2 += new CertificateValidationCallback2 (helper.ValidateChain);
#endif
certsAvailable = false;
}
// we also need to set ServicePoint.Certificate
// and ServicePoint.ClientCertificate but this can
// only be done later (after handshake - which is
// done only after a read operation).
} else {
ssl = false;
nstream = serverStream;
}
} catch (Exception) {
if (!request.Aborted)
status = WebExceptionStatus.ConnectFailure;
return false;
}
return true;
}
public TlsStream(NetworkStream stream, Socket socket, string host, X509CertificateCollection clientCertificates) : base(socket)
{
_sslStream = new SslStream(stream, false, ServicePointManager.ServerCertificateValidationCallback);
_host = host;
_clientCertificates = clientCertificates;
}
