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using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
namespace Apewer.Internals
{
internal class NtfsUnlocker
{
#region Win32
[DllImport("kernel32.dll", CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
static extern int FormatMessage(int dwFlags, IntPtr lpSource, int dwMessageId, int dwLanguageId, StringBuilder lpBuffer, int nSize, IntPtr vaListArguments);
[DllImport("kernel32", CharSet = CharSet.Unicode, SetLastError = true)]
static extern int GetFileAttributes(string fileName);
[DllImport("kernel32", CharSet = CharSet.Unicode, SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool DeleteFile(string name);
#endregion
public const string Postfix = ":Zone.Identifier";
/// <summary>获取标记的路径。</summary>
public static string GetZoneIdentifier(string path)
{
if (!File.Exists(path)) return null;
try
{
var info = new FileInfo(path);
var zoneIdentifier = info.FullName + Postfix;
return zoneIdentifier;
}
catch
{
return null;
}
}
/// <summary>检查标记是否存在。</summary>
public static bool ZoneIdentifierExists(string zoneIdentifier)
{
var attributes = GetFileAttributes(zoneIdentifier);
var exists = attributes != -1;
return exists;
}
/// <summary>删除标记。</summary>
public static bool DeleteZoneIdentifier(string zoneIdentifier)
{
var deleted = DeleteFile(zoneIdentifier);
return deleted;
}
}
}