private static HttpResponse OnServeFiles(ITcpChannel channel, HttpRequest request)
{
//do not do anything, lib will handle it.
if (request.Uri.AbsolutePath.StartsWith("/cqs"))
return null;
var response = request.CreateResponse();
var uriWithoutTrailingSlash = request.Uri.AbsolutePath.TrimEnd('/');
var path = Debugger.IsAttached
? Path.GetFullPath(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "..\\..\\public\\", uriWithoutTrailingSlash))
: Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "public\\", uriWithoutTrailingSlash);
if (path.EndsWith("\\"))
path = Path.Combine(path, "index.html");
if (!File.Exists(path))
{
response.StatusCode = 404;
return response;
}
var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
var extension = Path.GetExtension(path).TrimStart('.');
response.ContentType = ApacheMimeTypes.Apache.MimeTypes[extension];
response.Body = stream;
return response;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClientConnectedEventArgs" /> class.
/// </summary>
/// <param name="channel">The channel.</param>
public ClientConnectedEventArgs(ITcpChannel channel)
{
if (channel == null) throw new ArgumentNullException("channel");
Channel = channel;
MayConnect = true;
SendResponse = true;
}
private async Task ExecuteConnectModules(ITcpChannel channel, IClientContext context)
{
var result = ModuleResult.Continue;
for (var i = 0; i < _modules.Length; i++)
{
var connectMod = _modules[i] as IConnectionEvents;
if (connectMod == null)
continue;
try
{
result = await connectMod.OnClientConnected(context);
}
catch (Exception exception)
{
context.Error = exception;
result = ModuleResult.SendResponse;
}
if (result != ModuleResult.Continue)
break;
}
switch (result)
{
case ModuleResult.Disconnect:
channel.Close();
break;
case ModuleResult.SendResponse:
channel.Send(context.ResponseMessage);
break;
}
}
/// <summary>
/// A client has connected (nothing has been sent or received yet)
/// </summary>
/// <param name="channel">Channel which we created for the remote socket.</param>
/// <returns></returns>
protected virtual ClientConnectedEventArgs OnClientConnected(ITcpChannel channel)
{
var args = new ClientConnectedEventArgs(channel);
this.ClientConnected(this, args);
return(args);
}
/// <summary>
/// Build a new SSL steam.
/// </summary>
/// <param name="channel">Channel which will use the stream</param>
/// <param name="socket">Socket to wrap</param>
/// <returns>Stream which is ready to be used (must have been validated)</returns>
public SslStream Build(ITcpChannel channel, Socket socket)
{
var ns = new NetworkStream(socket);
var stream = new SslStream(ns, true, OnRemoteCertifiateValidation);
try
{
var t = stream.AuthenticateAsServerAsync(Certificate, UseClientCertificate, Protocols, CheckCertificateRevocation);
t.Wait(HandshakeTimeout);
if (t.Status == TaskStatus.WaitingForActivation)
{
throw new InvalidOperationException("Handshake was not completed within the given interval '" + HandshakeTimeout + "'.");
}
}
catch (IOException err)
{
throw new InvalidOperationException("Failed to authenticate " + socket.RemoteEndPoint, err);
}
catch (ObjectDisposedException err)
{
throw new InvalidOperationException("Failed to create stream, did client disconnect directly?", err);
}
catch (AuthenticationException err)
{
throw new InvalidOperationException("Failed to authenticate " + socket.RemoteEndPoint, err);
}
return(stream);
}
/// <summary>
/// Build a new SSL steam.
/// </summary>
/// <param name="channel">Channel which will use the stream</param>
/// <param name="socket">Socket to wrap</param>
/// <returns>Stream which is ready to be used (must have been validated)</returns>
public SslStream Build(ITcpChannel channel, Socket socket)
{
var ns = new NetworkStream(socket);
var stream = new SslStream(ns, true, OnRemoteCertifiateValidation);
try
{
X509CertificateCollection certificates = null;
if (Certificate != null)
{
certificates = new X509CertificateCollection(new[] { Certificate });
}
stream.AuthenticateAsClient(CommonName, certificates, Protocols, false);
}
catch (IOException err)
{
throw new InvalidOperationException("Failed to authenticate " + socket.RemoteEndPoint, err);
}
catch (ObjectDisposedException err)
{
throw new InvalidOperationException("Failed to create stream, did client disconnect directly?", err);
}
catch (AuthenticationException err)
{
throw new InvalidOperationException("Failed to authenticate " + socket.RemoteEndPoint, err);
}
return stream;
}
private async void OnClientConnect(object sender, ClientConnectedEventArgs e)
{
ITcpChannel channel = e.Channel;
FreeSwitch freeSwitch = new FreeSwitch(ref channel);
try {
var added = _clients.TryAdd(channel.ChannelId, freeSwitch);
if (added)
{
await freeSwitch.Connect();
bool ready = await freeSwitch.Resume() && await freeSwitch.MyEvents() && await freeSwitch.DivertEvents();
if (!ready)
{
await freeSwitch.Close();
return;
}
}
if (ClientReady != null)
{
ClientReady(this, new InboundClientEventArgs(freeSwitch));
}
}
catch (Exception) {
if (channel != null)
{
channel.Close();
}
}
}
private static HttpResponseBase OnServeFiles(ITcpChannel channel, HttpRequestBase request)
{
//do not do anything, lib will handle it.
if (request.Uri.AbsolutePath.StartsWith("/cqs"))
{
return(null);
}
var response = request.CreateResponse();
var uriWithoutTrailingSlash = request.Uri.AbsolutePath.TrimEnd('/');
var path = Debugger.IsAttached
? Path.GetFullPath(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "..\\..\\public\\", uriWithoutTrailingSlash))
: Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "public\\", uriWithoutTrailingSlash);
if (path.EndsWith("\\"))
{
path = Path.Combine(path, "index.html");
}
if (!File.Exists(path))
{
response.StatusCode = 404;
return(response);
}
var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
var extension = Path.GetExtension(path).TrimStart('.');
response.ContentType = ApacheMimeTypes.Apache.MimeTypes[extension];
response.Body = stream;
return(response);
}
/// <summary>
/// Build a new SSL steam.
/// </summary>
/// <param name="channel">Channel which will use the stream</param>
/// <param name="socket">Socket to wrap</param>
/// <returns>Stream which is ready to be used (must have been validated)</returns>
public SslStream Build(ITcpChannel channel, Socket socket)
{
var ns = new NetworkStream(socket);
var stream = new SslStream(ns, true, OnRemoteCertifiateValidation);
try
{
X509CertificateCollection certificates = null;
if (Certificate != null)
{
certificates = new X509CertificateCollection(new[] { Certificate });
}
stream.AuthenticateAsClient(CommonName, certificates, Protocols, false);
}
catch (IOException err)
{
throw new InvalidOperationException("Failed to authenticate " + socket.RemoteEndPoint, err);
}
catch (ObjectDisposedException err)
{
throw new InvalidOperationException("Failed to create stream, did client disconnect directly?", err);
}
catch (AuthenticationException err)
{
throw new InvalidOperationException("Failed to authenticate " + socket.RemoteEndPoint, err);
}
return(stream);
}
private void OnConnect(object sender, SocketAsyncEventArgs e)
{
if (e.SocketError != SocketError.Success)
{
_connectCompletionSource.SetException(new SocketException((int)e.SocketError));
_connectCompletionSource = null;
return;
}
try
{
if (_channel == null)
{
_channel = CreateChannel();
}
_channel.Assign(_socket);
}
catch (Exception exception)
{
_connectCompletionSource.SetException(exception);
_connectCompletionSource = null;
return;
}
_connectCompletionSource.SetResult((IPEndPoint)_socket.RemoteEndPoint);
_connectCompletionSource = null;
}
private void AddCloseListener(ITcpChannel channel)
{
channel.Closed += sender =>
{
Logger.Debug("About to close the connection {0}, {1}.", channel, _initiator ? "initiator" : "from-dispatcher");
_tcsClose.SetResult(null); // complete
};
}
public FreeSwitch(ref ITcpChannel channel) {
_channel = channel;
_channel.MessageSent += OnMessageSent;
_channel.ChannelFailure += OnError;
_requestsQueue = new ConcurrentQueue<CommandAsyncEvent>();
Error += OnError;
MessageReceived += OnMessageReceived;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClientDisconnectedEventArgs" /> class.
/// </summary>
/// <param name="channel">The channel that disconnected.</param>
/// <param name="exception">The exception that was caught.</param>
public ChannelErrorEventArgs(ITcpChannel channel, Exception exception)
{
if (channel == null) throw new ArgumentNullException("channel");
if (exception == null) throw new ArgumentNullException("exception");
Channel = channel;
Exception = exception;
}
private void OnDecoderFailure(ITcpChannel channel, Exception error)
{
var pos = error.Message.IndexOfAny(new[] {'\r', '\n'});
var descr = pos == -1 ? error.Message : error.Message.Substring(0, pos);
var response = new HttpResponseBase(HttpStatusCode.BadRequest, descr, "HTTP/1.1");
channel.Send(response);
channel.Close();
}
/// <summary>
/// </summary>
/// <param name="channel"></param>
/// <param name="transactionManager">
/// Must be unique for this client. i.e. the transaction ids used in this client is not
/// globally unique
/// </param>
public StompClient(ITcpChannel channel, ITransactionManager transactionManager)
{
if (channel == null) throw new ArgumentNullException("channel");
if (transactionManager == null) throw new ArgumentNullException("transactionManager");
Channel = channel;
_transactionManager = transactionManager;
}
private static void OnServerReceivedMessage(ITcpChannel channel, object message)
{
var file = (Stream)message;
var reader = new StreamReader(file);
var fileContents = reader.ReadToEnd();
Console.WriteLine(fileContents);
}
/// <summary>
/// authenticate using serialized messages
/// </summary>
/// <param name="channel">channel to authenticate</param>
/// <param name="message">Received message, will be <see cref="AuthenticationRequiredException" /> first time and then responses to your authentication messages</param>
/// <returns>
/// <c>true</c> if authentication process completed.
/// </returns>
public bool Process(ITcpChannel channel, object message)
{
if (message is AuthenticationRequiredException)
{
var handshake = _authenticationMessageFactory.CreateHandshake(_credentials.UserName);
channel.Send(handshake);
_state = 1;
AuthenticationFailed = false;
return(false);
}
if (message is AuthenticationHandshakeReply)
{
if (_state != 1)
{
AuthenticationFailed = true;
return(true);
}
_state = 2;
var handshakeReply = (AuthenticationHandshakeReply)message;
_passwordHash = _passwordHasher.HashPassword(_credentials.Password, handshakeReply.AccountSalt);
var token = _passwordHasher.HashPassword(_passwordHash, handshakeReply.SessionSalt);
var auth = _authenticationMessageFactory.CreateAuthentication(token);
_clientSalt = auth.ClientSalt;
channel.Send(auth);
return(false);
}
if (message is AuthenticateReply)
{
if (_state != 2)
{
AuthenticationFailed = true;
return(true);
}
var result = (AuthenticateReply)message;
AuthenticationFailed = true;
if (result.State == AuthenticateReplyState.Success)
{
var ourToken = _passwordHasher.HashPassword(_passwordHash, _clientSalt);
if (!_passwordHasher.Compare(ourToken, result.AuthenticationToken))
{
return(true);
}
}
else
{
return(true);
}
AuthenticationFailed = false;
return(true);
}
return(false);
}
protected override void OnMessage(ITcpChannel source, object msg)
{
var message = (IHttpMessage) msg;
// used to be able to send back all
message.Headers["X-Pipeline-index"] = (_pipelineIndex++).ToString();
base.OnMessage(source, msg);
}
private void OnDecoderFailure(ITcpChannel channel, Exception error)
{
var pos = error.Message.IndexOfAny(new[] { '\r', '\n' });
var descr = pos == -1 ? error.Message : error.Message.Substring(0, pos);
var response = new HttpResponseBase(HttpStatusCode.BadRequest, descr, "HTTP/1.1");
channel.Send(response);
channel.Close();
}
private void OnChannelDisconnect(ITcpChannel source, Exception exception)
{
ITcpChannel removed;
_usedChannels.TryRemove(source.ChannelId, out removed);
OnClientDisconnected(source, exception);
source.Cleanup();
_channels.Push(source);
}
private void OnMessageSent(ITcpChannel channel, object message)
{
if (_log.IsDebugEnabled)
{
var cmd = message as BaseCommand;
_log.Debug("command sent to freeSwitch <<{0}>>", cmd.ToString());
}
_sendCompletedSemaphore.Release();
}
/// <summary>
/// Disconnection event handler
/// </summary>
/// <param name="arg1"></param>
/// <param name="arg2"></param>
private void OnDisconnect(ITcpChannel arg1, Exception arg2)
{
_socket = null;
if (_sendCompletedSemaphore.CurrentCount == 0)
{
_sendException = arg2;
_sendCompletedSemaphore.Release();
}
}
/// <summary>
/// Create a new instance of <see cref="WebSocketClientConnectEventArgs"/>
/// </summary>
/// <param name="channel">Channel that connected</param>
/// <param name="request">Request that we received</param>
public WebSocketClientConnectEventArgs(ITcpChannel channel, IHttpRequest request)
: base(channel)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
Request = request;
}
public ClientContext(ITcpChannel channel, object message)
{
if (channel == null) throw new ArgumentNullException("channel");
_channel = channel;
RequestMessage = message;
ChannelData = Channel.Data;
RemoteEndPoint = channel.RemoteEndpoint;
RequestData = new DictionaryContextData();
}
public FreeSwitch(ref ITcpChannel channel)
{
_channel = channel;
_channel.MessageSent += OnMessageSent;
_channel.ChannelFailure += OnError;
_requestsQueue = new ConcurrentQueue <CommandAsyncEvent>();
Error += OnError;
MessageReceived += OnMessageReceived;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClientConnectedEventArgs" /> class.
/// </summary>
/// <param name="channel">The channel.</param>
public ClientConnectedEventArgs(ITcpChannel channel)
{
if (channel == null)
{
throw new ArgumentNullException("channel");
}
Channel = channel;
MayConnect = true;
}
private void OnMessage(ITcpChannel channel, object message)
{
if (channel.Data["lock"] == null)
{
Thread.Sleep(2000);
channel.Data["lock"] = new object();
}
else
_eventToTriggerBySecond.Set();
}
private void OnDecoderFailure(ITcpChannel channel, Exception error)
{
var pos = error.Message.IndexOfAny(new[] {'\r', '\n'});
var descr = pos == -1 ? error.Message : error.Message.Substring(0, pos);
var response = new HttpResponse(HttpStatusCode.BadRequest, descr, "HTTP/1.1");
var counter = (int)channel.Data.GetOrAdd(HttpMessage.PipelineIndexKey, x => 1);
response.Headers[HttpMessage.PipelineIndexKey] = counter.ToString();
channel.Send(response);
channel.Close();
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
if (_channel == null)
{
return;
}
_channel.Close();
_channel = null;
}
private int AuthenticateBytes(ITcpChannel channel, ISocketBuffer buffer)
{
bool completed;
var bytesProcessed = Authenticator.Process(channel, buffer, out completed);
if (completed)
{
channel.BufferPreProcessor = null;
}
return(bytesProcessed);
}
private static void OnMessage(ITcpChannel channel, object message)
{
var ping = (Ping)message;
Console.WriteLine("Server received: " + message);
channel.Send(new Pong
{
From = "Server",
To = ping.Name
});
}
private void OnDecoderFailure(ITcpChannel channel, Exception error)
{
var pos = error.Message.IndexOfAny(new[] { '\r', '\n' });
var descr = pos == -1 ? error.Message : error.Message.Substring(0, pos);
var response = new HttpResponseBase(HttpStatusCode.BadRequest, descr, "HTTP/1.1");
var counter = (int)channel.Data.GetOrAdd(HttpMessage.PipelineIndexKey, x => 1);
response.Headers[HttpMessage.PipelineIndexKey] = counter.ToString();
channel.Send(response);
channel.Close();
}
/// <summary>
/// If we already have an open TCP connection, we don't need a channel creator.
/// </summary>
/// <param name="remotePeer">The remote peer to connect to.</param>
/// <param name="channel">The already open TCP channel.</param>
/// <param name="heartBeatMillis"></param>
public PeerConnection(PeerAddress remotePeer, ITcpChannel channel, int heartBeatMillis)
{
RemotePeer = remotePeer;
_channel = channel;
AddCloseListener(channel);
ChannelCreator = null;
HeartBeatMillis = heartBeatMillis;
_initiator = false;
_oneConnection = new Semaphore(1, 1);
_map = new Dictionary <TaskCompletionSource <ChannelCreator>, TaskCompletionSource <Message.Message> >();
_tcsClose = new TaskCompletionSource <object>();
}
private void OnMessage(ITcpChannel channel, object message)
{
if (channel.Data["lock"] == null)
{
Thread.Sleep(2000);
channel.Data["lock"] = new object();
}
else
{
_eventToTriggerBySecond.Set();
}
}
public ClientContext(ITcpChannel channel, object message)
{
if (channel == null)
{
throw new ArgumentNullException("channel");
}
_channel = channel;
RequestMessage = message;
ChannelData = Channel.Data;
RemoteEndPoint = channel.RemoteEndpoint;
RequestData = new DictionaryContextData();
}
private bool RespondWithRaw(Stream body, int statusCode, string mimeType, Dictionary <string, string> headers = null)
{
ITcpChannel _channel;
lock (lockObject)
{
if (channel == null)
{
return(false);
}
_channel = channel;
channel = null;
}
try
{
IHttpResponse response = request.CreateResponse();
request = null;
response.ContentLength = (int)body.Length;
response.StatusCode = statusCode;
response.ContentType = mimeType;
if (currentUser != null)
{
response.AddHeader("X-User-Name", currentUser.Value.name);
response.AddHeader("X-User-Readonly", currentUser.Value.readOnly ? "Yes" : "No");
}
response.AddHeader("Access-Control-Allow-Origin", "*");
response.AddHeader("Access-Control-Allow-Headers", "Authorization");
response.AddHeader("Access-Control-Allow-Methods", "POST, HEAD, PUT, DELETE, GET, OPTIONS");
if (headers != null)
{
foreach (KeyValuePair <string, string> kvp in headers)
{
response.AddHeader(kvp.Key, kvp.Value);
}
}
body.Position = 0;
response.Body = body;
_channel.Send(response);
}
catch
{
return(false);
}
return(true);
}
private void OnError(ITcpChannel channel, Exception exception)
{
var socketException = exception as SocketException;
var soke = socketException;
if (soke?.SocketErrorCode == SocketError.Shutdown)
{
_log.Warn("Channel [#{0}--Address={1}] Socket already closed", channel.ChannelId,
channel.RemoteEndpoint);
return;
}
_log.Error(exception);
}
private PeerConnection(Semaphore oneConnection, PeerAddress remotePeer, ChannelCreator cc, bool initiator,
IDictionary <TaskCompletionSource <ChannelCreator>, TaskCompletionSource <Message.Message> > map,
TaskCompletionSource <object> tcsClose, int heartBeatMillis, ITcpChannel channel)
{
_oneConnection = oneConnection;
RemotePeer = remotePeer;
ChannelCreator = cc;
_initiator = initiator;
_map = map;
_tcsClose = tcsClose;
HeartBeatMillis = heartBeatMillis;
_channel = channel;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClientDisconnectedEventArgs" /> class.
/// </summary>
/// <param name="channel">The channel that disconnected.</param>
/// <param name="exception">The exception that was caught.</param>
public ClientDisconnectedEventArgs(ITcpChannel channel, Exception exception)
{
if (channel == null)
{
throw new ArgumentNullException("channel");
}
if (exception == null)
{
throw new ArgumentNullException("exception");
}
Channel = channel;
Exception = exception;
}
/// <summary>
/// </summary>
/// <param name="channel"></param>
/// <param name="transactionManager">
/// Must be unique for this client. i.e. the transaction ids used in this client is not
/// globally unique
/// </param>
public StompClient(ITcpChannel channel, ITransactionManager transactionManager)
{
if (channel == null)
{
throw new ArgumentNullException("channel");
}
if (transactionManager == null)
{
throw new ArgumentNullException("transactionManager");
}
Channel = channel;
_transactionManager = transactionManager;
}
private bool AuthenticateUser(ITcpChannel channel, HttpRequest request)
{
if (channel.Data["Principal"] != null)
{
Thread.CurrentPrincipal = (IPrincipal)channel.Data["Principal"];
return(true);
}
try
{
var user = Authenticator.Authenticate(request);
if (user == null)
{
return(true);
}
if (PrincipalFactory != null)
{
var ctx = new PrincipalFactoryContext(request, user);
Thread.CurrentPrincipal = PrincipalFactory.Create(ctx);
channel.Data["Principal"] = Thread.CurrentPrincipal;
return(true);
}
var roles = user as IUserWithRoles;
if (roles == null)
{
throw new InvalidOperationException(
"You must specify a PrincipalFactory if you do not return a IUserWithRoles from your IAccountService.");
}
Thread.CurrentPrincipal = new GenericPrincipal(new GenericIdentity(user.Username), roles.RoleNames);
channel.Data["Principal"] = Thread.CurrentPrincipal;
}
catch (HttpException ex)
{
if (Logger != null)
{
Logger("Authentication failed.\r\nException:\r\n" + ex.ToString());
}
var response = request.CreateResponse();
response.StatusCode = ex.HttpCode;
response.ReasonPhrase = FirstLine(ex.Message);
channel.Send(response);
return(false);
}
return(true);
}
private void OnChannelDisconnect(ITcpChannel source, Exception exception)
{
OnClientDisconnected(source, exception);
source.Cleanup();
try
{
if (_channels != null &&
_channels.ContainsKey(source.ChannelId))
{
ITcpChannel channel;
_channels.TryRemove(source.ChannelId, out channel);
}
}
catch (Exception) { }
}
/// <summary>
/// Receive a new message from the specified client
/// </summary>
/// <param name="source">Channel for the client</param>
/// <param name="msg">Message (as decoded by the specified <see cref="IMessageDecoder" />).</param>
protected override void OnMessage(ITcpChannel source, object msg)
{
var message = (IHttpMessage) msg;
//TODO: Try again if we fail to update
var counter = (int) source.Data.GetOrAdd(HttpMessage.PipelineIndexKey, x => 0) + 1;
source.Data.TryUpdate(HttpMessage.PipelineIndexKey, counter, counter - 1);
message.Headers[HttpMessage.PipelineIndexKey] = counter.ToString();
var request = msg as IHttpRequest;
if (request != null)
request.RemoteEndPoint = source.RemoteEndpoint;
base.OnMessage(source, msg);
}
private void OnDisconnect(ITcpChannel arg1, Exception arg2)
{
_socket = null;
if (_sendCompletionSource != null)
{
_sendCompletionSource.SetException(arg2);
_sendCompletionSource = null;
}
if (_readCompletionSource != null)
{
_readCompletionSource.SetException(arg2);
_readCompletionSource = null;
}
}
private bool RespondWithRaw(Stream body, int statusCode, string mimeType, Dictionary<string, string> headers = null)
{
ITcpChannel _channel;
lock (lockObject)
{
if (channel == null)
return false;
_channel = channel;
channel = null;
}
try
{
IHttpResponse response = request.CreateResponse();
request = null;
response.ContentLength = (int)body.Length;
response.StatusCode = statusCode;
response.ContentType = mimeType;
if (currentUser != null)
{
response.AddHeader("X-User-Name", currentUser.Value.name);
response.AddHeader("X-User-Readonly", currentUser.Value.readOnly ? "Yes" : "No");
}
response.AddHeader("Access-Control-Allow-Origin", "*");
response.AddHeader("Access-Control-Allow-Headers", "Authorization");
response.AddHeader("Access-Control-Allow-Methods", "POST, HEAD, PUT, DELETE, GET, OPTIONS");
if (headers != null)
foreach (KeyValuePair<string, string> kvp in headers)
response.AddHeader(kvp.Key, kvp.Value);
body.Position = 0;
response.Body = body;
_channel.Send(response);
}
catch
{
return false;
}
return true;
}
private static void OnMessage(ITcpChannel channel, object message)
{
var request = (HttpRequest)message;
var response = request.CreateResponse();
if (request.Uri.AbsolutePath.StartsWith("/restricted"))
{
var user = _authenticator.Authenticate(request);
if (user == null)
{
_authenticator.CreateChallenge(request, response);
channel.Send(response);
return;
}
Console.WriteLine("Logged in: " + user);
}
if (request.Uri.AbsolutePath == "/favicon.ico")
{
response.StatusCode = 404;
channel.Send(response);
return;
}
var msg = Encoding.UTF8.GetBytes("Hello world");
if (request.Uri.ToString().Contains(".jpg"))
{
response.Body = new FileStream(@"C:\users\gaujon01\Pictures\DSC_0231.jpg", FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
response.ContentType = "image/jpeg";
}
else
{
response.Body = new MemoryStream(msg);
//response.Body.Write(msg, 0, msg.Length);
response.ContentType = "text/plain";
}
channel.Send(response);
if (request.HttpVersion == "HTTP/1.0")
channel.Close();
}
/// <summary>
/// Build a new SSL steam.
/// </summary>
/// <param name="channel">Channel which will use the stream</param>
/// <param name="socket">Socket to wrap</param>
/// <returns>Stream which is ready to be used (must have been validated)</returns>
public SslStream Build(ITcpChannel channel, Socket socket) {
var ns = new NetworkStream(socket);
var stream = new SslStream(ns, true, OnRemoteCertifiateValidation);
try {
stream.AuthenticateAsServer(Certificate, UseClientCertificate, Protocols, CheckCertificateRevocation);
}
catch (IOException err) {
throw new InvalidOperationException("Failed to authenticate " + socket.RemoteEndPoint, err);
}
catch (ObjectDisposedException err) {
throw new InvalidOperationException("Failed to create stream, did client disconnect directly?", err);
}
catch (AuthenticationException err) {
throw new InvalidOperationException("Failed to authenticate " + socket.RemoteEndPoint, err);
}
return stream;
}
private ITcpChannel CreateChannel()
{
if (_channel != null)
return _channel;
if (_sslStreamBuilder != null)
{
_channel = new SecureTcpChannel(new BufferSlice(new byte[65535], 0, 65535), _encoder, _decoder,
_sslStreamBuilder);
}
else
{
_channel = new TcpChannel(new BufferSlice(new byte[65535], 0, 65535), _encoder, _decoder);
}
_channel.Disconnected = OnDisconnect;
_channel.MessageSent = OnSendCompleted;
_channel.MessageReceived = OnChannelMessageReceived;
return _channel;
}
private void OnChannelDisconnect(ITcpChannel source, Exception exception)
{
OnClientDisconnected(source, exception);
source.Cleanup();
_channels.Push(source);
}
/// <summary>
/// Receive a new message from the specified client
/// </summary>
/// <param name="source">Channel for the client</param>
/// <param name="msg">Message (as decoded by the specified <see cref="IMessageDecoder" />).</param>
protected virtual void OnMessage(ITcpChannel source, object msg)
{
_messageReceived(source, msg);
}
/// <summary>
/// A client have disconnected
/// </summary>
/// <param name="channel">Channel representing the client that disconnected</param>
/// <param name="exception">
/// Exception which was used to detect disconnect (<c>SocketException</c> with status
/// <c>Success</c> is created for graceful disconnects)
/// </param>
protected virtual void OnClientDisconnected(ITcpChannel channel, Exception exception)
{
ClientDisconnected(this, new ClientDisconnectedEventArgs(channel, exception));
}
/// <summary>
/// A client have connected (nothing have been sent or received yet)
/// </summary>
/// <param name="channel">Channel which we created for the remote socket.</param>
/// <returns></returns>
protected virtual ClientConnectedEventArgs OnClientConnected(ITcpChannel channel)
{
var args = new ClientConnectedEventArgs(channel);
ClientConnected(this, args);
return args;
}
private void OnClientMessage(ITcpChannel channel, object message)
{
var context = new ClientContext(channel, message);
ExecuteModules(channel, context).Wait();
}
public bool IsForChannel(ITcpChannel channel)
{
return ReferenceEquals(channel, Channel);
}
private void OnChannelMessageReceived(ITcpChannel channel, object message)
{
_readCompletionSource.SetResult(message);
_readCompletionSource = null;
}
private void OnConnect(object sender, SocketAsyncEventArgs e)
{
if (e.SocketError != SocketError.Success)
{
_connectCompletionSource.SetException(new SocketException((int) e.SocketError));
_connectCompletionSource = null;
return;
}
try
{
if (_channel == null)
_channel = CreateChannel();
_channel.Assign(_socket);
}
catch (Exception exception)
{
_connectCompletionSource.SetException(exception);
_connectCompletionSource = null;
return;
}
_connectCompletionSource.SetResult((IPEndPoint) _socket.RemoteEndPoint);
_connectCompletionSource = null;
}
private void OnSendCompleted(ITcpChannel channel, object sentMessage)
{
_sendCompletionSource.SetResult(sentMessage);
_sendCompletionSource = null;
}
/// <summary>
/// Completed Send request event handler. Good for logging.
/// </summary>
/// <param name="channel">the Tcp channel used to send the request</param>
/// <param name="sentMessage">the message sent</param>
private void OnSendCompleted(ITcpChannel channel, object sentMessage) {
if (_log.IsDebugEnabled) {
var cmd = sentMessage as BaseCommand;
_log.Debug("command sent to freeSwitch <<{0}>>", cmd.ToString());
}
_sendCompletedSemaphore.Release();
}
/// <summary>
/// Fired when a decoded message is received by the channel.
/// </summary>
/// <param name="channel">Receiving channel</param>
/// <param name="message">Decoded message received</param>
private async void OnMessageReceived(ITcpChannel channel, object message) {
var decodedMessage = message as EslDecodedMessage;
// Handle decoded message.
if (decodedMessage?.Headers == null
|| !decodedMessage.Headers.HasKeys())
return;
var headers = decodedMessage.Headers;
object response = null;
var contentType = headers["Content-Type"];
if (string.IsNullOrEmpty(contentType)) return;
contentType = contentType.ToLowerInvariant();
switch (contentType) {
case "auth/request":
if (OnAuthentication != null) await OnAuthentication(this, EventArgs.Empty).ConfigureAwait(false);
break;
case "command/reply":
var reply = new CommandReply(headers, decodedMessage.OriginalMessage);
response = reply;
break;
case "api/response":
var apiResponse = new ApiResponse(decodedMessage.BodyText);
response = apiResponse;
break;
case "text/event-plain":
var parameters = decodedMessage.BodyLines.AllKeys.ToDictionary(key => key,
key => decodedMessage.BodyLines[key]);
var @event = new EslEvent(parameters);
response = @event;
break;
case "log/data":
var logdata = new LogData(headers, decodedMessage.BodyText);
response = logdata;
break;
case "text/rude-rejection":
await _channel.CloseAsync();
var reject = new RudeRejection(decodedMessage.BodyText);
response = reject;
break;
case "text/disconnect-notice":
var notice = new DisconnectNotice(decodedMessage.BodyText);
response = notice;
break;
default:
// Here we are handling an unknown message
var msg = new EslMessage(decodedMessage.Headers, decodedMessage.OriginalMessage);
response = msg;
break;
}
await HandleResponse(response).ConfigureAwait(false);
}
/// <summary>
/// Disconnection event handler
/// </summary>
/// <param name="arg1"></param>
/// <param name="arg2"></param>
private void OnDisconnect(ITcpChannel arg1, Exception arg2) {
_socket = null;
if (_sendCompletedSemaphore.CurrentCount == 0) {
_sendException = arg2;
_sendCompletedSemaphore.Release();
}
}