🐛 Fix websocket gateway, finally

Caddyfile

@@ -0,0 +1,22 @@
+:5002 {
+    @cors_preflight method OPTIONS
+
+    header {
+             Access-Control-Allow-Origin "{header.origin}"
+             Vary Origin
+             Access-Control-Expose-Headers "*"
+             +Access-Control-Allow-Headers "*"
+             +Access-Control-Allow-Headers "Authorization,Content-Type,Accept,User-Agent"
+             Access-Control-Allow-Credentials "true"
+    }
+
+    handle @cors_preflight {
+             header {
+                     Access-Control-Allow-Methods "GET, POST, PUT, PATCH, DELETE"
+                     Access-Control-Max-Age "3600"
+             }
+             respond "" 204
+    }
+
+    reverse_proxy host.docker.internal:5001
+}

DysonNetwork.Ring/Connection/WebSocketService.cs

@@ -149,7 +149,7 @@ public class WebSocketService
                             AccountId = Guid.Parse(currentUser.Id),
                             DeviceId = deviceId,
                             PacketBytes = packet.ToBytes()
-                        }).ToBase64()
+                        }).ToByteArray()
                 );
                 return;
             }

DysonNetwork.Ring/Services/PusherServiceGrpc.cs

@@ -25,12 +25,8 @@ public class RingServiceGrpc(
 
     public override Task<Empty> PushWebSocketPacket(PushWebSocketPacketRequest request, ServerCallContext context)
     {
-        var packet = new Shared.Data.WebSocketPacket
-        {
-            Type = request.Packet.Type,
-            Data = GrpcTypeHelper.ConvertByteStringToObject<Dictionary<string, object?>>(request.Packet.Data),
-            ErrorMessage = request.Packet.ErrorMessage
-        };
+        var packet = Shared.Data.WebSocketPacket.FromProtoValue(request.Packet);
+        
         WebSocketService.SendPacketToAccount(Guid.Parse(request.UserId), packet);
         return Task.FromResult(new Empty());
     }
@@ -38,12 +34,7 @@ public class RingServiceGrpc(
     public override Task<Empty> PushWebSocketPacketToUsers(PushWebSocketPacketToUsersRequest request,
         ServerCallContext context)
     {
-        var packet = new Shared.Data.WebSocketPacket
-        {
-            Type = request.Packet.Type,
-            Data = GrpcTypeHelper.ConvertByteStringToObject<Dictionary<string, object?>>(request.Packet.Data),
-            ErrorMessage = request.Packet.ErrorMessage
-        };
+        var packet = Shared.Data.WebSocketPacket.FromProtoValue(request.Packet);
         
         foreach (var accountId in request.UserIds)
             WebSocketService.SendPacketToAccount(Guid.Parse(accountId), packet);
@@ -54,12 +45,8 @@ public class RingServiceGrpc(
 public override Task<Empty> PushWebSocketPacketToDevice(PushWebSocketPacketToDeviceRequest request,
         ServerCallContext context)
     {
-        var packet = new Shared.Data.WebSocketPacket
-        {
-            Type = request.Packet.Type,
-            Data = GrpcTypeHelper.ConvertByteStringToObject<Dictionary<string, object?>>(request.Packet.Data),
-            ErrorMessage = request.Packet.ErrorMessage
-        };
+        var packet = Shared.Data.WebSocketPacket.FromProtoValue(request.Packet);
+        
         websocket.SendPacketToDevice(request.DeviceId, packet);
         return Task.FromResult(new Empty());
     }
@@ -67,17 +54,10 @@ public override Task<Empty> PushWebSocketPacketToDevice(PushWebSocketPacketToDev
     public override Task<Empty> PushWebSocketPacketToDevices(PushWebSocketPacketToDevicesRequest request,
         ServerCallContext context)
     {
-        var packet = new Shared.Data.WebSocketPacket
-        {
-            Type = request.Packet.Type,
-            Data = GrpcTypeHelper.ConvertByteStringToObject<Dictionary<string, object?>>(request.Packet.Data),
-            ErrorMessage = request.Packet.ErrorMessage
-        };
+        var packet = Shared.Data.WebSocketPacket.FromProtoValue(request.Packet);
         
         foreach (var deviceId in request.DeviceIds)
-        {
             websocket.SendPacketToDevice(deviceId, packet);
-        }
         
         return Task.FromResult(new Empty());
     }

DysonNetwork.Shared/Stream/WebSocketPacketEvent.cs

@@ -4,7 +4,7 @@ public class WebSocketPacketEvent
 {
     public static string Type => "websocket_msg";
 
-    public static string SubjectPrefix = "websocket_";
+    public const string SubjectPrefix = "websocket_";
 
     public Guid AccountId { get; set; }
     public string DeviceId { get; set; } = null!;

DysonNetwork.Sphere/Startup/BroadcastEventHandler.cs

@@ -176,11 +176,14 @@ public class BroadcastEventHandler(
         await foreach (var msg in nats.SubscribeAsync<byte[]>(
                            WebSocketPacketEvent.SubjectPrefix + "sphere", cancellationToken: stoppingToken))
         {
+            logger.LogDebug("Handling websocket packet...");
+            
             try
             {
                 var evt = JsonSerializer.Deserialize<WebSocketPacketEvent>(msg.Data, GrpcTypeHelper.SerializerOptions);
                 if (evt == null) throw new ArgumentNullException(nameof(evt));
                 var packet = WebSocketPacket.FromBytes(evt.PacketBytes);
+                logger.LogInformation("Handling websocket packet... {Type}", packet.Type);
                 switch (packet.Type)
                 {
                     case "messages.read":
@@ -255,12 +258,12 @@ public class BroadcastEventHandler(
         var responsePacket = new WebSocketPacket
         {
             Type = "messages.typing",
-            Data = GrpcTypeHelper.ConvertObjectToByteString(new
+            Data = new
             {
                 room_id = sender.ChatRoomId,
                 sender_id = sender.Id,
                 sender = sender
-            })
+            }
         };
 
         // Broadcast typing indicator to other room members