Got at least one data fetching method working; turns out, we can't use a patched LogicStack to get the data

Vendor/EmbedIO-3.5.2/WebSockets/Internal/WebSocketContext.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Net;
+using System.Security.Principal;
+using System.Threading;
+using EmbedIO.Sessions;
+using EmbedIO.Utilities;
+
+namespace EmbedIO.WebSockets.Internal
+{
+    internal sealed class WebSocketContext : IWebSocketContext
+    {
+        internal WebSocketContext(
+            IHttpContextImpl httpContext,
+            string webSocketVersion, 
+            IEnumerable<string> requestedProtocols,
+            string acceptedProtocol,
+            IWebSocket webSocket,
+            CancellationToken cancellationToken)
+        {
+            Id = UniqueIdGenerator.GetNext();
+            CancellationToken = cancellationToken;
+            HttpContextId = httpContext.Id;
+            Session = httpContext.Session;
+            Items = httpContext.Items;
+            LocalEndPoint = httpContext.LocalEndPoint;
+            RemoteEndPoint = httpContext.RemoteEndPoint;
+            RequestUri = httpContext.Request.Url;
+            Headers = httpContext.Request.Headers;
+            Origin = Headers[HttpHeaderNames.Origin];
+            RequestedProtocols = requestedProtocols;
+            AcceptedProtocol = acceptedProtocol;
+            WebSocketVersion = webSocketVersion;
+            Cookies = httpContext.Request.Cookies;
+            User = httpContext.User;
+            IsAuthenticated = httpContext.User.Identity.IsAuthenticated;
+            IsLocal = httpContext.Request.IsLocal;
+            IsSecureConnection = httpContext.Request.IsSecureConnection;
+            WebSocket = webSocket;
+        }
+
+        /// <inheritdoc />
+        public string Id { get; }
+
+        /// <inheritdoc />
+        public CancellationToken CancellationToken { get; }
+
+        /// <inheritdoc />
+        public string HttpContextId { get; }
+
+        /// <inheritdoc />
+        public ISessionProxy Session { get; }
+
+        /// <inheritdoc />
+        public IDictionary<object, object> Items { get; }
+
+        /// <inheritdoc />
+        public IPEndPoint LocalEndPoint { get; }
+
+        /// <inheritdoc />
+        public IPEndPoint RemoteEndPoint { get; }
+
+        /// <inheritdoc />
+        public Uri RequestUri { get; }
+
+        /// <inheritdoc />
+        public NameValueCollection Headers { get; }
+
+        /// <inheritdoc />
+        public string Origin { get; }
+
+        /// <inheritdoc />
+        public IEnumerable<string> RequestedProtocols { get; }
+
+        /// <inheritdoc />
+        public string AcceptedProtocol { get; }
+
+        /// <inheritdoc />
+        public string WebSocketVersion { get; }
+
+        /// <inheritdoc />
+        public ICookieCollection Cookies { get; }
+
+        /// <inheritdoc />
+        public IPrincipal User { get; }
+
+        /// <inheritdoc />
+        public bool IsAuthenticated { get; }
+
+        /// <inheritdoc />
+        public bool IsLocal { get; }
+
+        /// <inheritdoc />
+        public bool IsSecureConnection { get; }
+
+        /// <inheritdoc />
+        public IWebSocket WebSocket { get; }
+    }
+}