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https://github.com/Readarr/Readarr.git
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DiskProvider split to Windows and Mono projects
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Mark McDowall
@@ -0,0 +1,396 @@
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using System;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Security.AccessControl;
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using System.Security.Principal;
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using NLog;
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using NzbDrone.Common.EnsureThat;
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using NzbDrone.Common.EnvironmentInfo;
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using NzbDrone.Common.Instrumentation;
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namespace NzbDrone.Common.Disk
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{
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public abstract class DiskProviderBase : IDiskProvider
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{
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enum TransferAction
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{
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Copy,
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Move
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}
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private static readonly Logger Logger = NzbDroneLogger.GetLogger();
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public abstract long? GetAvailableSpace(string path);
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public abstract void InheritFolderPermissions(string filename);
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public abstract void SetFilePermissions(string path, string mask);
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public abstract long? GetTotalSize(string path);
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public DateTime GetLastFolderWrite(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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if (!FolderExists(path))
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{
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throw new DirectoryNotFoundException("Directory doesn't exist. " + path);
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}
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var dirFiles = GetFiles(path, SearchOption.AllDirectories).ToList();
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if (!dirFiles.Any())
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{
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return new DirectoryInfo(path).LastWriteTimeUtc;
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}
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return dirFiles.Select(f => new FileInfo(f))
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.Max(c => c.LastWriteTimeUtc);
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}
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public DateTime GetLastFileWrite(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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if (!FileExists(path))
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{
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throw new FileNotFoundException("File doesn't exist: " + path);
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}
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return new FileInfo(path).LastWriteTimeUtc;
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}
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public void EnsureFolder(string path)
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{
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if (!FolderExists(path))
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{
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CreateFolder(path);
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}
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}
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public bool FolderExists(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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return Directory.Exists(path);
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}
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public bool FileExists(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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return File.Exists(path);
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}
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public bool FileExists(string path, bool caseSensitive)
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{
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if (caseSensitive)
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{
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return FileExists(path) && path == path.GetActualCasing();
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}
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return FileExists(path);
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}
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public string[] GetDirectories(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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return Directory.GetDirectories(path);
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}
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public string[] GetFiles(string path, SearchOption searchOption)
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{
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Ensure.That(path, () => path).IsValidPath();
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return Directory.GetFiles(path, "*.*", searchOption);
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}
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public long GetFolderSize(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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return GetFiles(path, SearchOption.AllDirectories).Sum(e => new FileInfo(e).Length);
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}
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public long GetFileSize(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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if (!FileExists(path))
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{
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throw new FileNotFoundException("File doesn't exist: " + path);
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}
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var fi = new FileInfo(path);
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return fi.Length;
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}
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public void CreateFolder(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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Directory.CreateDirectory(path);
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}
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public void CopyFolder(string source, string destination)
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{
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Ensure.That(source, () => source).IsValidPath();
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Ensure.That(destination, () => destination).IsValidPath();
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TransferFolder(source, destination, TransferAction.Copy);
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}
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public void MoveFolder(string source, string destination)
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{
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Ensure.That(source, () => source).IsValidPath();
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Ensure.That(destination, () => destination).IsValidPath();
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try
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{
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TransferFolder(source, destination, TransferAction.Move);
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DeleteFolder(source, true);
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}
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catch (Exception e)
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{
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e.Data.Add("Source", source);
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e.Data.Add("Destination", destination);
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throw;
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}
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}
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private void TransferFolder(string source, string target, TransferAction transferAction)
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{
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Ensure.That(source, () => source).IsValidPath();
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Ensure.That(target, () => target).IsValidPath();
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Logger.Trace("{0} {1} -> {2}", transferAction, source, target);
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var sourceFolder = new DirectoryInfo(source);
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var targetFolder = new DirectoryInfo(target);
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if (!targetFolder.Exists)
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{
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targetFolder.Create();
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}
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foreach (var subDir in sourceFolder.GetDirectories())
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{
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TransferFolder(subDir.FullName, Path.Combine(target, subDir.Name), transferAction);
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}
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foreach (var sourceFile in sourceFolder.GetFiles("*.*", SearchOption.TopDirectoryOnly))
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{
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var destFile = Path.Combine(target, sourceFile.Name);
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Logger.Trace("{0} {1} -> {2}", transferAction, sourceFile, destFile);
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switch (transferAction)
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{
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case TransferAction.Copy:
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{
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sourceFile.CopyTo(destFile, true);
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break;
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}
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case TransferAction.Move:
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{
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MoveFile(sourceFile.FullName, destFile);
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break;
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}
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}
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}
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}
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public void DeleteFile(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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Logger.Trace("Deleting file: {0}", path);
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RemoveReadOnly(path);
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File.Delete(path);
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}
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public void MoveFile(string source, string destination)
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{
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Ensure.That(source, () => source).IsValidPath();
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Ensure.That(destination, () => destination).IsValidPath();
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if (source.PathEquals(destination))
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{
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Logger.Warn("Source and destination can't be the same {0}", source);
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return;
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}
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if (FileExists(destination))
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{
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DeleteFile(destination);
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}
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RemoveReadOnly(source);
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File.Move(source, destination);
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}
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public void DeleteFolder(string path, bool recursive)
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{
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Ensure.That(path, () => path).IsValidPath();
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Directory.Delete(path, recursive);
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}
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public string ReadAllText(string filePath)
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{
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Ensure.That(filePath, () => filePath).IsValidPath();
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return File.ReadAllText(filePath);
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}
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public void WriteAllText(string filename, string contents)
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{
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Ensure.That(filename, () => filename).IsValidPath();
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RemoveReadOnly(filename);
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File.WriteAllText(filename, contents);
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}
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public void FileSetLastWriteTimeUtc(string path, DateTime dateTime)
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{
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Ensure.That(path, () => path).IsValidPath();
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File.SetLastWriteTimeUtc(path, dateTime);
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}
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public void FolderSetLastWriteTimeUtc(string path, DateTime dateTime)
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{
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Ensure.That(path, () => path).IsValidPath();
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Directory.SetLastWriteTimeUtc(path, dateTime);
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}
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public bool IsFileLocked(string file)
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{
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try
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{
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using (File.Open(file, FileMode.Open, FileAccess.Read, FileShare.None))
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{
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return false;
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}
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}
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catch (IOException)
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{
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return true;
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}
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}
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public string GetPathRoot(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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return Path.GetPathRoot(path);
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}
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public string GetParentFolder(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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var parent = Directory.GetParent(path);
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if (parent == null)
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{
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return null;
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}
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return parent.FullName;
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}
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public void SetPermissions(string filename, WellKnownSidType accountSid, FileSystemRights rights, AccessControlType controlType)
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{
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try
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{
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var sid = new SecurityIdentifier(accountSid, null);
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var directoryInfo = new DirectoryInfo(filename);
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var directorySecurity = directoryInfo.GetAccessControl();
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var accessRule = new FileSystemAccessRule(sid, rights,
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InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit,
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PropagationFlags.None, controlType);
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directorySecurity.AddAccessRule(accessRule);
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directoryInfo.SetAccessControl(directorySecurity);
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}
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catch (Exception e)
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{
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Logger.WarnException(string.Format("Couldn't set permission for {0}. account:{1} rights:{2} accessControlType:{3}", filename, accountSid, rights, controlType), e);
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throw;
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}
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}
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public bool IsParent(string parentPath, string childPath)
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{
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parentPath = parentPath.TrimEnd(Path.DirectorySeparatorChar);
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childPath = childPath.TrimEnd(Path.DirectorySeparatorChar);
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var parent = new DirectoryInfo(parentPath);
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var child = new DirectoryInfo(childPath);
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while (child.Parent != null)
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{
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if (child.Parent.FullName == parent.FullName)
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{
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return true;
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}
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child = child.Parent;
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}
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return false;
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}
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public void SetFolderWriteTime(string path, DateTime time)
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{
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Directory.SetLastWriteTimeUtc(path, time);
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}
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private static void RemoveReadOnly(string path)
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{
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if (File.Exists(path))
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{
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var newAttributes = File.GetAttributes(path) & ~(FileAttributes.ReadOnly);
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File.SetAttributes(path, newAttributes);
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}
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}
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public FileAttributes GetFileAttributes(string path)
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{
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return File.GetAttributes(path);
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}
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public void EmptyFolder(string path)
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{
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Ensure.That(path, () => path).IsValidPath();
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foreach (var file in GetFiles(path, SearchOption.TopDirectoryOnly))
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{
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DeleteFile(file);
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}
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foreach (var directory in GetDirectories(path))
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{
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DeleteFolder(directory, true);
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}
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}
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public string[] GetFixedDrives()
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{
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return (DriveInfo.GetDrives().Where(x => x.DriveType == DriveType.Fixed).Select(x => x.Name)).ToArray();
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}
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public string GetVolumeLabel(string path)
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{
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var driveInfo = DriveInfo.GetDrives().SingleOrDefault(d => d.Name == path);
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if (driveInfo == null)
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{
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return null;
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}
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return driveInfo.VolumeLabel;
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}
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}
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}
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