PowerToys/Plugins/Wox.Plugin.Program/Programs/Win32.cs

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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
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using System.Text;
using Microsoft.Win32;
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using Shell;
using Wox.Infrastructure.Logger;
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namespace Wox.Plugin.Program.Programs
{
[Serializable]
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public class Win32
{
public string FullName { get; set; }
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public string IcoPath { get; set; }
public string FullPath { get; set; }
public string ParentDirectory { get; set; }
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public string ExecutableName { get; set; }
public int Score { get; set; }
private const string ShortcutExtension = "lnk";
private const string ApplicationReferenceExtension = "appref-ms";
private const string ExeExtension = "exe";
public override string ToString()
{
return ExecutableName;
}
private static Win32 Win32Program(string path)
{
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var p = new Win32
{
FullName = Path.GetFileNameWithoutExtension(path),
IcoPath = path,
FullPath = path,
ParentDirectory = Directory.GetParent(path).FullName,
};
return p;
}
private static Win32 LnkProgram(string path)
{
var program = Win32Program(path);
try
{
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var link = new ShellLink();
const uint STGM_READ = 0;
((IPersistFile)link).Load(path, STGM_READ);
var hwnd = new _RemotableHandle();
link.Resolve(ref hwnd, 0);
const int MAX_PATH = 260;
StringBuilder buffer = new StringBuilder(MAX_PATH);
link.GetDescription(buffer, MAX_PATH);
var description = buffer.ToString();
if (!string.IsNullOrEmpty(description))
{
program.FullName += $": {description}";
}
else
{
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buffer = new StringBuilder(MAX_PATH);
var data = new _WIN32_FIND_DATAW();
const uint SLGP_SHORTPATH = 1;
link.GetPath(buffer, buffer.Capacity, ref data, SLGP_SHORTPATH);
var target = buffer.ToString();
if (!string.IsNullOrEmpty(target))
{
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var info = FileVersionInfo.GetVersionInfo(target);
if (!string.IsNullOrEmpty(info.FileDescription))
{
program.FullName += $": {info.FileDescription}";
}
}
}
return program;
}
catch (Exception)
{
Log.Error($"Error when parsing shortcut: {path}");
return program;
}
}
private static Win32 ExeProgram(string path)
{
var program = Win32Program(path);
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var info = FileVersionInfo.GetVersionInfo(path);
if (!string.IsNullOrEmpty(info.FileDescription))
{
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program.FullName += $": {info.FileDescription}";
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}
return program;
}
private static IEnumerable<string> ProgramPaths(string directory, string[] suffixes)
{
if (Directory.Exists(directory))
{
var files = Directory.EnumerateFiles(directory, "*", SearchOption.AllDirectories).Where(
f => suffixes.Contains(Extension(f))
);
return files;
}
else
{
return new string[] { };
}
}
private static string Extension(string path)
{
var extension = Path.GetExtension(path)?.ToLower();
if (!string.IsNullOrEmpty(extension))
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{
return extension.Substring(1);
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}
else
{
return string.Empty;
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}
}
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private static ParallelQuery<Win32> UnregisteredPrograms(List<Settings.ProgramSource> sources, string[] suffixes)
{
var paths = sources.Where(s => Directory.Exists(s.Location))
.SelectMany(s => ProgramPaths(s.Location, suffixes))
.ToArray();
var programs1 = paths.AsParallel().Where(p => Extension(p) == ExeExtension).Select(ExeProgram);
var programs2 = paths.AsParallel().Where(p => Extension(p) == ShortcutExtension).Select(ExeProgram);
var programs3 = from p in paths.AsParallel()
let e = Extension(p)
where e != ShortcutExtension && e != ExeExtension
select Win32Program(p);
return programs1.Concat(programs2).Concat(programs3);
}
private static ParallelQuery<Win32> StartMenuPrograms(string[] suffixes)
{
var directory1 = Environment.GetFolderPath(Environment.SpecialFolder.Programs);
var directory2 = Environment.GetFolderPath(Environment.SpecialFolder.CommonPrograms);
var paths1 = ProgramPaths(directory1, suffixes);
var paths2 = ProgramPaths(directory2, suffixes);
var paths = paths1.Concat(paths2).ToArray();
var programs1 = paths.AsParallel().Where(p => Extension(p) == ShortcutExtension).Select(LnkProgram);
var programs2 = paths.AsParallel().Where(p => Extension(p) == ApplicationReferenceExtension).Select(Win32Program);
return programs1.Concat(programs2);
}
private static ParallelQuery<Win32> AppPathsPrograms(string[] suffixes)
{
// https://msdn.microsoft.com/en-us/library/windows/desktop/ee872121
const string appPaths = @"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths";
var programs = new List<Win32>();
using (var root = Registry.LocalMachine.OpenSubKey(appPaths))
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{
if (root != null)
{
programs.AddRange(ProgramsFromRegistryKey(root));
}
}
using (var root = Registry.CurrentUser.OpenSubKey(appPaths))
{
if (root != null)
{
programs.AddRange(ProgramsFromRegistryKey(root));
}
}
var filtered = programs.AsParallel().Where(p => suffixes.Contains(Extension(p.ExecutableName)));
return filtered;
}
private static IEnumerable<Win32> ProgramsFromRegistryKey(RegistryKey root)
{
var programs = root.GetSubKeyNames()
.Select(subkey => ProgramFromRegistrySubkey(root, subkey))
.Where(p => !string.IsNullOrEmpty(p.FullName));
return programs;
}
private static Win32 ProgramFromRegistrySubkey(RegistryKey root, string subkey)
{
using (var key = root.OpenSubKey(subkey))
{
if (key != null)
{
var defaultValue = string.Empty;
var path = key.GetValue(defaultValue) as string;
if (!string.IsNullOrEmpty(path))
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{
// fix path like this: ""\"C:\\folder\\executable.exe\""
path = path.Trim('"');
path = Environment.ExpandEnvironmentVariables(path);
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if (File.Exists(path))
{
var entry = Win32Program(path);
entry.ExecutableName = subkey;
return entry;
}
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}
}
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}
return new Win32();
}
private static Win32 ScoreFilter(Win32 p)
{
var start = new[] { "启动", "start" };
var doc = new[] { "帮助", "help", "文档", "documentation" };
var uninstall = new[] { "卸载", "uninstall" };
var contained = start.Any(s => p.FullName.ToLower().Contains(s));
if (contained)
{
p.Score += 10;
}
contained = doc.Any(d => p.FullName.ToLower().Contains(d));
if (contained)
{
p.Score -= 10;
}
contained = uninstall.Any(u => p.FullName.ToLower().Contains(u));
if (contained)
{
p.Score -= 20;
}
return p;
}
public static Win32[] All(Settings settings)
{
ParallelQuery<Win32> programs = new List<Win32>().AsParallel();
if (settings.EnableRegistrySource)
{
var appPaths = AppPathsPrograms(settings.ProgramSuffixes);
programs = programs.Concat(appPaths);
}
if (settings.EnableStartMenuSource)
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{
var startMenu = StartMenuPrograms(settings.ProgramSuffixes);
programs = programs.Concat(startMenu);
}
var unregistered = UnregisteredPrograms(settings.ProgramSources, settings.ProgramSuffixes);
programs = programs.Concat(unregistered).Select(ScoreFilter);
return programs.ToArray();
}
}
}