diff options
Diffstat (limited to 'Emby.Server.Implementations/IO/ManagedFileSystem.cs')
| -rw-r--r-- | Emby.Server.Implementations/IO/ManagedFileSystem.cs | 111 |
1 files changed, 59 insertions, 52 deletions
diff --git a/Emby.Server.Implementations/IO/ManagedFileSystem.cs b/Emby.Server.Implementations/IO/ManagedFileSystem.cs index 679795dd2..1bc229b0c 100644 --- a/Emby.Server.Implementations/IO/ManagedFileSystem.cs +++ b/Emby.Server.Implementations/IO/ManagedFileSystem.cs @@ -2,16 +2,13 @@ using System; using System.Collections.Generic; -using System.Diagnostics; using System.Globalization; using System.IO; using System.Linq; -using System.Text; +using Jellyfin.Extensions; using MediaBrowser.Common.Configuration; using MediaBrowser.Model.IO; -using MediaBrowser.Model.System; using Microsoft.Extensions.Logging; -using OperatingSystem = MediaBrowser.Common.System.OperatingSystem; namespace Emby.Server.Implementations.IO { @@ -24,7 +21,7 @@ namespace Emby.Server.Implementations.IO private readonly List<IShortcutHandler> _shortcutHandlers = new List<IShortcutHandler>(); private readonly string _tempPath; - private readonly bool _isEnvironmentCaseInsensitive; + private static readonly bool _isEnvironmentCaseInsensitive = OperatingSystem.IsWindows(); public ManagedFileSystem( ILogger<ManagedFileSystem> logger, @@ -32,8 +29,6 @@ namespace Emby.Server.Implementations.IO { Logger = logger; _tempPath = applicationPaths.TempDirectory; - - _isEnvironmentCaseInsensitive = OperatingSystem.Id == OperatingSystemId.Windows; } public virtual void AddShortcutHandler(IShortcutHandler handler) @@ -55,7 +50,7 @@ namespace Emby.Server.Implementations.IO } var extension = Path.GetExtension(filename); - return _shortcutHandlers.Any(i => string.Equals(extension, i.Extension, _isEnvironmentCaseInsensitive ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal)); + return _shortcutHandlers.Any(i => string.Equals(extension, i.Extension, StringComparison.OrdinalIgnoreCase)); } /// <summary> @@ -64,7 +59,7 @@ namespace Emby.Server.Implementations.IO /// <param name="filename">The filename.</param> /// <returns>System.String.</returns> /// <exception cref="ArgumentNullException">filename</exception> - public virtual string ResolveShortcut(string filename) + public virtual string? ResolveShortcut(string filename) { if (string.IsNullOrEmpty(filename)) { @@ -72,7 +67,7 @@ namespace Emby.Server.Implementations.IO } var extension = Path.GetExtension(filename); - var handler = _shortcutHandlers.FirstOrDefault(i => string.Equals(extension, i.Extension, StringComparison.OrdinalIgnoreCase)); + var handler = _shortcutHandlers.Find(i => string.Equals(extension, i.Extension, StringComparison.OrdinalIgnoreCase)); return handler?.Resolve(filename); } @@ -246,16 +241,23 @@ namespace Emby.Server.Implementations.IO { result.Length = fileInfo.Length; - // Issue #2354 get the size of files behind symbolic links - if (fileInfo.Attributes.HasFlag(FileAttributes.ReparsePoint)) + // Issue #2354 get the size of files behind symbolic links. Also Enum.HasFlag is bad as it boxes! + if ((fileInfo.Attributes & FileAttributes.ReparsePoint) == FileAttributes.ReparsePoint) { - using (Stream thisFileStream = File.OpenRead(fileInfo.FullName)) + try { - result.Length = thisFileStream.Length; + using (Stream thisFileStream = new FileStream(fileInfo.FullName, FileMode.Open, FileAccess.Read, FileShare.Read, 1)) + { + result.Length = thisFileStream.Length; + } + } + 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); + result.Exists = false; } } - - result.DirectoryName = fileInfo.DirectoryName; } result.CreationTimeUtc = GetCreationTimeUtc(info); @@ -294,16 +296,37 @@ namespace Emby.Server.Implementations.IO /// <param name="filename">The filename.</param> /// <returns>System.String.</returns> /// <exception cref="ArgumentNullException">The filename is null.</exception> - public virtual string GetValidFilename(string filename) + public string GetValidFilename(string filename) { - var builder = new StringBuilder(filename); - - foreach (var c in Path.GetInvalidFileNameChars()) + var invalid = Path.GetInvalidFileNameChars(); + var first = filename.IndexOfAny(invalid); + if (first == -1) { - builder = builder.Replace(c, ' '); + // Fast path for clean strings + return filename; } - return builder.ToString(); + return string.Create( + filename.Length, + (filename, invalid, first), + (chars, state) => + { + state.filename.AsSpan().CopyTo(chars); + + chars[state.first++] = ' '; + + var len = chars.Length; + foreach (var c in state.invalid) + { + for (int i = state.first; i < len; i++) + { + if (chars[i] == c) + { + chars[i] = ' '; + } + } + } + }); } /// <summary> @@ -376,7 +399,7 @@ namespace Emby.Server.Implementations.IO public virtual void SetHidden(string path, bool isHidden) { - if (OperatingSystem.Id != OperatingSystemId.Windows) + if (!OperatingSystem.IsWindows()) { return; } @@ -398,9 +421,9 @@ 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.Id != OperatingSystemId.Windows) + if (!OperatingSystem.IsWindows()) { return; } @@ -412,14 +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; } @@ -576,7 +599,7 @@ namespace Emby.Server.Implementations.IO return GetFiles(path, null, false, recursive); } - public virtual IEnumerable<FileSystemMetadata> GetFiles(string path, IReadOnlyList<string> extensions, bool enableCaseSensitiveExtensions, bool recursive = false) + public virtual IEnumerable<FileSystemMetadata> GetFiles(string path, IReadOnlyList<string>? extensions, bool enableCaseSensitiveExtensions, bool recursive = false) { var enumerationOptions = GetEnumerationOptions(recursive); @@ -593,13 +616,13 @@ namespace Emby.Server.Implementations.IO { files = files.Where(i => { - var ext = i.Extension; - if (ext == null) + var ext = i.Extension.AsSpan(); + if (ext.IsEmpty) { return false; } - return extensions.Contains(ext, StringComparer.OrdinalIgnoreCase); + return extensions.Contains(ext, StringComparison.OrdinalIgnoreCase); }); } @@ -611,8 +634,7 @@ namespace Emby.Server.Implementations.IO var directoryInfo = new DirectoryInfo(path); var enumerationOptions = GetEnumerationOptions(recursive); - return ToMetadata(directoryInfo.EnumerateDirectories("*", enumerationOptions)) - .Concat(ToMetadata(directoryInfo.EnumerateFiles("*", enumerationOptions))); + return ToMetadata(directoryInfo.EnumerateFileSystemInfos("*", enumerationOptions)); } private IEnumerable<FileSystemMetadata> ToMetadata(IEnumerable<FileSystemInfo> infos) @@ -630,7 +652,7 @@ namespace Emby.Server.Implementations.IO return GetFilePaths(path, null, false, recursive); } - public virtual IEnumerable<string> GetFilePaths(string path, string[] extensions, bool enableCaseSensitiveExtensions, bool recursive = false) + public virtual IEnumerable<string> GetFilePaths(string path, string[]? extensions, bool enableCaseSensitiveExtensions, bool recursive = false) { var enumerationOptions = GetEnumerationOptions(recursive); @@ -647,13 +669,13 @@ namespace Emby.Server.Implementations.IO { files = files.Where(i => { - var ext = Path.GetExtension(i); - if (ext == null) + var ext = Path.GetExtension(i.AsSpan()); + if (ext.IsEmpty) { return false; } - return extensions.Contains(ext, StringComparer.OrdinalIgnoreCase); + return extensions.Contains(ext, StringComparison.OrdinalIgnoreCase); }); } @@ -675,20 +697,5 @@ namespace Emby.Server.Implementations.IO AttributesToSkip = 0 }; } - - private static void RunProcess(string path, string args, string workingDirectory) - { - using (var process = Process.Start(new ProcessStartInfo - { - Arguments = args, - FileName = path, - CreateNoWindow = true, - WorkingDirectory = workingDirectory, - WindowStyle = ProcessWindowStyle.Normal - })) - { - process.WaitForExit(); - } - } } } |