JinxRyu/Ryujinx.Ui.Common/App/ApplicationLibrary.cs
Daniel Shala 5c89e22bb9
Added check for eventual symlink when displaying game files. (#4526)
* Added check for eventual symlink when displaying game files.

* Moved symlink check logic

* Moved symlink check logic

* Fixed prev commit

---------

Co-authored-by: Daniel Shala <danielshala00@gmail.com>
2023-04-15 16:11:24 +00:00

910 lines
38 KiB
C#

using LibHac;
using LibHac.Common;
using LibHac.Common.Keys;
using LibHac.Fs;
using LibHac.Fs.Fsa;
using LibHac.FsSystem;
using LibHac.Ns;
using LibHac.Tools.Fs;
using LibHac.Tools.FsSystem;
using LibHac.Tools.FsSystem.NcaUtils;
using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using Ryujinx.Common.Utilities;
using Ryujinx.HLE.FileSystem;
using Ryujinx.HLE.HOS.SystemState;
using Ryujinx.HLE.Loaders.Npdm;
using Ryujinx.Ui.Common.Configuration.System;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Reflection;
using System.Text;
using System.Text.Json;
using System.Threading;
using Path = System.IO.Path;
namespace Ryujinx.Ui.App.Common
{
public class ApplicationLibrary
{
public event EventHandler<ApplicationAddedEventArgs> ApplicationAdded;
public event EventHandler<ApplicationCountUpdatedEventArgs> ApplicationCountUpdated;
private readonly byte[] _nspIcon;
private readonly byte[] _xciIcon;
private readonly byte[] _ncaIcon;
private readonly byte[] _nroIcon;
private readonly byte[] _nsoIcon;
private readonly VirtualFileSystem _virtualFileSystem;
private Language _desiredTitleLanguage;
private CancellationTokenSource _cancellationToken;
private static readonly ApplicationJsonSerializerContext SerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
private static readonly TitleUpdateMetadataJsonSerializerContext TitleSerializerContext = new(JsonHelper.GetDefaultSerializerOptions());
public ApplicationLibrary(VirtualFileSystem virtualFileSystem)
{
_virtualFileSystem = virtualFileSystem;
_nspIcon = GetResourceBytes("Ryujinx.Ui.Common.Resources.Icon_NSP.png");
_xciIcon = GetResourceBytes("Ryujinx.Ui.Common.Resources.Icon_XCI.png");
_ncaIcon = GetResourceBytes("Ryujinx.Ui.Common.Resources.Icon_NCA.png");
_nroIcon = GetResourceBytes("Ryujinx.Ui.Common.Resources.Icon_NRO.png");
_nsoIcon = GetResourceBytes("Ryujinx.Ui.Common.Resources.Icon_NSO.png");
}
private static byte[] GetResourceBytes(string resourceName)
{
Stream resourceStream = Assembly.GetCallingAssembly().GetManifestResourceStream(resourceName);
byte[] resourceByteArray = new byte[resourceStream.Length];
resourceStream.Read(resourceByteArray);
return resourceByteArray;
}
public void CancelLoading()
{
_cancellationToken?.Cancel();
}
public static void ReadControlData(IFileSystem controlFs, Span<byte> outProperty)
{
using UniqueRef<IFile> controlFile = new();
controlFs.OpenFile(ref controlFile.Ref, "/control.nacp".ToU8Span(), OpenMode.Read).ThrowIfFailure();
controlFile.Get.Read(out _, 0, outProperty, ReadOption.None).ThrowIfFailure();
}
public void LoadApplications(List<string> appDirs, Language desiredTitleLanguage)
{
int numApplicationsFound = 0;
int numApplicationsLoaded = 0;
_desiredTitleLanguage = desiredTitleLanguage;
_cancellationToken = new CancellationTokenSource();
// Builds the applications list with paths to found applications
List<string> applications = new();
try
{
foreach (string appDir in appDirs)
{
if (_cancellationToken.Token.IsCancellationRequested)
{
return;
}
if (!Directory.Exists(appDir))
{
Logger.Warning?.Print(LogClass.Application, $"The \"game_dirs\" section in \"Config.json\" contains an invalid directory: \"{appDir}\"");
continue;
}
try
{
foreach (string app in Directory.EnumerateFiles(appDir, "*", SearchOption.AllDirectories))
{
if (_cancellationToken.Token.IsCancellationRequested)
{
return;
}
var fileInfo = new FileInfo(app);
string extension = fileInfo.Extension.ToLower();
if (!fileInfo.Attributes.HasFlag(FileAttributes.Hidden) && extension is ".nsp" or ".pfs0" or ".xci" or ".nca" or ".nro" or ".nso")
{
var fullPath = fileInfo.ResolveLinkTarget(true)?.FullName ?? fileInfo.FullName;
applications.Add(fullPath);
numApplicationsFound++;
}
}
}
catch (UnauthorizedAccessException)
{
Logger.Warning?.Print(LogClass.Application, $"Failed to get access to directory: \"{appDir}\"");
}
}
// Loops through applications list, creating a struct and then firing an event containing the struct for each application
foreach (string applicationPath in applications)
{
if (_cancellationToken.Token.IsCancellationRequested)
{
return;
}
double fileSize = new FileInfo(applicationPath).Length * 0.000000000931;
string titleName = "Unknown";
string titleId = "0000000000000000";
string developer = "Unknown";
string version = "0";
byte[] applicationIcon = null;
BlitStruct<ApplicationControlProperty> controlHolder = new(1);
try
{
string extension = Path.GetExtension(applicationPath).ToLower();
using FileStream file = new(applicationPath, FileMode.Open, FileAccess.Read);
if (extension == ".nsp" || extension == ".pfs0" || extension == ".xci")
{
try
{
PartitionFileSystem pfs;
bool isExeFs = false;
if (extension == ".xci")
{
Xci xci = new(_virtualFileSystem.KeySet, file.AsStorage());
pfs = xci.OpenPartition(XciPartitionType.Secure);
}
else
{
pfs = new PartitionFileSystem(file.AsStorage());
// If the NSP doesn't have a main NCA, decrement the number of applications found and then continue to the next application.
bool hasMainNca = false;
foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*"))
{
if (Path.GetExtension(fileEntry.FullPath).ToLower() == ".nca")
{
using UniqueRef<IFile> ncaFile = new();
pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
Nca nca = new(_virtualFileSystem.KeySet, ncaFile.Get.AsStorage());
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
// Some main NCAs don't have a data partition, so check if the partition exists before opening it
if (nca.Header.ContentType == NcaContentType.Program && !(nca.SectionExists(NcaSectionType.Data) && nca.Header.GetFsHeader(dataIndex).IsPatchSection()))
{
hasMainNca = true;
break;
}
}
else if (Path.GetFileNameWithoutExtension(fileEntry.FullPath) == "main")
{
isExeFs = true;
}
}
if (!hasMainNca && !isExeFs)
{
numApplicationsFound--;
continue;
}
}
if (isExeFs)
{
applicationIcon = _nspIcon;
using UniqueRef<IFile> npdmFile = new();
Result result = pfs.OpenFile(ref npdmFile.Ref, "/main.npdm".ToU8Span(), OpenMode.Read);
if (ResultFs.PathNotFound.Includes(result))
{
Npdm npdm = new(npdmFile.Get.AsStream());
titleName = npdm.TitleName;
titleId = npdm.Aci0.TitleId.ToString("x16");
}
}
else
{
GetControlFsAndTitleId(pfs, out IFileSystem controlFs, out titleId);
// Check if there is an update available.
if (IsUpdateApplied(titleId, out IFileSystem updatedControlFs))
{
// Replace the original ControlFs by the updated one.
controlFs = updatedControlFs;
}
ReadControlData(controlFs, controlHolder.ByteSpan);
GetGameInformation(ref controlHolder.Value, out titleName, out _, out developer, out version);
// Read the icon from the ControlFS and store it as a byte array
try
{
using UniqueRef<IFile> icon = new();
controlFs.OpenFile(ref icon.Ref, $"/icon_{_desiredTitleLanguage}.dat".ToU8Span(), OpenMode.Read).ThrowIfFailure();
using MemoryStream stream = new();
icon.Get.AsStream().CopyTo(stream);
applicationIcon = stream.ToArray();
}
catch (HorizonResultException)
{
foreach (DirectoryEntryEx entry in controlFs.EnumerateEntries("/", "*"))
{
if (entry.Name == "control.nacp")
{
continue;
}
using var icon = new UniqueRef<IFile>();
controlFs.OpenFile(ref icon.Ref, entry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
using MemoryStream stream = new();
icon.Get.AsStream().CopyTo(stream);
applicationIcon = stream.ToArray();
if (applicationIcon != null)
{
break;
}
}
applicationIcon ??= extension == ".xci" ? _xciIcon : _nspIcon;
}
}
}
catch (MissingKeyException exception)
{
applicationIcon = extension == ".xci" ? _xciIcon : _nspIcon;
Logger.Warning?.Print(LogClass.Application, $"Your key set is missing a key with the name: {exception.Name}");
}
catch (InvalidDataException)
{
applicationIcon = extension == ".xci" ? _xciIcon : _nspIcon;
Logger.Warning?.Print(LogClass.Application, $"The header key is incorrect or missing and therefore the NCA header content type check has failed. Errored File: {applicationPath}");
}
catch (Exception exception)
{
Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. File: '{applicationPath}' Error: {exception}");
numApplicationsFound--;
continue;
}
}
else if (extension == ".nro")
{
BinaryReader reader = new(file);
byte[] Read(long position, int size)
{
file.Seek(position, SeekOrigin.Begin);
return reader.ReadBytes(size);
}
try
{
file.Seek(24, SeekOrigin.Begin);
int assetOffset = reader.ReadInt32();
if (Encoding.ASCII.GetString(Read(assetOffset, 4)) == "ASET")
{
byte[] iconSectionInfo = Read(assetOffset + 8, 0x10);
long iconOffset = BitConverter.ToInt64(iconSectionInfo, 0);
long iconSize = BitConverter.ToInt64(iconSectionInfo, 8);
ulong nacpOffset = reader.ReadUInt64();
ulong nacpSize = reader.ReadUInt64();
// Reads and stores game icon as byte array
applicationIcon = Read(assetOffset + iconOffset, (int)iconSize);
// Read the NACP data
Read(assetOffset + (int)nacpOffset, (int)nacpSize).AsSpan().CopyTo(controlHolder.ByteSpan);
GetGameInformation(ref controlHolder.Value, out titleName, out titleId, out developer, out version);
}
else
{
applicationIcon = _nroIcon;
titleName = Path.GetFileNameWithoutExtension(applicationPath);
}
}
catch
{
Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. Errored File: {applicationPath}");
numApplicationsFound--;
continue;
}
}
else if (extension == ".nca")
{
try
{
Nca nca = new(_virtualFileSystem.KeySet, new FileStream(applicationPath, FileMode.Open, FileAccess.Read).AsStorage());
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
if (nca.Header.ContentType != NcaContentType.Program || (nca.SectionExists(NcaSectionType.Data) && nca.Header.GetFsHeader(dataIndex).IsPatchSection()))
{
numApplicationsFound--;
continue;
}
}
catch (InvalidDataException)
{
Logger.Warning?.Print(LogClass.Application, $"The NCA header content type check has failed. This is usually because the header key is incorrect or missing. Errored File: {applicationPath}");
}
catch
{
Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. Errored File: {applicationPath}");
numApplicationsFound--;
continue;
}
applicationIcon = _ncaIcon;
titleName = Path.GetFileNameWithoutExtension(applicationPath);
}
// If its an NSO we just set defaults
else if (extension == ".nso")
{
applicationIcon = _nsoIcon;
titleName = Path.GetFileNameWithoutExtension(applicationPath);
}
}
catch (IOException exception)
{
Logger.Warning?.Print(LogClass.Application, exception.Message);
numApplicationsFound--;
continue;
}
ApplicationMetadata appMetadata = LoadAndSaveMetaData(titleId, appMetadata =>
{
appMetadata.Title = titleName;
});
if (appMetadata.LastPlayed != "Never")
{
if (!DateTime.TryParse(appMetadata.LastPlayed, out _))
{
Logger.Warning?.Print(LogClass.Application, $"Last played datetime \"{appMetadata.LastPlayed}\" is invalid for current system culture, skipping (did current culture change?)");
appMetadata.LastPlayed = "Never";
}
else
{
appMetadata.LastPlayed = appMetadata.LastPlayed[..^3];
}
}
ApplicationData data = new()
{
Favorite = appMetadata.Favorite,
Icon = applicationIcon,
TitleName = titleName,
TitleId = titleId,
Developer = developer,
Version = version,
TimePlayed = ConvertSecondsToFormattedString(appMetadata.TimePlayed),
TimePlayedNum = appMetadata.TimePlayed,
LastPlayed = appMetadata.LastPlayed,
FileExtension = Path.GetExtension(applicationPath).ToUpper().Remove(0, 1),
FileSize = (fileSize < 1) ? (fileSize * 1024).ToString("0.##") + " MiB" : fileSize.ToString("0.##") + " GiB",
FileSizeBytes = fileSize,
Path = applicationPath,
ControlHolder = controlHolder
};
numApplicationsLoaded++;
OnApplicationAdded(new ApplicationAddedEventArgs()
{
AppData = data
});
OnApplicationCountUpdated(new ApplicationCountUpdatedEventArgs()
{
NumAppsFound = numApplicationsFound,
NumAppsLoaded = numApplicationsLoaded
});
}
OnApplicationCountUpdated(new ApplicationCountUpdatedEventArgs()
{
NumAppsFound = numApplicationsFound,
NumAppsLoaded = numApplicationsLoaded
});
}
finally
{
_cancellationToken.Dispose();
_cancellationToken = null;
}
}
protected void OnApplicationAdded(ApplicationAddedEventArgs e)
{
ApplicationAdded?.Invoke(null, e);
}
protected void OnApplicationCountUpdated(ApplicationCountUpdatedEventArgs e)
{
ApplicationCountUpdated?.Invoke(null, e);
}
private void GetControlFsAndTitleId(PartitionFileSystem pfs, out IFileSystem controlFs, out string titleId)
{
(_, _, Nca controlNca) = GetGameData(_virtualFileSystem, pfs, 0);
// Return the ControlFS
controlFs = controlNca?.OpenFileSystem(NcaSectionType.Data, IntegrityCheckLevel.None);
titleId = controlNca?.Header.TitleId.ToString("x16");
}
public ApplicationMetadata LoadAndSaveMetaData(string titleId, Action<ApplicationMetadata> modifyFunction = null)
{
string metadataFolder = Path.Combine(AppDataManager.GamesDirPath, titleId, "gui");
string metadataFile = Path.Combine(metadataFolder, "metadata.json");
ApplicationMetadata appMetadata;
if (!File.Exists(metadataFile))
{
Directory.CreateDirectory(metadataFolder);
appMetadata = new ApplicationMetadata();
JsonHelper.SerializeToFile(metadataFile, appMetadata, SerializerContext.ApplicationMetadata);
}
try
{
appMetadata = JsonHelper.DeserializeFromFile(metadataFile, SerializerContext.ApplicationMetadata);
}
catch (JsonException)
{
Logger.Warning?.Print(LogClass.Application, $"Failed to parse metadata json for {titleId}. Loading defaults.");
appMetadata = new ApplicationMetadata();
}
if (modifyFunction != null)
{
modifyFunction(appMetadata);
JsonHelper.SerializeToFile(metadataFile, appMetadata, SerializerContext.ApplicationMetadata);
}
return appMetadata;
}
public byte[] GetApplicationIcon(string applicationPath)
{
byte[] applicationIcon = null;
try
{
// Look for icon only if applicationPath is not a directory
if (!Directory.Exists(applicationPath))
{
string extension = Path.GetExtension(applicationPath).ToLower();
using FileStream file = new(applicationPath, FileMode.Open, FileAccess.Read);
if (extension == ".nsp" || extension == ".pfs0" || extension == ".xci")
{
try
{
PartitionFileSystem pfs;
bool isExeFs = false;
if (extension == ".xci")
{
Xci xci = new(_virtualFileSystem.KeySet, file.AsStorage());
pfs = xci.OpenPartition(XciPartitionType.Secure);
}
else
{
pfs = new PartitionFileSystem(file.AsStorage());
foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*"))
{
if (Path.GetFileNameWithoutExtension(fileEntry.FullPath) == "main")
{
isExeFs = true;
}
}
}
if (isExeFs)
{
applicationIcon = _nspIcon;
}
else
{
// Store the ControlFS in variable called controlFs
GetControlFsAndTitleId(pfs, out IFileSystem controlFs, out _);
// Read the icon from the ControlFS and store it as a byte array
try
{
using var icon = new UniqueRef<IFile>();
controlFs.OpenFile(ref icon.Ref, $"/icon_{_desiredTitleLanguage}.dat".ToU8Span(), OpenMode.Read).ThrowIfFailure();
using MemoryStream stream = new();
icon.Get.AsStream().CopyTo(stream);
applicationIcon = stream.ToArray();
}
catch (HorizonResultException)
{
foreach (DirectoryEntryEx entry in controlFs.EnumerateEntries("/", "*"))
{
if (entry.Name == "control.nacp")
{
continue;
}
using var icon = new UniqueRef<IFile>();
controlFs.OpenFile(ref icon.Ref, entry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
using (MemoryStream stream = new())
{
icon.Get.AsStream().CopyTo(stream);
applicationIcon = stream.ToArray();
}
if (applicationIcon != null)
{
break;
}
}
applicationIcon ??= extension == ".xci" ? _xciIcon : _nspIcon;
}
}
}
catch (MissingKeyException)
{
applicationIcon = extension == ".xci" ? _xciIcon : _nspIcon;
}
catch (InvalidDataException)
{
applicationIcon = extension == ".xci" ? _xciIcon : _nspIcon;
}
catch (Exception exception)
{
Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. File: '{applicationPath}' Error: {exception}");
}
}
else if (extension == ".nro")
{
BinaryReader reader = new(file);
byte[] Read(long position, int size)
{
file.Seek(position, SeekOrigin.Begin);
return reader.ReadBytes(size);
}
try
{
file.Seek(24, SeekOrigin.Begin);
int assetOffset = reader.ReadInt32();
if (Encoding.ASCII.GetString(Read(assetOffset, 4)) == "ASET")
{
byte[] iconSectionInfo = Read(assetOffset + 8, 0x10);
long iconOffset = BitConverter.ToInt64(iconSectionInfo, 0);
long iconSize = BitConverter.ToInt64(iconSectionInfo, 8);
// Reads and stores game icon as byte array
applicationIcon = Read(assetOffset + iconOffset, (int)iconSize);
}
else
{
applicationIcon = _nroIcon;
}
}
catch
{
Logger.Warning?.Print(LogClass.Application, $"The file encountered was not of a valid type. Errored File: {applicationPath}");
}
}
else if (extension == ".nca")
{
applicationIcon = _ncaIcon;
}
// If its an NSO we just set defaults
else if (extension == ".nso")
{
applicationIcon = _nsoIcon;
}
}
}
catch(Exception)
{
Logger.Warning?.Print(LogClass.Application, $"Could not retrieve a valid icon for the app. Default icon will be used. Errored File: {applicationPath}");
}
return applicationIcon ?? _ncaIcon;
}
private static string ConvertSecondsToFormattedString(double seconds)
{
System.TimeSpan time = System.TimeSpan.FromSeconds(seconds);
string timeString;
if (time.Days != 0)
{
timeString = $"{time.Days}d {time.Hours:D2}h {time.Minutes:D2}m";
}
else if (time.Hours != 0)
{
timeString = $"{time.Hours:D2}h {time.Minutes:D2}m";
}
else if (time.Minutes != 0)
{
timeString = $"{time.Minutes:D2}m";
}
else
{
timeString = "Never";
}
return timeString;
}
private void GetGameInformation(ref ApplicationControlProperty controlData, out string titleName, out string titleId, out string publisher, out string version)
{
_ = Enum.TryParse(_desiredTitleLanguage.ToString(), out TitleLanguage desiredTitleLanguage);
if (controlData.Title.ItemsRo.Length > (int)desiredTitleLanguage)
{
titleName = controlData.Title[(int)desiredTitleLanguage].NameString.ToString();
publisher = controlData.Title[(int)desiredTitleLanguage].PublisherString.ToString();
}
else
{
titleName = null;
publisher = null;
}
if (string.IsNullOrWhiteSpace(titleName))
{
foreach (ref readonly var controlTitle in controlData.Title.ItemsRo)
{
if (!controlTitle.NameString.IsEmpty())
{
titleName = controlTitle.NameString.ToString();
break;
}
}
}
if (string.IsNullOrWhiteSpace(publisher))
{
foreach (ref readonly var controlTitle in controlData.Title.ItemsRo)
{
if (!controlTitle.PublisherString.IsEmpty())
{
publisher = controlTitle.PublisherString.ToString();
break;
}
}
}
if (controlData.PresenceGroupId != 0)
{
titleId = controlData.PresenceGroupId.ToString("x16");
}
else if (controlData.SaveDataOwnerId != 0)
{
titleId = controlData.SaveDataOwnerId.ToString();
}
else if (controlData.AddOnContentBaseId != 0)
{
titleId = (controlData.AddOnContentBaseId - 0x1000).ToString("x16");
}
else
{
titleId = "0000000000000000";
}
version = controlData.DisplayVersionString.ToString();
}
private bool IsUpdateApplied(string titleId, out IFileSystem updatedControlFs)
{
updatedControlFs = null;
string updatePath = "(unknown)";
try
{
(Nca patchNca, Nca controlNca) = GetGameUpdateData(_virtualFileSystem, titleId, 0, out updatePath);
if (patchNca != null && controlNca != null)
{
updatedControlFs = controlNca?.OpenFileSystem(NcaSectionType.Data, IntegrityCheckLevel.None);
return true;
}
}
catch (InvalidDataException)
{
Logger.Warning?.Print(LogClass.Application, $"The header key is incorrect or missing and therefore the NCA header content type check has failed. Errored File: {updatePath}");
}
catch (MissingKeyException exception)
{
Logger.Warning?.Print(LogClass.Application, $"Your key set is missing a key with the name: {exception.Name}. Errored File: {updatePath}");
}
return false;
}
public static (Nca main, Nca patch, Nca control) GetGameData(VirtualFileSystem fileSystem, PartitionFileSystem pfs, int programIndex)
{
Nca mainNca = null;
Nca patchNca = null;
Nca controlNca = null;
fileSystem.ImportTickets(pfs);
foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
{
using var ncaFile = new UniqueRef<IFile>();
pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
Nca nca = new Nca(fileSystem.KeySet, ncaFile.Release().AsStorage());
int ncaProgramIndex = (int)(nca.Header.TitleId & 0xF);
if (ncaProgramIndex != programIndex)
{
continue;
}
if (nca.Header.ContentType == NcaContentType.Program)
{
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
if (nca.SectionExists(NcaSectionType.Data) && nca.Header.GetFsHeader(dataIndex).IsPatchSection())
{
patchNca = nca;
}
else
{
mainNca = nca;
}
}
else if (nca.Header.ContentType == NcaContentType.Control)
{
controlNca = nca;
}
}
return (mainNca, patchNca, controlNca);
}
public static (Nca patch, Nca control) GetGameUpdateDataFromPartition(VirtualFileSystem fileSystem, PartitionFileSystem pfs, string titleId, int programIndex)
{
Nca patchNca = null;
Nca controlNca = null;
fileSystem.ImportTickets(pfs);
foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
{
using var ncaFile = new UniqueRef<IFile>();
pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
Nca nca = new Nca(fileSystem.KeySet, ncaFile.Release().AsStorage());
int ncaProgramIndex = (int)(nca.Header.TitleId & 0xF);
if (ncaProgramIndex != programIndex)
{
continue;
}
if ($"{nca.Header.TitleId.ToString("x16")[..^3]}000" != titleId)
{
break;
}
if (nca.Header.ContentType == NcaContentType.Program)
{
patchNca = nca;
}
else if (nca.Header.ContentType == NcaContentType.Control)
{
controlNca = nca;
}
}
return (patchNca, controlNca);
}
public static (Nca patch, Nca control) GetGameUpdateData(VirtualFileSystem fileSystem, string titleId, int programIndex, out string updatePath)
{
updatePath = null;
if (ulong.TryParse(titleId, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out ulong titleIdBase))
{
// Clear the program index part.
titleIdBase &= ~0xFUL;
// Load update information if exists.
string titleUpdateMetadataPath = Path.Combine(AppDataManager.GamesDirPath, titleIdBase.ToString("x16"), "updates.json");
if (File.Exists(titleUpdateMetadataPath))
{
updatePath = JsonHelper.DeserializeFromFile(titleUpdateMetadataPath, TitleSerializerContext.TitleUpdateMetadata).Selected;
if (File.Exists(updatePath))
{
FileStream file = new FileStream(updatePath, FileMode.Open, FileAccess.Read);
PartitionFileSystem nsp = new PartitionFileSystem(file.AsStorage());
return GetGameUpdateDataFromPartition(fileSystem, nsp, titleIdBase.ToString("x16"), programIndex);
}
}
}
return (null, null);
}
}
}