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8a8ea4c8c0
* Update to LibHac 0.6.0 * Create an IFileSystemProxy object from LibHac * Rename rc -> result * Alignment and spacing * Result formatting * Spacing * Sort usings
158 lines
5.6 KiB
C#
158 lines
5.6 KiB
C#
using LibHac;
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using LibHac.Fs;
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using LibHac.FsSystem;
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using LibHac.FsSystem.NcaUtils;
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using LibHac.Spl;
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using Ryujinx.Common;
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using Ryujinx.HLE.FileSystem;
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using Ryujinx.HLE.Utilities;
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using System.IO;
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namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
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{
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static class FileSystemProxyHelper
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{
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public static ResultCode LoadSaveDataFileSystem(ServiceCtx context, bool readOnly, out IFileSystem loadedFileSystem)
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{
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loadedFileSystem = null;
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SaveSpaceId saveSpaceId = (SaveSpaceId)context.RequestData.ReadInt64();
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ulong titleId = context.RequestData.ReadUInt64();
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UInt128 userId = context.RequestData.ReadStruct<UInt128>();
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long saveId = context.RequestData.ReadInt64();
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SaveDataType saveDataType = (SaveDataType)context.RequestData.ReadByte();
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SaveInfo saveInfo = new SaveInfo(titleId, saveId, saveDataType, saveSpaceId, userId);
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string savePath = context.Device.FileSystem.GetSavePath(context, saveInfo);
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try
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{
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LocalFileSystem fileSystem = new LocalFileSystem(savePath);
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Result result = DirectorySaveDataFileSystem.CreateNew(out DirectorySaveDataFileSystem dirFileSystem, fileSystem);
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if (result.IsFailure())
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{
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return (ResultCode)result.Value;
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}
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LibHac.Fs.IFileSystem saveFileSystem = dirFileSystem;
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if (readOnly)
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{
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saveFileSystem = new ReadOnlyFileSystem(saveFileSystem);
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}
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loadedFileSystem = new IFileSystem(saveFileSystem);
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}
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catch (HorizonResultException ex)
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{
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return (ResultCode)ex.ResultValue.Value;
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}
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return ResultCode.Success;
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}
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public static ResultCode OpenNsp(ServiceCtx context, string pfsPath, out IFileSystem openedFileSystem)
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{
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openedFileSystem = null;
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try
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{
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LocalStorage storage = new LocalStorage(pfsPath, FileAccess.Read, FileMode.Open);
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PartitionFileSystem nsp = new PartitionFileSystem(storage);
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ImportTitleKeysFromNsp(nsp, context.Device.System.KeySet);
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openedFileSystem = new IFileSystem(nsp);
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}
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catch (HorizonResultException ex)
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{
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return (ResultCode)ex.ResultValue.Value;
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}
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return ResultCode.Success;
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}
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public static ResultCode OpenNcaFs(ServiceCtx context, string ncaPath, LibHac.Fs.IStorage ncaStorage, out IFileSystem openedFileSystem)
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{
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openedFileSystem = null;
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try
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{
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Nca nca = new Nca(context.Device.System.KeySet, ncaStorage);
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if (!nca.SectionExists(NcaSectionType.Data))
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{
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return ResultCode.PartitionNotFound;
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}
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LibHac.Fs.IFileSystem fileSystem = nca.OpenFileSystem(NcaSectionType.Data, context.Device.System.FsIntegrityCheckLevel);
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openedFileSystem = new IFileSystem(fileSystem);
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}
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catch (HorizonResultException ex)
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{
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return (ResultCode)ex.ResultValue.Value;
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}
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return ResultCode.Success;
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}
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public static ResultCode OpenFileSystemFromInternalFile(ServiceCtx context, string fullPath, out IFileSystem openedFileSystem)
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{
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openedFileSystem = null;
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DirectoryInfo archivePath = new DirectoryInfo(fullPath).Parent;
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while (string.IsNullOrWhiteSpace(archivePath.Extension))
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{
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archivePath = archivePath.Parent;
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}
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if (archivePath.Extension == ".nsp" && File.Exists(archivePath.FullName))
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{
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FileStream pfsFile = new FileStream(
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archivePath.FullName.TrimEnd(Path.DirectorySeparatorChar),
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FileMode.Open,
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FileAccess.Read);
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try
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{
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PartitionFileSystem nsp = new PartitionFileSystem(pfsFile.AsStorage());
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ImportTitleKeysFromNsp(nsp, context.Device.System.KeySet);
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string filename = fullPath.Replace(archivePath.FullName, string.Empty).TrimStart('\\');
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Result result = nsp.OpenFile(out LibHac.Fs.IFile ncaFile, filename, OpenMode.Read);
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if (result.IsFailure())
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{
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return (ResultCode)result.Value;
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}
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return OpenNcaFs(context, fullPath, ncaFile.AsStorage(), out openedFileSystem);
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}
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catch (HorizonResultException ex)
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{
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return (ResultCode)ex.ResultValue.Value;
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}
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}
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return ResultCode.PathDoesNotExist;
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}
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public static void ImportTitleKeysFromNsp(LibHac.Fs.IFileSystem nsp, Keyset keySet)
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{
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foreach (DirectoryEntryEx ticketEntry in nsp.EnumerateEntries("/", "*.tik"))
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{
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Result result = nsp.OpenFile(out LibHac.Fs.IFile ticketFile, ticketEntry.FullPath, 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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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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}
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