private static ValidateResult checkCategoryMatchesPkgType(Gp4Project proj, string dir, ParamSfo sfo)
{
var sfoCategory = sfo["CATEGORY"].ToString();
var pkgType = proj.volume.Type;
bool ok = true;
switch (pkgType)
{
case VolumeType.pkg_ps4_app:
if (!sfoCategory.StartsWith("g"))
{
ok = false;
}
break;
case VolumeType.pkg_ps4_ac_data:
case VolumeType.pkg_ps4_ac_nodata:
case VolumeType.pkg_ps4_theme:
case VolumeType.pkg_ps4_sf_theme:
if (sfoCategory != "ac")
{
ok = false;
}
break;
}
if (!ok)
{
return(ValidateResult.Warning(
$"SFO CATEGORY {sfoCategory} is not valid for PKG volume type {pkgType}."));
}
return(null);
}
private static ValidateResult checkContentIdLength(Gp4Project proj, string dir)
{
if (proj.volume.Package.ContentId.Length != 36)
{
return(ValidateResult.Fatal("PKG Content ID must be 36 characters long."));
}
return(null);
}
private static ValidateResult checkPasscode(Gp4Project proj, string dir)
{
if (proj.volume.Package.Passcode.Length != 32)
{
return(ValidateResult.Fatal("Passcode must be 32 characters long."));
}
return(null);
}
private static ValidateResult checkAllFilesExist(Gp4Project proj, string dir)
{
var missingFiles = proj.files.Items
.Where(f => Path.Combine(dir, f.OrigPath) is string filePath && !File.Exists(filePath))
.Aggregate((string)null, (s, f) => s == null ? f.OrigPath : (s + ", " + f.OrigPath));
if (missingFiles != null)
{
return(ValidateResult.Fatal("Could not find source file(s): " + missingFiles));
}
return(null);
}
private static ValidateResult checkContentIdMatchesTitleIdSfo(Gp4Project proj, string dir, ParamSfo sfo)
{
var sfoContentId = sfo["CONTENT_ID"].ToString();
var sfoTitleId = sfo["TITLE_ID"].ToString();
if (sfoContentId.Substring(7).StartsWith(sfoTitleId))
{
return(null);
}
return(ValidateResult.Warning(
$"SFO TITLE_ID {sfoTitleId} does not match the CONTENT_ID {sfoContentId}."));
}
private static ValidateResult checkContentIdMatchesSfo(Gp4Project proj, string dir, ParamSfo sfo)
{
var pkgContentId = proj.volume.Package.ContentId;
var sfoContentId = sfo["CONTENT_ID"].ToString();
if (pkgContentId != sfoContentId)
{
return(ValidateResult.Warning(
$"PKG Content ID {pkgContentId} does not match CONTENT_ID {sfoContentId} in param.sfo."));
}
return(null);
}
private static ValidateResult checkContentIdFormat(Gp4Project proj, string dir)
{
var pkgContentId = proj.volume.Package.ContentId;
Regex contentIdReg = new Regex("^[A-Z]{2}[0-9]{4}-[A-Z]{4}[0-9]{5}_00-[A-Z0-9]{16}$");
if (contentIdReg.IsMatch(pkgContentId))
{
return(null);
}
return(ValidateResult.Warning(
"PKG Content ID is the wrong format. " +
"Format should be XXYYYY-XXXXYYYYY_00-ZZZZZZZZZZZZZZZZ, where X is a letter, Y is a number, and Z is either."));
}
private static ValidateResult checkDuplicateFilenames(Gp4Project proj, string dir)
{
var dupeFiles = proj.files.Items
.GroupBy(f => f.TargetPath)
.Where(g => g.Count() > 1)
.Select(g => g.Key)
.Aggregate((string)null, (s, f) => s == null ? f : (s + ", " + f));
if (dupeFiles != null)
{
return(ValidateResult.Fatal("PKG has duplicate filename(s): " + dupeFiles));
}
return(null);
}
public static List <ValidateResult> ValidateProject(Gp4Project proj, string projDir)
{
var ret = new List <ValidateResult>();
foreach (var check in commonChecks)
{
var result = check(proj, projDir);
if (result != null)
{
ret.Add(result);
}
}
// Checks with project and SFO file
if (proj.files.Items.Where(f => f.TargetPath == "sce_sys/param.sfo").FirstOrDefault() is Gp4File sfoFile &&
Path.Combine(projDir, sfoFile.OrigPath) is string sfoPath &&
File.Exists(sfoPath))
{
ParamSfo sfoObject = null;
try
{
using (var f = File.OpenRead(sfoPath))
{
sfoObject = ParamSfo.FromStream(f);
}
}
catch (Exception e)
{
ret.Add(ValidateResult.Fatal("Could not load param.sfo file: " + e.Message));
}
if (sfoObject != null)
{
foreach (var check in sfoChecks)
{
var result = check(proj, projDir, sfoObject);
if (result != null)
{
ret.Add(result);
}
}
}
}
private static ValidateResult checkPkgVolumeType(Gp4Project proj, string dir)
{
var pkgType = proj.volume.Type;
switch (pkgType)
{
case VolumeType.pkg_ps4_app:
break;
case VolumeType.pkg_ps4_ac_data:
break;
case VolumeType.pkg_ps4_ac_nodata:
break;
default:
return(ValidateResult.Fatal(
"Unsupported PKG volume type: " + pkgType));
}
return(null);
}
/// <summary>
/// Creates a new, empty GP4 project with the given VolumeType.
/// </summary>
/// <param name="type">The type of project to make</param>
/// <returns>A new blank project with defaults for the given VolumeType</returns>
public static Gp4Project Create(VolumeType type)
{
var proj = new Gp4Project
{
files = new Files(),
Format = "gp4",
RootDir = new List <Dir>(),
version = 1000,
volume = new Volume
{
volume_ts = DateTime.UtcNow.ToString("s").Replace('T', ' '),
Package = new PackageInfo
{
ContentId = "XXXXXX-CUSA00000_00-ZZZZZZZZZZZZZZZZ",
Passcode = "00000000000000000000000000000000"
}
}
};
proj.SetType(type);
return(proj);
}
/// <summary>
/// Writes the GP4 project xml to the given stream at the stream's current position.
/// </summary>
/// <param name="proj">The project to write</param>
/// <param name="s">The stream to write the project to</param>
public static void WriteTo(Gp4Project proj, System.IO.Stream s)
{
XmlSerializer mySerializer = new XmlSerializer(typeof(Gp4Project));
mySerializer.Serialize(s, proj);
}
public static void CreateProjectFromPKG(string outputDir, MemoryMappedFile pkgFile, string passcode = null)
{
Directory.CreateDirectory(outputDir);
Pkg pkg;
using (var f = pkgFile.CreateViewStream(0, 0, MemoryMappedFileAccess.Read))
pkg = new PkgReader(f).ReadPkg();
passcode = passcode ?? "00000000000000000000000000000000";
// Initialize project parameters
var project = Gp4Project.Create(ContentTypeToVolumeType(pkg.Header.content_type));
project.volume.Package.Passcode = passcode;
project.volume.Package.ContentId = pkg.Header.content_id;
project.volume.Package.AppType = project.volume.Type == VolumeType.pkg_ps4_app ? "full" : null;
project.volume.Package.StorageType = project.volume.Type == VolumeType.pkg_ps4_app ? "digital50" : null;
if (pkg.Header.content_type == ContentType.AC || pkg.Header.content_type == ContentType.AL)
{
pkg.LicenseDat.DecryptSecretWithDebugKey();
var entitlementKey = new byte[16];
Buffer.BlockCopy(pkg.LicenseDat.Secret, 0x70, entitlementKey, 0, 16);
pkg.LicenseDat.EncryptSecretWithDebugKey();
project.volume.Package.EntitlementKey = entitlementKey.ToHexCompact();
}
// Extract entry filesystem
var sys_dir = Path.Combine(outputDir, "sce_sys");
var sys_projdir = project.AddDir(null, "sce_sys");
Directory.CreateDirectory(sys_dir);
foreach (var meta in pkg.Metas.Metas)
{
// Skip entries that are auto-generated or that we don't know the filenames for
if (GeneratedEntries.Contains(meta.id))
{
continue;
}
if (!EntryNames.IdToName.ContainsKey(meta.id))
{
continue;
}
var entryName = EntryNames.IdToName[meta.id];
var filename = Path.Combine(sys_dir, entryName);
// Create directories for entries within directories
if (entryName.Contains('/'))
{
var entryDir = entryName.Substring(0, entryName.LastIndexOf('/'));
Directory.CreateDirectory(Path.Combine(sys_dir, entryDir));
Dir d = sys_projdir;
foreach (var breadcrumb in entryDir.Split('/'))
{
d = project.AddDir(d, breadcrumb);
}
}
// Add the entry to the project
project.files.Items.Add(new Gp4File()
{
OrigPath = "sce_sys/" + entryName,
TargetPath = "sce_sys/" + entryName
});
// Save to the filesystem
using (var s = pkgFile.CreateViewStream(meta.DataOffset, meta.DataSize, MemoryMappedFileAccess.Read))
using (var entryFile = File.Create(filename))
{
s.CopyTo(entryFile);
}
}
// Fixup the param.sfo
using (var f = File.Open(Path.Combine(outputDir, "sce_sys/param.sfo"), FileMode.Open))
{
var sfo = SFO.ParamSfo.FromStream(f);
var pubtoolinfo = (sfo["PUBTOOLINFO"] as SFO.Utf8Value).Value;
var c_date = "";
var c_time = "";
foreach (var info in pubtoolinfo.Split(','))
{
var info2 = info.Split('=');
switch (info2[0])
{
case "c_date":
c_date =
info2[1].Substring(0, 4) + "-" +
info2[1].Substring(4, 2) + "-" +
info2[1].Substring(6, 2);
break;
case "c_time":
c_time = " " +
info2[1].Substring(0, 2) + ":" +
info2[1].Substring(2, 2) + ":" +
info2[1].Substring(4, 2);
break;
}
}
project.volume.Package.CreationDate = c_date + c_time;
sfo["PUBTOOLVER"] = null;
sfo["PUBTOOLINFO"] = null;
sfo.Write(f);
}
// Extract files from the PFS filesystem
byte[] ekpfs;
if (pkg.CheckPasscode(passcode))
{
ekpfs = Crypto.ComputeKeys(pkg.Header.content_id, passcode, 1);
}
else
{
ekpfs = pkg.GetEkpfs();
}
using (var va = pkgFile.CreateViewAccessor((long)pkg.Header.pfs_image_offset, (long)pkg.Header.pfs_image_size, MemoryMappedFileAccess.Read))
{
var outerPfs = new PfsReader(va, pkg.Header.pfs_flags, ekpfs);
var inner = new PfsReader(new PFSCReader(outerPfs.GetFile("pfs_image.dat").GetView()));
// Convert PFS image timestamp from UNIX time and save it in the project
project.volume.TimeStamp = new DateTime(1970, 1, 1)
.AddSeconds(inner.Header.InodeBlockSig.Time1_sec);
var uroot = inner.GetURoot();
Dir dir = null;
var projectDirs = new Queue <Dir>();
var pfsDirs = new Queue <PfsReader.Dir>();
pfsDirs.Enqueue(uroot);
projectDirs.Enqueue(dir);
while (pfsDirs.Count > 0)
{
dir = projectDirs.Dequeue();
if (dir != null)
{
Directory.CreateDirectory(Path.Combine(outputDir, dir.Path));
}
foreach (var f in pfsDirs.Dequeue().children)
{
if (f is PfsReader.Dir d)
{
pfsDirs.Enqueue(d);
projectDirs.Enqueue(project.AddDir(dir, d.name));
}
else if (f is PfsReader.File file)
{
// Remove "/uroot/"
var path = file.FullName.Substring(7);
project.files.Items.Add(new Gp4File()
{
OrigPath = path,
TargetPath = path
});
file.Save(Path.Combine(outputDir, path));
}
}
}
}
// Last step: save the project file
using (var f = File.Create(Path.Combine(outputDir, "Project.gp4")))
{
Gp4Project.WriteTo(project, f);
}
}
