jellyfin/Emby.Server.Core/HttpServerFactory.cs

using System;
using System.IO;
using System.Net.Security;
using System.Net.Sockets;
using System.Security.Cryptography.X509Certificates;
using System.Threading;
using System.Threading.Tasks;
using Emby.Common.Implementations.Net;
using Emby.Server.Implementations.HttpServer;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Cryptography;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.System;
using MediaBrowser.Model.Text;
using ServiceStack.Text.Jsv;
using SocketHttpListener.Primitives;

namespace Emby.Server.Core
{
    /// <summary>
    /// Class ServerFactory
    /// </summary>
    public static class HttpServerFactory
    {
        /// <summary>
        /// Creates the server.
        /// </summary>
        /// <returns>IHttpServer.</returns>
        public static IHttpServer CreateServer(IServerApplicationHost applicationHost,
            ILogManager logManager,
            IServerConfigurationManager config,
            INetworkManager networkmanager,
            IMemoryStreamFactory streamProvider,
            string serverName,
            string defaultRedirectpath,
            ITextEncoding textEncoding,
            ISocketFactory socketFactory,
            ICryptoProvider cryptoProvider,
            IJsonSerializer json,
            IXmlSerializer xml,
            IEnvironmentInfo environment,
            ICertificate certificate,
            IFileSystem fileSystem,
            bool enableDualModeSockets)
        {
            var logger = logManager.GetLogger("HttpServer");

            return new HttpListenerHost(applicationHost,
                logger,
                config,
                serverName,
                defaultRedirectpath,
                networkmanager,
                streamProvider,
                textEncoding,
                socketFactory,
                cryptoProvider,
                json,
                xml,
                environment,
                certificate,
                new StreamFactory(),
                GetParseFn,
                enableDualModeSockets,
                fileSystem);
        }

        private static Func<string, object> GetParseFn(Type propertyType)
        {
            return s => JsvReader.GetParseFn(propertyType)(s);
        }
    }

    public class StreamFactory : IStreamFactory
    {
        public Stream CreateNetworkStream(IAcceptSocket acceptSocket, bool ownsSocket)
        {
            var netSocket = (NetAcceptSocket)acceptSocket;

            return new WritableNetworkStream(netSocket.Socket, ownsSocket);
        }

        public Task AuthenticateSslStreamAsServer(Stream stream, ICertificate certificate)
        {
            var sslStream = (SslStream)stream;
            var cert = (Certificate)certificate;

            return sslStream.AuthenticateAsServerAsync(cert.X509Certificate);
        }

        public Stream CreateSslStream(Stream innerStream, bool leaveInnerStreamOpen)
        {
            return new SslStream(innerStream, leaveInnerStreamOpen);
        }
    }

    public class Certificate : ICertificate
    {
        public Certificate(X509Certificate x509Certificate)
        {
            X509Certificate = x509Certificate;
        }

        public X509Certificate X509Certificate { get; private set; }
    }

    public class WritableNetworkStream : Stream
    {
        private readonly Socket _socket;

        public WritableNetworkStream(Socket socket, bool ownsSocket)
        {
            _socket = socket;
        }

        public override void Flush()
        {
        }

        public override bool CanRead
        {
            get { return true; }
        }
        public override bool CanSeek
        {
            get { return false; }
        }
        public override bool CanWrite
        {
            get { return true; }
        }
        public override long Length
        {
            get { throw new NotImplementedException(); }
        }
        public override long Position
        {
            get { throw new NotImplementedException(); }
            set { throw new NotImplementedException(); }
        }

        public override void Write(byte[] buffer, int offset, int count)
        {
            _socket.Send(buffer, offset, count, SocketFlags.None);
        }

        public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
        {
            return _socket.BeginSend(buffer, offset, count, SocketFlags.None, callback, state);
        }

        public override void EndWrite(IAsyncResult asyncResult)
        {
            _socket.EndSend(asyncResult);
        }

        public override void SetLength(long value)
        {
            throw new NotImplementedException();
        }

        public override long Seek(long offset, SeekOrigin origin)
        {
            throw new NotImplementedException();
        }

        public override int Read(byte[] buffer, int offset, int count)
        {
            return _socket.Receive(buffer, offset, count, SocketFlags.None);
        }

        public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
        {
            return _socket.BeginReceive(buffer, offset, count, SocketFlags.None, callback, state);
        }

        public override int EndRead(IAsyncResult asyncResult)
        {
            return _socket.EndReceive(asyncResult);
        }
    }
}