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using LibHac.Common;
using LibHac.Common.Keys;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.FsSystem;
using LibHac.Ncm;
using LibHac.Tools.Fs;
using LibHac.Tools.FsSystem;
using LibHac.Tools.FsSystem.NcaUtils;
using LibHac.Tools.Ncm;
using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.Common.Utilities;
using Ryujinx.HLE.FileSystem;
using System;
using System.Collections.Generic;
using System.IO;
using ContentType = LibHac.Ncm.ContentType;
namespace Ryujinx.HLE.Loaders.Processes.Extensions
{
public static class PartitionFileSystemExtensions
{
private static readonly DownloadableContentJsonSerializerContext _contentSerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
public static Dictionary<ulong, ContentMetaData> GetContentData(this IFileSystem partitionFileSystem,
ContentMetaType contentType, VirtualFileSystem fileSystem, IntegrityCheckLevel checkLevel)
{
fileSystem.ImportTickets(partitionFileSystem);
var programs = new Dictionary<ulong, ContentMetaData>();
foreach (DirectoryEntryEx fileEntry in partitionFileSystem.EnumerateEntries("/", "*.cnmt.nca"))
{
Cnmt cnmt = partitionFileSystem.GetNca(fileSystem.KeySet, fileEntry.FullPath).GetCnmt(checkLevel, contentType);
if (cnmt == null)
{
continue;
}
ContentMetaData content = new(partitionFileSystem, cnmt);
if (content.Type != contentType)
{
continue;
}
programs.TryAdd(content.ApplicationId, content);
}
return programs;
}
internal static (bool, ProcessResult) TryLoad<TMetaData, TFormat, THeader, TEntry>(this PartitionFileSystemCore<TMetaData, TFormat, THeader, TEntry> partitionFileSystem, Switch device, string path, ulong applicationId, out string errorMessage)
where TMetaData : PartitionFileSystemMetaCore<TFormat, THeader, TEntry>, new()
where TFormat : IPartitionFileSystemFormat
where THeader : unmanaged, IPartitionFileSystemHeader
where TEntry : unmanaged, IPartitionFileSystemEntry
{
errorMessage = null;
// Load required NCAs.
Nca mainNca = null;
Nca patchNca = null;
Nca controlNca = null;
try
{
Dictionary<ulong, ContentMetaData> applications = partitionFileSystem.GetContentData(ContentMetaType.Application, device.FileSystem, device.System.FsIntegrityCheckLevel);
if (applicationId == 0)
{
foreach ((ulong _, ContentMetaData content) in applications)
{
mainNca = content.GetNcaByType(device.FileSystem.KeySet, ContentType.Program, device.Configuration.UserChannelPersistence.Index);
controlNca = content.GetNcaByType(device.FileSystem.KeySet, ContentType.Control, device.Configuration.UserChannelPersistence.Index);
break;
}
}
else if (applications.TryGetValue(applicationId, out ContentMetaData content))
{
mainNca = content.GetNcaByType(device.FileSystem.KeySet, ContentType.Program, device.Configuration.UserChannelPersistence.Index);
controlNca = content.GetNcaByType(device.FileSystem.KeySet, ContentType.Control, device.Configuration.UserChannelPersistence.Index);
}
ProcessLoaderHelper.RegisterProgramMapInfo(device, partitionFileSystem).ThrowIfFailure();
}
catch (Exception ex)
{
errorMessage = $"Unable to load: {ex.Message}";
return (false, ProcessResult.Failed);
}
if (mainNca != null)
{
if (mainNca.Header.ContentType != NcaContentType.Program)
{
errorMessage = "Selected NCA file is not a \"Program\" NCA";
return (false, ProcessResult.Failed);
}
(Nca updatePatchNca, Nca updateControlNca) = mainNca.GetUpdateData(device.FileSystem, device.System.FsIntegrityCheckLevel, device.Configuration.UserChannelPersistence.Index, out string _);
if (updatePatchNca != null)
{
patchNca = updatePatchNca;
}
if (updateControlNca != null)
{
controlNca = updateControlNca;
}
// TODO: If we want to support multi-processes in future, we shouldn't clear AddOnContent data here.
device.Configuration.ContentManager.ClearAocData();
// Load DownloadableContents.
string addOnContentMetadataPath = System.IO.Path.Combine(AppDataManager.GamesDirPath, mainNca.GetProgramIdBase().ToString("x16"), "dlc.json");
if (File.Exists(addOnContentMetadataPath))
{
List<DownloadableContentContainer> dlcContainerList = JsonHelper.DeserializeFromFile(addOnContentMetadataPath, _contentSerializerContext.ListDownloadableContentContainer);
foreach (DownloadableContentContainer downloadableContentContainer in dlcContainerList)
{
foreach (DownloadableContentNca downloadableContentNca in downloadableContentContainer.DownloadableContentNcaList)
{
if (File.Exists(downloadableContentContainer.ContainerPath))
{
if (downloadableContentNca.Enabled)
{
device.Configuration.ContentManager.AddAocItem(downloadableContentNca.TitleId, downloadableContentContainer.ContainerPath, downloadableContentNca.FullPath);
}
}
else
{
Logger.Warning?.Print(LogClass.Application, $"Cannot find AddOnContent file {downloadableContentContainer.ContainerPath}. It may have been moved or renamed.");
}
}
}
}
return (true, mainNca.Load(device, patchNca, controlNca));
}
errorMessage = $"Unable to load: Could not find Main NCA for title \"{applicationId:X16}\"";
return (false, ProcessResult.Failed);
}
public static Nca GetNca(this IFileSystem fileSystem, KeySet keySet, string path)
{
using var ncaFile = new UniqueRef<IFile>();
fileSystem.OpenFile(ref ncaFile.Ref, path.ToU8Span(), OpenMode.Read).ThrowIfFailure();
return new Nca(keySet, ncaFile.Release().AsStorage());
}
}
}
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