protected override void OnReceivedContext(ReceivedContextEventArgs e)
{
var req = WebRequest.Create(ForwardUrl + e.Context.Request.Url.OriginalString) as HttpWebRequest;
req.Method = e.Context.Request.Method;
SetMessageHeader(e.Context.Request.Headers, req);
SetMessageHeader(OverrideHeader, req);
try
{
var res = req.GetResponse();
var resStrm = res.GetResponseStream();
var outStrm = e.Context.Response.GetOutputStream();
outStrm.Write(resStrm);
}
catch (WebException ex)
{
var res = (HttpWebResponse)ex.Response;
if (res != null)
{
e.Context.Response.ProtocolVersion = new Version("1.1");
e.Context.Response.StatusCode = res.StatusCode;
foreach (var str in res.Headers.AllKeys)
{
e.Context.Response.Headers[str] = ex.Response.Headers[str];
}
using (var outStrm = e.Context.Response.GetOutputStream())
{
using (var inStrm = res.GetResponseStream())
{
byte[] buffer2 = new byte[1024];
int num2 = 0;
while ((num2 = inStrm.Read(buffer2, 0, buffer2.Length)) > 0)
{
outStrm.Write(buffer2, 0, num2);
}
}
return;
}
}
e.Context.Response.StatusCode = HttpStatusCode.BadGateway;
}
}
protected virtual void OnReceivedContext(ReceivedContextEventArgs e)
{
if (ReceivedContext != null)
ReceivedContext(this, e);
}
protected void OnPassingContext(ReceivedContextEventArgs e)
{
if (PassingContext != null)
PassingContext(this, e);
}
public override void OnCalledService(HttpContext context)
{
HttpWebResponse response = null;
try
{
if (context.Request.Method == "CONNECT")
throw new IOException();
var args = new ReceivedContextEventArgs(context);
OnReceivedContext(args);
}
finally
{
if (response != null)
{
response.Close();
}
}
}