private IEnumerable <Task> _makeSerializableWebRequest(HttpRequest request, TaskCompletionSource <SerialilzableWebRequest> result)
{
string path = ExtractPath(request.Url.AbsolutePath);
var remote = new SerialilzableWebRequest
{
Path = path,
Query = request.Url.Query.TrimStart('?'),
Method = request.HttpMethod,
ContentType = request.ContentType,
Headers = request.Headers
};
remote.Content = new byte[request.InputStream.Length];
using (var stream = new MemoryStream(remote.Content, 0, remote.Content.Length, true, true))
{
var task = Streams.CopyStreamAsync(request.InputStream, stream);
yield return(task);
task.Wait();
}
result.SetResult(remote);
}
private IEnumerable <Task> _processResponse(HttpResponse clientResponse, Task <HttpWebResponse> remoteCall, string path)
{
HttpWebResponse remoteResponse;
if (remoteCall.Status == TaskStatus.RanToCompletion)
{
remoteResponse = remoteCall.Result;
}
else
{
var we = (WebException)Validation.EnumerateInner(remoteCall.Exception).Where(e => e is WebException).FirstOrDefault();
if (we != null && we.Response != null)
{
remoteResponse = (HttpWebResponse)we.Response;
}
else
{
clientResponse.StatusCode = 500;
clientResponse.End();
yield break;
}
}
clientResponse.TrySkipIisCustomErrors = true;
clientResponse.StatusCode = (int)remoteResponse.StatusCode;
clientResponse.ContentType = remoteResponse.ContentType;
clientResponse.Headers.AddUnrestricted(remoteResponse.Headers);
if (ShouldRewrite(remoteResponse.ContentType))
{
Encoding responseEncoding;
string responseContent;
using (var ms = new MemoryStream())
{
var st = Streams.CopyStreamAsync(remoteResponse.GetResponseStream(), ms);
yield return(st);
st.Wait();
if (remoteResponse.CharacterSet == "")
{
responseEncoding = Encoding.UTF8;
}
else
{
try
{
// CharacterSet may be wrong case etc. May need to clean up.
responseEncoding = Encoding.GetEncoding(remoteResponse.CharacterSet);
}
catch
{
responseEncoding = Encoding.UTF8;
}
}
responseContent = responseEncoding.GetString(ms.GetBuffer(), 0, (int)ms.Length);
}
responseContent = RewriteResponse(responseContent, path);
var rb = responseEncoding.GetBytes(responseContent);
var task = System.IO.StreamExtensions.WriteAsync(clientResponse.OutputStream, rb, 0, rb.Length);
yield return(task);
task.Wait();
}
else
{
var task = Streams.CopyStreamAsync(remoteResponse.GetResponseStream(), clientResponse.OutputStream);
yield return(task);
task.Wait();
}
}
