using LibHac; using LibHac.Common; using LibHac.Fs; using LibHac.FsSystem; using LibHac.FsSystem.NcaUtils; using Ryujinx.Common.Logging; using Ryujinx.HLE.Exceptions; using Ryujinx.HLE.FileSystem; using Ryujinx.HLE.HOS.Services.Time.Clock; using Ryujinx.HLE.Utilities; using System.Collections.Generic; using System.IO; using static Ryujinx.HLE.HOS.Services.Time.TimeZone.TimeZoneRule; namespace Ryujinx.HLE.HOS.Services.Time.TimeZone { class TimeZoneContentManager { private const long TimeZoneBinaryTitleId = 0x010000000000080E; private Switch _device; private string[] _locationNameCache; public TimeZoneManager Manager { get; private set; } public TimeZoneContentManager() { Manager = new TimeZoneManager(); } internal void Initialize(TimeManager timeManager, Switch device) { _device = device; InitializeLocationNameCache(); SteadyClockTimePoint timeZoneUpdatedTimePoint = timeManager.StandardSteadyClock.GetCurrentTimePoint(null); ResultCode result = GetTimeZoneBinary("UTC", out Stream timeZoneBinaryStream, out LocalStorage ncaFile); if (result == ResultCode.Success) { // TODO: Read TimeZoneVersion from sysarchive. timeManager.SetupTimeZoneManager("UTC", timeZoneUpdatedTimePoint, (uint)_locationNameCache.Length, new UInt128(), timeZoneBinaryStream); ncaFile.Dispose(); } else { // In the case the user don't have the timezone system archive, we just mark the manager as initialized. Manager.MarkInitialized(); } } private void InitializeLocationNameCache() { if (HasTimeZoneBinaryTitle()) { using (IStorage ncaFileStream = new LocalStorage(_device.FileSystem.SwitchPathToSystemPath(GetTimeZoneBinaryTitleContentPath()), FileAccess.Read, FileMode.Open)) { Nca nca = new Nca(_device.System.KeySet, ncaFileStream); IFileSystem romfs = nca.OpenFileSystem(NcaSectionType.Data, _device.System.FsIntegrityCheckLevel); romfs.OpenFile(out IFile binaryListFile, "/binaryList.txt".ToU8Span(), OpenMode.Read).ThrowIfFailure(); StreamReader reader = new StreamReader(binaryListFile.AsStream()); List locationNameList = new List(); string locationName; while ((locationName = reader.ReadLine()) != null) { locationNameList.Add(locationName); } _locationNameCache = locationNameList.ToArray(); } } else { _locationNameCache = new string[0]; Logger.PrintWarning(LogClass.ServiceTime, "TimeZoneBinary system title not found! TimeZone conversions will not work, provide the system archive to fix this warning. (See https://github.com/Ryujinx/Ryujinx#requirements for more informations)"); } } private bool IsLocationNameValid(string locationName) { foreach (string cachedLocationName in _locationNameCache) { if (cachedLocationName.Equals(locationName)) { return true; } } return false; } public ResultCode SetDeviceLocationName(string locationName) { ResultCode result = GetTimeZoneBinary(locationName, out Stream timeZoneBinaryStream, out LocalStorage ncaFile); if (result == ResultCode.Success) { result = Manager.SetDeviceLocationNameWithTimeZoneRule(locationName, timeZoneBinaryStream); ncaFile.Dispose(); } return result; } public ResultCode LoadLocationNameList(uint index, out string[] outLocationNameArray, uint maxLength) { List locationNameList = new List(); for (int i = 0; i < _locationNameCache.Length && i < maxLength; i++) { if (i < index) { continue; } string locationName = _locationNameCache[i]; // If the location name is too long, error out. if (locationName.Length > 0x24) { outLocationNameArray = new string[0]; return ResultCode.LocationNameTooLong; } locationNameList.Add(locationName); } outLocationNameArray = locationNameList.ToArray(); return ResultCode.Success; } public string GetTimeZoneBinaryTitleContentPath() { return _device.System.ContentManager.GetInstalledContentPath(TimeZoneBinaryTitleId, StorageId.NandSystem, NcaContentType.Data); } public bool HasTimeZoneBinaryTitle() { return !string.IsNullOrEmpty(GetTimeZoneBinaryTitleContentPath()); } internal ResultCode GetTimeZoneBinary(string locationName, out Stream timeZoneBinaryStream, out LocalStorage ncaFile) { timeZoneBinaryStream = null; ncaFile = null; if (!IsLocationNameValid(locationName)) { return ResultCode.TimeZoneNotFound; } ncaFile = new LocalStorage(_device.FileSystem.SwitchPathToSystemPath(GetTimeZoneBinaryTitleContentPath()), FileAccess.Read, FileMode.Open); Nca nca = new Nca(_device.System.KeySet, ncaFile); IFileSystem romfs = nca.OpenFileSystem(NcaSectionType.Data, _device.System.FsIntegrityCheckLevel); Result result = romfs.OpenFile(out IFile timeZoneBinaryFile, $"/zoneinfo/{locationName}".ToU8Span(), OpenMode.Read); timeZoneBinaryStream = timeZoneBinaryFile.AsStream(); return (ResultCode)result.Value; } internal ResultCode LoadTimeZoneRule(out TimeZoneRule outRules, string locationName) { outRules = new TimeZoneRule { Ats = new long[TzMaxTimes], Types = new byte[TzMaxTimes], Ttis = new TimeTypeInfo[TzMaxTypes], Chars = new char[TzCharsArraySize] }; if (!HasTimeZoneBinaryTitle()) { throw new InvalidSystemResourceException($"TimeZoneBinary system title not found! Please provide it. (See https://github.com/Ryujinx/Ryujinx#requirements for more informations)"); } ResultCode result = GetTimeZoneBinary(locationName, out Stream timeZoneBinaryStream, out LocalStorage ncaFile); if (result == ResultCode.Success) { result = Manager.ParseTimeZoneRuleBinary(out outRules, timeZoneBinaryStream); ncaFile.Dispose(); } return result; } } }