Files
SabreTools.Serialization/SabreTools.Serialization.Readers/AppPkgHeader.cs
Matt Nadareski 8f49e190d8 Fix everything
2026-03-24 19:17:25 -04:00

82 lines
4.0 KiB
C#

using System.IO;
using System.Text;
using SabreTools.IO.Extensions;
using SabreTools.Numerics.Extensions;
using static SabreTools.Data.Models.PlayStation4.Constants;
#pragma warning disable IDE0017 // Simplify object initialization
namespace SabreTools.Serialization.Readers
{
public class AppPkgHeader : BaseBinaryReader<Data.Models.PlayStation4.AppPkgHeader>
{
/// <inheritdoc/>
public override Data.Models.PlayStation4.AppPkgHeader? Deserialize(Stream? data)
{
// If the data is invalid
if (data is null || !data.CanRead)
return null;
try
{
// Create a new app.pkg header to fill
var appPkgHeader = new Data.Models.PlayStation4.AppPkgHeader();
appPkgHeader.Magic = data.ReadUInt32BigEndian();
if (appPkgHeader.Magic != AppPkgMagic)
return null;
appPkgHeader.Type = data.ReadUInt32BigEndian();
appPkgHeader.PKGUnknown = data.ReadUInt32BigEndian();
appPkgHeader.FileCount = data.ReadUInt32BigEndian();
appPkgHeader.EntryCount = data.ReadUInt32BigEndian();
appPkgHeader.SCEntryCount = data.ReadUInt16BigEndian();
appPkgHeader.EntryCount2 = data.ReadUInt16BigEndian();
appPkgHeader.TableOffset = data.ReadUInt32BigEndian();
appPkgHeader.EntryDataSize = data.ReadUInt32BigEndian();
appPkgHeader.BodyOffset = data.ReadUInt64BigEndian();
appPkgHeader.BodySize = data.ReadUInt64BigEndian();
appPkgHeader.ContentOffset = data.ReadUInt64BigEndian();
appPkgHeader.ContentSize = data.ReadUInt64BigEndian();
byte[] contentID = data.ReadBytes(0x24);
appPkgHeader.ContentID = Encoding.ASCII.GetString(contentID).TrimEnd('\0');
appPkgHeader.ContentZeroes = data.ReadBytes(0xC);
appPkgHeader.DRMType = data.ReadUInt32BigEndian();
appPkgHeader.ContentType = data.ReadUInt32BigEndian();
appPkgHeader.ContentFlags = data.ReadUInt32BigEndian();
appPkgHeader.PromoteSize = data.ReadUInt32BigEndian();
appPkgHeader.VersionDate = data.ReadUInt32BigEndian();
appPkgHeader.VersionHash = data.ReadUInt32BigEndian();
appPkgHeader.Zeroes1 = data.ReadBytes(0x78);
appPkgHeader.MainEntry1SHA256 = data.ReadBytes(0x20);
appPkgHeader.MainEntry2SHA256 = data.ReadBytes(0x20);
appPkgHeader.DigestTableSHA256 = data.ReadBytes(0x20);
appPkgHeader.MainTableSHA256 = data.ReadBytes(0x20);
appPkgHeader.Zeroes2 = data.ReadBytes(0x280);
appPkgHeader.PFSUnknown = data.ReadUInt32BigEndian();
appPkgHeader.PFSImageCount = data.ReadUInt32BigEndian();
appPkgHeader.PFSImageFlags = data.ReadUInt64BigEndian();
appPkgHeader.PFSImageOffset = data.ReadUInt64BigEndian();
appPkgHeader.PFSImageSize = data.ReadUInt64BigEndian();
appPkgHeader.MountImageOffset = data.ReadUInt64BigEndian();
appPkgHeader.MountImageSize = data.ReadUInt64BigEndian();
appPkgHeader.PKGSize = data.ReadUInt64BigEndian();
appPkgHeader.PKGSignedSize = data.ReadUInt32BigEndian();
appPkgHeader.PKGCacheSize = data.ReadUInt32BigEndian();
appPkgHeader.PFSImageSHA256 = data.ReadBytes(0x20);
appPkgHeader.PFSSignedSHA256 = data.ReadBytes(0x20);
appPkgHeader.PFSSplitSize0 = data.ReadUInt64BigEndian();
appPkgHeader.PFSSplitSize1 = data.ReadUInt64BigEndian();
appPkgHeader.Zeroes3 = data.ReadBytes(0xB50);
appPkgHeader.PKGSHA256 = data.ReadBytes(0x20);
return appPkgHeader;
}
catch
{
// Ignore the actual error
return null;
}
}
}
}