From d014a1dc1d6e2c9f2cd34dff768a94521f2a0cb9 Mon Sep 17 00:00:00 2001 From: Bond-009 Date: Thu, 7 Mar 2019 22:16:27 +0100 Subject: [PATCH] Remove file added in #996 --- SocketHttpListener/Net/HttpConnection.cs | 532 ----------------------- 1 file changed, 532 deletions(-) delete mode 100644 SocketHttpListener/Net/HttpConnection.cs diff --git a/SocketHttpListener/Net/HttpConnection.cs b/SocketHttpListener/Net/HttpConnection.cs deleted file mode 100644 index 5beea5f221..0000000000 --- a/SocketHttpListener/Net/HttpConnection.cs +++ /dev/null @@ -1,532 +0,0 @@ -using System; -using System.IO; -using System.Net; -using System.Net.Security; -using System.Net.Sockets; -using System.Security.Authentication; -using System.Security.Cryptography.X509Certificates; -using System.Text; -using System.Threading; -using System.Threading.Tasks; -using MediaBrowser.Model.Cryptography; -using MediaBrowser.Model.IO; -using MediaBrowser.Model.System; -using Microsoft.Extensions.Logging; -namespace SocketHttpListener.Net -{ - sealed class HttpConnection - { - private static AsyncCallback s_onreadCallback = new AsyncCallback(OnRead); - const int BufferSize = 8192; - Socket _socket; - Stream _stream; - HttpEndPointListener _epl; - MemoryStream _memoryStream; - byte[] _buffer; - HttpListenerContext _context; - StringBuilder _currentLine; - ListenerPrefix _prefix; - HttpRequestStream _requestStream; - HttpResponseStream _responseStream; - bool _chunked; - int _reuses; - bool _contextBound; - bool secure; - IPEndPoint local_ep; - HttpListener _lastListener; - X509Certificate cert; - SslStream ssl_stream; - - private readonly ILogger _logger; - private readonly ICryptoProvider _cryptoProvider; - private readonly IStreamHelper _streamHelper; - private readonly IFileSystem _fileSystem; - private readonly IEnvironmentInfo _environment; - - public HttpConnection(ILogger logger, Socket socket, HttpEndPointListener epl, bool secure, - X509Certificate cert, ICryptoProvider cryptoProvider, IStreamHelper streamHelper, IFileSystem fileSystem, - IEnvironmentInfo environment) - { - _logger = logger; - this._socket = socket; - this._epl = epl; - this.secure = secure; - this.cert = cert; - _cryptoProvider = cryptoProvider; - _streamHelper = streamHelper; - _fileSystem = fileSystem; - _environment = environment; - - if (secure == false) - { - _stream = new SocketStream(_socket, false); - } - else - { - ssl_stream = new SslStream(new SocketStream(_socket, false), false, (t, c, ch, e) => - { - if (c == null) - { - return true; - } - - //var c2 = c as X509Certificate2; - //if (c2 == null) - //{ - // c2 = new X509Certificate2(c.GetRawCertData()); - //} - - //_clientCert = c2; - //_clientCertErrors = new int[] { (int)e }; - return true; - }); - - _stream = ssl_stream; - } - } - - public Stream Stream => _stream; - - public async Task Init() - { - if (ssl_stream != null) - { - var enableAsync = true; - if (enableAsync) - { - await ssl_stream.AuthenticateAsServerAsync(cert, false, (SslProtocols)ServicePointManager.SecurityProtocol, false).ConfigureAwait(false); - } - else - { - ssl_stream.AuthenticateAsServer(cert, false, (SslProtocols)ServicePointManager.SecurityProtocol, false); - } - } - - InitInternal(); - } - - private void InitInternal() - { - _contextBound = false; - _requestStream = null; - _responseStream = null; - _prefix = null; - _chunked = false; - _memoryStream = new MemoryStream(); - _position = 0; - _inputState = InputState.RequestLine; - _lineState = LineState.None; - _context = new HttpListenerContext(this); - } - - public bool IsClosed => (_socket == null); - - public int Reuses => _reuses; - - public IPEndPoint LocalEndPoint - { - get - { - if (local_ep != null) - return local_ep; - - local_ep = (IPEndPoint)_socket.LocalEndPoint; - return local_ep; - } - } - - public IPEndPoint RemoteEndPoint => _socket.RemoteEndPoint as IPEndPoint; - - public bool IsSecure => secure; - - public ListenerPrefix Prefix - { - get => _prefix; - set => _prefix = value; - } - - private void OnTimeout(object unused) - { - //_logger.LogInformation("HttpConnection timer fired"); - CloseSocket(); - Unbind(); - } - - public void BeginReadRequest() - { - if (_buffer == null) - { - _buffer = new byte[BufferSize]; - } - - try - { - _stream.BeginRead(_buffer, 0, BufferSize, s_onreadCallback, this); - } - catch - { - CloseSocket(); - Unbind(); - } - } - - public HttpRequestStream GetRequestStream(bool chunked, long contentlength) - { - if (_requestStream == null) - { - byte[] buffer = _memoryStream.GetBuffer(); - int length = (int)_memoryStream.Length; - _memoryStream = null; - if (chunked) - { - _chunked = true; - //_context.Response.SendChunked = true; - _requestStream = new ChunkedInputStream(_context, _stream, buffer, _position, length - _position); - } - else - { - _requestStream = new HttpRequestStream(_stream, buffer, _position, length - _position, contentlength); - } - } - return _requestStream; - } - - public HttpResponseStream GetResponseStream(bool isExpect100Continue = false) - { - // TODO: can we get this _stream before reading the input? - if (_responseStream == null) - { - var supportsDirectSocketAccess = !_context.Response.SendChunked && !isExpect100Continue && !secure; - - _responseStream = new HttpResponseStream(_stream, _context.Response, false, _streamHelper, _socket, supportsDirectSocketAccess, _environment, _fileSystem, _logger); - } - return _responseStream; - } - - private static void OnRead(IAsyncResult ares) - { - var cnc = (HttpConnection)ares.AsyncState; - cnc.OnReadInternal(ares); - } - - private void OnReadInternal(IAsyncResult ares) - { - int nread = -1; - try - { - nread = _stream.EndRead(ares); - _memoryStream.Write(_buffer, 0, nread); - if (_memoryStream.Length > 32768) - { - SendError("Bad Request", 400); - Close(true); - return; - } - } - catch - { - if (_memoryStream != null && _memoryStream.Length > 0) - { - SendError(); - } - - if (_socket != null) - { - CloseSocket(); - Unbind(); - } - return; - } - - if (nread == 0) - { - CloseSocket(); - Unbind(); - return; - } - - if (ProcessInput(_memoryStream)) - { - if (!_context.HaveError) - _context.Request.FinishInitialization(); - - if (_context.HaveError) - { - SendError(); - Close(true); - return; - } - - if (!_epl.BindContext(_context)) - { - const int NotFoundErrorCode = 404; - SendError(HttpStatusDescription.Get(NotFoundErrorCode), NotFoundErrorCode); - Close(true); - return; - } - HttpListener listener = _epl.Listener; - if (_lastListener != listener) - { - RemoveConnection(); - listener.AddConnection(this); - _lastListener = listener; - } - - _contextBound = true; - listener.RegisterContext(_context); - return; - } - _stream.BeginRead(_buffer, 0, BufferSize, s_onreadCallback, this); - } - - private void RemoveConnection() - { - if (_lastListener == null) - _epl.RemoveConnection(this); - else - _lastListener.RemoveConnection(this); - } - - private enum InputState - { - RequestLine, - Headers - } - - private enum LineState - { - None, - CR, - LF - } - - InputState _inputState = InputState.RequestLine; - LineState _lineState = LineState.None; - int _position; - - // true -> done processing - // false -> need more input - private bool ProcessInput(MemoryStream ms) - { - byte[] buffer = ms.GetBuffer(); - int len = (int)ms.Length; - int used = 0; - string line; - - while (true) - { - if (_context.HaveError) - return true; - - if (_position >= len) - break; - - try - { - line = ReadLine(buffer, _position, len - _position, ref used); - _position += used; - } - catch - { - _context.ErrorMessage = "Bad request"; - _context.ErrorStatus = 400; - return true; - } - - if (line == null) - break; - - if (line == "") - { - if (_inputState == InputState.RequestLine) - continue; - _currentLine = null; - ms = null; - return true; - } - - if (_inputState == InputState.RequestLine) - { - _context.Request.SetRequestLine(line); - _inputState = InputState.Headers; - } - else - { - try - { - _context.Request.AddHeader(line); - } - catch (Exception e) - { - _context.ErrorMessage = e.Message; - _context.ErrorStatus = 400; - return true; - } - } - } - - if (used == len) - { - ms.SetLength(0); - _position = 0; - } - return false; - } - - private string ReadLine(byte[] buffer, int offset, int len, ref int used) - { - if (_currentLine == null) - _currentLine = new StringBuilder(128); - int last = offset + len; - used = 0; - for (int i = offset; i < last && _lineState != LineState.LF; i++) - { - used++; - byte b = buffer[i]; - if (b == 13) - { - _lineState = LineState.CR; - } - else if (b == 10) - { - _lineState = LineState.LF; - } - else - { - _currentLine.Append((char)b); - } - } - - string result = null; - if (_lineState == LineState.LF) - { - _lineState = LineState.None; - result = _currentLine.ToString(); - _currentLine.Length = 0; - } - - return result; - } - - public void SendError(string msg, int status) - { - try - { - HttpListenerResponse response = _context.Response; - response.StatusCode = status; - response.ContentType = "text/html"; - string description = HttpStatusDescription.Get(status); - string str; - if (msg != null) - str = string.Format("

{0} ({1})

", description, msg); - else - str = string.Format("

{0}

", description); - - byte[] error = Encoding.UTF8.GetBytes(str); - response.Close(error, false); - } - catch - { - // response was already closed - } - } - - public void SendError() - { - SendError(_context.ErrorMessage, _context.ErrorStatus); - } - - private void Unbind() - { - if (_contextBound) - { - _epl.UnbindContext(_context); - _contextBound = false; - } - } - - public void Close() - { - Close(false); - } - - private void CloseSocket() - { - if (_socket == null) - return; - - try - { - _socket.Close(); - } - catch { } - finally - { - _socket = null; - } - - RemoveConnection(); - } - - internal void Close(bool force) - { - if (_socket != null) - { - Stream st = GetResponseStream(); - if (st != null) - st.Close(); - - _responseStream = null; - } - - if (_socket != null) - { - force |= !_context.Request.KeepAlive; - if (!force) - { - force = string.Equals(_context.Response.Headers["connection"], "close", StringComparison.OrdinalIgnoreCase); - } - - if (!force && _context.Request.FlushInput()) - { - if (_chunked && _context.Response.ForceCloseChunked == false) - { - // Don't close. Keep working. - _reuses++; - Unbind(); - InitInternal(); - BeginReadRequest(); - return; - } - - _reuses++; - Unbind(); - InitInternal(); - BeginReadRequest(); - return; - } - - Socket s = _socket; - _socket = null; - try - { - s?.Shutdown(SocketShutdown.Both); - } - catch - { - } - finally - { - try - { - s?.Close(); - } - catch { } - } - Unbind(); - RemoveConnection(); - return; - } - } - } -}