Files
MPF/MPF.Core/Processors/UmdImageCreator.cs
2024-05-21 15:42:38 -04:00

324 lines
13 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using MPF.Core.Converters;
using MPF.Core.Data;
using SabreTools.Hashing;
using SabreTools.Models.Logiqx;
using SabreTools.RedumpLib;
using SabreTools.RedumpLib.Data;
namespace MPF.Core.Processors
{
/// <summary>
/// Represents processing UmdImageCreator outputs
/// </summary>
public sealed class UmdImageCreator : BaseProcessor
{
/// <inheritdoc/>
public UmdImageCreator(RedumpSystem? system, MediaType? type) : base(system, type) { }
#region BaseProcessor Implementations
/// <inheritdoc/>
public override (bool, List<string>) CheckAllOutputFilesExist(string basePath, bool preCheck)
{
var missingFiles = new List<string>();
switch (Type)
{
case MediaType.UMD:
if (!File.Exists($"{basePath}_logs.zip") || !preCheck)
{
if (!File.Exists($"{basePath}_disc.txt"))
missingFiles.Add($"{basePath}_disc.txt");
if (!File.Exists($"{basePath}_mainError.txt"))
missingFiles.Add($"{basePath}_mainError.txt");
if (!File.Exists($"{basePath}_mainInfo.txt"))
missingFiles.Add($"{basePath}_mainInfo.txt");
if (!File.Exists($"{basePath}_volDesc.txt"))
missingFiles.Add($"{basePath}_volDesc.txt");
}
break;
default:
missingFiles.Add("Media and system combination not supported for UmdImageCreator");
break;
}
return (!missingFiles.Any(), missingFiles);
}
/// <inheritdoc/>
public override void GenerateSubmissionInfo(SubmissionInfo info, Options options, string basePath, Drive? drive, bool includeArtifacts)
{
// Ensure that required sections exist
info = Builder.EnsureAllSections(info);
// TODO: Determine if there's a UMDImageCreator version anywhere
info.DumpingInfo!.DumpingProgram = EnumConverter.LongName(InternalProgram.UmdImageCreator);
info.DumpingInfo.DumpingDate = InfoTool.GetFileModifiedDate(basePath + "_disc.txt")?.ToString("yyyy-MM-dd HH:mm:ss");
// Fill in the volume labels
if (GetVolumeLabels($"{basePath}_volDesc.txt", out var volLabels))
VolumeLabels = volLabels;
// Extract info based generically on MediaType
switch (Type)
{
case MediaType.UMD:
info.Extras!.PVD = GetPVD(basePath + "_mainInfo.txt") ?? string.Empty;
if (HashTool.GetStandardHashes(basePath + ".iso", out long filesize, out var crc32, out var md5, out var sha1))
{
// Get the Datafile information
var datafile = new Datafile
{
Game = [new Game { Rom = [new Rom { Name = string.Empty, Size = filesize.ToString(), CRC = crc32, MD5 = md5, SHA1 = sha1 }] }]
};
// Fill in the hash data
info.TracksAndWriteOffsets!.ClrMameProData = InfoTool.GenerateDatfile(datafile);
info.SizeAndChecksums!.Size = filesize;
info.SizeAndChecksums.CRC32 = crc32;
info.SizeAndChecksums.MD5 = md5;
info.SizeAndChecksums.SHA1 = sha1;
}
if (GetUMDAuxInfo(basePath + "_disc.txt", out var title, out DiscCategory? umdcat, out var umdversion, out var umdlayer, out long umdsize))
{
info.CommonDiscInfo!.Title = title ?? string.Empty;
info.CommonDiscInfo.Category = umdcat ?? DiscCategory.Games;
info.VersionAndEditions!.Version = umdversion ?? string.Empty;
info.SizeAndChecksums!.Size = umdsize;
if (!string.IsNullOrEmpty(umdlayer))
info.SizeAndChecksums.Layerbreak = Int64.Parse(umdlayer ?? "-1");
}
break;
}
// Fill in any artifacts that exist, Base64-encoded, if we need to
if (includeArtifacts)
{
info.Artifacts ??= [];
if (File.Exists($"{basePath}_disc.txt"))
info.Artifacts["disc"] = GetBase64(GetFullFile($"{basePath}_disc.txt")) ?? string.Empty;
if (File.Exists($"{basePath}_drive.txt"))
info.Artifacts["drive"] = GetBase64(GetFullFile($"{basePath}_drive.txt")) ?? string.Empty;
if (File.Exists($"{basePath}_mainError.txt"))
info.Artifacts["mainError"] = GetBase64(GetFullFile($"{basePath}_mainError.txt")) ?? string.Empty;
if (File.Exists($"{basePath}_mainInfo.txt"))
info.Artifacts["mainInfo"] = GetBase64(GetFullFile($"{basePath}_mainInfo.txt")) ?? string.Empty;
//if (File.Exists($"{basePath}_PFI.bin"))
// info.Artifacts["pfi"] = Convert.ToBase64String(File.ReadAllBytes($"{basePath}_PFI.bin")) ?? string.Empty;
if (File.Exists($"{basePath}_volDesc.txt"))
info.Artifacts["volDesc"] = GetBase64(GetFullFile($"{basePath}_volDesc.txt")) ?? string.Empty;
}
}
/// <inheritdoc/>
public override List<string> GetLogFilePaths(string basePath)
{
var logFiles = new List<string>();
switch (Type)
{
case MediaType.UMD:
if (File.Exists($"{basePath}_disc.txt"))
logFiles.Add($"{basePath}_disc.txt");
if (File.Exists($"{basePath}_drive.txt"))
logFiles.Add($"{basePath}_drive.txt");
if (File.Exists($"{basePath}_mainError.txt"))
logFiles.Add($"{basePath}_mainError.txt");
if (File.Exists($"{basePath}_mainInfo.txt"))
logFiles.Add($"{basePath}_mainInfo.txt");
if (File.Exists($"{basePath}_volDesc.txt"))
logFiles.Add($"{basePath}_volDesc.txt");
if (File.Exists($"{basePath}_PFI.bin"))
logFiles.Add($"{basePath}_PFI.bin");
break;
}
return logFiles;
}
#endregion
#region Information Extraction Methods
/// <summary>
/// Get the PVD from the input file, if possible
/// </summary>
/// <param name="mainInfo">_mainInfo.txt file location</param>
/// <returns>Newline-deliminated PVD if possible, null on error</returns>
private static string? GetPVD(string mainInfo)
{
// If the file doesn't exist, we can't get info from it
if (!File.Exists(mainInfo))
return null;
try
{
// Make sure we're in the right sector
using var sr = File.OpenText(mainInfo);
while (sr.ReadLine()?.StartsWith("========== LBA[000016, 0x0000010]: Main Channel ==========") == false) ;
// Fast forward to the PVD
while (sr.ReadLine()?.StartsWith("0310") == false) ;
// Now that we're at the PVD, read each line in and concatenate
string pvd = "";
for (int i = 0; i < 6; i++)
pvd += sr.ReadLine() + "\n"; // 320-370
return pvd;
}
catch
{
// We don't care what the exception is right now
return null;
}
}
/// <summary>
/// Get the UMD auxiliary info from the outputted files, if possible
/// </summary>
/// <param name="disc">_disc.txt file location</param>
/// <returns>True on successful extraction of info, false otherwise</returns>
private static bool GetUMDAuxInfo(string disc, out string? title, out DiscCategory? umdcat, out string? umdversion, out string? umdlayer, out long umdsize)
{
title = null; umdcat = null; umdversion = null; umdlayer = null; umdsize = -1;
// If the file doesn't exist, we can't get info from it
if (!File.Exists(disc))
return false;
try
{
// Loop through everything to get the first instance of each required field
using var sr = File.OpenText(disc);
while (!sr.EndOfStream)
{
string? line = sr.ReadLine()?.Trim();
if (line == null)
break;
if (line.StartsWith("TITLE") && title == null)
title = line.Substring("TITLE: ".Length);
else if (line.StartsWith("DISC_VERSION") && umdversion == null)
umdversion = line.Split(' ')[1];
else if (line.StartsWith("pspUmdTypes"))
umdcat = InfoTool.GetUMDCategory(line.Split(' ')[1]);
else if (line.StartsWith("L0 length"))
umdlayer = line.Split(' ')[2];
else if (line.StartsWith("FileSize:"))
umdsize = Int64.Parse(line.Split(' ')[1]);
}
// If the L0 length is the size of the full disc, there's no layerbreak
if (Int64.TryParse(umdlayer, out long umdlayerValue) && umdlayerValue * 2048 == umdsize)
umdlayer = null;
return true;
}
catch
{
// We don't care what the exception is right now
return false;
}
}
/// <summary>
/// Get all Volume Identifiers
/// </summary>
/// <param name="volDesc">_volDesc.txt file location</param>
/// <returns>Volume labels (by type), or null if none present</returns>
/// <remarks>This is a copy of the code from DiscImageCreator and has extrandous checks</remarks>
private static bool GetVolumeLabels(string volDesc, out Dictionary<string, List<string>> volLabels)
{
// If the file doesn't exist, can't get the volume labels
volLabels = [];
if (!File.Exists(volDesc))
return false;
try
{
using var sr = File.OpenText(volDesc);
var line = sr.ReadLine();
string volType = "UNKNOWN";
string label;
while (line != null)
{
// Trim the line for later use
line = line.Trim();
// ISO9660 and extensions section
if (line.StartsWith("Volume Descriptor Type: "))
{
Int32.TryParse(line.Substring("Volume Descriptor Type: ".Length), out int volTypeInt);
volType = volTypeInt switch
{
// 0 => "Boot Record" // Should not not contain a Volume Identifier
1 => "ISO", // ISO9660
2 => "Joliet",
// 3 => "Volume Partition Descriptor" // Should not not contain a Volume Identifier
// 255 => "???" // Should not not contain a Volume Identifier
_ => "UNKNOWN" // Should not contain a Volume Identifier
};
}
// UDF section
else if (line.StartsWith("Primary Volume Descriptor Number:"))
{
volType = "UDF";
}
// Identifier
else if (line.StartsWith("Volume Identifier: "))
{
label = line.Substring("Volume Identifier: ".Length);
// Remove leading non-printable character (unsure why DIC outputs this)
if (Convert.ToUInt32(label[0]) == 0x7F || Convert.ToUInt32(label[0]) < 0x20)
label = label.Substring(1);
// Skip if label is blank
if (label == null || label.Length <= 0)
{
volType = "UNKNOWN";
line = sr.ReadLine();
continue;
}
if (volLabels.ContainsKey(label))
volLabels[label].Add(volType);
else
volLabels.Add(label, [volType]);
// Reset volume type
volType = "UNKNOWN";
}
line = sr.ReadLine();
}
// Return true if a volume label was found
return volLabels.Count > 0;
}
catch
{
// We don't care what the exception is right now
volLabels = [];
return false;
}
}
#endregion
}
}