1 files changed, 14 insertions, 16 deletions
diff --git a/Emby.Server.Implementations/IO/ManagedFileSystem.cs b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
index 7c3c7da23..eeee28842 100644
--- a/Emby.Server.Implementations/IO/ManagedFileSystem.cs
+++ b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
@@ -5,11 +5,9 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices;
 using Jellyfin.Extensions;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.IO;
-using MediaBrowser.Model.System;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.IO
@@ -19,7 +17,7 @@ namespace Emby.Server.Implementations.IO
     /// </summary>
     public class ManagedFileSystem : IFileSystem
     {
-        protected ILogger<ManagedFileSystem> Logger;
+        private readonly ILogger<ManagedFileSystem> _logger;
 
         private readonly List<IShortcutHandler> _shortcutHandlers = new List<IShortcutHandler>();
         private readonly string _tempPath;
@@ -29,7 +27,7 @@ namespace Emby.Server.Implementations.IO
             ILogger<ManagedFileSystem> logger,
             IApplicationPaths applicationPaths)
         {
-            Logger = logger;
+            _logger = logger;
             _tempPath = applicationPaths.TempDirectory;
         }
 
@@ -43,7 +41,7 @@ namespace Emby.Server.Implementations.IO
         /// </summary>
         /// <param name="filename">The filename.</param>
         /// <returns><c>true</c> if the specified filename is shortcut; otherwise, <c>false</c>.</returns>
-        /// <exception cref="ArgumentNullException">filename</exception>
+        /// <exception cref="ArgumentNullException"><paramref name="filename"/> is <c>null</c>.</exception>
         public virtual bool IsShortcut(string filename)
         {
             if (string.IsNullOrEmpty(filename))
@@ -60,7 +58,7 @@ namespace Emby.Server.Implementations.IO
         /// </summary>
         /// <param name="filename">The filename.</param>
         /// <returns>System.String.</returns>
-        /// <exception cref="ArgumentNullException">filename</exception>
+        /// <exception cref="ArgumentNullException"><paramref name="filename"/> is <c>null</c>.</exception>
         public virtual string? ResolveShortcut(string filename)
         {
             if (string.IsNullOrEmpty(filename))
@@ -235,9 +233,9 @@ namespace Emby.Server.Implementations.IO
                 result.IsDirectory = info is DirectoryInfo || (info.Attributes & FileAttributes.Directory) == FileAttributes.Directory;
 
                 // if (!result.IsDirectory)
-                //{
+                // {
                 //    result.IsHidden = (info.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden;
-                //}
+                // }
 
                 if (info is FileInfo fileInfo)
                 {
@@ -248,15 +246,15 @@ namespace Emby.Server.Implementations.IO
                     {
                         try
                         {
-                            using (Stream thisFileStream = File.OpenRead(fileInfo.FullName))
+                            using (var fileHandle = File.OpenHandle(fileInfo.FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
                             {
-                                result.Length = thisFileStream.Length;
+                                result.Length = RandomAccess.GetLength(fileHandle);
                             }
                         }
                         catch (FileNotFoundException ex)
                         {
                             // Dangling symlinks cannot be detected before opening the file unfortunately...
-                            Logger.LogError(ex, "Reading the file size of the symlink at {Path} failed. Marking the file as not existing.", fileInfo.FullName);
+                            _logger.LogError(ex, "Reading the file size of the symlink at {Path} failed. Marking the file as not existing.", fileInfo.FullName);
                             result.Exists = false;
                         }
                     }
@@ -345,7 +343,7 @@ namespace Emby.Server.Implementations.IO
             }
             catch (Exception ex)
             {
-                Logger.LogError(ex, "Error determining CreationTimeUtc for {FullName}", info.FullName);
+                _logger.LogError(ex, "Error determining CreationTimeUtc for {FullName}", info.FullName);
                 return DateTime.MinValue;
             }
         }
@@ -384,7 +382,7 @@ namespace Emby.Server.Implementations.IO
             }
             catch (Exception ex)
             {
-                Logger.LogError(ex, "Error determining LastAccessTimeUtc for {FullName}", info.FullName);
+                _logger.LogError(ex, "Error determining LastAccessTimeUtc for {FullName}", info.FullName);
                 return DateTime.MinValue;
             }
         }
@@ -423,7 +421,7 @@ namespace Emby.Server.Implementations.IO
             }
         }
 
-        public virtual void SetAttributes(string path, bool isHidden, bool isReadOnly)
+        public virtual void SetAttributes(string path, bool isHidden, bool readOnly)
         {
             if (!OperatingSystem.IsWindows())
             {
@@ -437,14 +435,14 @@ namespace Emby.Server.Implementations.IO
                 return;
             }
 
-            if (info.IsReadOnly == isReadOnly && info.IsHidden == isHidden)
+            if (info.IsReadOnly == readOnly && info.IsHidden == isHidden)
             {
                 return;
             }
 
             var attributes = File.GetAttributes(path);
 
-            if (isReadOnly)
+            if (readOnly)
             {
                 attributes = attributes | FileAttributes.ReadOnly;
             }