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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using Windows.Foundation.Metadata;
using Windows.Storage;
using System.IO;
using static System.Environment;
namespace System
{
internal static class WinRTFolderPaths
{
public static string GetFolderPath(SpecialFolder folder, SpecialFolderOption option)
{
// For testing we'll fall back if the needed APIs aren't present.
//
// We're not honoring the special folder options (noverify/create) for a few reasons. One, most of the
// folders always exist (e.g. it is moot). Two, most locations are inaccessible from an appcontainer
// currently - making it impossible to answer the question of existence or create if necessary. Thirdly,
// the Win32 API would create these folders with very specific ACLs, which even in the cases we can create
// are a significant compat risk (trying to replicate internal Windows behavior- it is documented that they
// set specific ACLs, but not which ones).
if (ApiInformation.IsTypePresent("Windows.Storage.UserDataPaths"))
{
return GetFolderPathCoreCurrent(folder);
}
else
{
return GetFolderPathCoreFallBack(folder);
}
}
private static string GetFolderPathCoreCurrent(SpecialFolder folder)
{
// While all of these give back real paths, most of them are not accessible
// from an appcontainer currently (they will give access denied)
switch (folder)
{
case SpecialFolder.ApplicationData:
return UserDataPaths.GetDefault().RoamingAppData;
case SpecialFolder.CommonApplicationData:
return AppDataPaths.GetDefault().ProgramData;
case SpecialFolder.LocalApplicationData:
return AppDataPaths.GetDefault().LocalAppData;
case SpecialFolder.Cookies:
return AppDataPaths.GetDefault().Cookies;
case SpecialFolder.Desktop:
return AppDataPaths.GetDefault().Desktop;
case SpecialFolder.Favorites:
return AppDataPaths.GetDefault().Favorites;
case SpecialFolder.History:
return AppDataPaths.GetDefault().History;
case SpecialFolder.InternetCache:
return AppDataPaths.GetDefault().InternetCache;
case SpecialFolder.MyMusic:
return UserDataPaths.GetDefault().Music;
case SpecialFolder.MyPictures:
return UserDataPaths.GetDefault().Pictures;
case SpecialFolder.MyVideos:
return UserDataPaths.GetDefault().Videos;
case SpecialFolder.Recent:
return UserDataPaths.GetDefault().Recent;
case SpecialFolder.System:
return SystemDataPaths.GetDefault().System;
case SpecialFolder.Templates:
return UserDataPaths.GetDefault().Templates;
case SpecialFolder.DesktopDirectory:
return UserDataPaths.GetDefault().Desktop;
case SpecialFolder.Personal:
return UserDataPaths.GetDefault().Documents;
case SpecialFolder.CommonDocuments:
return SystemDataPaths.GetDefault().PublicDocuments;
case SpecialFolder.CommonMusic:
return SystemDataPaths.GetDefault().PublicMusic;
case SpecialFolder.CommonPictures:
return SystemDataPaths.GetDefault().PublicPictures;
case SpecialFolder.CommonDesktopDirectory:
return SystemDataPaths.GetDefault().PublicDesktop;
case SpecialFolder.CommonVideos:
return SystemDataPaths.GetDefault().PublicVideos;
case SpecialFolder.UserProfile:
return UserDataPaths.GetDefault().Profile;
case SpecialFolder.SystemX86:
return SystemDataPaths.GetDefault().SystemX86;
case SpecialFolder.Windows:
return SystemDataPaths.GetDefault().Windows;
// The following aren't available on WinRT. Our default behavior
// is string.Empty for paths that aren't available.
//
// case SpecialFolder.Programs:
// case SpecialFolder.MyComputer:
// case SpecialFolder.SendTo:
// case SpecialFolder.StartMenu:
// case SpecialFolder.Startup:
// case SpecialFolder.ProgramFiles:
// case SpecialFolder.CommonProgramFiles:
// case SpecialFolder.AdminTools:
// case SpecialFolder.CDBurning:
// case SpecialFolder.CommonAdminTools:
// case SpecialFolder.CommonOemLinks:
// case SpecialFolder.CommonStartMenu:
// case SpecialFolder.CommonPrograms:
// case SpecialFolder.CommonStartup:
// case SpecialFolder.CommonTemplates:
// case SpecialFolder.Fonts:
// case SpecialFolder.NetworkShortcuts:
// case SpecialFolder.PrinterShortcuts:
// case SpecialFolder.CommonProgramFilesX86:
// case SpecialFolder.ProgramFilesX86:
// case SpecialFolder.Resources:
// case SpecialFolder.LocalizedResources:
default:
return string.Empty;
}
}
private static string GetFolderPathCoreFallBack(SpecialFolder folder)
{
// For testing without the new WinRT APIs. We cannot use Win32 APIs for
// special folders as they are not in the WACK.
switch (folder)
{
case SpecialFolder.ApplicationData:
return ApplicationData.Current.RoamingFolder?.Path ?? string.Empty;
case SpecialFolder.LocalApplicationData:
return ApplicationData.Current.LocalFolder?.Path ?? string.Empty;
case SpecialFolder.System:
return SystemDirectory;
case SpecialFolder.Windows:
return Path.GetDirectoryName(SystemDirectory)!;
default:
return string.Empty;
}
}
}
}
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