public override void OnActionExecuting(ActionExecutingContext filterContext)
{
//TODO: fix this hack
filterContext.HttpContext.Response.Content = new HttpStringContent(" ");
if (filterContext.HttpContext.RouteUri == null)
{
filterContext.Result = new HttpStatusCodeResult(HttpStatusCode.BadRequest, "Bad Request");
return;
}
if (this.Request.Headers.Contains(new KeyValuePair<string, string>("Upgrade", "Websocket")) &&
this.Request.Headers.Contains(new KeyValuePair<string, string>("Connection", "Upgrade")))
{
string webSocketVersion;
this.Request.Headers.TryGetValue("Sec-WebSocket-Version", out webSocketVersion);
if (webSocketVersion != "13")
{
filterContext.Result = new HttpStatusCodeResult(HttpStatusCode.BadRequest, "Invalid Websocket Version");
return;
}
string webSocketKey;
if (this.Request.Headers.TryGetValue("Sec-WebSocket-Key", out webSocketKey))
{
filterContext.HttpContext.Response.Headers.Add("Upgrade", "Websocket");
filterContext.HttpContext.Response.Headers.Add("Sec-WebSocket-Accept", WebSocketUtils.HashWebSocketKey(webSocketKey));
filterContext.HttpContext.Response.Headers.Add("Sec-WebSocket-Location", "ws://localhost:8181/websession");
string webSocketOrigin;
this.Request.Headers.TryGetValue("Sec-WebSocket-Origin", out webSocketOrigin);
if (webSocketOrigin != null)
filterContext.HttpContext.Response.Headers.Add("Sec-WebSocket-Origin", webSocketOrigin);
filterContext.Result = new HttpStatusCodeResult(HttpStatusCode.SwitchingProtocols, "WebSocket Protocol Handshake");
base.OnActionExecuting(filterContext);
}
}
}
public virtual void OnActionExecuting(ActionExecutingContext filterContext)
{
}