chore: update mod to 1.21.5

.github/workflows/deploy.yml

@@ -20,8 +20,8 @@ jobs:
           sudo apt-get update
           sudo apt-get install sshpass
       - name: Stop the realms server for the deployment
-        run: sshpass -p '${{ secrets.VPS_PASSWORD }}' ssh -o StrictHostKeyChecking=no cyber@my-mc.link "pm2 stop 0"
+        run: sshpass -p '${{ secrets.VPS_PASSWORD }}' ssh -o StrictHostKeyChecking=no ${{ secrets.VPS_HOST }} -p ${{ secrets.VPS_PORT }} "pm2 stop 0"
       - name: Deploy compiled binary and dll files to server
-        run: sshpass -p '${{ secrets.VPS_PASSWORD }}' scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -r MyMcRealms/bin/Release/net8.0/linux-arm64/publish/* cyber@my-mc.link:/home/cyber/MyMcRealms
+        run: sshpass -p '${{ secrets.VPS_PASSWORD }}' scp -P ${{ secrets.VPS_PORT }} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -r MyMcRealms/bin/Release/net8.0/linux-arm64/publish/* ${{ secrets.VPS_HOST }}:/home/cyber/MyMcRealms
       - name: Start the realms server again
-        run: sshpass -p '${{ secrets.VPS_PASSWORD }}' ssh -o StrictHostKeyChecking=no cyber@my-mc.link "pm2 start 0"
+        run: sshpass -p '${{ secrets.VPS_PASSWORD }}' ssh -o StrictHostKeyChecking=no ${{ secrets.VPS_HOST }} -p ${{ secrets.VPS_PORT }} "pm2 start 0"

Gamemode.cs

@@ -0,0 +1,8 @@
+using System;
+
+public enum Gamemode
+{
+	survival,
+	creative,
+	adventure
+}

MyMcRealms/Attributes/CheckRealmOwnerAttribute.cs

@@ -0,0 +1,11 @@
+namespace MyMcRealms.Attributes
+{
+    [AttributeUsage(AttributeTargets.Method)]
+    public class CheckRealmOwnerAttribute : Attribute
+    {
+        public bool IsRealmOwner(string playerUUID, string ownerUUID)
+        {
+            return playerUUID == ownerUUID;
+        }
+    }
+}

MyMcRealms/Compatibility.cs

@@ -1,9 +0,0 @@
-namespace MyMcRealms
-{
-    public enum Compatility
-    {
-        COMPATIBLE,
-        OTHER,
-        OUTDATED
-    }
-}

MyMcRealms/Controllers/ActivitiesController.cs

@@ -0,0 +1,65 @@
+using Microsoft.AspNetCore.Mvc;
+using MyMcRealms.Attributes;
+using MyMcRealms.Helpers;
+using MyMcRealms.MyMcAPI;
+using MyMcRealms.Responses;
+using Newtonsoft.Json;
+
+namespace MyMcRealms.Controllers
+{
+    [Route("[controller]")]
+    [ApiController]
+    [RequireMinecraftCookie]
+    public class ActivitiesController : ControllerBase
+    {
+        [HttpGet("liveplayerlist")]
+        public async Task<ActionResult<LivePlayerListsResponse>> GetLivePlayerList()
+        {
+            string cookie = Request.Headers.Cookie;
+            string playerUUID = cookie.Split(";")[0].Split(":")[2];
+
+            List<LivePlayerList> lists = [];
+
+            var allServers = await new Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY")).GetAllServers();
+
+            foreach (var world in allServers.Servers)
+            {
+                if (world.WhitelistEnable && !(world.Whitelist.Any(p => p.Uuid.Replace("-", "") == playerUUID) || world.Ops.Any(p => p.Uuid.Replace("-", "") == playerUUID)))
+                {
+                    continue;
+                }
+
+                var query = new MinecraftServerQuery().Query(world.Connect);
+
+                if (query == null) continue;
+
+                List<object> players = [];
+
+                if (query.Players.Sample == null) continue;
+
+                foreach (var player in query.Players.Sample)
+                {
+                    players.Add(new
+                    {
+                        playerId = player.Id.Replace("-", ""),
+                    });
+                }
+
+                LivePlayerList list = new()
+                {
+                    ServerId = allServers.Servers.IndexOf(world),
+                    PlayerList = JsonConvert.SerializeObject(players),
+                };
+
+                lists.Add(list);
+            };
+
+            LivePlayerListsResponse response = new()
+            {
+                Lists = lists
+            };
+
+            return Ok(response);
+        }
+    }
+}

MyMcRealms/Controllers/InvitesController.cs

@@ -2,6 +2,7 @@
 using MyMcRealms.Responses;
 using MyMcRealms.Attributes;
 using MyMcRealms.Requests;
+using Minecraft_Realms_Emulator.Responses;
 
 namespace MyMcRealms.Controllers
 {
@@ -11,6 +12,7 @@ namespace MyMcRealms.Controllers
     public class InvitesController : ControllerBase
     {
         [HttpPost("{wId}")]
+        [CheckRealmOwner]
         public async Task<ActionResult<WorldResponse>> InvitePlayer(int wId, PlayerRequest body)
         {
             string cookie = Request.Headers.Cookie;
@@ -21,7 +23,16 @@ namespace MyMcRealms.Controllers
             var _api = new MyMcAPI.Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY"));
             var world = (await _api.GetAllServers()).Servers[wId];
 
-            if (world == null) return NotFound("World not found");
+            if (world == null)
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 404,
+                    ErrorMsg = "World not found"
+                };
+
+                return NotFound(errorResponse);
+            }
             
             var api = new MyMcAPI.Wrapper(world.OwnersToken);
             var whitelist = await api.GetWhitelist();
@@ -29,7 +40,16 @@ namespace MyMcRealms.Controllers
             // Get player name
             var playerInfo = await new HttpClient().GetFromJsonAsync<MinecraftPlayerResponse>($"https://api.mojang.com/users/profiles/minecraft/{body.Name}");
 
-            if (whitelist.Result.Any(p => p.Name == body.Name)) return BadRequest("Player already whitelisted");
+            if (whitelist.Result.Any(p => p.Name == body.Name))
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 400,
+                    ErrorMsg = "Player already whitelisted"
+                };
+
+                return BadRequest(errorResponse);
+            }
 
             api.ExecuteCommand($"whitelist add {body.Name}");
 
@@ -88,12 +108,22 @@ namespace MyMcRealms.Controllers
         }
 
         [HttpDelete("{wId}/invite/{uuid}")]
+        [CheckRealmOwner]
         public async Task<ActionResult<bool>> DeleteInvite(int wId, string uuid)
         {
             var _api = new MyMcAPI.Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY"));
             var world = (await _api.GetAllServers()).Servers[wId];
 
-            if (world == null) return NotFound("World not found");
+            if (world == null)
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 404,
+                    ErrorMsg = "World not found"
+                };
+
+                return NotFound(errorResponse);
+            }
 
             var api = new MyMcAPI.Wrapper(world.OwnersToken);
             var whitelist = await api.GetWhitelist();
@@ -103,7 +133,16 @@ namespace MyMcRealms.Controllers
             // Get player name
             var playerInfo = await new HttpClient().GetFromJsonAsync<MinecraftPlayerResponse>($"https://sessionserver.mojang.com/session/minecraft/profile/{uuid}");
 
-            if (!whitelist.Result.Any(p => p.Uuid.Replace("-", "") == uuid)) return BadRequest("Player not whitelisted");
+            if (!whitelist.Result.Any(p => p.Uuid.Replace("-", "") == uuid))
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 400,
+                    ErrorMsg = "Player not whitelisted"
+                };
+
+                return BadRequest(errorResponse);
+            }
 
             api.ExecuteCommand($"whitelist remove {player.Name}");
 
@@ -113,7 +152,13 @@ namespace MyMcRealms.Controllers
         [HttpDelete("{wId}")]
         public ActionResult<string> LeaveRealms(int wId)
         {
-            return BadRequest("You wish lmao");
+            ErrorResponse errorResponse = new()
+            {
+                ErrorCode = 400,
+                ErrorMsg = "You wish lmao"
+            };
+
+            return BadRequest(errorResponse);
         }
     }
 }

MyMcRealms/Controllers/McoController.cs

@@ -18,7 +18,7 @@ namespace MyMcRealms.Controllers
         [HttpGet("client/compatible")]
         public string GetCompatible()
         {
-            return Compatility.COMPATIBLE.ToString();
+            return "COMPATIBLE";
         }
 
         [HttpGet("v1/news")]
@@ -26,7 +26,7 @@ namespace MyMcRealms.Controllers
         {
             var news = new NewsResponse
             {
-                NewsLink = "https://github.com/CyberL1/Minecraft-Realms-Emulator",
+                NewsLink = "https://github.com/CyberL1/MyMcRealms",
             };
 
             return news;

MyMcRealms/Controllers/OpsController.cs

@@ -10,6 +10,7 @@ namespace MyMcRealms.Controllers
     public class OpsController : ControllerBase
     {
         [HttpPost("{wId}/{uuid}")]
+        [CheckRealmOwner]
         public async Task<ActionResult<OpsResponse>> OpPlayer(int wId, string uuid)
         {
             var _api = new MyMcAPI.Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY"));
@@ -40,6 +41,7 @@ namespace MyMcRealms.Controllers
         }
 
         [HttpDelete("{wId}/{uuid}")]
+        [CheckRealmOwner]
         public async Task<ActionResult<OpsResponse>> DeopPlayerAsync(int wId, string uuid)
         {
             var _api = new MyMcAPI.Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY"));

MyMcRealms/Controllers/SubscriptionsController.cs

@@ -1,4 +1,5 @@
 using Microsoft.AspNetCore.Mvc;
+using Minecraft_Realms_Emulator.Responses;
 using MyMcRealms.Attributes;
 
 namespace Minecraft_Realms_Emulator.Controllers
@@ -8,10 +9,17 @@ namespace Minecraft_Realms_Emulator.Controllers
     [RequireMinecraftCookie]
     public class SubscriptionsController : ControllerBase
     {
-        [HttpGet("{id}")]
-        public ActionResult<string> GetSubscription(int id)
+        [HttpGet("{wId}")]
+        [CheckRealmOwner]
+        public ActionResult<string> GetSubscription(int wId)
         {
-            return BadRequest("No subscription for you :(");
+            ErrorResponse errorResponse = new()
+            {
+                ErrorCode = 400,
+                ErrorMsg = "No subscription for you :("
+            };
+
+            return BadRequest(errorResponse);
         }
     }
 }

MyMcRealms/Controllers/TrialController.cs

@@ -8,8 +8,8 @@ namespace MyMcRealms.Controllers
     [RequireMinecraftCookie]
     public class TrialController : ControllerBase
     {
-        [HttpGet(Name = "GetTrial")]
-        public bool Get() {
+        [HttpGet]
+        public bool GetTrial() {
             return false;
         }
     }

MyMcRealms/Controllers/WorldsController.cs

@@ -1,7 +1,9 @@
 using Microsoft.AspNetCore.Mvc;
+using Minecraft_Realms_Emulator.Responses;
 using MyMcRealms.Attributes;
 using MyMcRealms.MyMcAPI.Responses;
 using MyMcRealms.Responses;
+using Newtonsoft.Json;
 using Semver;
 
 namespace MyMcRealms.Controllers
@@ -38,13 +40,33 @@ namespace MyMcRealms.Controllers
 
                     bool isOlderVersion = SemVersion.Parse(gameVerision, SemVersionStyles.OptionalPatch).ComparePrecedenceTo(SemVersion.Parse("1.20.3", SemVersionStyles.OptionalPatch)) < 0;
 
-                    bool isCompatibleOnOlderVersions = isOlderVersion && !isCompatible.StartsWith("NEEDS_");
+                    bool isCompatibleOnOlderVersions = isOlderVersion && isCompatible == "COMPATIBLE";
                     bool isBanned = world.Banlist.Any(p => p.Name == playerName);
 
-                    string worldOwnerName = world.Ops.ToArray().Length == 0 ? "Owner" : world.Ops[0].Name;
-                    string worldOwnerUuid = world.Ops.ToArray().Length == 0 ? "069a79f444e94726a5befca90e38aaf5" : world.Ops[0].Uuid;
+                    string worldOwnerName = world.Ops.ToArray().Length == 0 ? "Not claimed" : world.Ops[0].Name;
+                    string worldOwnerUuid = world.Ops.ToArray().Length == 0 ? "069a79f444e94726a5befca90e38aaf5" : world.Ops[0].Uuid.Replace("-", "");
                     string worldName = world.Ops.ToArray().Length == 0 ? world.ServerName : $"{world.Ops[0].Name}'s server";
-                    string worldState = isCompatibleOnOlderVersions || !isBanned ? "OPEN" : "CLOSED";
+                    string worldState = !isBanned ? "OPEN" : "CLOSED";
+
+                    if (isOlderVersion && !isCompatibleOnOlderVersions)
+                    {
+                        worldState = "CLOSED";
+                    }
+
+                    if (SemVersion.Parse(gameVerision, SemVersionStyles.OptionalPatch).ComparePrecedenceTo(SemVersion.Parse("1.19.4", SemVersionStyles.OptionalPatch)) < 0)
+                    {
+                        if (world.Motd.Length > 32)
+                        {
+                            world.Motd = world.Motd.Remove(32); // Pre 1.19.4 MOTD limit
+                        }
+                    }
+                    else
+                    {
+                        if (world.Motd.Length > 52)
+                        {
+                            world.Motd = world.Motd.Remove(52); // Post 1.19.4 MOTD limit
+                        }
+                    }
 
                     WorldResponse response = new()
                     {
@@ -52,7 +74,8 @@ namespace MyMcRealms.Controllers
                         Owner = worldOwnerName,
                         OwnerUUID = worldOwnerUuid,
                         Name = worldName,
-                        Motd = world.Motd,
+                        Motd = world.Motd.Replace("<22>", "§").Replace("&", "§"),
+                        IsHardcore = world.Hardcore,
                         State = worldState,
                         WorldType = "NORMAL",
                         MaxPlayers = 10,
@@ -68,11 +91,15 @@ namespace MyMcRealms.Controllers
                         ActiveVersion = world.GameVersion
                     };
 
+                    if (world.Gamemode == "survival") response.GameMode = 0;
+                    if (world.Gamemode == "creative") response.GameMode = 1;
+                    if (world.Gamemode == "adventure") response.GameMode = 2;
+
                     allWorlds.Add(response);
                 }
             }
 
-                ServersResponse servers = new()
+            ServersResponse servers = new()
             {
                 Servers = allWorlds
             };
@@ -80,21 +107,31 @@ namespace MyMcRealms.Controllers
             return Ok(servers);
         }
 
-        [HttpGet("{id}")]
-        public async Task<ActionResult<WorldResponse>> GetWorldById(int id)
+        [HttpGet("{wId}")]
+        [CheckRealmOwner]
+        public async Task<ActionResult<WorldResponse>> GetWorldById(int wId)
         {
             var _api = new MyMcAPI.Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY"));
 
-            var world = (await _api.GetAllServers()).Servers[id];
+            var world = (await _api.GetAllServers()).Servers[wId];
 
             var api = new MyMcAPI.Wrapper(world.OwnersToken);
             var whitelist = await api.GetWhitelist();
 
-            if (whitelist == null) return BadRequest($"Cannot get data for world {id}");
+            if (whitelist == null)
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 400,
+                    ErrorMsg = $"Cannot get data for world {wId}"
+                };
 
-            string worldOwnerName = world.Ops.ToArray().Length == 0 ? "Owner" : world.Ops[0].Name;
-            string worldOwnerUuid = world.Ops.ToArray().Length == 0 ? "069a79f444e94726a5befca90e38aaf5" : world.Ops[0].Uuid;
-            string worldName = world.Ops.ToArray().Length == 0 ? world.ServerName : $"{world.Ops[0].Name}'s server";
+                return BadRequest(errorResponse);
+            }
+
+            string worldOwnerName = world.Ops[0].Name;
+            string worldOwnerUuid = world.Ops[0].Uuid;
+            string worldName = $"{world.Ops[0].Name}'s server";
             List<PlayerResponse> whitelistedPlayers = [];
 
             foreach (var player in whitelist.Result)
@@ -112,13 +149,20 @@ namespace MyMcRealms.Controllers
                 whitelistedPlayers.Add(whitelistedPlayer);
             }
 
+            string cookie = Request.Headers.Cookie;
+            string gameVerision = cookie.Split(";")[2].Split("=")[1];
+
+            int versionsCompared = SemVersion.Parse(gameVerision, SemVersionStyles.OptionalPatch).ComparePrecedenceTo(SemVersion.Parse(world.GameVersion, SemVersionStyles.OptionalPatch));
+            string isCompatible = versionsCompared == 0 ? "COMPATIBLE" : versionsCompared < 0 ? "NEEDS_DOWNGRADE" : "NEEDS_UPGRADE";
+
             WorldResponse response = new()
             {
-                Id = id,
+                Id = wId,
                 Owner = worldOwnerName,
                 OwnerUUID = worldOwnerUuid,
                 Name = worldName,
-                Motd = world.Motd,
+                Motd = world.Motd.Replace("<22>", "§"),
+                IsHardcore = world.Hardcore,
                 State = whitelist.Enabled ? "CLOSED" : "OPEN",
                 WorldType = "NORMAL",
                 MaxPlayers = 10,
@@ -131,48 +175,99 @@ namespace MyMcRealms.Controllers
                 DaysLeft = 7,
                 Expired = false,
                 ExpiredTrial = false,
-                ActiveVersion = world.GameVersion
+                ActiveVersion = world.GameVersion,
+                Slots =
+                [
+                    new()
+                    {
+                        SlotId = 1,
+                        Options = JsonConvert.SerializeObject(new
+                        {
+                            slotName = "my-mc.link",
+                            version = world.GameVersion,
+                            compatibility = isCompatible,
+                        })
+                    }
+                ]
             };
 
+            if (world.Gamemode == "survival") response.GameMode = 0;
+            if (world.Gamemode == "creative") response.GameMode = 1;
+            if (world.Gamemode == "adventure") response.GameMode = 2;
+
             return Ok(response);
         }
 
         [HttpPost("{wId}")]
+        [CheckRealmOwner]
         public ActionResult<string> UpdateRealms(int wId)
         {
-            return BadRequest("You can change the MOTD trough server.properties file");
+            ErrorResponse errorResponse = new()
+            {
+                ErrorCode = 400,
+                ErrorMsg = "You can change the MOTD trough server.properties file"
+            };
+
+            return BadRequest(errorResponse);
         }
 
         [HttpPost("{wId}/reset")]
-        public ActionResult<string> ChangeSlot(int id)
+        [CheckRealmOwner]
+        public ActionResult<string> ChangeSlot(int wId)
         {
-            return BadRequest("lol nice try");
+            ErrorResponse errorResponse = new()
+            {
+                ErrorCode = 400,
+                ErrorMsg = "lol nice try"
+            };
+
+            return BadRequest(errorResponse);
         }
 
-        [HttpPut("{id}/open")]
-        public async Task<ActionResult<bool>> Open(int id)
+        [HttpPut("{wId}/open")]
+        [CheckRealmOwner]
+        public async Task<ActionResult<bool>> Open(int wId)
         {
             var _api = new MyMcAPI.Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY"));
 
-            var world = (await _api.GetAllServers()).Servers[id];
+            var world = (await _api.GetAllServers()).Servers[wId];
             var api = new MyMcAPI.Wrapper(world.OwnersToken);
 
-            if (world == null) return NotFound("World not found");
+            if (world == null)
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 404,
+                    ErrorMsg = "World not found"
+                };
+
+                return NotFound(errorResponse);
+            }
 
             api.ExecuteCommand("whitelist off");
 
             return Ok(true);
         }
 
-        [HttpPut("{id}/close")]
-        public async Task<ActionResult<bool>> Close(int id)
+        [HttpPut("{wId}/close")]
+        [CheckRealmOwner]
+        public async Task<ActionResult<bool>> Close(int wId)
         {
             var _api = new MyMcAPI.Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY"));
 
-            var world = (await _api.GetAllServers()).Servers[id];
+            var world = (await _api.GetAllServers()).Servers[wId];
             var api = new MyMcAPI.Wrapper(world.OwnersToken);
 
-            if (world == null) return NotFound("World not found");
+            if (world == null)
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 404,
+                    ErrorMsg = "World not found"
+                };
+
+                return NotFound(errorResponse);
+            }
 
             api.ExecuteCommand("whitelist on");
 
@@ -180,15 +275,29 @@ namespace MyMcRealms.Controllers
         }
 
         [HttpPost("{wId}/slot/{sId}")]
+        [CheckRealmOwner]
         public ActionResult<string> UpdateSlot(int wId, int sId)
         {
-            return BadRequest("no.");
+            ErrorResponse errorResponse = new()
+            {
+                ErrorCode = 400,
+                ErrorMsg = "no."
+            };
+
+            return BadRequest(errorResponse);
         }
 
         [HttpGet("{wId}/slot/{sId}/download")]
+        [CheckRealmOwner]
         public ActionResult<string> GetBackups(int wId, int sId)
         {
-            return BadRequest("Wouldn't it be nice if you could download your world to singleplayer? Well I think that too");
+            ErrorResponse errorResponse = new()
+            {
+                ErrorCode = 400,
+                ErrorMsg = "Wouldn't it be nice if you could download your world to singleplayer? Well I think that too"
+            };
+
+            return BadRequest(errorResponse);
         }
 
         [HttpGet("v1/{wId}/join/pc")]

MyMcRealms/Helpers/MinercraftServerQuery.cs

@@ -0,0 +1,98 @@
+using MyMcRealms.Responses;
+using Newtonsoft.Json;
+using System.Net.Sockets;
+using System.Text;
+
+namespace MyMcRealms.Helpers
+{
+    public class MinecraftServerQuery
+    {
+        public MinecraftServerQueryRepsonse? Query(string address)
+        {
+            string server = address.Split(':')[0];
+            int port = address.Contains(':') ? int.Parse(address.Split(':')[1]) : 25565;
+
+            try
+            {
+                using (TcpClient client = new())
+                {
+                    client.Connect(server, port);
+
+                    using (NetworkStream stream = client.GetStream())
+                    using (BinaryWriter writer = new(stream))
+                    using (BinaryReader reader = new(stream))
+                    {
+                        // Send Handshake packet (https://wiki.vg/Protocol#Handshake)
+                        byte[] handshakePacket = CreateHandshakePacket(server, port);
+                        writer.Write((byte)handshakePacket.Length); // Packet length
+                        writer.Write(handshakePacket); // Packet data
+
+                        // Send Status Request packet (https://wiki.vg/Protocol#Request)
+                        writer.Write((byte)0x01); // Packet length
+                        writer.Write((byte)0x00); // Packet ID (Request)
+
+                        // Read the response length
+                        int length = ReadVarInt(reader);
+                        // Read the response packet ID
+                        int packetId = ReadVarInt(reader);
+                        if (packetId != 0x00) throw new Exception("Invalid packet ID");
+
+                        // Read the JSON length
+                        int jsonLength = ReadVarInt(reader);
+                        // Read the JSON response
+                        byte[] jsonData = reader.ReadBytes(jsonLength);
+                        string json = Encoding.UTF8.GetString(jsonData);
+
+                        return JsonConvert.DeserializeObject<MinecraftServerQueryRepsonse>(json);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Error: " + ex.Message);
+                return null;
+            }
+        }
+
+        private static byte[] CreateHandshakePacket(string server, int port)
+        {
+            using (MemoryStream ms = new MemoryStream())
+            {
+                using (BinaryWriter writer = new BinaryWriter(ms))
+                {
+                    WriteVarInt(writer, 0x00); // Packet ID (Handshake)
+                    WriteVarInt(writer, 754); // Protocol version (754 for Minecraft 1.16.5)
+                    WriteVarInt(writer, server.Length); // Server address length
+                    writer.Write(Encoding.UTF8.GetBytes(server)); // Server address
+                    writer.Write((ushort)port); // Server port
+                    WriteVarInt(writer, 1); // Next state (1 for status)
+
+                    return ms.ToArray();
+                }
+            }
+        }
+
+        private static int ReadVarInt(BinaryReader reader)
+        {
+            int value = 0;
+            int size = 0;
+            int b;
+            while (((b = reader.ReadByte()) & 0x80) == 0x80)
+            {
+                value |= (b & 0x7F) << (size++ * 7);
+                if (size > 5) throw new Exception("VarInt is too big");
+            }
+            return value | (b << (size * 7));
+        }
+
+        private static void WriteVarInt(BinaryWriter writer, int value)
+        {
+            while ((value & 0xFFFFFF80) != 0)
+            {
+                writer.Write((byte)((value & 0x7F) | 0x80));
+                value >>= 7;
+            }
+            writer.Write((byte)(value & 0x7F));
+        }
+    }
+}

MyMcRealms/Middlewares/CheckRealmOwnerMiddleware.cs

@@ -0,0 +1,68 @@
+using Minecraft_Realms_Emulator.Responses;
+using MyMcRealms.Attributes;
+using MyMcRealms.MyMcAPI.Responses;
+
+namespace Minecraft_Realms_Emulator.Middlewares
+{
+    public class CheckRealmOwnerMiddleware(RequestDelegate next)
+    {
+        private readonly RequestDelegate _next = next;
+
+        public async Task Invoke(HttpContext httpContext)
+        {
+            var endpoint = httpContext.GetEndpoint();
+            var attribute = endpoint?.Metadata.GetMetadata<CheckRealmOwnerAttribute>();
+
+            if (attribute == null)
+            {
+                await _next(httpContext);
+                return;
+            }
+
+            string playerUUID = httpContext.Request.Headers.Cookie.ToString().Split(";")[0].Split(":")[2];
+
+            var servers = await new MyMcRealms.MyMcAPI.Wrapper(Environment.GetEnvironmentVariable("MYMC_API_KEY")).GetAllServers();
+            Server server = servers.Servers.Find(s => servers.Servers.IndexOf(s) == int.Parse(httpContext.Request.RouteValues["wId"].ToString()));
+
+            if (server == null)
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 404,
+                    ErrorMsg = "World not found"
+                };
+
+                httpContext.Response.StatusCode = 404;
+                await httpContext.Response.WriteAsJsonAsync(errorResponse);
+                return;
+            }
+
+            if (server.Ops.Count == 0) {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 403,
+                    ErrorMsg = "This world isn't owned by anyone"
+                };
+
+                httpContext.Response.StatusCode = 403;
+                await httpContext.Response.WriteAsJsonAsync(errorResponse);
+                return;
+            }
+
+            if (!attribute.IsRealmOwner(playerUUID, server.Ops[0].Uuid.Replace("-", "")))
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 403,
+                    ErrorMsg = "You don't own this world"
+                };
+
+                httpContext.Response.StatusCode = 403;
+                await httpContext.Response.WriteAsJsonAsync(errorResponse);
+                return;
+            }
+
+            await _next(httpContext);
+        }
+    }
+}

MyMcRealms/MyMcAPI/Responses/AllServersResponse.cs

@@ -18,6 +18,8 @@
         public List<Whitelist> Whitelist { get; set; } = null!;
         public bool WhitelistEnable { get; set; }
         public string OwnersToken { get; set; } = string.Empty;
+        public string Gamemode { get; set; } = null!;
+        public bool Hardcore { get; set; }
     }
 
     public class Op

MyMcRealms/MyMcRealms.csproj

@@ -8,16 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="DotNetEnv" Version="3.0.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.4" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.4">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
+    <PackageReference Include="DotNetEnv" Version="3.1.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.2" />
     <PackageReference Include="Semver" Version="2.3.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.8.0" />
   </ItemGroup>
 
 </Project>

MyMcRealms/Program.cs

@@ -1,4 +1,5 @@
 using Microsoft.Extensions.FileProviders;
+using Minecraft_Realms_Emulator.Middlewares;
 using MyMcRealms.Middlewares;
 
 var builder = WebApplication.CreateBuilder(args);
@@ -28,6 +29,7 @@ if (app.Environment.IsDevelopment())
 }
 
 app.UseMiddleware<MinecraftCookieMiddleware>();
+app.UseMiddleware<CheckRealmOwnerMiddleware>();
 
 app.MapControllers();
 app.UseStaticFiles();

MyMcRealms/Responses/ErrorResponse.cs

@@ -0,0 +1,8 @@
+namespace Minecraft_Realms_Emulator.Responses
+{
+    public class ErrorResponse
+    {
+        public int ErrorCode { get; set; }
+        public string ErrorMsg { get; set; } = string.Empty;
+    }
+}

MyMcRealms/Responses/LivePlayerListsResponse.cs

@@ -0,0 +1,13 @@
+namespace MyMcRealms.Responses
+{
+    public class LivePlayerListsResponse
+    {
+        public List<LivePlayerList> Lists { get; set; } = [];
+    }
+
+    public class LivePlayerList
+    {
+        public int ServerId { get; set; }
+        public string PlayerList { get; set; } = null!;
+    }
+}

MyMcRealms/Responses/MinecraftSeerverQueryResponse.cs

@@ -0,0 +1,29 @@
+namespace MyMcRealms.Responses
+{
+    public class MinecraftServerQueryRepsonse
+    {
+        public MinecraftServerQueryVersionObject Version { get; set; } = null!;
+        public bool EnforcesSecureChat { get; set; }
+        public string Description { get; set; } = null!;
+        public MinecraftServerQueryPlayersObject Players { get; set; } = null!;
+    }
+
+    public class MinecraftServerQueryVersionObject
+    {
+        public string Name { get; set; } = null!;
+        public string Protocol { get; set; } = null!;
+    }
+
+    public class MinecraftServerQueryPlayersObject
+    {
+        public int Max { get; set; }
+        public int Online { get; set; }
+        public List<MinecraftServerQueryPlayersSampleObject> Sample { get; set; } = null!;
+    }
+
+    public class MinecraftServerQueryPlayersSampleObject
+    {
+        public string Id { get; set; } = null!;
+        public string Name { get; set; } = null!;
+    }
+}

MyMcRealms/Responses/SlotResponse.cs

@@ -0,0 +1,14 @@
+namespace MyMcRealms.Responses
+{
+    public class SlotResponse
+    {
+        public int SlotId { get; set; }
+        public SlotSettingsResponse Settings { get; set; } = null!;
+        public string Options { get; set; } = null!;
+
+        public SlotResponse()
+        {
+            Settings = new SlotSettingsResponse();
+        }
+    }
+}

MyMcRealms/Responses/SlotSettingsResponse.cs

@@ -0,0 +1,7 @@
+namespace MyMcRealms.Responses
+{
+    public class SlotSettingsResponse
+    {
+        public bool Hardcore = false;
+    }
+}

MyMcRealms/Responses/WorldResponse.cs

@@ -1,15 +1,14 @@
-using System.Text.Json;
-
-namespace MyMcRealms.Responses
+namespace MyMcRealms.Responses
 {
     public class WorldResponse
     {
         public int Id { get; set; }
-        //        public Subscription? Subscription { get; set; }
         public string? Owner { get; set; }
         public string? OwnerUUID { get; set; }
         public string? Name { get; set; }
         public string? Motd { get; set; }
+        public int GameMode { get; set; }
+        public bool IsHardcore { get; set; }
         public string State { get; set; } = "OPEN";
         public string WorldType { get; set; } = "NORMAL";
         public List<PlayerResponse> Players { get; set; } = [];
@@ -18,7 +17,7 @@ namespace MyMcRealms.Responses
         public int? MinigameId { get; set; }
         public string? MinigameImage { get; set; }
         public int ActiveSlot { get; set; } = 1;
-        public JsonDocument[] Slots { get; set; } = [];
+        public List<SlotResponse> Slots { get; set; } = [];
         public bool Member { get; set; } = false;
         public string RemoteSubscriptionId { get; set; } = Guid.NewGuid().ToString();
         public int DaysLeft { get; set; } = 30;