public HttpNegotiationQueue(WebSocketFactoryCollection standards, WebSocketConnectionExtensionCollection extensions, WebSocketListenerOptions options)
{
Guard.ParameterCannotBeNull(standards, "standards");
Guard.ParameterCannotBeNull(extensions, "extensions");
Guard.ParameterCannotBeNull(options, "options");
_options = options;
_extensions = extensions;
_cancel = new CancellationTokenSource();
_semaphore = new SemaphoreSlim(options.ParallelNegotiations);
_sockets = new BufferBlock<Socket>(new DataflowBlockOptions()
{
BoundedCapacity = options.NegotiationQueueCapacity,
CancellationToken = _cancel.Token
});
_negotiations = new BufferBlock<WebSocketNegotiationResult>(new DataflowBlockOptions()
{
BoundedCapacity = options.NegotiationQueueCapacity,
CancellationToken = _cancel.Token,
});
_cancel.Token.Register(_sockets.Complete);
_cancel.Token.Register(_negotiations.Complete);
_handShaker = new WebSocketHandshaker(standards, _options);
Task.Run((Func<Task>)WorkAsync);
}
public void SendCustomErrorCode()
{
var handshaker = new WebSocketHandshaker(this.factories,
new WebSocketListenerOptions
{
Logger = this.logger,
HttpAuthenticationHandler = async(req, res) =>
{
res.Status = HttpStatusCode.Unauthorized;
return(false);
}
});
using (var connectionInput = new MemoryStream())
using (var connectionOutput = new MemoryStream())
using (var connection = new DummyNetworkConnection(connectionInput, connectionOutput))
{
using (var sw = new StreamWriter(connectionInput, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
connectionInput.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(connection).Result;
Assert.NotNull(result);
Assert.False((bool)result.IsValidWebSocketRequest);
Assert.NotNull(result.Error);
connectionOutput.Seek(0, SeekOrigin.Begin);
var sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 401 Unauthorized");
sb.AppendLine(@"Connection: close");
sb.AppendLine();
using (var sr = new StreamReader(connectionOutput))
{
var s = sr.ReadToEnd();
Assert.Equal(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_CanReturnCookies()
{
WebSocketHandshaker handshaker = new WebSocketHandshaker(_factories,
new WebSocketListenerOptions()
{
OnHttpNegotiation = (request, response) =>
{
response.Cookies.Add(new Cookie("name1", "value1"));
response.Cookies.Add(new Cookie("name2", "value2"));
}
});
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.NotNull(result);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 101 Switching Protocols");
sb.AppendLine(@"Upgrade: websocket");
sb.AppendLine(@"Connection: Upgrade");
sb.AppendLine(@"Set-Cookie: name1=value1");
sb.AppendLine(@"Set-Cookie: name2=value2");
sb.AppendLine(@"Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_CanDoSimpleHandshake()
{
WebSocketHandshaker handshaker = new WebSocketHandshaker(_factories, new WebSocketListenerOptions());
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.IsNotNull(result);
Assert.IsTrue(result.IsWebSocketRequest);
Assert.IsTrue(result.IsVersionSupported);
Assert.AreEqual(new Uri("http://example.com"), result.Request.Headers.Origin);
Assert.AreEqual("server.example.com", result.Request.Headers[HttpRequestHeader.Host]);
Assert.AreEqual(@"/chat", result.Request.RequestUri.ToString());
Assert.AreEqual(1, result.Request.Cookies.Count);
var cookie = result.Request.Cookies[0];
Assert.AreEqual("key", cookie.Name);
Assert.AreEqual(@"W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5", cookie.Value);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 101 Switching Protocols");
sb.AppendLine(@"Upgrade: websocket");
sb.AppendLine(@"Connection: Upgrade");
sb.AppendLine(@"Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_CanNegotiateAndIgnoreAnExtension()
{
WebSocketHandshaker handshaker = new WebSocketHandshaker(_factories, new WebSocketListenerOptions()
{
SubProtocols = new[] { "superchat" }
});
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Protocol: chat, superchat");
sw.WriteLine(@"Sec-WebSocket-Extensions: test-extension");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.IsNotNull(result);
Assert.IsTrue(result.IsWebSocketRequest);
Assert.AreEqual(new Uri("http://example.com"), result.Request.Headers.Origin);
Assert.AreEqual("superchat", result.Response.WebSocketProtocol);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 101 Switching Protocols");
sb.AppendLine(@"Upgrade: websocket");
sb.AppendLine(@"Connection: Upgrade");
sb.AppendLine(@"Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=");
sb.AppendLine(@"Sec-WebSocket-Protocol: superchat");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_DoesNotFailWhenSubProtocolRequestedButNotOffered()
{
var config = new WebSocketListenerConfig(new WebSocketListenerOptions());
config.Standards.RegisterStandard(new WebSocketFactoryRfc6455());
var handshaker = new WebSocketHandshaker(config);
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Protocol: chat, superchat");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.IsNotNull(result);
Assert.IsTrue(result.IsWebSocketRequest);
Assert.IsTrue(result.IsVersionSupported);
Assert.IsNull(result.Error);
Assert.IsTrue(result.IsValid);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 101 Switching Protocols");
sb.AppendLine(@"Upgrade: websocket");
sb.AppendLine(@"Connection: Upgrade");
sb.AppendLine(@"Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
public void DoNotFailWhenSubProtocolRequestedButNotOffered()
{
var handshaker = new WebSocketHandshaker(this.factories, new WebSocketListenerOptions {
Logger = this.logger
});
using (var connectionInput = new MemoryStream())
using (var connectionOutput = new MemoryStream())
using (var connection = new DummyNetworkConnection(connectionInput, connectionOutput))
{
using (var sw = new StreamWriter(connectionInput, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Protocol: chat, superchat");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
connectionInput.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(connection).Result;
Assert.NotNull(result);
Assert.True((bool)result.IsWebSocketRequest);
Assert.True((bool)result.IsVersionSupported);
Assert.Null(result.Error);
Assert.True((bool)result.IsValidWebSocketRequest);
connectionOutput.Seek(0, SeekOrigin.Begin);
var sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 101 Switching Protocols");
sb.AppendLine(@"Upgrade: websocket");
sb.AppendLine(@"Connection: Upgrade");
sb.AppendLine(@"Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=");
sb.AppendLine();
using (var sr = new StreamReader(connectionOutput))
{
var s = sr.ReadToEnd();
Assert.Equal(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_CanDetectReturnCookieErrors()
{
var config = new WebSocketListenerConfig(new WebSocketListenerOptions()
{
OnHttpNegotiation = (req, res) => { throw new Exception("dummy"); }
});
config.Standards.RegisterStandard(new WebSocketFactoryRfc6455());
var handshaker = new WebSocketHandshaker(config);
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.IsNotNull(result);
Assert.IsFalse(result.IsValid);
Assert.IsNotNull(result.Error);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 500 Internal Server Error");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_FailWhenSubProtocolRequestedButNoMatch()
{
WebSocketHandshaker handshaker = new WebSocketHandshaker(_factories, new WebSocketListenerOptions()
{
SubProtocols = new[] { "superchat2", "text" }
});
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Protocol: chat, superchat");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.IsNotNull(result);
Assert.IsTrue(result.IsWebSocketRequest);
Assert.IsTrue(result.IsVersionSupported);
Assert.IsNotNull(result.Error);
Assert.IsFalse(result.IsValid);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 400 Bad Request");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_CanSendCustomErrorCode()
{
WebSocketHandshaker handshaker = new WebSocketHandshaker(_factories,
new WebSocketListenerOptions()
{
OnHttpNegotiation = (req, res) => { res.Status = HttpStatusCode.Unauthorized; }
});
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.IsNotNull(result);
Assert.IsFalse(result.IsValid);
Assert.IsNull(result.Error);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 401 Unauthorized");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
public void HttpFallback()
{
var options = new WebSocketListenerOptions {
Logger = this.logger
};
options.HttpFallback = this.fallback.Object;
var handshaker = new WebSocketHandshaker(this.factories, options);
using (var connectionInput = new MemoryStream())
using (var connectionOutput = new MemoryStream())
using (var connection = new DummyNetworkConnection(connectionInput, connectionOutput))
{
using (var sw = new StreamWriter(connectionInput, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Origin: http://example.com");
}
connectionInput.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(connection).Result;
Assert.NotNull(result);
Assert.False((bool)result.IsWebSocketRequest);
Assert.False((bool)result.IsValidWebSocketRequest);
Assert.True((bool)result.IsValidHttpRequest);
Assert.False((bool)result.IsVersionSupported);
Assert.Equal(new Uri("http://example.com"), new Uri(result.Request.Headers[RequestHeader.Origin]));
Assert.Equal((string)"server.example.com", (string)result.Request.Headers[RequestHeader.Host]);
Assert.Equal((string)@"/chat", (string)result.Request.RequestUri.ToString());
Assert.Equal(1, result.Request.Cookies.Count);
var cookie = result.Request.Cookies["key"];
Assert.Equal((string)"key", (string)cookie.Name);
Assert.Equal((string)@"W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5", (string)cookie.Value);
Assert.NotNull(result.Request.LocalEndPoint);
Assert.NotNull(result.Request.RemoteEndPoint);
}
}
WebSocketHandshake GenerateSimpleHandshake()
{
WebSocketHandshaker handshaker = new WebSocketHandshaker(_factories, new WebSocketListenerOptions());
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
ms.Seek(0, SeekOrigin.Begin);
return(handshaker.HandshakeAsync(ms).Result);
}
}
public HttpNegotiationQueue(WebSocketFactoryCollection standards, WebSocketConnectionExtensionCollection extensions, WebSocketListenerOptions options)
{
if (standards == null)
{
throw new ArgumentNullException(nameof(standards));
}
if (extensions == null)
{
throw new ArgumentNullException(nameof(extensions));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
this.log = options.Logger;
_options = options;
_extensions = extensions;
_cancel = new CancellationTokenSource();
_semaphore = new SemaphoreSlim(options.ParallelNegotiations);
_connections = new AsyncQueue <NetworkConnection>(options.NegotiationQueueCapacity);
_negotiations = new AsyncQueue <WebSocketNegotiationResult>();
_negotiations.ParallelTakeErrorMessage = $"Parallel call to '{nameof(WebSocketListener.AcceptWebSocketAsync)}' is not allowed.";
_negotiations.ClosedErrorMessage = $"{nameof(WebSocketListener)} is closed and will not accept new connections.";
//_cancel.Token.Register(() => this._connections.Close(new OperationCanceledException()));
_handShaker = new WebSocketHandshaker(standards, _options);
if (options.PingMode != PingMode.Manual)
{
this.pingQueue = new PingQueue(options.PingInterval);
}
WorkAsync().LogFault(this.log);
}
public void WebSocketHandshaker_CanDoHttpFallback()
{
var options = new WebSocketListenerOptions();
options.HttpFallback = _fallback.Object;
WebSocketHandshaker handshaker = new WebSocketHandshaker(_factories, options);
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.IsNotNull(result);
Assert.IsFalse(result.IsWebSocketRequest);
Assert.IsFalse(result.IsValidWebSocketRequest);
Assert.IsTrue(result.IsValidHttpRequest);
Assert.IsFalse(result.IsVersionSupported);
Assert.AreEqual(new Uri("http://example.com"), result.Request.Headers.Origin);
Assert.AreEqual("server.example.com", result.Request.Headers[HttpRequestHeader.Host]);
Assert.AreEqual(@"/chat", result.Request.RequestUri.ToString());
Assert.AreEqual(1, result.Request.Cookies.Count);
var cookie = result.Request.Cookies["key"];
Assert.AreEqual("key", cookie.Name);
Assert.AreEqual(@"W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5", cookie.Value);
Assert.IsNotNull(result.Request.LocalEndpoint);
Assert.IsNotNull(result.Request.RemoteEndpoint);
}
}
private WebSocketHandshake GenerateSimpleHandshake()
{
var handshaker = new WebSocketHandshaker(this.factories, this.options);
using (var connectionInput = new MemoryStream())
using (var connectionOutput = new MemoryStream())
using (var connection = new DummyNetworkConnection(connectionInput, connectionOutput))
{
using (var sw = new StreamWriter(connectionInput, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
connectionInput.Seek(0, SeekOrigin.Begin);
return(handshaker.HandshakeAsync(connection).Result);
}
}
public void NegotiateAnExtensionWithParameters()
{
var extension = new Mock <IWebSocketMessageExtension>();
extension.Setup(x => x.Name).Returns("test-extension");
var ext = new WebSocketExtension("test-extension", new List <WebSocketExtensionOption>(new[]
{
new WebSocketExtensionOption("optionA")
}));
IWebSocketMessageExtensionContext ctx;
extension.Setup(x => x.TryNegotiate(It.IsAny <WebSocketHttpRequest>(), out ext, out ctx))
.Returns(true);
var factory = new WebSocketFactoryRfc6455();
factory.MessageExtensions.Add(extension.Object);
var factories = new WebSocketFactoryCollection();
factories.Add(factory);
var handshaker = new WebSocketHandshaker(factories, new WebSocketListenerOptions
{
Logger = this.logger,
SubProtocols = new[]
{
"superchat"
}
});
using (var connectionInput = new MemoryStream())
using (var connectionOutput = new MemoryStream())
using (var connection = new DummyNetworkConnection(connectionInput, connectionOutput))
{
using (var sw = new StreamWriter(connectionInput, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Protocol: chat, superchat");
sw.WriteLine(@"Sec-WebSocket-Extensions: test-extension;optionA");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
connectionInput.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(connection).Result;
Assert.NotNull(result);
Assert.True((bool)result.IsWebSocketRequest);
Assert.Equal(new Uri("http://example.com"), new Uri(result.Request.Headers[RequestHeader.Origin]));
Assert.Equal((string)"superchat", (string)result.Response.Headers[ResponseHeader.WebSocketProtocol]);
connectionOutput.Seek(0, SeekOrigin.Begin);
var sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 101 Switching Protocols");
sb.AppendLine(@"Upgrade: websocket");
sb.AppendLine(@"Connection: Upgrade");
sb.AppendLine(@"Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=");
sb.AppendLine(@"Sec-WebSocket-Protocol: superchat");
sb.AppendLine(@"Sec-WebSocket-Extensions: test-extension;optionA");
sb.AppendLine();
using (var sr = new StreamReader(connectionOutput))
{
var s = sr.ReadToEnd();
Assert.Equal(sb.ToString(), s);
}
}
}
public void FailWhenBadRequest()
{
var extension = new Mock <IWebSocketMessageExtension>();
extension.Setup(x => x.Name).Returns("test-extension");
var ext = new WebSocketExtension("test-extension", new List <WebSocketExtensionOption>(new[]
{
new WebSocketExtensionOption("optionA")
}));
IWebSocketMessageExtensionContext ctx;
extension.Setup(x => x.TryNegotiate(It.IsAny <WebSocketHttpRequest>(), out ext, out ctx))
.Returns(true);
var factory = new WebSocketFactoryRfc6455();
factory.MessageExtensions.Add(extension.Object);
var factories = new WebSocketFactoryCollection();
factories.Add(factory);
var handshaker = new WebSocketHandshaker(factories, new WebSocketListenerOptions
{
Logger = this.logger,
SubProtocols = new[]
{
"superchat"
}
});
using (var connectionInput = new MemoryStream())
using (var connectionOutput = new MemoryStream())
using (var connection = new DummyNetworkConnection(connectionInput, connectionOutput))
{
using (var sw = new StreamWriter(connectionInput, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Protoco");
}
connectionInput.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(connection).Result;
Assert.NotNull(result);
Assert.False((bool)result.IsWebSocketRequest);
Assert.False((bool)result.IsVersionSupported);
connectionOutput.Seek(0, SeekOrigin.Begin);
var sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 400 Bad Request");
sb.AppendLine(@"Connection: close");
sb.AppendLine();
using (var sr = new StreamReader(connectionOutput))
{
var s = sr.ReadToEnd();
Assert.Equal(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_FailsWhenBadExtensionRequest()
{
var extension = new Mock <IWebSocketMessageExtension>();
extension.Setup(x => x.Name).Returns("test-extension");
WebSocketExtension ext = new WebSocketExtension("test-extension", new List <WebSocketExtensionOption>(new[] { new WebSocketExtensionOption()
{
ClientAvailableOption = false, Name = "optionA"
} }));
IWebSocketMessageExtensionContext ctx;
extension.Setup(x => x.TryNegotiate(It.IsAny <WebSocketHttpRequest>(), out ext, out ctx))
.Returns(true);
var factory = new WebSocketFactoryRfc6455();
factory.MessageExtensions.RegisterExtension(extension.Object);
var factories = new WebSocketFactoryCollection();
factories.RegisterStandard(factory);
WebSocketHandshaker handshaker = new WebSocketHandshaker(factories, new WebSocketListenerOptions()
{
SubProtocols = new[] { "superchat" }
});
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Protocol: chat, superchat");
sw.WriteLine(@"Sec-WebSocket-Extensions: test-extension;;Dsf,,optionA");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.IsTrue(result.IsWebSocketRequest);
Assert.IsTrue(result.IsVersionSupported);
Assert.IsTrue(result.NegotiatedMessageExtensions.Count == 0);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 400 Bad Request");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
public void WebSocketHandshaker_CanNegotiateAnExtension()
{
var extension = new Mock <IWebSocketMessageExtension>();
extension.Setup(x => x.Name).Returns("test-extension");
WebSocketExtension ext = new WebSocketExtension("test-extension");
IWebSocketMessageExtensionContext ctx;
extension.Setup(x => x.TryNegotiate(It.IsAny <WebSocketHttpRequest>(), out ext, out ctx))
.Returns(true);
var factory = new WebSocketFactoryRfc6455();
factory.MessageExtensions.RegisterExtension(extension.Object);
var factories = new WebSocketFactoryCollection();
factories.RegisterStandard(factory);
WebSocketHandshaker handshaker = new WebSocketHandshaker(factories, new WebSocketListenerOptions()
{
SubProtocols = new[] { "superchat" }
});
using (var ms = new MemoryStream())
{
using (var sw = new StreamWriter(ms, Encoding.ASCII, 1024, true))
{
sw.WriteLine(@"GET /chat HTTP/1.1");
sw.WriteLine(@"Host: server.example.com");
sw.WriteLine(@"Upgrade: websocket");
sw.WriteLine(@"Connection: Upgrade");
sw.WriteLine(@"Cookie: key=W9g/8FLW8RAFqSCWBvB9Ag==#5962c0ace89f4f780aa2a53febf2aae5;");
sw.WriteLine(@"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==");
sw.WriteLine(@"Sec-WebSocket-Protocol: chat, superchat");
sw.WriteLine(@"Sec-WebSocket-Extensions: test-extension");
sw.WriteLine(@"Sec-WebSocket-Version: 13");
sw.WriteLine(@"Origin: http://example.com");
}
var position = ms.Position;
ms.Seek(0, SeekOrigin.Begin);
var result = handshaker.HandshakeAsync(ms).Result;
Assert.NotNull(result);
Assert.True(result.IsWebSocketRequest);
Assert.AreEqual(new Uri("http://example.com"), result.Request.Headers.Origin);
Assert.AreEqual("superchat", result.Response.WebSocketProtocol);
ms.Seek(position, SeekOrigin.Begin);
StringBuilder sb = new StringBuilder();
sb.AppendLine(@"HTTP/1.1 101 Switching Protocols");
sb.AppendLine(@"Upgrade: websocket");
sb.AppendLine(@"Connection: Upgrade");
sb.AppendLine(@"Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=");
sb.AppendLine(@"Sec-WebSocket-Protocol: superchat");
sb.AppendLine(@"Sec-WebSocket-Extensions: test-extension");
sb.AppendLine();
using (var sr = new StreamReader(ms))
{
var s = sr.ReadToEnd();
Assert.AreEqual(sb.ToString(), s);
}
}
}
