/// <summary>
/// Begins the get response.
/// </summary>
private void BeginGetResponse()
{
var proxyUri = Proxy.GetProxy(RequestUri);
var credentials = (!string.IsNullOrEmpty(proxyUri?.AbsoluteUri) && !RequestUri.Equals((Proxy as WebProxy)?.Address))
? (Proxy as WebProxySocks)?.Credentials as WebProxyCredential
: null;
_socksConnection = new SocketWithProxy(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp, ProxyType.Socks5, credentials);
_socksConnection.Connect(RequestUri.Host, RequestUri.Port); // Open the connection
// Send request message
_networkStream = new NetworkStream(_socksConnection);
// Build request message if needed
var requestMessage = BuildHttpRequestMessage();
var requestMessageData = Encoding.GetBytes(requestMessage);
_networkStream.Write(requestMessageData, 0, requestMessageData.Length);
}
protected override void Dispose(bool disposing)
#endif
{
if (disposing)
{
Close();
try
{
_socksConnection?.Dispose();
_responseStream?.Dispose();
}
finally
{
_socksConnection = null;
_responseStream = null;
}
}
#if !NET40
base.Dispose(disposing);
#endif
}
/// <summary>
/// Initializes a new instance of the <see cref="HttpWebResponseSocks" /> class.
/// </summary>
/// <param name="responseUri">The response URI.</param>
/// <param name="verb">The verb.</param>
/// <param name="statusCode">The status code.</param>
/// <param name="responseHeaders">The response headers.</param>
/// <param name="responseStream">The response stream.</param>
/// <exception cref="InvalidOperationException"></exception>
internal HttpWebResponseSocks(Uri responseUri, KnownHttpVerb verb, HttpStatusCode statusCode, WebHeaderCollection responseHeaders, Stream responseStream)
{
StatusCode = statusCode;
Headers = responseHeaders;
ResponseUri = responseUri;
_socksConnection = null;
_verb = verb;
// Build stream object for WebResponse
string contentEncodingKey;
DecompressionMethods compressionMethod;
if (!Headers.ContainsHeaderKey(HttpResponseHeader.ContentEncoding.ToString(), out contentEncodingKey) ||
!Enum.TryParse(Headers[contentEncodingKey], true, out compressionMethod))
{
_responseStream = responseStream;
return;
}
// If content encoding is
var contentEncoding = Headers[contentEncodingKey].Trim().ToLowerInvariant();
switch (compressionMethod)
{
case DecompressionMethods.GZip:
_responseStream = new GZipStream(responseStream, CompressionMode.Decompress);
Headers[HttpRequestHeader.ContentLength] = "-1";
break;
case DecompressionMethods.Deflate:
_responseStream = new DeflateStream(responseStream, CompressionMode.Decompress);
Headers[HttpRequestHeader.ContentLength] = "-1";
break;
default:
throw new InvalidOperationException($"Unknown encoding type '{contentEncoding}'");
}
}
/// <summary>
/// Begins the get response.
/// </summary>
/// <param name="callback">The callback.</param>
/// <param name="state">The state.</param>
/// <returns></returns>
/// <exception cref="InvalidOperationException">
/// Proxy property cannot be null.
/// or
/// Method has not been set.
/// </exception>
public override IAsyncResult BeginGetResponse(AsyncCallback callback, object state)
{
if (Proxy == null)
{
throw new InvalidOperationException("Proxy property cannot be null.");
}
if (string.IsNullOrEmpty(Method))
{
throw new InvalidOperationException("Method has not been set.");
}
var proxyUri = Proxy.GetProxy(RequestUri);
var credentials = (!string.IsNullOrEmpty(proxyUri?.AbsoluteUri) && !RequestUri.Equals((Proxy as WebProxy)?.Address))
? (Proxy as WebProxySocks)?.Credentials as WebProxyCredential
: null;
_socksConnection = new SocketWithProxy(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp, ProxyType.Socks5, credentials);
Callback = callback;
// Open the connection
return(_socksConnection.BeginConnect(RequestUri.Host, RequestUri.Port, EndConnectCallback, _socksConnection));
}
