mirror of
https://github.com/jellyfin/jellyfin.git
synced 2025-11-04 03:27:21 -05:00
337 lines
11 KiB
C#
337 lines
11 KiB
C#
using MediaBrowser.Common.IO;
|
|
using MediaBrowser.Model.Logging;
|
|
using System;
|
|
using System.IO;
|
|
using System.Text;
|
|
|
|
namespace MediaBrowser.Common.Implementations.IO
|
|
{
|
|
/// <summary>
|
|
/// Class CommonFileSystem
|
|
/// </summary>
|
|
public class CommonFileSystem : IFileSystem
|
|
{
|
|
protected ILogger Logger;
|
|
|
|
private readonly bool _supportsAsyncFileStreams;
|
|
|
|
public CommonFileSystem(ILogger logger, bool supportsAsyncFileStreams)
|
|
{
|
|
Logger = logger;
|
|
_supportsAsyncFileStreams = supportsAsyncFileStreams;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified filename is shortcut.
|
|
/// </summary>
|
|
/// <param name="filename">The filename.</param>
|
|
/// <returns><c>true</c> if the specified filename is shortcut; otherwise, <c>false</c>.</returns>
|
|
/// <exception cref="System.ArgumentNullException">filename</exception>
|
|
public virtual bool IsShortcut(string filename)
|
|
{
|
|
if (string.IsNullOrEmpty(filename))
|
|
{
|
|
throw new ArgumentNullException("filename");
|
|
}
|
|
|
|
var extension = Path.GetExtension(filename);
|
|
|
|
return string.Equals(extension, ".mblink", StringComparison.OrdinalIgnoreCase);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Resolves the shortcut.
|
|
/// </summary>
|
|
/// <param name="filename">The filename.</param>
|
|
/// <returns>System.String.</returns>
|
|
/// <exception cref="System.ArgumentNullException">filename</exception>
|
|
public virtual string ResolveShortcut(string filename)
|
|
{
|
|
if (string.IsNullOrEmpty(filename))
|
|
{
|
|
throw new ArgumentNullException("filename");
|
|
}
|
|
|
|
if (string.Equals(Path.GetExtension(filename), ".mblink", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return File.ReadAllText(filename);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates the shortcut.
|
|
/// </summary>
|
|
/// <param name="shortcutPath">The shortcut path.</param>
|
|
/// <param name="target">The target.</param>
|
|
/// <exception cref="System.ArgumentNullException">
|
|
/// shortcutPath
|
|
/// or
|
|
/// target
|
|
/// </exception>
|
|
public void CreateShortcut(string shortcutPath, string target)
|
|
{
|
|
if (string.IsNullOrEmpty(shortcutPath))
|
|
{
|
|
throw new ArgumentNullException("shortcutPath");
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(target))
|
|
{
|
|
throw new ArgumentNullException("target");
|
|
}
|
|
|
|
File.WriteAllText(shortcutPath, target);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the file system info.
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns>FileSystemInfo.</returns>
|
|
public FileSystemInfo GetFileSystemInfo(string path)
|
|
{
|
|
if (string.IsNullOrEmpty(path))
|
|
{
|
|
throw new ArgumentNullException("path");
|
|
}
|
|
|
|
// Take a guess to try and avoid two file system hits, but we'll double-check by calling Exists
|
|
if (Path.HasExtension(path))
|
|
{
|
|
var fileInfo = new FileInfo(path);
|
|
|
|
if (fileInfo.Exists)
|
|
{
|
|
return fileInfo;
|
|
}
|
|
|
|
return new DirectoryInfo(path);
|
|
}
|
|
else
|
|
{
|
|
var fileInfo = new DirectoryInfo(path);
|
|
|
|
if (fileInfo.Exists)
|
|
{
|
|
return fileInfo;
|
|
}
|
|
|
|
return new FileInfo(path);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// The space char
|
|
/// </summary>
|
|
private const char SpaceChar = ' ';
|
|
/// <summary>
|
|
/// The invalid file name chars
|
|
/// </summary>
|
|
#if __MonoCS__
|
|
//GetInvalidFileNameChars is less restrictive in Linux/Mac than Windows, this mimic Windows behavior for mono under Linux/Mac.
|
|
private static readonly char[] InvalidFileNameChars = new char [41] { '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07',
|
|
'\x08', '\x09', '\x0A', '\x0B', '\x0C', '\x0D', '\x0E', '\x0F', '\x10', '\x11', '\x12',
|
|
'\x13', '\x14', '\x15', '\x16', '\x17', '\x18', '\x19', '\x1A', '\x1B', '\x1C', '\x1D',
|
|
'\x1E', '\x1F', '\x22', '\x3C', '\x3E', '\x7C', ':', '*', '?', '\\', '/' };
|
|
#else
|
|
private static readonly char[] InvalidFileNameChars = Path.GetInvalidFileNameChars();
|
|
#endif
|
|
|
|
/// <summary>
|
|
/// Takes a filename and removes invalid characters
|
|
/// </summary>
|
|
/// <param name="filename">The filename.</param>
|
|
/// <returns>System.String.</returns>
|
|
/// <exception cref="System.ArgumentNullException">filename</exception>
|
|
public string GetValidFilename(string filename)
|
|
{
|
|
if (string.IsNullOrEmpty(filename))
|
|
{
|
|
throw new ArgumentNullException("filename");
|
|
}
|
|
|
|
var builder = new StringBuilder(filename);
|
|
|
|
foreach (var c in InvalidFileNameChars)
|
|
{
|
|
builder = builder.Replace(c, SpaceChar);
|
|
}
|
|
|
|
return builder.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the creation time UTC.
|
|
/// </summary>
|
|
/// <param name="info">The info.</param>
|
|
/// <returns>DateTime.</returns>
|
|
public DateTime GetCreationTimeUtc(FileSystemInfo info)
|
|
{
|
|
// This could throw an error on some file systems that have dates out of range
|
|
try
|
|
{
|
|
return info.CreationTimeUtc;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.ErrorException("Error determining CreationTimeUtc for {0}", ex, info.FullName);
|
|
return DateTime.MinValue;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the creation time UTC.
|
|
/// </summary>
|
|
/// <param name="info">The info.</param>
|
|
/// <returns>DateTime.</returns>
|
|
public DateTime GetLastWriteTimeUtc(FileSystemInfo info)
|
|
{
|
|
// This could throw an error on some file systems that have dates out of range
|
|
try
|
|
{
|
|
return info.LastWriteTimeUtc;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.ErrorException("Error determining LastAccessTimeUtc for {0}", ex, info.FullName);
|
|
return DateTime.MinValue;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the last write time UTC.
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns>DateTime.</returns>
|
|
public DateTime GetLastWriteTimeUtc(string path)
|
|
{
|
|
return GetLastWriteTimeUtc(GetFileSystemInfo(path));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the file stream.
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="mode">The mode.</param>
|
|
/// <param name="access">The access.</param>
|
|
/// <param name="share">The share.</param>
|
|
/// <param name="isAsync">if set to <c>true</c> [is asynchronous].</param>
|
|
/// <returns>FileStream.</returns>
|
|
public FileStream GetFileStream(string path, FileMode mode, FileAccess access, FileShare share, bool isAsync = false)
|
|
{
|
|
if (_supportsAsyncFileStreams && isAsync)
|
|
{
|
|
return new FileStream(path, mode, access, share, 4096, true);
|
|
}
|
|
|
|
return new FileStream(path, mode, access, share);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Swaps the files.
|
|
/// </summary>
|
|
/// <param name="file1">The file1.</param>
|
|
/// <param name="file2">The file2.</param>
|
|
public void SwapFiles(string file1, string file2)
|
|
{
|
|
if (string.IsNullOrEmpty(file1))
|
|
{
|
|
throw new ArgumentNullException("file1");
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(file2))
|
|
{
|
|
throw new ArgumentNullException("file2");
|
|
}
|
|
|
|
var temp1 = Path.GetTempFileName();
|
|
var temp2 = Path.GetTempFileName();
|
|
|
|
// Copying over will fail against hidden files
|
|
RemoveHiddenAttribute(file1);
|
|
RemoveHiddenAttribute(file2);
|
|
|
|
File.Copy(file1, temp1, true);
|
|
File.Copy(file2, temp2, true);
|
|
|
|
File.Copy(temp1, file2, true);
|
|
File.Copy(temp2, file1, true);
|
|
|
|
File.Delete(temp1);
|
|
File.Delete(temp2);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Removes the hidden attribute.
|
|
/// </summary>
|
|
/// <param name="path">The path.</param>
|
|
private void RemoveHiddenAttribute(string path)
|
|
{
|
|
if (string.IsNullOrEmpty(path))
|
|
{
|
|
throw new ArgumentNullException("path");
|
|
}
|
|
|
|
var currentFile = new FileInfo(path);
|
|
|
|
// This will fail if the file is hidden
|
|
if (currentFile.Exists)
|
|
{
|
|
if ((currentFile.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
|
|
{
|
|
currentFile.Attributes &= ~FileAttributes.Hidden;
|
|
}
|
|
}
|
|
}
|
|
|
|
public bool ContainsSubPath(string parentPath, string path)
|
|
{
|
|
if (string.IsNullOrEmpty(parentPath))
|
|
{
|
|
throw new ArgumentNullException("parentPath");
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(path))
|
|
{
|
|
throw new ArgumentNullException("path");
|
|
}
|
|
|
|
return path.IndexOf(parentPath.TrimEnd(Path.DirectorySeparatorChar) + Path.DirectorySeparatorChar, StringComparison.OrdinalIgnoreCase) != -1;
|
|
}
|
|
|
|
public bool IsRootPath(string path)
|
|
{
|
|
if (string.IsNullOrEmpty(path))
|
|
{
|
|
throw new ArgumentNullException("path");
|
|
}
|
|
|
|
var parent = Path.GetDirectoryName(path);
|
|
|
|
if (!string.IsNullOrEmpty(parent))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public string NormalizePath(string path)
|
|
{
|
|
if (string.IsNullOrEmpty(path))
|
|
{
|
|
throw new ArgumentNullException("path");
|
|
}
|
|
|
|
if (path.EndsWith(":\\", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return path;
|
|
}
|
|
|
|
return path.TrimEnd(Path.DirectorySeparatorChar);
|
|
}
|
|
}
|
|
}
|