public static bool IsSupportingScheme(Uri factoryEndpointUri, out Exception exception)
{
bool flag;
exception = null;
try
{
using (WebStream webStream = new WebStream(factoryEndpointUri, "connection", new EventTraceActivity()))
{
flag = webStream.Connect();
}
}
catch (WebException webException1)
{
WebException webException = webException1;
string str = WebStream.CloseResponseInWebException(webException);
exception = new CommunicationException(string.Concat(webException.Message, str), webException);
flag = false;
}
catch (Exception exception2)
{
Exception exception1 = exception2;
if (Fx.IsFatal(exception1))
{
throw;
}
exception = exception1;
flag = false;
}
return(flag);
}
public WebStream Open()
{
int num;
Exception communicationException = null;
int num1 = 5;
do
{
int num2 = num1 - 1;
try
{
MessagingClientEtwProvider.Provider.WebStreamConnecting(base.Activity, this.factoryEndpointUri.AbsoluteUri, this.sbUri.AbsoluteUri, num2);
if (this.Connect())
{
MessagingClientEtwProvider.Provider.WebStreamConnectCompleted(base.Activity, this.factoryEndpointUri.AbsoluteUri, this.sbUri.AbsoluteUri, num2);
return(this);
}
}
catch (WebException webException1)
{
WebException webException = webException1;
if (Fx.IsFatal(webException))
{
throw;
}
string str = WebStream.CloseResponseInWebException(webException);
communicationException = new CommunicationException(string.Concat(webException.Message, str), webException);
}
catch (Exception exception1)
{
Exception exception = exception1;
if (Fx.IsFatal(exception))
{
throw;
}
communicationException = exception;
}
string str1 = (communicationException != null ? communicationException.ToString() : "Failed to connect. No exception thrown.");
MessagingClientEtwProvider.Provider.WebStreamConnectFailed(base.Activity, this.factoryEndpointUri.AbsoluteUri, this.sbUri.AbsoluteUri, num2, str1);
this.Reset();
this.disposed = false;
num = num1 - 1;
num1 = num;
}while (num > 0);
this.disposed = true;
throw Fx.Exception.AsError(new CommunicationException(SRClient.HTTPConnectivityMode, communicationException), null);
}
private PumpStream CreateUpStreamRequest(Uri endpointLocation)
{
PumpStream pumpStream;
try
{
this.PreauthorizeUpStreamRequestIfNeeded(endpointLocation, this.proxyAuthMode);
this.upstreamRequest = (HttpWebRequest)WebRequest.Create(endpointLocation);
this.upstreamRequest.Method = "POST";
this.upstreamRequest.ConnectionGroupName = this.connectionGroupId;
this.upstreamRequest.SendChunked = true;
this.upstreamRequest.Timeout = this.timeoutForUpDownRequestInMiliSecond;
this.upstreamRequest.ServicePoint.ConnectionLimit = 2048;
if (endpointLocation.Scheme == Uri.UriSchemeHttps && this.upstreamRequest.ServicePoint.ProtocolVersion != HttpVersion.Version11)
{
try
{
typeof(ServicePoint).GetProperty("HttpBehaviour", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(this.upstreamRequest.ServicePoint, (byte)0, null);
}
catch (Exception exception1)
{
Exception exception = exception1;
if (!Fx.IsFatal(exception))
{
this.upstreamRequest = null;
throw Fx.Exception.AsError(new CommunicationException(SRClient.UpstreamConnection, exception), null);
}
throw;
}
}
this.upstreamRequest.ServicePoint.UseNagleAlgorithm = false;
this.upstreamRequest.ServicePoint.Expect100Continue = false;
this.upstreamRequest.ContentType = "application/octet-stream";
this.upstreamRequest.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
this.upstreamRequest.AllowWriteStreamBuffering = false;
this.upstreamRequest.Headers.Add("X-WSCONNECT", this.webStreamRole);
this.upstreamRequest.Headers.Add("X-PROCESS-AT", "http://schemas.microsoft.com/netservices/2009/05/servicebus/connect/roles/relay");
if (this.upstreamRequest.Proxy != null)
{
this.ConfigureProxy(this.upstreamRequest, this.proxyAuthMode);
}
this.ConfigurePreauthorizationRequest(this.upstreamRequest, this.proxyAuthMode);
this.upstreamRequest.ServicePoint.UseNagleAlgorithm = false;
this.upstreamRequest.ServicePoint.Expect100Continue = false;
this.upstreamRequest.ServicePoint.ConnectionLimit = 2048;
this.sessionServicePoint = this.upstreamRequest.ServicePoint;
Stream requestStream = this.upstreamRequest.GetRequestStream();
ThrottledPipeStream throttledPipeStream = new ThrottledPipeStream(25, WebStream.NaglingDelay);
ThrottledPipeStream throttledPipeStream1 = throttledPipeStream;
Stream stream = requestStream;
FramingOutputPump framingOutputPump = new FramingOutputPump(new BufferRead(throttledPipeStream1.Read), new BufferWrite(stream.Write), 5000, base.Activity, this.factoryEndpointUri);
PumpStream writePumpStream = new WritePumpStream(throttledPipeStream, requestStream, framingOutputPump)
{
PumpCompletedEvent = new Action(this.OnWriteStreamCompleted)
};
writePumpStream.BeginRunPump();
pumpStream = writePumpStream;
}
catch (Exception exception3)
{
Exception exception2 = exception3;
if (!Fx.IsFatal(exception2))
{
string str = WebStream.CloseResponseInWebException(exception2);
throw Fx.Exception.AsError(new CommunicationException(string.Concat(SRClient.UpstreamConnection, str), exception2), null);
}
throw;
}
return(pumpStream);
}
private void CreateSession(out Uri endpointLocation1, out Uri endpointLocation2)
{
WebStream.ProxyAuthMode[] proxyAuthModeArray = new WebStream.ProxyAuthMode[] { WebStream.ProxyAuthMode.None, WebStream.ProxyAuthMode.Kerberos, WebStream.ProxyAuthMode.Ntlm, WebStream.ProxyAuthMode.Other };
this.proxyAuthMode = WebStream.ProxyAuthMode.None;
string empty = string.Empty;
WebStream.ProxyAuthMode[] proxyAuthModeArray1 = proxyAuthModeArray;
int num = 0;
Label1:
while (num < (int)proxyAuthModeArray1.Length)
{
WebStream.ProxyAuthMode proxyAuthMode = proxyAuthModeArray1[num];
switch (proxyAuthMode)
{
case WebStream.ProxyAuthMode.Kerberos:
{
if (empty.Contains("KERBEROS"))
{
break;
}
goto Label0;
}
case WebStream.ProxyAuthMode.Ntlm:
{
if (!empty.Contains("NTLM"))
{
goto Label0;
}
else
{
break;
}
}
}
try
{
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(this.factoryEndpointUri);
httpWebRequest.KeepAlive = false;
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = "text/plain";
httpWebRequest.Headers.Add("X-WSCREATE", this.webStreamRole);
httpWebRequest.Headers.Add("X-PROCESS-AT", "http://schemas.microsoft.com/netservices/2009/05/servicebus/connect/roles/relay");
if (httpWebRequest.Proxy != null)
{
this.ConfigureProxy(httpWebRequest, proxyAuthMode);
}
httpWebRequest.ServicePoint.ConnectionLimit = 2048;
using (Stream requestStream = httpWebRequest.GetRequestStream())
{
using (StreamWriter streamWriter = new StreamWriter(requestStream, Encoding.UTF8))
{
streamWriter.Write(string.Empty);
streamWriter.Flush();
}
}
HttpWebResponse response = (HttpWebResponse)httpWebRequest.GetResponse();
if (response.StatusCode != HttpStatusCode.Created || response.Headers["X-WSENDPT1"] == null || response.Headers["X-WSENDPT2"] == null)
{
throw Fx.Exception.AsWarning(new CommunicationException(SRClient.FaultyEndpointResponse), null);
}
if (!Uri.TryCreate(response.Headers["X-WSENDPT1"], UriKind.Absolute, out endpointLocation1))
{
throw Fx.Exception.AsWarning(new CommunicationException(SRClient.URIEndpoint), null);
}
if (!Uri.TryCreate(response.Headers["X-WSENDPT2"], UriKind.Absolute, out endpointLocation2))
{
throw Fx.Exception.AsWarning(new CommunicationException(SRClient.URIEndpoint), null);
}
response.Close();
this.proxyAuthMode = proxyAuthMode;
}
catch (WebException webException1)
{
WebException webException = webException1;
HttpWebResponse httpWebResponse = webException.Response as HttpWebResponse;
if (httpWebResponse == null || httpWebResponse.StatusCode != HttpStatusCode.ProxyAuthenticationRequired)
{
string str = WebStream.CloseResponseInWebException(webException);
throw Fx.Exception.AsWarning(new CommunicationException(string.Concat(SRClient.FactoryEndpoint, str), webException), null);
}
empty = httpWebResponse.Headers["Proxy-Authenticate"].ToUpperInvariant();
goto Label0;
}
catch (Exception exception1)
{
Exception exception = exception1;
if (!Fx.IsFatal(exception))
{
throw Fx.Exception.AsError(new CommunicationException(SRClient.FactoryEndpoint, exception), null);
}
throw;
}
return;
}
ExceptionTrace exceptionTrace = Fx.Exception;
CultureInfo invariantCulture = CultureInfo.InvariantCulture;
object[] objArray = new object[] { empty };
throw exceptionTrace.AsError(new CommunicationException(string.Format(invariantCulture, "Failed to authenticate with proxy supporting modes '{0}'.", objArray)), null);
Label0:
num++;
goto Label1;
}
