Detect Yandex.Disk cloud drive (#7406)

Author: gave92

src/Common/CloudProvider.cs

@@ -40,6 +40,7 @@ public enum CloudProviders
         AppleCloud,
         AmazonDrive,
         Nextcloud,
+        Yandex,
         Box
     }
 }

src/Files.Launcher/Helpers/CloudDrivesDetector.cs

@@ -16,14 +16,32 @@ public static async Task<List<CloudProvider>> DetectCloudDrives()
             {
                 Extensions.IgnoreExceptions(DetectOneDrive, Program.Logger),
                 Extensions.IgnoreExceptions(DetectSharepoint, Program.Logger),
-                Extensions.IgnoreExceptions(DetectGenericCloudDrive, Program.Logger)
+                Extensions.IgnoreExceptions(DetectGenericCloudDrive, Program.Logger),
+                Extensions.IgnoreExceptions(DetectYandexDisk, Program.Logger),
             };
 
             await Task.WhenAll(tasks);
 
             return tasks.Where(o => o.Result != null).SelectMany(o => o.Result).OrderBy(o => o.ID.ToString()).ThenBy(o => o.Name).Distinct().ToList();
         }
 
+        private static Task<List<CloudProvider>> DetectYandexDisk()
+        {
+            var results = new List<CloudProvider>();
+            using var yandexKey = Registry.CurrentUser.OpenSubKey(@"SOFTWARE\Yandex\Yandex.Disk.2");
+            var syncedFolder = (string)yandexKey?.GetValue("RootFolder");
+            if (syncedFolder != null)
+            {
+                results.Add(new CloudProvider()
+                {
+                    ID = CloudProviders.Yandex,
+                    Name = $"Yandex Disk",
+                    SyncFolder = syncedFolder
+                });
+            }
+            return Task.FromResult(results);
+        }
+
         private static Task<List<CloudProvider>> DetectGenericCloudDrive()
         {
             var results = new List<CloudProvider>();