using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Security;
using System.Text;
using CommonIO;
namespace MediaBrowser.ServerApplication.Native
{
public class LnkShortcutHandler : IShortcutHandler
{
public string Extension
{
get { return ".lnk"; }
}
public string Resolve(string shortcutPath)
{
var link = new ShellLink();
((IPersistFile)link).Load(shortcutPath, NativeMethods.STGM_READ);
// ((IShellLinkW)link).Resolve(hwnd, 0)
var sb = new StringBuilder(NativeMethods.MAX_PATH);
WIN32_FIND_DATA data;
((IShellLinkW)link).GetPath(sb, sb.Capacity, out data, 0);
return sb.ToString();
}
public void Create(string shortcutPath, string targetPath)
{
throw new NotImplementedException();
}
}
/// <summary>
/// Class NativeMethods
/// </summary>
[SuppressUnmanagedCodeSecurity]
public static class NativeMethods
{
/// <summary>
/// The MA x_ PATH
/// </summary>
public const int MAX_PATH = 260;
/// <summary>
/// The MA x_ ALTERNATE
/// </summary>
public const int MAX_ALTERNATE = 14;
/// <summary>
/// The INVALI d_ HANDL e_ VALUE
/// </summary>
public static IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
/// <summary>
/// The STG m_ READ
/// </summary>
public const uint STGM_READ = 0;
}
/// <summary>
/// Struct FILETIME
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct FILETIME
{
/// <summary>
/// The dw low date time
/// </summary>
public uint dwLowDateTime;
/// <summary>
/// The dw high date time
/// </summary>
public uint dwHighDateTime;
}
/// <summary>
/// Struct WIN32_FIND_DATA
/// </summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WIN32_FIND_DATA
{
/// <summary>
/// The dw file attributes
/// </summary>
public FileAttributes dwFileAttributes;
/// <summary>
/// The ft creation time
/// </summary>
public FILETIME ftCreationTime;
/// <summary>
/// The ft last access time
/// </summary>
public FILETIME ftLastAccessTime;
/// <summary>
/// The ft last write time
/// </summary>
public FILETIME ftLastWriteTime;
/// <summary>
/// The n file size high
/// </summary>
public int nFileSizeHigh;
/// <summary>
/// The n file size low
/// </summary>
public int nFileSizeLow;
/// <summary>
/// The dw reserved0
/// </summary>
public int dwReserved0;
/// <summary>
/// The dw reserved1
/// </summary>
public int dwReserved1;
/// <summary>
/// The c file name
/// </summary>
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = NativeMethods.MAX_PATH)]
public string cFileName;
/// <summary>
/// This will always be null when FINDEX_INFO_LEVELS = basic
/// </summary>
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = NativeMethods.MAX_ALTERNATE)]
public string cAlternate;
/// <summary>
/// Gets or sets the path.
/// </summary>
/// <value>The path.</value>
public string Path { get; set; }
/// <summary>
/// Returns a <see cref="System.String" /> that represents this instance.
/// </summary>
/// <returns>A <see cref="System.String" /> that represents this instance.</returns>
public override string ToString()
{
return Path ?? string.Empty;
}
}
/// <summary>
/// Enum SLGP_FLAGS
/// </summary>
[Flags]
public enum SLGP_FLAGS
{
/// <summary>
/// Retrieves the standard short (8.3 format) file name
/// </summary>
SLGP_SHORTPATH = 0x1,
/// <summary>
/// Retrieves the Universal Naming Convention (UNC) path name of the file
/// </summary>
SLGP_UNCPRIORITY = 0x2,
/// <summary>
/// Retrieves the raw path name. A raw path is something that might not exist and may include environment variables that need to be expanded
/// </summary>
SLGP_RAWPATH = 0x4
}
/// <summary>
/// Enum SLR_FLAGS
/// </summary>
[Flags]
public enum SLR_FLAGS
{
/// <summary>
/// Do not display a dialog box if the link cannot be resolved. When SLR_NO_UI is set,
/// the high-order word of fFlags can be set to a time-out value that specifies the
/// maximum amount of time to be spent resolving the link. The function returns if the
/// link cannot be resolved within the time-out duration. If the high-order word is set
/// to zero, the time-out duration will be set to the default value of 3,000 milliseconds
/// (3 seconds). To specify a value, set the high word of fFlags to the desired time-out
/// duration, in milliseconds.
/// </summary>
SLR_NO_UI = 0x1,
/// <summary>
/// Obsolete and no longer used
/// </summary>
SLR_ANY_MATCH = 0x2,
/// <summary>
/// If the link object has changed, update its path and list of identifiers.
/// If SLR_UPDATE is set, you do not need to call IPersistFile::IsDirty to determine
/// whether or not the link object has changed.
/// </summary>
SLR_UPDATE = 0x4,
/// <summary>
/// Do not update the link information
/// </summary>
SLR_NOUPDATE = 0x8,
/// <summary>
/// Do not execute the search heuristics
/// </summary>
SLR_NOSEARCH = 0x10,
/// <summary>
/// Do not use distributed link tracking
/// </summary>
SLR_NOTRACK = 0x20,
/// <summary>
/// Disable distributed link tracking. By default, distributed link tracking tracks
/// removable media across multiple devices based on the volume name. It also uses the
/// Universal Naming Convention (UNC) path to track remote file systems whose drive letter
/// has changed. Setting SLR_NOLINKINFO disables both types of tracking.
/// </summary>
SLR_NOLINKINFO = 0x40,
/// <summary>
/// Call the Microsoft Windows Installer
/// </summary>
SLR_INVOKE_MSI = 0x80
}
/// <summary>
/// The IShellLink interface allows Shell links to be created, modified, and resolved
/// </summary>
[ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("000214F9-0000-0000-C000-000000000046")]
public interface IShellLinkW
{
/// <summary>
/// Retrieves the path and file name of a Shell link object
/// </summary>
/// <param name="pszFile">The PSZ file.</param>
/// <param name="cchMaxPath">The CCH max path.</param>
/// <param name="pfd">The PFD.</param>
/// <param name="fFlags">The f flags.</param>
void GetPath([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile, int cchMaxPath, out WIN32_FIND_DATA pfd, SLGP_FLAGS fFlags);
/// <summary>
/// Retrieves the list of item identifiers for a Shell link object
/// </summary>
/// <param name="ppidl">The ppidl.</param>
void GetIDList(out IntPtr ppidl);
/// <summary>
/// Sets the pointer to an item identifier list (PIDL) for a Shell link object.
/// </summary>
/// <param name="pidl">The pidl.</param>
void SetIDList(IntPtr pidl);
/// <summary>
/// Retrieves the description string for a Shell link object
/// </summary>
/// <param name="pszName">Name of the PSZ.</param>
/// <param name="cchMaxName">Name of the CCH max.</param>
void GetDescription([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszName, int cchMaxName);
/// <summary>
/// Sets the description for a Shell link object. The description can be any application-defined string
/// </summary>
/// <param name="pszName">Name of the PSZ.</param>
void SetDescription([MarshalAs(UnmanagedType.LPWStr)] string pszName);
/// <summary>
/// Retrieves the name of the working directory for a Shell link object
/// </summary>
/// <param name="pszDir">The PSZ dir.</param>
/// <param name="cchMaxPath">The CCH max path.</param>
void GetWorkingDirectory([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszDir, int cchMaxPath);
/// <summary>
/// Sets the name of the working directory for a Shell link object
/// </summary>
/// <param name="pszDir">The PSZ dir.</param>
void SetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] string pszDir);
/// <summary>
/// Retrieves the command-line arguments associated with a Shell link object
/// </summary>
/// <param name="pszArgs">The PSZ args.</param>
/// <param name="cchMaxPath">The CCH max path.</param>
void GetArguments([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszArgs, int cchMaxPath);
/// <summary>
/// Sets the command-line arguments for a Shell link object
/// </summary>
/// <param name="pszArgs">The PSZ args.</param>
void SetArguments([MarshalAs(UnmanagedType.LPWStr)] string pszArgs);
/// <summary>
/// Retrieves the hot key for a Shell link object
/// </summary>
/// <param name="pwHotkey">The pw hotkey.</param>
void GetHotkey(out short pwHotkey);
/// <summary>
/// Sets a hot key for a Shell link object
/// </summary>
/// <param name="wHotkey">The w hotkey.</param>
void SetHotkey(short wHotkey);
/// <summary>
/// Retrieves the show command for a Shell link object
/// </summary>
/// <param name="piShowCmd">The pi show CMD.</param>
void GetShowCmd(out int piShowCmd);
/// <summary>
/// Sets the show command for a Shell link object. The show command sets the initial show state of the window.
/// </summary>
/// <param name="iShowCmd">The i show CMD.</param>
void SetShowCmd(int iShowCmd);
/// <summary>
/// Retrieves the location (path and index) of the icon for a Shell link object
/// </summary>
/// <param name="pszIconPath">The PSZ icon path.</param>
/// <param name="cchIconPath">The CCH icon path.</param>
/// <param name="piIcon">The pi icon.</param>
void GetIconLocation([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszIconPath,
int cchIconPath, out int piIcon);
/// <summary>
/// Sets the location (path and index) of the icon for a Shell link object
/// </summary>
/// <param name="pszIconPath">The PSZ icon path.</param>
/// <param name="iIcon">The i icon.</param>
void SetIconLocation([MarshalAs(UnmanagedType.LPWStr)] string pszIconPath, int iIcon);
/// <summary>
/// Sets the relative path to the Shell link object
/// </summary>
/// <param name="pszPathRel">The PSZ path rel.</param>
/// <param name="dwReserved">The dw reserved.</param>
void SetRelativePath([MarshalAs(UnmanagedType.LPWStr)] string pszPathRel, int dwReserved);
/// <summary>
/// Attempts to find the target of a Shell link, even if it has been moved or renamed
/// </summary>
/// <param name="hwnd">The HWND.</param>
/// <param name="fFlags">The f flags.</param>
void Resolve(IntPtr hwnd, SLR_FLAGS fFlags);
/// <summary>
/// Sets the path and file name of a Shell link object
/// </summary>
/// <param name="pszFile">The PSZ file.</param>
void SetPath([MarshalAs(UnmanagedType.LPWStr)] string pszFile);
}
/// <summary>
/// Interface IPersist
/// </summary>
[ComImport, Guid("0000010c-0000-0000-c000-000000000046"),
InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
public interface IPersist
{
/// <summary>
/// Gets the class ID.
/// </summary>
/// <param name="pClassID">The p class ID.</param>
[PreserveSig]
void GetClassID(out Guid pClassID);
}
/// <summary>
/// Interface IPersistFile
/// </summary>
[ComImport, Guid("0000010b-0000-0000-C000-000000000046"),
InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
public interface IPersistFile : IPersist
{
/// <summary>
/// Gets the class ID.
/// </summary>
/// <param name="pClassID">The p class ID.</param>
new void GetClassID(out Guid pClassID);
/// <summary>
/// Determines whether this instance is dirty.
/// </summary>
[PreserveSig]
int IsDirty();
/// <summary>
/// Loads the specified PSZ file name.
/// </summary>
/// <param name="pszFileName">Name of the PSZ file.</param>
/// <param name="dwMode">The dw mode.</param>
[PreserveSig]
void Load([In, MarshalAs(UnmanagedType.LPWStr)]
string pszFileName, uint dwMode);
/// <summary>
/// Saves the specified PSZ file name.
/// </summary>
/// <param name="pszFileName">Name of the PSZ file.</param>
/// <param name="remember">if set to <c>true</c> [remember].</param>
[PreserveSig]
void Save([In, MarshalAs(UnmanagedType.LPWStr)] string pszFileName,
[In, MarshalAs(UnmanagedType.Bool)] bool remember);
/// <summary>
/// Saves the completed.
/// </summary>
/// <param name="pszFileName">Name of the PSZ file.</param>
[PreserveSig]
void SaveCompleted([In, MarshalAs(UnmanagedType.LPWStr)] string pszFileName);
/// <summary>
/// Gets the cur file.
/// </summary>
/// <param name="ppszFileName">Name of the PPSZ file.</param>
[PreserveSig]
void GetCurFile([In, MarshalAs(UnmanagedType.LPWStr)] string ppszFileName);
}
// CLSID_ShellLink from ShlGuid.h
/// <summary>
/// Class ShellLink
/// </summary>
[
ComImport,
Guid("00021401-0000-0000-C000-000000000046")
]
public class ShellLink
{
}
}