Harden client mod config loading

Fixes #24 by making the December client mod read the MelonLoader UserData directory directly when available and by accepting config keys case-insensitively.

DorkNet.ClientMod/Mod.cs

@@ -610,17 +610,7 @@ public class Mod : MelonMod
     {
         try
         {
-            // Compute the UserData path ourselves rather than calling
-            // MelonLoader.MelonUtils.UserDataDirectory (which is renamed
-            // to MelonEnvironment.UserDataDirectory in newer 0.6.x builds
-            // and shifts again in 0.7.x). Anchoring off the mod DLL's
-            // location keeps this stable across versions: the DLL lives
-            // in <game>/Mods/, so two dirname()'s reach the game root,
-            // then MelonLoader/UserData/ is right next to it.
-            var modDll = Assembly.GetExecutingAssembly().Location;
-            var modsDir = Path.GetDirectoryName(modDll) ?? string.Empty;
-            var gameDir = Path.GetDirectoryName(modsDir) ?? string.Empty;
-            var userData = Path.Combine(gameDir, "MelonLoader", "UserData");
+            var userData = ResolveUserDataDirectory();
             Directory.CreateDirectory(userData);
             DiagnosticsLogPath = Path.Combine(userData, "dorknet-diagnostics.log");
             var path = Path.Combine(userData, "dorknet-clientmod.json");
@@ -631,21 +621,21 @@ public class Mod : MelonMod
             }
             var doc = JsonDocument.Parse(File.ReadAllText(path));
             var r = doc.RootElement;
-            if (r.TryGetProperty("ServerHost", out var v))           Cfg.ServerHost = v.GetString() ?? Cfg.ServerHost;
-            if (r.TryGetProperty("PhotonAppId", out v))              Cfg.PhotonAppId = v.GetString() ?? Cfg.PhotonAppId;
-            if (r.TryGetProperty("PhotonVoiceAppId", out v))         Cfg.PhotonVoiceAppId = v.GetString() ?? Cfg.PhotonVoiceAppId;
-            if (r.TryGetProperty("PhotonCloudRegion", out v))        Cfg.PhotonCloudRegion = v.GetString() ?? Cfg.PhotonCloudRegion;
-            if (r.TryGetProperty("EnableTlsTrustBypass", out v))     Cfg.EnableTlsTrustBypass = v.GetBoolean();
-            if (r.TryGetProperty("TraceRegistrationDialog", out v)) Cfg.TraceRegistrationDialog = v.GetBoolean();
-            if (r.TryGetProperty("EnableDebugConsole", out v))      Cfg.EnableDebugConsole = v.GetBoolean();
-            if (r.TryGetProperty("DebugConsoleToggleKey", out v))   Cfg.DebugConsoleToggleKey = v.GetString() ?? Cfg.DebugConsoleToggleKey;
-            if (r.TryGetProperty("DesktopScreenShareFps", out v))             Cfg.DesktopScreenShareFps = (float)v.GetDouble();
-            if (r.TryGetProperty("DesktopScreenShareRaisePhotonRate", out v)) Cfg.DesktopScreenShareRaisePhotonRate = v.GetBoolean();
-            if (r.TryGetProperty("DesktopScreenShareResolution", out v))      Cfg.DesktopScreenShareResolution = v.GetInt32();
-            if (r.TryGetProperty("DesktopScreenShareQuality", out v))         Cfg.DesktopScreenShareQuality = v.GetInt32();
-            if (r.TryGetProperty("DiagnoseDevMenu", out v))                   Cfg.DiagnoseDevMenu = v.GetBoolean();
-            if (r.TryGetProperty("QuestMaxTeamSize", out v))                  Cfg.QuestMaxTeamSize = v.GetInt32();
-            if (r.TryGetProperty("QuestMaxTeamSizeRooms", out v) && v.ValueKind == JsonValueKind.Array)
+            if (TryGetConfigValue(r, "ServerHost", out var v))           Cfg.ServerHost = v.GetString() ?? Cfg.ServerHost;
+            if (TryGetConfigValue(r, "PhotonAppId", out v))              Cfg.PhotonAppId = v.GetString() ?? Cfg.PhotonAppId;
+            if (TryGetConfigValue(r, "PhotonVoiceAppId", out v))         Cfg.PhotonVoiceAppId = v.GetString() ?? Cfg.PhotonVoiceAppId;
+            if (TryGetConfigValue(r, "PhotonCloudRegion", out v))        Cfg.PhotonCloudRegion = v.GetString() ?? Cfg.PhotonCloudRegion;
+            if (TryGetConfigValue(r, "EnableTlsTrustBypass", out v))     Cfg.EnableTlsTrustBypass = v.GetBoolean();
+            if (TryGetConfigValue(r, "TraceRegistrationDialog", out v))  Cfg.TraceRegistrationDialog = v.GetBoolean();
+            if (TryGetConfigValue(r, "EnableDebugConsole", out v))       Cfg.EnableDebugConsole = v.GetBoolean();
+            if (TryGetConfigValue(r, "DebugConsoleToggleKey", out v))    Cfg.DebugConsoleToggleKey = v.GetString() ?? Cfg.DebugConsoleToggleKey;
+            if (TryGetConfigValue(r, "DesktopScreenShareFps", out v))             Cfg.DesktopScreenShareFps = (float)v.GetDouble();
+            if (TryGetConfigValue(r, "DesktopScreenShareRaisePhotonRate", out v)) Cfg.DesktopScreenShareRaisePhotonRate = v.GetBoolean();
+            if (TryGetConfigValue(r, "DesktopScreenShareResolution", out v))      Cfg.DesktopScreenShareResolution = v.GetInt32();
+            if (TryGetConfigValue(r, "DesktopScreenShareQuality", out v))         Cfg.DesktopScreenShareQuality = v.GetInt32();
+            if (TryGetConfigValue(r, "DiagnoseDevMenu", out v))                   Cfg.DiagnoseDevMenu = v.GetBoolean();
+            if (TryGetConfigValue(r, "QuestMaxTeamSize", out v))                  Cfg.QuestMaxTeamSize = v.GetInt32();
+            if (TryGetConfigValue(r, "QuestMaxTeamSizeRooms", out v) && v.ValueKind == JsonValueKind.Array)
             {
                 var rooms = new List<string>();
                 foreach (var e in v.EnumerateArray())
@@ -653,8 +643,8 @@ public class Mod : MelonMod
                         rooms.Add(e.GetString()!);
                 Cfg.QuestMaxTeamSizeRooms = rooms.ToArray(); // explicit (incl. empty = none)
             }
-            if (r.TryGetProperty("EnableDevWatchButton", out v))              Cfg.EnableDevWatchButton = v.GetBoolean();
-            if (r.TryGetProperty("DevCommands", out v) && v.ValueKind == JsonValueKind.Array)
+            if (TryGetConfigValue(r, "EnableDevWatchButton", out v))          Cfg.EnableDevWatchButton = v.GetBoolean();
+            if (TryGetConfigValue(r, "DevCommands", out v) && v.ValueKind == JsonValueKind.Array)
             {
                 var list = new List<string>();
                 foreach (var e in v.EnumerateArray())
@@ -666,7 +656,7 @@ public class Mod : MelonMod
             }
             // "InjectAuthValues" key in the template is now ignored —
             // see attic/AuthValuesInjector.cs.attic.
-            Log.Msg($"[config] loaded: ServerHost={Cfg.ServerHost}, PhotonAppId={(string.IsNullOrEmpty(Cfg.PhotonAppId) ? "<unset>" : "<set>")}, " +
+            Log.Msg($"[config] loaded from {path}: ServerHost={Cfg.ServerHost}, PhotonAppId={(string.IsNullOrEmpty(Cfg.PhotonAppId) ? "<unset>" : "<set>")}, " +
                     $"EnableTlsTrustBypass={Cfg.EnableTlsTrustBypass}");
         }
         catch (Exception ex)
@@ -675,6 +665,44 @@ public class Mod : MelonMod
         }
     }
 
+    private static string ResolveUserDataDirectory()
+    {
+        foreach (var typeName in new[]
+        {
+            "MelonLoader.MelonEnvironment, MelonLoader",
+            "MelonLoader.MelonUtils, MelonLoader",
+        })
+        {
+            var type = Type.GetType(typeName);
+            var prop = type?.GetProperty("UserDataDirectory", BindingFlags.Public | BindingFlags.Static);
+            if (prop?.GetValue(null) is string value && !string.IsNullOrWhiteSpace(value))
+                return value;
+        }
+
+        var modDll = Assembly.GetExecutingAssembly().Location;
+        var modsDir = Path.GetDirectoryName(modDll) ?? string.Empty;
+        var gameDir = Path.GetDirectoryName(modsDir) ?? AppContext.BaseDirectory;
+        return Path.Combine(gameDir, "MelonLoader", "UserData");
+    }
+
+    private static bool TryGetConfigValue(JsonElement root, string name, out JsonElement value)
+    {
+        if (root.ValueKind == JsonValueKind.Object)
+        {
+            foreach (var prop in root.EnumerateObject())
+            {
+                if (string.Equals(prop.Name, name, StringComparison.OrdinalIgnoreCase))
+                {
+                    value = prop.Value;
+                    return true;
+                }
+            }
+        }
+
+        value = default;
+        return false;
+    }
+
     // ── Patch dispatch helpers ────────────────────────────────────────
     private bool TryPatch(string label, Type target, string methodName,
                           Type[]? args, string? prefix = null, string? postfix = null,

DorkNet.Server/Controllers/API/Config/V1/ServiceUrlsController.cs

@@ -15,5 +15,5 @@ public class ServiceUrlsController(DomainConfig domain) : ControllerBase
 {
     [HttpGet("services")]
     public ActionResult<Dictionary<string, string>> Get()
-        => Ok(ConfigService.BuildServiceUrlMap(domain.Apex));
+        => Ok(ConfigService.BuildServiceUrlMap(domain));
 }

DorkNet.Server/Controllers/API/Notification/V2/NotificationController.cs

@@ -16,7 +16,7 @@ public class NotificationController(DomainConfig domain) : ControllerBase
     public IActionResult Connect() => StatusCode(StatusCodes.Status410Gone, new
     {
         error = "use_signalr_hub",
-        hint = $"connect to {domain.Sub("notify")}/hub/v1 instead",
+        hint = $"connect to {domain.Url("notify", "/hub/v1")} instead",
     });
 
     /// <summary>GET <c>api/notification/hub/v1</c> — returns the
@@ -27,7 +27,7 @@ public class NotificationController(DomainConfig domain) : ControllerBase
     [HttpGet("/api/notification/hub/v1")]
     public IActionResult HubInfo() => Ok(new
     {
-        Url = $"https://{domain.Sub("notify")}/hub/v1",
+        Url = domain.Url("notify", "/hub/v1"),
         Protocol = "signalr",
         Version = 1,
     });

DorkNet.Server/Controllers/Ns/NsController.cs

@@ -37,13 +37,13 @@ public class NsController : ControllerBase
     // code: locker)" in BootSequence.
     [HttpGet("/", Order = -1000)]
     public ActionResult<Dictionary<string, string>> Root() =>
-        Ok(ConfigService.BuildServiceUrlMap(_domain.Apex));
+        Ok(ConfigService.BuildServiceUrlMap(_domain));
 
     // Some builds fetch /v1 or /v1/services directly
     [HttpGet("/v1")]
     [HttpGet("/v1/services")]
     public ActionResult<Dictionary<string, string>> Services() =>
-        Ok(ConfigService.BuildServiceUrlMap(_domain.Apex));
+        Ok(ConfigService.BuildServiceUrlMap(_domain));
 
     // Ping / health used by the client keep-alive loop
     [HttpGet("/v1/ping")]

DorkNet.Server/Data/LegacyUpgrades.cs

@@ -180,8 +180,13 @@ public static class LegacyUpgrades
         // either no-op (Crescendo now exists) or the only writer.
         for (var attempt = 1; attempt <= 2; attempt++)
         {
-            var crescendoExists = await db.Rooms.AnyAsync(r => r.Name == "Crescendo", ct);
-            var bloodMoon = await db.Rooms.FirstOrDefaultAsync(r => r.Name == "BloodMoon", ct);
+            var renameCandidates = await db.Rooms
+                .Where(r => r.Name.ToLower() == "bloodmoon" || r.Name.ToLower() == "crescendo")
+                .ToListAsync(ct);
+            var crescendoExists = renameCandidates.Any(r =>
+                string.Equals(r.Name, "Crescendo", StringComparison.OrdinalIgnoreCase));
+            var bloodMoon = renameCandidates.FirstOrDefault(r =>
+                string.Equals(r.Name, "BloodMoon", StringComparison.OrdinalIgnoreCase));
 
             if (bloodMoon is null && crescendoExists)
             {
@@ -217,15 +222,15 @@ public static class LegacyUpgrades
                 {
                     // Both exist — the rename ran on a different row at
                     // some point, and the original BloodMoon row is now
-                    // a stale duplicate. Park it under CrescendoLegacy
-                    // and hide from browse so /goto/name/... still
+                    // a stale duplicate. Park it under a unique legacy
+                    // name and hide from browse so /goto/name/... still
                     // resolves Crescendo to the right row.
-                    bloodMoon.Name = "CrescendoLegacy";
+                    bloodMoon.Name = await PickUniqueRoomNameAsync(db, "CrescendoLegacy", bloodMoon.Id, ct);
                     bloodMoon.HiddenFromBrowse = true;
                     await db.SaveChangesAsync(ct);
                     logger.LogInformation(
-                        "[legacy-upgrade] RenameBloodMoonToCrescendo: applied — Rooms.Id={Id} parked as CrescendoLegacy (Crescendo already existed on a different row)",
-                        bloodMoon.Id);
+                        "[legacy-upgrade] RenameBloodMoonToCrescendo: applied — Rooms.Id={Id} parked as {Name} (Crescendo already existed on a different row)",
+                        bloodMoon.Id, bloodMoon.Name);
                     return;
                 }
             }
@@ -241,4 +246,22 @@ public static class LegacyUpgrades
             }
         }
     }
+
+    private static async Task<string> PickUniqueRoomNameAsync(
+        DorkNetDbContext db, string preferred, long currentRoomId, CancellationToken ct)
+    {
+        var taken = await db.Rooms
+            .Where(r => r.Id != currentRoomId && r.Name.ToLower().StartsWith(preferred.ToLower()))
+            .Select(r => r.Name)
+            .ToListAsync(ct);
+
+        if (!taken.Any(n => string.Equals(n, preferred, StringComparison.OrdinalIgnoreCase)))
+            return preferred;
+
+        var suffix = 2;
+        while (taken.Any(n => string.Equals(n, $"{preferred}{suffix}", StringComparison.OrdinalIgnoreCase)))
+            suffix++;
+
+        return $"{preferred}{suffix}";
+    }
 }

DorkNet.Server/Services/ConfigService.cs

@@ -25,9 +25,9 @@ public class ConfigService(IConfiguration config, DomainConfig domain)
         return new RecRoomConfig
         {
             MessageOfTheDay = config["Server:MOTD"] ?? "Welcome to the private server!",
-            CdnBaseUri = $"https://{domain.Sub("cdn")}",
+            CdnBaseUri = domain.Url("cdn"),
             PhotonConfig = photon,
-            ServiceUrls = BuildServiceUrlMap(apex),
+            ServiceUrls = BuildServiceUrlMap(domain),
             ConfigTable = new Dictionary<string, string>
             {
                 // Season keys the 2019/2020 client checks at startup
@@ -110,12 +110,14 @@ public class ConfigService(IConfiguration config, DomainConfig domain)
     /// <see cref="DomainConfig.Apex"/>) so the map stays a single
     /// source of truth.</summary>
     public static Dictionary<string, string> BuildServiceUrlMap(string apex)
+        => BuildServiceUrlMap(new DomainConfig(apex));
+
+    public static Dictionary<string, string> BuildServiceUrlMap(DomainConfig domain)
     {
         var map = new Dictionary<string, string>(ServiceSubdomains.Length);
         foreach (var (service, sub) in ServiceSubdomains)
         {
-            var host = string.IsNullOrEmpty(sub) ? apex : $"{sub}.{apex}";
-            map[service] = $"https://{host}";
+            map[service] = domain.Url(sub);
         }
         return map;
     }

DorkNet.Server/Services/DomainConfig.cs

@@ -11,8 +11,28 @@ namespace DorkNet.Server.Services;
 public sealed class DomainConfig
 {
     public string Apex { get; }
-    public DomainConfig(string apex) { Apex = apex; }
+    public string Scheme { get; }
+
+    public DomainConfig(string apex, string scheme = "https")
+    {
+        Apex = apex;
+        Scheme = NormalizeScheme(scheme);
+    }
+
     public string Sub(string prefix) => $"{prefix}.{Apex}";
+    public string Url(string prefix, string path = "")
+    {
+        var host = string.IsNullOrEmpty(prefix) ? Apex : Sub(prefix);
+        if (string.IsNullOrEmpty(path)) return $"{Scheme}://{host}";
+        return $"{Scheme}://{host}{(path.StartsWith('/') ? path : "/" + path)}";
+    }
+
     public static bool MatchesSubdomain(string host, string prefix)
         => host.StartsWith(prefix + ".", StringComparison.OrdinalIgnoreCase);
+
+    private static string NormalizeScheme(string? value)
+    {
+        var scheme = string.IsNullOrWhiteSpace(value) ? "https" : value.Trim().TrimEnd(':', '/', '\\').ToLowerInvariant();
+        return scheme is "http" or "https" ? scheme : "https";
+    }
 }

DorkNet.Server/Startup/MiddlewarePipelineExtensions.cs

@@ -70,7 +70,7 @@ public static class MiddlewarePipelineExtensions
             if (ctx.Request.Host.Host.Equals(domainCfg.Sub("api"), StringComparison.OrdinalIgnoreCase) &&
                 (ctx.Request.Path == "/admin" || ctx.Request.Path.StartsWithSegments("/admin")))
             {
-                ctx.Response.Redirect($"https://{domainCfg.Sub("admin")}/", permanent: false);
+                ctx.Response.Redirect(domainCfg.Url("admin", "/"), permanent: false);
                 return;
             }
             await next();

DorkNet.Server/Startup/ServiceCollectionExtensions.cs

@@ -106,7 +106,8 @@ public static class ServiceCollectionExtensions
             builder.Configuration["Domain:Apex"]
             ?? Environment.GetEnvironmentVariable("DORKNET_DOMAIN")
             ?? "localhost";
-        builder.Services.AddSingleton(new DomainConfig(apex));
+        var scheme = builder.Configuration["Domain:Scheme"] ?? "https";
+        builder.Services.AddSingleton(new DomainConfig(apex, scheme));
         builder.Services.Configure<Microsoft.AspNetCore.HostFiltering.HostFilteringOptions>(opt =>
         {
             opt.AllowedHosts = new[] { apex, $"*.{apex}", "localhost", "127.0.0.1" };