public HttpResponseMessage SendRequest(HttpRequestMessage request, bool ignoreSslCertification = false)
{
lock (Lock)
{
try
{
EnsureConnectedToTor(ignoreSslCertification);
var isConnectRequest = Equals(request.Method, new HttpMethod("CONNECT"));
string location;
if (!isConnectRequest)
{
location = request.RequestUri.PathAndQuery;
}
else
{
location = $"{request.RequestUri.DnsSafeHost}:{request.RequestUri.Port}";
}
string requestHead = $"{request.Method.Method} {location} HTTP/{request.Version}\r\n";
if (!isConnectRequest)
{
string host = request.Headers.Contains("Host") ? request.Headers.Host : request.RequestUri.Host;
requestHead += $"Host: {host}\r\n";
}
string content = "";
if (request.Content != null && !isConnectRequest && request.Method != HttpMethod.Head)
{
content = request.Content.ReadAsStringAsync().Result;
// determine whether to use chunked transfer encoding
long?contentLength = null;
if (!request.Headers.TransferEncodingChunked.GetValueOrDefault(false))
{
contentLength = content.Length;
}
// set the appropriate content transfer headers
if (contentLength.HasValue)
{
contentLength = request.Content.Headers.ContentLength ?? contentLength;
requestHead += $"Content-Length: {contentLength}\r\n";
}
else
{
requestHead += "Transfer-Encoding: chunked\r\n";
}
//write all content headers
string result = "";
foreach (var header in request.Content.Headers)
{
if (!string.Equals(header.Key, "Transfer-Encoding", StringComparison.Ordinal))
{
if (!string.Equals(header.Key, "Content-Length", StringComparison.Ordinal))
{
if (!string.Equals(header.Key, "Host", StringComparison.Ordinal))
{
result = ParseHeaderToString(header);
}
}
}
}
requestHead += result;
}
// write the rest of the request headers
foreach (var header in request.Headers)
{
if (!string.Equals(header.Key, "Transfer-Encoding", StringComparison.Ordinal))
{
if (!string.Equals(header.Key, "Content-Length", StringComparison.Ordinal))
{
if (!string.Equals(header.Key, "Host", StringComparison.Ordinal))
{
requestHead += ParseHeaderToString(header);
}
}
}
}
requestHead += "\r\n";
var headAndContent = requestHead + content;
Stream.Write(Encoding.UTF8.GetBytes(headAndContent), 0, headAndContent.Length);
Stream.Flush();
var reader = new ByteStreamReader(Stream, Socket.ReceiveBufferSize, preserveLineEndings: false);
// initialize the response
var response = new HttpResponseMessage {
RequestMessage = request
};
// read the first line of the response
string line = reader.ReadLine();
var pieces = line.Split(new[] { ' ' }, 3);
if (!string.Equals(pieces[0], "HTTP/1.1", StringComparison.Ordinal))
{
throw new HttpRequestException($"Only HTTP/1.1 is supported, actual: {pieces[0]}");
}
response.StatusCode = (HttpStatusCode)int.Parse(pieces[1]);
response.ReasonPhrase = pieces[2];
// read the headers
response.Content = new ByteArrayContent(new byte[0]);
while ((line = reader.ReadLine()) != null && line != string.Empty)
{
pieces = line.Split(new[] { ":" }, 2, StringSplitOptions.None);
if (pieces[1].StartsWith(" ", StringComparison.Ordinal))
{
pieces[1] = pieces[1].Substring(1);
}
if (!response.Headers.TryAddWithoutValidation(pieces[0], pieces[1]) &&
!response.Content.Headers.TryAddWithoutValidation(pieces[0], pieces[1]))
{
throw new InvalidOperationException(
$"The header '{pieces[0]}' could not be added to the response message or to the response content.");
}
}
if (!(request.Method == new HttpMethod("CONNECT") || request.Method == HttpMethod.Head))
{
HttpContent httpContent = null;
if (response.Headers.TransferEncodingChunked.GetValueOrDefault(false))
{
// read the body with chunked transfer encoding
var chunkedStream = new ReadsFromChunksStream(reader.RemainingStream);
httpContent = new StreamContent(chunkedStream);
}
else if (response.Content.Headers.ContentLength.HasValue)
{
// read the body with a content-length
var limitedStream = new LimitedStream(
reader.RemainingStream,
response.Content.Headers.ContentLength.Value);
httpContent = new StreamContent(limitedStream);
}
else
{
return(response);
}
if (content != null)
{
// copy over the content headers
foreach (var header in response.Content.Headers)
{
httpContent.Headers.TryAddWithoutValidation(header.Key, header.Value);
}
response.Content = httpContent;
}
}
return(response);
}
catch (SocketException)
{
DestroySocket();
throw;
}
}
}
