mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-05 03:52:03 +00:00
310 lines
No EOL
9.7 KiB
C#
310 lines
No EOL
9.7 KiB
C#
using LibHac;
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using LibHac.Common;
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using LibHac.Fs;
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using LibHac.Fs.Fsa;
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using LibHac.FsSrv;
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using LibHac.FsSystem;
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using LibHac.Spl;
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using Ryujinx.Common.Configuration;
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using Ryujinx.HLE.FileSystem.Content;
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using Ryujinx.HLE.HOS;
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using System;
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using System.IO;
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namespace Ryujinx.HLE.FileSystem
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{
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public class VirtualFileSystem : IDisposable
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{
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public const string NandPath = AppDataManager.DefaultNandDir;
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public const string SdCardPath = AppDataManager.DefaultSdcardDir;
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public static string SafeNandPath = Path.Combine(NandPath, "safe");
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public static string SystemNandPath = Path.Combine(NandPath, "system");
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public static string UserNandPath = Path.Combine(NandPath, "user");
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private static bool _isInitialized = false;
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public Keyset KeySet { get; private set; }
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public FileSystemServer FsServer { get; private set; }
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public FileSystemClient FsClient { get; private set; }
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public EmulatedGameCard GameCard { get; private set; }
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public EmulatedSdCard SdCard { get; private set; }
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public ModLoader ModLoader {get; private set;}
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private VirtualFileSystem()
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{
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Reload();
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ModLoader = new ModLoader(); // Should only be created once
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}
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public Stream RomFs { get; private set; }
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public void LoadRomFs(string fileName)
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{
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RomFs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
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}
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public void SetRomFs(Stream romfsStream)
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{
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RomFs?.Close();
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RomFs = romfsStream;
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}
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public string GetFullPath(string basePath, string fileName)
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{
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if (fileName.StartsWith("//"))
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{
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fileName = fileName.Substring(2);
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}
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else if (fileName.StartsWith('/'))
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{
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fileName = fileName.Substring(1);
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}
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else
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{
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return null;
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}
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string fullPath = Path.GetFullPath(Path.Combine(basePath, fileName));
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if (!fullPath.StartsWith(GetBasePath()))
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{
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return null;
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}
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return fullPath;
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}
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internal string GetBasePath() => AppDataManager.BaseDirPath;
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internal string GetSdCardPath() => MakeFullPath(SdCardPath);
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public string GetNandPath() => MakeFullPath(NandPath);
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internal string GetSavePath(ServiceCtx context, SaveInfo saveInfo, bool isDirectory = true)
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{
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string saveUserPath = "";
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string baseSavePath = NandPath;
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ulong currentTitleId = saveInfo.TitleId;
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switch (saveInfo.SaveSpaceId)
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{
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case SaveSpaceId.NandUser: baseSavePath = UserNandPath; break;
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case SaveSpaceId.NandSystem: baseSavePath = SystemNandPath; break;
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case SaveSpaceId.SdCard: baseSavePath = Path.Combine(SdCardPath, "Nintendo"); break;
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}
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baseSavePath = Path.Combine(baseSavePath, "save");
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if (saveInfo.TitleId == 0 && saveInfo.SaveDataType == SaveDataType.SaveData)
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{
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currentTitleId = context.Process.TitleId;
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}
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if (saveInfo.SaveSpaceId == SaveSpaceId.NandUser)
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{
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saveUserPath = saveInfo.UserId.IsNull ? "savecommon" : saveInfo.UserId.ToString();
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}
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string savePath = Path.Combine(baseSavePath,
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saveInfo.SaveId.ToString("x16"),
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saveUserPath,
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saveInfo.SaveDataType == SaveDataType.SaveData ? currentTitleId.ToString("x16") : string.Empty);
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return MakeFullPath(savePath, isDirectory);
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}
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public string GetFullPartitionPath(string partitionPath)
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{
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return MakeFullPath(partitionPath);
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}
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public string SwitchPathToSystemPath(string switchPath)
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{
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string[] parts = switchPath.Split(":");
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if (parts.Length != 2)
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{
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return null;
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}
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return GetFullPath(MakeFullPath(parts[0]), parts[1]);
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}
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public string SystemPathToSwitchPath(string systemPath)
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{
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string baseSystemPath = GetBasePath() + Path.DirectorySeparatorChar;
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if (systemPath.StartsWith(baseSystemPath))
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{
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string rawPath = systemPath.Replace(baseSystemPath, "");
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int firstSeparatorOffset = rawPath.IndexOf(Path.DirectorySeparatorChar);
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if (firstSeparatorOffset == -1)
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{
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return $"{rawPath}:/";
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}
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string basePath = rawPath.Substring(0, firstSeparatorOffset);
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string fileName = rawPath.Substring(firstSeparatorOffset + 1);
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return $"{basePath}:/{fileName}";
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}
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return null;
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}
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private string MakeFullPath(string path, bool isDirectory = true)
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{
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// Handles Common Switch Content Paths
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switch (path)
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{
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case ContentPath.SdCard:
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case "@Sdcard":
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path = SdCardPath;
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break;
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case ContentPath.User:
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path = UserNandPath;
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break;
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case ContentPath.System:
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path = SystemNandPath;
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break;
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case ContentPath.SdCardContent:
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path = Path.Combine(SdCardPath, "Nintendo", "Contents");
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break;
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case ContentPath.UserContent:
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path = Path.Combine(UserNandPath, "Contents");
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break;
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case ContentPath.SystemContent:
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path = Path.Combine(SystemNandPath, "Contents");
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break;
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}
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string fullPath = Path.Combine(GetBasePath(), path);
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if (isDirectory)
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{
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if (!Directory.Exists(fullPath))
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{
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Directory.CreateDirectory(fullPath);
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}
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}
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return fullPath;
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}
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public DriveInfo GetDrive()
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{
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return new DriveInfo(Path.GetPathRoot(GetBasePath()));
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}
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public void Reload()
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{
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ReloadKeySet();
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LocalFileSystem serverBaseFs = new LocalFileSystem(GetBasePath());
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DefaultFsServerObjects fsServerObjects = DefaultFsServerObjects.GetDefaultEmulatedCreators(serverBaseFs, KeySet);
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GameCard = fsServerObjects.GameCard;
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SdCard = fsServerObjects.SdCard;
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SdCard.SetSdCardInsertionStatus(true);
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FileSystemServerConfig fsServerConfig = new FileSystemServerConfig
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{
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FsCreators = fsServerObjects.FsCreators,
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DeviceOperator = fsServerObjects.DeviceOperator,
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ExternalKeySet = KeySet.ExternalKeySet
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};
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FsServer = new FileSystemServer(fsServerConfig);
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FsClient = FsServer.CreateFileSystemClient();
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}
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private void ReloadKeySet()
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{
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string keyFile = null;
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string titleKeyFile = null;
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string consoleKeyFile = null;
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if (!AppDataManager.IsCustomBasePath)
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{
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LoadSetAtPath(AppDataManager.KeysDirPathAlt);
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}
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LoadSetAtPath(AppDataManager.KeysDirPath);
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void LoadSetAtPath(string basePath)
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{
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string localKeyFile = Path.Combine(basePath, "prod.keys");
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string localTitleKeyFile = Path.Combine(basePath, "title.keys");
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string localConsoleKeyFile = Path.Combine(basePath, "console.keys");
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if (File.Exists(localKeyFile))
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{
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keyFile = localKeyFile;
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}
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if (File.Exists(localTitleKeyFile))
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{
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titleKeyFile = localTitleKeyFile;
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}
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if (File.Exists(localConsoleKeyFile))
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{
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consoleKeyFile = localConsoleKeyFile;
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}
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}
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KeySet = ExternalKeyReader.ReadKeyFile(keyFile, titleKeyFile, consoleKeyFile);
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}
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public void ImportTickets(IFileSystem fs)
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{
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foreach (DirectoryEntryEx ticketEntry in fs.EnumerateEntries("/", "*.tik"))
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{
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Result result = fs.OpenFile(out IFile ticketFile, ticketEntry.FullPath.ToU8Span(), OpenMode.Read);
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if (result.IsSuccess())
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{
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Ticket ticket = new Ticket(ticketFile.AsStream());
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if (ticket.TitleKeyType == TitleKeyType.Common)
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{
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KeySet.ExternalKeySet.Add(new RightsId(ticket.RightsId), new AccessKey(ticket.GetTitleKey(KeySet)));
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}
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}
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}
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}
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public void Unload()
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{
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RomFs?.Dispose();
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}
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public void Dispose()
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{
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Dispose(true);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing)
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{
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Unload();
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}
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}
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public static VirtualFileSystem CreateInstance()
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{
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if (_isInitialized)
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{
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throw new InvalidOperationException($"VirtualFileSystem can only be instantiated once!");
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}
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_isInitialized = true;
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return new VirtualFileSystem();
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}
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}
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} |