using JsonPrettyPrinterPlus;
using LibHac;
using LibHac.Fs;
using LibHac.Fs.Shim;
using LibHac.FsSystem;
using LibHac.FsSystem.NcaUtils;
using LibHac.Ncm;
using LibHac.Spl;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.FileSystem;
using Ryujinx.HLE.Loaders.Npdm;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using Utf8Json;
using Utf8Json.Resolvers;
using RightsId = LibHac.Fs.RightsId;
using TitleLanguage = Ryujinx.HLE.HOS.SystemState.TitleLanguage;
namespace Ryujinx.Ui
{
public class ApplicationLibrary
{
public static event EventHandler<ApplicationAddedEventArgs> ApplicationAdded;
private static readonly byte[] _nspIcon = GetResourceBytes("Ryujinx.Ui.assets.NSPIcon.png");
private static readonly byte[] _xciIcon = GetResourceBytes("Ryujinx.Ui.assets.XCIIcon.png");
private static readonly byte[] _ncaIcon = GetResourceBytes("Ryujinx.Ui.assets.NCAIcon.png");
private static readonly byte[] _nroIcon = GetResourceBytes("Ryujinx.Ui.assets.NROIcon.png");
private static readonly byte[] _nsoIcon = GetResourceBytes("Ryujinx.Ui.assets.NSOIcon.png");
private static Keyset _keySet;
private static TitleLanguage _desiredTitleLanguage;
private static ApplicationMetadata _appMetadata;
public static void LoadApplications(List<string> appDirs, Keyset keySet, TitleLanguage desiredTitleLanguage, FileSystemClient fsClient = null, VirtualFileSystem vfs = null)
{
int numApplicationsFound = 0;
int numApplicationsLoaded = 0;
_keySet = keySet;
_desiredTitleLanguage = desiredTitleLanguage;
// Builds the applications list with paths to found applications
List<string> applications = new List<string>();
foreach (string appDir in appDirs)
{
if (Directory.Exists(appDir) == false)
{
Logger.PrintWarning(LogClass.Application, $"The \"game_dirs\" section in \"Config.json\" contains an invalid directory: \"{appDir}\"");
continue;
}
foreach (string app in Directory.GetFiles(appDir, "*.*", SearchOption.AllDirectories))
{
if ((Path.GetExtension(app) == ".xci") ||
(Path.GetExtension(app) == ".nro") ||
(Path.GetExtension(app) == ".nso") ||
(Path.GetFileName(app) == "hbl.nsp"))
{
applications.Add(app);
numApplicationsFound++;
}
else if ((Path.GetExtension(app) == ".nsp") || (Path.GetExtension(app) == ".pfs0"))
{
try
{
bool hasMainNca = false;
PartitionFileSystem nsp = new PartitionFileSystem(new FileStream(app, FileMode.Open, FileAccess.Read).AsStorage());
foreach (DirectoryEntryEx fileEntry in nsp.EnumerateEntries("/", "*.nca"))
{
nsp.OpenFile(out IFile ncaFile, fileEntry.FullPath, OpenMode.Read).ThrowIfFailure();
Nca nca = new Nca(_keySet, ncaFile.AsStorage());
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
if (nca.Header.ContentType == NcaContentType.Program && !nca.Header.GetFsHeader(dataIndex).IsPatchSection())
{
hasMainNca = true;
}
}
if (!hasMainNca)
{
continue;
}
}
catch (InvalidDataException)
{
Logger.PrintWarning(LogClass.Application, $"{app}: The header key is incorrect or missing and therefore the NCA header content type check has failed.");
}
applications.Add(app);
numApplicationsFound++;
}
else if (Path.GetExtension(app) == ".nca")
{
try
{
Nca nca = new Nca(_keySet, new FileStream(app, FileMode.Open, FileAccess.Read).AsStorage());
int dataIndex = Nca.GetSectionIndexFromType(NcaSectionType.Data, NcaContentType.Program);
if (nca.Header.ContentType != NcaContentType.Program || nca.Header.GetFsHeader(dataIndex).IsPatchSection())
{
continue;
}
}
catch (InvalidDataException)
{
Logger.PrintWarning(LogClass.Application, $"{app}: The header key is incorrect or missing and therefore the NCA header content type check has failed.");
}
applications.Add(app);
numApplicationsFound++;
}
}
}
// Loops through applications list, creating a struct and then firing an event containing the struct for each application
foreach (string applicationPath in applications)
{
double fileSize = new FileInfo(applicationPath).Length * 0.000000000931;
string titleName = "Unknown";
string titleId = "0000000000000000";
string developer = "Unknown";
string version = "0";
string saveDataPath = null;
byte[] applicationIcon = null;
using (FileStream file = new FileStream(applicationPath, FileMode.Open, FileAccess.Read))
{
if ((Path.GetExtension(applicationPath) == ".nsp") ||
(Path.GetExtension(applicationPath) == ".pfs0") ||
(Path.GetExtension(applicationPath) == ".xci"))
{
try
{
PartitionFileSystem pfs;
if (Path.GetExtension(applicationPath) == ".xci")
{
Xci xci = new Xci(_keySet, file.AsStorage());
pfs = xci.OpenPartition(XciPartitionType.Secure);
}
else
{
pfs = new PartitionFileSystem(file.AsStorage());
}
// Store the ControlFS in variable called controlFs
IFileSystem controlFs = GetControlFs(pfs);
// If this is null then this is probably not a normal NSP, it's probably an ExeFS as an NSP
if (controlFs == null)
{
applicationIcon = _nspIcon;
Result result = pfs.OpenFile(out IFile npdmFile, "/main.npdm", OpenMode.Read);
if (result != ResultFs.PathNotFound)
{
Npdm npdm = new Npdm(npdmFile.AsStream());
titleName = npdm.TitleName;
titleId = npdm.Aci0.TitleId.ToString("x16");
}
}
else
{
// Creates NACP class from the NACP file
controlFs.OpenFile(out IFile controlNacpFile, "/control.nacp", OpenMode.Read).ThrowIfFailure();
Nacp controlData = new Nacp(controlNacpFile.AsStream());
// Get the title name, title ID, developer name and version number from the NACP
version = controlData.DisplayVersion;
titleName = controlData.Descriptions[(int)_desiredTitleLanguage].Title;
if (string.IsNullOrWhiteSpace(titleName))
{
titleName = controlData.Descriptions.ToList().Find(x => !string.IsNullOrWhiteSpace(x.Title)).Title;
}
titleId = controlData.PresenceGroupId.ToString("x16");
if (string.IsNullOrWhiteSpace(titleId))
{
titleId = controlData.SaveDataOwnerId.ToString("x16");
}
if (string.IsNullOrWhiteSpace(titleId))
{
titleId = (controlData.AddOnContentBaseId - 0x1000).ToString("x16");
}
developer = controlData.Descriptions[(int)_desiredTitleLanguage].Developer;
if (string.IsNullOrWhiteSpace(developer))
{
developer = controlData.Descriptions.ToList().Find(x => !string.IsNullOrWhiteSpace(x.Developer)).Developer;
}
// Read the icon from the ControlFS and store it as a byte array
try
{
controlFs.OpenFile(out IFile icon, $"/icon_{_desiredTitleLanguage}.dat", OpenMode.Read).ThrowIfFailure();
using (MemoryStream stream = new MemoryStream())
{
icon.AsStream().CopyTo(stream);
applicationIcon = stream.ToArray();
}
}
catch (HorizonResultException)
{
foreach (DirectoryEntryEx entry in controlFs.EnumerateEntries("/", "*"))
{
if (entry.Name == "control.nacp")
{
continue;
}
controlFs.OpenFile(out IFile icon, entry.FullPath, OpenMode.Read).ThrowIfFailure();
using (MemoryStream stream = new MemoryStream())
{
icon.AsStream().CopyTo(stream);
applicationIcon = stream.ToArray();
}
if (applicationIcon != null)
{
break;
}
}
if (applicationIcon == null)
{
applicationIcon = Path.GetExtension(applicationPath) == ".xci" ? _xciIcon : _nspIcon;
}
}
}
}
catch (MissingKeyException exception)
{
applicationIcon = Path.GetExtension(applicationPath) == ".xci" ? _xciIcon : _nspIcon;
Logger.PrintWarning(LogClass.Application, $"Your key set is missing a key with the name: {exception.Name}");
}
catch (InvalidDataException)
{
applicationIcon = Path.GetExtension(applicationPath) == ".xci" ? _xciIcon : _nspIcon;
Logger.PrintWarning(LogClass.Application, $"The header key is incorrect or missing and therefore the NCA header content type check has failed. Errored File: {applicationPath}");
}
}
else if (Path.GetExtension(applicationPath) == ".nro")
{
BinaryReader reader = new BinaryReader(file);
byte[] Read(long position, int size)
{
file.Seek(position, SeekOrigin.Begin);
return reader.ReadBytes(size);
}
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);
// Creates memory stream out of byte array which is the NACP
using (MemoryStream stream = new MemoryStream(Read(assetOffset + (int)nacpOffset, (int)nacpSize)))
{
// Creates NACP class from the memory stream
Nacp controlData = new Nacp(stream);
// Get the title name, title ID, developer name and version number from the NACP
version = controlData.DisplayVersion;
titleName = controlData.Descriptions[(int)_desiredTitleLanguage].Title;
if (string.IsNullOrWhiteSpace(titleName))
{
titleName = controlData.Descriptions.ToList().Find(x => !string.IsNullOrWhiteSpace(x.Title)).Title;
}
titleId = controlData.PresenceGroupId.ToString("x16");
if (string.IsNullOrWhiteSpace(titleId))
{
titleId = controlData.SaveDataOwnerId.ToString("x16");
}
if (string.IsNullOrWhiteSpace(titleId))
{
titleId = (controlData.AddOnContentBaseId - 0x1000).ToString("x16");
}
developer = controlData.Descriptions[(int)_desiredTitleLanguage].Developer;
if (string.IsNullOrWhiteSpace(developer))
{
developer = controlData.Descriptions.ToList().Find(x => !string.IsNullOrWhiteSpace(x.Developer)).Developer;
}
}
}
else
{
applicationIcon = _nroIcon;
}
}
// If its an NCA or NSO we just set defaults
else if ((Path.GetExtension(applicationPath) == ".nca") || (Path.GetExtension(applicationPath) == ".nso"))
{
applicationIcon = Path.GetExtension(applicationPath) == ".nca" ? _ncaIcon : _nsoIcon;
titleName = Path.GetFileNameWithoutExtension(applicationPath);
}
}
(bool favorite, string timePlayed, string lastPlayed) = GetMetadata(titleId);
if (ulong.TryParse(titleId, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out ulong titleIdNum))
{
SaveDataFilter filter = new SaveDataFilter();
filter.SetUserId(new UserId(1, 0));
filter.SetTitleId(new TitleId(titleIdNum));
Result result = fsClient.FindSaveDataWithFilter(out SaveDataInfo saveDataInfo, SaveDataSpaceId.User, ref filter);
if (result.IsSuccess())
{
saveDataPath = Path.Combine(vfs.GetNandPath(), $"user/save/{saveDataInfo.SaveDataId:x16}");
}
}
ApplicationData data = new ApplicationData()
{
Favorite = favorite,
Icon = applicationIcon,
TitleName = titleName,
TitleId = titleId,
Developer = developer,
Version = version,
TimePlayed = timePlayed,
LastPlayed = lastPlayed,
FileExtension = Path.GetExtension(applicationPath).ToUpper().Remove(0 ,1),
FileSize = (fileSize < 1) ? (fileSize * 1024).ToString("0.##") + "MB" : fileSize.ToString("0.##") + "GB",
Path = applicationPath,
SaveDataPath = saveDataPath
};
numApplicationsLoaded++;
OnApplicationAdded(new ApplicationAddedEventArgs()
{
AppData = data,
NumAppsFound = numApplicationsFound,
NumAppsLoaded = numApplicationsLoaded
});
}
}
protected static void OnApplicationAdded(ApplicationAddedEventArgs e)
{
ApplicationAdded?.Invoke(null, e);
}
private static byte[] GetResourceBytes(string resourceName)
{
Stream resourceStream = Assembly.GetCallingAssembly().GetManifestResourceStream(resourceName);
byte[] resourceByteArray = new byte[resourceStream.Length];
resourceStream.Read(resourceByteArray);
return resourceByteArray;
}
private static IFileSystem GetControlFs(PartitionFileSystem pfs)
{
Nca controlNca = null;
// Add keys to key set if needed
foreach (DirectoryEntryEx ticketEntry in pfs.EnumerateEntries("/", "*.tik"))
{
Result result = pfs.OpenFile(out IFile ticketFile, ticketEntry.FullPath, OpenMode.Read);
if (result.IsSuccess())
{
Ticket ticket = new Ticket(ticketFile.AsStream());
_keySet.ExternalKeySet.Add(new RightsId(ticket.RightsId), new AccessKey(ticket.GetTitleKey(_keySet)));
}
}
// Find the Control NCA and store it in variable called controlNca
foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
{
pfs.OpenFile(out IFile ncaFile, fileEntry.FullPath, OpenMode.Read).ThrowIfFailure();
Nca nca = new Nca(_keySet, ncaFile.AsStorage());
if (nca.Header.ContentType == NcaContentType.Control)
{
controlNca = nca;
}
}
// Return the ControlFS
return controlNca?.OpenFileSystem(NcaSectionType.Data, IntegrityCheckLevel.None);
}
private static (bool favorite, string timePlayed, string lastPlayed) GetMetadata(string titleId)
{
string metadataFolder = Path.Combine(new VirtualFileSystem().GetBasePath(), "games", titleId, "gui");
string metadataFile = Path.Combine(metadataFolder, "metadata.json");
IJsonFormatterResolver resolver = CompositeResolver.Create(StandardResolver.AllowPrivateSnakeCase);
if (!File.Exists(metadataFile))
{
Directory.CreateDirectory(metadataFolder);
_appMetadata = new ApplicationMetadata
{
Favorite = false,
TimePlayed = 0,
LastPlayed = "Never"
};
byte[] saveData = JsonSerializer.Serialize(_appMetadata, resolver);
File.WriteAllText(metadataFile, Encoding.UTF8.GetString(saveData, 0, saveData.Length).PrettyPrintJson());
}
using (Stream stream = File.OpenRead(metadataFile))
{
_appMetadata = JsonSerializer.Deserialize<ApplicationMetadata>(stream, resolver);
}
return (_appMetadata.Favorite, ConvertSecondsToReadableString(_appMetadata.TimePlayed), _appMetadata.LastPlayed);
}
private static string ConvertSecondsToReadableString(double seconds)
{
const int secondsPerMinute = 60;
const int secondsPerHour = secondsPerMinute * 60;
const int secondsPerDay = secondsPerHour * 24;
string readableString;
if (seconds < secondsPerMinute)
{
readableString = $"{seconds}s";
}
else if (seconds < secondsPerHour)
{
readableString = $"{Math.Round(seconds / secondsPerMinute, 2, MidpointRounding.AwayFromZero)} mins";
}
else if (seconds < secondsPerDay)
{
readableString = $"{Math.Round(seconds / secondsPerHour, 2, MidpointRounding.AwayFromZero)} hrs";
}
else
{
readableString = $"{Math.Round(seconds / secondsPerDay, 2, MidpointRounding.AwayFromZero)} days";
}
return readableString;
}
}
}