feat: refactor maintenance authentication

Kiseki.Launcher.Windows/Launcher.cs

@@ -11,59 +11,6 @@ namespace Kiseki.Launcher.Windows
         public static void Install()
         {
             Directory.CreateDirectory(Directories.Base);
-            int response = Web.CheckHealth();
-            
-            if (response != Web.RESPONSE_SUCCESS)
-            {
-                if (response != Web.RESPONSE_MAINTENANCE)
-                {
-                    // The Kiseki website is either down or we can't connect to the internet.
-                    MessageBox.Show($"Failed to connect to the {Constants.PROJECT_NAME} website. Please check your internet connection.", Constants.PROJECT_NAME, MessageBoxButtons.OK, MessageBoxIcon.Error);
-                    Environment.Exit(0);
-                }
-                else
-                {
-                    // We are in maintenance mode, so let's ask for a license.
-                    if (!File.Exists(Directories.License))
-                    {
-                        AskForLicense(Directories.License);
-                    }
-
-                    // ... load the license ...
-                    while (!Web.LoadLicense(File.ReadAllText(Directories.License)))
-                    {
-                        // ... and if it's invalid, keep asking for a new one.
-                        File.Delete(Directories.License);
-                        MessageBox.Show($"Corrupt license file! Please verify the contents of your license file (it should be named \"license.bin\".)", Constants.PROJECT_NAME, MessageBoxButtons.OK, MessageBoxIcon.Error);
-                        AskForLicense(Directories.License, false);
-                    }
-                    
-                    // ... and then try this again;
-                    Install();
-                }
-            }
-
-            // okay, now download the launcher from the Kiseki website...
-        }
-
-        private static void AskForLicense(string licensePath, bool showDialog = true)
-        {
-            DialogResult answer = showDialog ? MessageBox.Show($"{Constants.PROJECT_NAME} is currently under maintenance and requires a license in order to access games. Would you like to look for the license file now?", Constants.PROJECT_NAME, MessageBoxButtons.YesNo, MessageBoxIcon.Warning) : DialogResult.Yes;
-            
-            if (answer == DialogResult.Yes)
-            {
-                using OpenFileDialog dialog = new()
-                {
-                    Title = "Select your license file",
-                    Filter = "License files (*.bin)|*.bin",
-                    InitialDirectory = Win32.GetDownloadsPath()
-                };
-
-                if (dialog.ShowDialog() == DialogResult.OK)
-                {
-                    File.Copy(dialog.FileName, licensePath, true);
-                }
-            }
         }
 
         // TODO: Implement this

Kiseki.Launcher.Windows/Program.cs

@@ -19,7 +19,11 @@ namespace Kiseki.Launcher.Windows
                 Directories.Initialize(Path.Combine(Directories.LocalAppData, Constants.PROJECT_NAME));
             }
 
-            Web.Initialize();
+            if (!Web.Initialize())
+            {
+                MessageBox.Show($"Failed to connect to {Constants.PROJECT_NAME}. Please check your internet connection and try again.", Constants.PROJECT_NAME, MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
 
             if (!File.Exists(Directories.Application))
             {
@@ -32,7 +36,7 @@ namespace Kiseki.Launcher.Windows
                 {
                     // Nothing for us to do :P
                     Process.Start(Web.Url("/games"));
-                    Environment.Exit(0);
+                    return;
                 }
 
                 ApplicationConfiguration.Initialize();

Kiseki.Launcher/Web.cs

@@ -14,9 +14,27 @@ namespace Kiseki.Launcher
         
         public static readonly HttpClient HttpClient = new();
         public static string CurrentUrl { get; private set; } = "";
-        public static bool MaintenanceMode { get; private set; } = false;
 
-        public static void Initialize() => CurrentUrl = BASE_URL;
+        public static bool Initialize()
+        {
+            CurrentUrl = BASE_URL;
+
+            int response = CheckHealth();
+            
+            if (response != RESPONSE_SUCCESS)
+            {
+                if (response == RESPONSE_MAINTENANCE)
+                {
+                    CurrentUrl = $"{MAINTENANCE_DOMAIN}.{BASE_URL}";
+                    return Initialize();
+                }
+
+                return false;
+            }
+
+            return true;
+        }
+
         public static string Url(string path) => $"https://{CurrentUrl}{path}";
 
         public static int CheckHealth()
@@ -25,35 +43,5 @@ namespace Kiseki.Launcher
             
             return response is null ? RESPONSE_FAILURE : response.Status;
         }
-
-        public static bool LoadLicense(string license)
-        {
-            if (!MaintenanceMode)
-            {
-                CurrentUrl = $"{MAINTENANCE_DOMAIN}.{CurrentUrl}";
-                MaintenanceMode = true;
-            }
-
-            // the "license" is actually just headers required to access the website.
-            // this can be cloudflare zero-trust headers (like what Kiseki does), or however
-            // else you'd like to do auth-walls. either way; it's just a JSON document 
-
-            try
-            {
-                HttpClient.DefaultRequestHeaders.Clear();
-                
-                var headers = JsonSerializer.Deserialize<Dictionary<string, string>>(license)!;
-                for (int i = 0; i < headers.Count; i++)
-                {
-                    HttpClient.DefaultRequestHeaders.Add(headers.ElementAt(i).Key, headers.ElementAt(i).Value);
-                }
-            }
-            catch
-            {
-                return false;
-            }
-
-            return true;
-        }
     }
 }