using LibHac.Common; using LibHac.Fs; using LibHac.Fs.Fsa; using LibHac.FsSystem; using LibHac.FsSystem.NcaUtils; using Ryujinx.Common.Logging; using Ryujinx.HLE.FileSystem; using Ryujinx.HLE.HOS.Services.Am.AppletAE; using Ryujinx.HLE.HOS.SystemState; using System; using System.IO; using System.Linq; using System.Runtime.InteropServices; using System.Text; using System.Text.RegularExpressions; namespace Ryujinx.HLE.HOS.Applets.Error { internal class ErrorApplet : IApplet { private const long ErrorMessageBinaryTitleId = 0x0100000000000801; private Horizon _horizon; private AppletSession _normalSession; private CommonArguments _commonArguments; private ErrorCommonHeader _errorCommonHeader; private byte[] _errorStorage; public event EventHandler AppletStateChanged; public ErrorApplet(Horizon horizon) { _horizon = horizon; } public ResultCode Start(AppletSession normalSession, AppletSession interactiveSession) { _normalSession = normalSession; _commonArguments = IApplet.ReadStruct(_normalSession.Pop()); Logger.Info?.PrintMsg(LogClass.ServiceAm, $"ErrorApplet version: 0x{_commonArguments.AppletVersion:x8}"); _errorStorage = _normalSession.Pop(); _errorCommonHeader = IApplet.ReadStruct(_errorStorage); _errorStorage = _errorStorage.Skip(Marshal.SizeOf(typeof(ErrorCommonHeader))).ToArray(); switch (_errorCommonHeader.Type) { case ErrorType.ErrorCommonArg: { ParseErrorCommonArg(); break; } default: throw new NotImplementedException($"ErrorApplet type {_errorCommonHeader.Type} is not implemented."); } AppletStateChanged?.Invoke(this, null); return ResultCode.Success; } private (uint module, uint description) HexToResultCode(uint resultCode) { return ((resultCode & 0x1FF) + 2000, (resultCode >> 9) & 0x3FFF); } private string SystemLanguageToLanguageKey(SystemLanguage systemLanguage) { return systemLanguage switch { SystemLanguage.Japanese => "ja", SystemLanguage.AmericanEnglish => "en-US", SystemLanguage.French => "fr", SystemLanguage.German => "de", SystemLanguage.Italian => "it", SystemLanguage.Spanish => "es", SystemLanguage.Chinese => "zh-Hans", SystemLanguage.Korean => "ko", SystemLanguage.Dutch => "nl", SystemLanguage.Portuguese => "pt", SystemLanguage.Russian => "ru", SystemLanguage.Taiwanese => "zh-HansT", SystemLanguage.BritishEnglish => "en-GB", SystemLanguage.CanadianFrench => "fr-CA", SystemLanguage.LatinAmericanSpanish => "es-419", SystemLanguage.SimplifiedChinese => "zh-Hans", SystemLanguage.TraditionalChinese => "zh-Hant", _ => "en-US" }; } public string CleanText(string value) { return Regex.Replace(Encoding.Unicode.GetString(Encoding.UTF8.GetBytes(value)), @"[^\u0009\u000A\u000D\u0020-\u007E]", ""); } private string GetMessageText(uint module, uint description, string key) { string binaryTitleContentPath = _horizon.ContentManager.GetInstalledContentPath(ErrorMessageBinaryTitleId, StorageId.NandSystem, NcaContentType.Data); using (LibHac.Fs.IStorage ncaFileStream = new LocalStorage(_horizon.Device.FileSystem.SwitchPathToSystemPath(binaryTitleContentPath), FileAccess.Read, FileMode.Open)) { Nca nca = new Nca(_horizon.Device.FileSystem.KeySet, ncaFileStream); IFileSystem romfs = nca.OpenFileSystem(NcaSectionType.Data, _horizon.FsIntegrityCheckLevel); string languageCode = SystemLanguageToLanguageKey(_horizon.State.DesiredSystemLanguage); string filePath = "/" + Path.Combine(module.ToString(), $"{description:0000}", $"{languageCode}_{key}").Replace(@"\", "/"); if (romfs.FileExists(filePath)) { romfs.OpenFile(out IFile binaryFile, filePath.ToU8Span(), OpenMode.Read).ThrowIfFailure(); StreamReader reader = new StreamReader(binaryFile.AsStream()); return CleanText(reader.ReadToEnd()); } else { return ""; } } } private string[] GetButtonsText(uint module, uint description, string key) { string buttonsText = GetMessageText(module, description, key); return (buttonsText == "") ? null : buttonsText.Split(new[] { "\r\n", "\r", "\n" }, StringSplitOptions.None); } private void ParseErrorCommonArg() { ErrorCommonArg errorCommonArg = IApplet.ReadStruct(_errorStorage); uint module = errorCommonArg.Module; uint description = errorCommonArg.Description; if (_errorCommonHeader.MessageFlag == 0) { (module, description) = HexToResultCode(errorCommonArg.ResultCode); } string message = GetMessageText(module, description, "DlgMsg"); if (message == "") { message = "An error has occured.\n\n" + "Please try again later.\n\n" + "If the problem persists, please refer to the Ryujinx website.\n" + "www.ryujinx.org"; } string[] buttons = GetButtonsText(module, description, "DlgBtn"); bool showDetails = _horizon.Device.UiHandler.DisplayErrorAppletDialog($"Error Code: {module}-{description:0000}", "\n" + message, buttons); if (showDetails) { message = GetMessageText(module, description, "FlvMsg"); buttons = GetButtonsText(module, description, "FlvBtn"); _horizon.Device.UiHandler.DisplayErrorAppletDialog($"Details: {module}-{description:0000}", "\n" + message, buttons); } } public ResultCode GetResult() { return ResultCode.Success; } } }