Fix handling of RBX deployment interfacing

Bloxstrap/Bootstrapper.cs

@@ -13,11 +13,12 @@
 
 using System.Windows;
 using System.Windows.Forms;
+using System.Windows.Shell;
 
 using Microsoft.Win32;
 
 using Bloxstrap.AppData;
-using System.Windows.Shell;
+using Bloxstrap.RobloxInterfaces;
 using Bloxstrap.UI.Elements.Bootstrapper.Base;
 
 using ICSharpCode.SharpZipLib.Zip;
@@ -77,6 +78,7 @@ namespace Bloxstrap
             _fastZipEvents.ProcessFile += (_, e) => e.ContinueRunning = !_cancelTokenSource.IsCancellationRequested;
 
             AppData = IsStudioLaunch ? new RobloxStudioData() : new RobloxPlayerData();
+            Deployment.BinaryType = AppData.BinaryType;
         }
 
         private void SetStatus(string message)
@@ -151,7 +153,7 @@ namespace Bloxstrap
 
             SetStatus(Strings.Bootstrapper_Status_Connecting);
 
-            var connectionResult = await RobloxDeployment.InitializeConnectivity();
+            var connectionResult = await Deployment.InitializeConnectivity();
 
             App.Logger.WriteLine(LOG_IDENT, "Connectivity check finished");
 
@@ -244,29 +246,29 @@ namespace Bloxstrap
             // if it's set in the launch uri, we need to use it and set the registry key for it
             // else, check if the registry key for it exists, and use it
 
-            string channel = "production";
-
             using var key = Registry.CurrentUser.CreateSubKey($"SOFTWARE\\ROBLOX Corporation\\Environments\\{AppData.RegistryName}\\Channel");
 
             var match = Regex.Match(App.LaunchSettings.RobloxLaunchArgs, "channel:([a-zA-Z0-9-_]+)", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
 
             if (match.Groups.Count == 2)
             {
-                channel = match.Groups[1].Value.ToLowerInvariant();
+                Deployment.Channel = match.Groups[1].Value.ToLowerInvariant();
             }
             else if (key.GetValue("www.roblox.com") is string value && !String.IsNullOrEmpty(value))
             {
-                channel = value;
+                Deployment.Channel = value.ToLowerInvariant();
             }
 
-            if (channel != "production")
+            App.Logger.WriteLine(LOG_IDENT, "Got channel as " + (String.IsNullOrEmpty(Deployment.Channel) ? Deployment.DefaultChannel : Deployment.Channel));
-                App.SendStat("robloxChannel", channel);
+
+            if (Deployment.Channel != "production")
+                App.SendStat("robloxChannel", Deployment.Channel);
 
             ClientVersion clientVersion;
 
             try
             {
-                clientVersion = await RobloxDeployment.GetInfo(channel, AppData.BinaryType);
+                clientVersion = await Deployment.GetInfo();
             }
             catch (HttpRequestException ex)
             {
@@ -275,25 +277,25 @@ namespace Bloxstrap
                     and not HttpStatusCode.NotFound)
                     throw;
 
-                App.Logger.WriteLine(LOG_IDENT, $"Changing channel from {channel} to {RobloxDeployment.DefaultChannel} because HTTP {(int)ex.StatusCode}");
+                App.Logger.WriteLine(LOG_IDENT, $"Changing channel from {Deployment.Channel} to {Deployment.DefaultChannel} because HTTP {(int)ex.StatusCode}");
 
-                channel = RobloxDeployment.DefaultChannel;
+                Deployment.Channel = Deployment.DefaultChannel;
-                clientVersion = await RobloxDeployment.GetInfo(channel, AppData.BinaryType);
+                clientVersion = await Deployment.GetInfo();
             }
 
             if (clientVersion.IsBehindDefaultChannel)
             {
-                App.Logger.WriteLine(LOG_IDENT, $"Changing channel from {channel} to {RobloxDeployment.DefaultChannel} because channel is behind production");
+                App.Logger.WriteLine(LOG_IDENT, $"Changing channel from {Deployment.Channel} to {Deployment.DefaultChannel} because channel is behind production");
 
-                channel = RobloxDeployment.DefaultChannel;
+                Deployment.Channel = Deployment.DefaultChannel;
-                clientVersion = await RobloxDeployment.GetInfo(channel, AppData.BinaryType);
+                clientVersion = await Deployment.GetInfo();
             }
 
-            key.SetValueSafe("www.roblox.com", channel);
+            key.SetValueSafe("www.roblox.com", Deployment.IsDefaultChannel ? "" : Deployment.Channel);
 
             _latestVersionGuid = clientVersion.VersionGuid;
 
-            string pkgManifestUrl = RobloxDeployment.GetLocation($"/{_latestVersionGuid}-rbxPkgManifest.txt");
+            string pkgManifestUrl = Deployment.GetLocation($"/{_latestVersionGuid}-rbxPkgManifest.txt");
             var pkgManifestData = await App.HttpClient.GetStringAsync(pkgManifestUrl);
 
             _versionPackageManifest = new(pkgManifestData);
@@ -962,7 +964,7 @@ namespace Bloxstrap
             if (_cancelTokenSource.IsCancellationRequested)
                 return;
 
-            string packageUrl = RobloxDeployment.GetLocation($"/{_latestVersionGuid}-{package.Name}");
+            string packageUrl = Deployment.GetLocation($"/{_latestVersionGuid}-{package.Name}");
             string robloxPackageLocation = Path.Combine(Paths.LocalAppData, "Roblox", "Downloads", package.Signature);
 
             if (File.Exists(package.DownloadPath))

Bloxstrap/Models/Manifest/FileManifest.cs

@@ -1,4 +1,6 @@
-namespace Bloxstrap.Models.Manifest
+using Bloxstrap.RobloxInterfaces;
+
+namespace Bloxstrap.Models.Manifest
 {
     public class FileManifest : List<ManifestFile>
     {
@@ -24,7 +26,7 @@
 
         public static async Task<FileManifest> Get(string versionGuid)
         {
-            string pkgManifestUrl = RobloxDeployment.GetLocation($"/{versionGuid}-rbxManifest.txt");
+            string pkgManifestUrl = Deployment.GetLocation($"/{versionGuid}-rbxManifest.txt");
             var pkgManifestData = await App.HttpClient.GetStringAsync(pkgManifestUrl);
 
             return new FileManifest(pkgManifestData);

Bloxstrap/RobloxInterfaces/ApplicationSettings.cs

@@ -1,8 +1,11 @@
 using System.ComponentModel;
 
-namespace Bloxstrap
+namespace Bloxstrap.RobloxInterfaces
 {
-    public class RobloxFastFlags
+    // i am 100% sure there is a much, MUCH better way to handle this
+    // matt wrote this so this is effectively a black box to me right now
+    // i'll likely refactor this at some point
+    public class ApplicationSettings
     {
         private string _applicationName;
         private string _channelName;
@@ -12,7 +15,7 @@ namespace Bloxstrap
 
         private SemaphoreSlim semaphoreSlim = new SemaphoreSlim(1, 1);
 
-        private RobloxFastFlags(string applicationName, string channelName)
+        private ApplicationSettings(string applicationName, string channelName)
         {
             _applicationName = applicationName;
             _channelName = channelName;
@@ -29,11 +32,11 @@ namespace Bloxstrap
                 if (_initialised)
                     return;
 
-                string logIndent = $"RobloxFastFlags::Fetch.{_applicationName}.{_channelName}";
+                string logIndent = $"ApplicationSettings::Fetch.{_applicationName}.{_channelName}";
                 App.Logger.WriteLine(logIndent, "Fetching fast flags");
 
                 string path = $"/v2/settings/application/{_applicationName}";
-                if (_channelName != RobloxDeployment.DefaultChannel.ToLowerInvariant())
+                if (_channelName != Deployment.DefaultChannel.ToLowerInvariant())
                     path += $"/bucket/{_channelName}";
 
                 HttpResponseMessage response;
@@ -100,12 +103,13 @@ namespace Bloxstrap
         }
 
         // _cache[applicationName][channelName]
-        private static Dictionary<string, Dictionary<string, RobloxFastFlags>> _cache = new();
+        private static Dictionary<string, Dictionary<string, ApplicationSettings>> _cache = new();
 
-        public static RobloxFastFlags PCDesktopClient { get; } = GetSettings("PCDesktopClient");
+        public static ApplicationSettings PCDesktopClient => GetSettings("PCDesktopClient");
-        public static RobloxFastFlags PCClientBootstrapper { get; } = GetSettings("PCClientBootstrapper");
 
-        public static RobloxFastFlags GetSettings(string applicationName, string channelName = RobloxDeployment.DefaultChannel, bool shouldCache = true)
+        public static ApplicationSettings PCClientBootstrapper => GetSettings("PCClientBootstrapper");
+
+        public static ApplicationSettings GetSettings(string applicationName, string channelName = Deployment.DefaultChannel, bool shouldCache = true)
         {
             channelName = channelName.ToLowerInvariant();
 
@@ -114,7 +118,7 @@ namespace Bloxstrap
                 if (_cache.ContainsKey(applicationName) && _cache[applicationName].ContainsKey(channelName))
                     return _cache[applicationName][channelName];
 
-                var flags = new RobloxFastFlags(applicationName, channelName);
+                var flags = new ApplicationSettings(applicationName, channelName);
 
                 if (shouldCache)
                 {

Bloxstrap/RobloxInterfaces/Deployment.cs

@@ -1,11 +1,17 @@
-namespace Bloxstrap
+namespace Bloxstrap.RobloxInterfaces
 {
-    public static class RobloxDeployment
+    public static class Deployment
     {
         public const string DefaultChannel = "production";
         
         private const string VersionStudioHash = "version-012732894899482c";
 
+        public static string Channel = DefaultChannel;
+
+        public static string BinaryType = "WindowsPlayer";
+
+        public static bool IsDefaultChannel => String.Compare(Channel, DefaultChannel, StringComparison.OrdinalIgnoreCase) == 0;
+        
         public static string BaseUrl { get; private set; } = null!;
         
         private static readonly Dictionary<string, ClientVersion> ClientVersionCache = new();
@@ -23,7 +29,7 @@
 
         private static async Task<string?> TestConnection(string url, int priority, CancellationToken token)
         {
-            string LOG_IDENT = $"RobloxDeployment::TestConnection<{url}>";
+            string LOG_IDENT = $"Deployment::TestConnection<{url}>";
 
             await Task.Delay(priority * 1000, token);
 
@@ -56,16 +62,14 @@
             return url;
         }
 
+        /// <summary>
+        /// This function serves double duty as the setup mirror enumerator, and as our connectivity check.
+        /// Returns null for success.
+        /// </summary>
+        /// <returns></returns>
         public static async Task<Exception?> InitializeConnectivity()
         {
-            const string LOG_IDENT = "RobloxDeployment::InitializeConnectivity";
+            const string LOG_IDENT = "Deployment::InitializeConnectivity";
-
-            // this function serves double duty as the setup mirror enumerator, and as our connectivity check
-            // since we're basically asking four different urls for the exact same thing, if all four fail, then it has to be a user-side problem
-
-            // this should be checked for in the installer and in the bootstrapper
-
-            // returns null for success
 
             var tokenSource = new CancellationTokenSource();
 
@@ -74,25 +78,22 @@
 
             App.Logger.WriteLine(LOG_IDENT, "Testing connectivity...");
 
-            while (tasks.Any())
+            while (tasks.Any() && String.IsNullOrEmpty(BaseUrl))
             {
                 var finishedTask = await Task.WhenAny(tasks);
 
-                if (finishedTask.IsFaulted)
-                {
                 tasks.Remove(finishedTask);
-                    exceptions.Add(finishedTask.Exception!.InnerException!);
-                    continue;
-                }
 
-                BaseUrl = await finishedTask;
+                if (finishedTask.IsFaulted)
-                break;
+                    exceptions.Add(finishedTask.Exception!.InnerException!);
+                else
+                    BaseUrl = finishedTask.Result;
             }
 
             // stop other running connectivity tests
             tokenSource.Cancel();
 
-            if (String.IsNullOrEmpty(BaseUrl))
+            if (string.IsNullOrEmpty(BaseUrl))
                 return exceptions[0];
 
             App.Logger.WriteLine(LOG_IDENT, $"Got {BaseUrl} as the optimal base URL");
@@ -100,18 +101,18 @@
             return null;
         }
 
-        public static string GetLocation(string resource, string channel = DefaultChannel)
+        public static string GetLocation(string resource)
         {
             string location = BaseUrl;
 
-            if (String.Compare(channel, DefaultChannel, StringComparison.InvariantCultureIgnoreCase) != 0)
+            if (!IsDefaultChannel)
             {
                 string channelName;
 
-                if (RobloxFastFlags.GetSettings(nameof(RobloxFastFlags.PCClientBootstrapper), channel).Get<bool>("FFlagReplaceChannelNameForDownload"))
+                if (ApplicationSettings.GetSettings(nameof(ApplicationSettings.PCClientBootstrapper), Channel).Get<bool>("FFlagReplaceChannelNameForDownload"))
                     channelName = "common";
                 else
-                    channelName = channel.ToLowerInvariant();
+                    channelName = Channel.ToLowerInvariant();
 
                 location += $"/channel/{channelName}";
             }
@@ -121,16 +122,18 @@
             return location;
         }
 
-        public static async Task<ClientVersion> GetInfo(string channel, string binaryType = "WindowsPlayer")
+        public static async Task<ClientVersion> GetInfo(string? channel = null)
         {
-            const string LOG_IDENT = "RobloxDeployment::GetInfo";
+            const string LOG_IDENT = "Deployment::GetInfo";
+
+            if (String.IsNullOrEmpty(channel))
+                channel = Channel;
+
+            bool isDefaultChannel = String.Compare(channel, DefaultChannel, StringComparison.OrdinalIgnoreCase) == 0;
 
             App.Logger.WriteLine(LOG_IDENT, $"Getting deploy info for channel {channel}");
 
-            if (String.IsNullOrEmpty(channel))
+            string cacheKey = $"{channel}-{BinaryType}";
-                channel = DefaultChannel;
-
-            string cacheKey = $"{channel}-{binaryType}";
 
             ClientVersion clientVersion;
 
@@ -141,12 +144,10 @@
             }
             else
             {
-                bool isDefaultChannel = String.Compare(channel, DefaultChannel, StringComparison.OrdinalIgnoreCase) == 0;
+                string path = $"/v2/client-version/{BinaryType}";
-
-                string path = $"/v2/client-version/{binaryType}";
 
                 if (!isDefaultChannel)
-                    path = $"/v2/client-version/{binaryType}/channel/{channel}";
+                    path = $"/v2/client-version/{BinaryType}/channel/{channel}";
 
                 try
                 {