Testing more garbage encryption

SVSim.EmulatedEntrypoint/Middlewares/SessionidMappingMiddleware.cs

@@ -0,0 +1,30 @@
+using SVSim.EmulatedEntrypoint.Constants;
+using SVSim.EmulatedEntrypoint.Security;
+using SVSim.EmulatedEntrypoint.Services;
+
+namespace SVSim.EmulatedEntrypoint.Middlewares;
+
+/// <summary>
+/// Maps an incoming request's session id to a udid if both are present.
+/// </summary>
+public class SessionidMappingMiddleware : IMiddleware
+{
+    private readonly ShadowverseSessionService _shadowverseSessionService;
+
+    public SessionidMappingMiddleware(ShadowverseSessionService shadowverseSessionService)
+    {
+        _shadowverseSessionService = shadowverseSessionService;
+    }
+
+    public async Task InvokeAsync(HttpContext context, RequestDelegate next)
+    {
+        bool hasSessionId = context.Request.Headers.TryGetValue(NetworkConstants.UdidHeaderName, out var udid);
+        bool hasUdid = context.Request.Headers.TryGetValue(NetworkConstants.SessionIdHeaderName, out var sid);
+        if (hasSessionId && hasUdid)
+        {
+            _shadowverseSessionService.StoreUdidForSessionId(sid.FirstOrDefault(), Guid.Parse(Encryption.Decode(udid.FirstOrDefault())));
+        }
+
+        await next.Invoke(context);
+    }
+}