private void ReopenFileView()
{
if (!pkg.CheckEkpfs(ekpfs))
{
return;
}
if (va != null)
{
return;
}
try
{
va = pkgFile.CreateViewAccessor((long)pkg.Header.pfs_image_offset, (long)pkg.Header.pfs_image_size);
var outerPfs = new PfsReader(va, pkg.Header.pfs_flags, ekpfs);
var inner = new PfsReader(new PFSCReader(outerPfs.GetFile("pfs_image.dat").GetView()));
var view = new FileView(inner);
view.Dock = DockStyle.Fill;
filesTab.Controls.Clear();
filesTab.Controls.Add(view);
}
catch (Exception)
{
va?.Dispose();
va = null;
}
}
private static void ExtractInParallel(PfsReader inner, string outPath, bool verbose)
{
Console.WriteLine("Extracting in parallel...");
Parallel.ForEach(
inner.GetAllFiles(),
() => new byte[0x10000],
(f, _, buf) =>
{
var size = f.size;
var pos = 0;
var view = f.GetView();
var fullName = f.FullName;
var path = Path.Combine(outPath, fullName.Replace('/', Path.DirectorySeparatorChar).Substring(1));
var dir = path.Substring(0, path.LastIndexOf(Path.DirectorySeparatorChar));
if (verbose)
{
Console.WriteLine($"{fullName} -> {path}");
}
Directory.CreateDirectory(dir);
using (var file = File.OpenWrite(path))
{
file.SetLength(size);
while (size > 0)
{
var toRead = (int)Math.Min(size, buf.Length);
view.Read(pos, buf, 0, toRead);
file.Write(buf, 0, toRead);
pos += toRead;
size -= toRead;
}
}
return(buf);
},
x => { });
}
public void AddRoot(PfsReader p, string name)
{
var superroot = p.GetSuperRoot();
var root = new TreeNode(name)
{
Tag = superroot
};
directoryTreeView.Nodes.Add(root);
root.Nodes.Add("Loading", "Loading...", 0);
ExpandNode(root);
directoryTreeView.SelectedNode = root.Nodes[0];
}
public static void OpenPkgFilesystem(System.IO.Stream pkgStream, Action <PfsReader> innerPfsAction)
{
Pkg pkg;
pkg = new PkgReader(pkgStream).ReadPkg();
var ekpfs = LibOrbisPkg.Util.Crypto.ComputeKeys(pkg.Header.content_id, "00000000000000000000000000000000", 1);
var outerPfsOffset = (long)pkg.Header.pfs_image_offset;
using (var acc = new LibOrbisPkg.Util.StreamReader(pkgStream, outerPfsOffset))
{
var outerPfs = new PfsReader(acc, pkg.Header.pfs_flags, ekpfs);
var inner = new PfsReader(new PFSCReader(outerPfs.GetFile("pfs_image.dat").GetView()));
// Check that the sce_sys directory exists
innerPfsAction(inner);
}
}
public PFSView(string filename)
{
InitializeComponent();
pfsFile = MemoryMappedFile.CreateFromFile(filename, System.IO.FileMode.Open, "pfsFile" + idx++, 0, MemoryMappedFileAccess.Read);
va = pfsFile.CreateViewAccessor(0, 0, MemoryMappedFileAccess.Read);
va.Read(0, out int val);
if (val == PFSCReader.Magic)
{
reader = new PfsReader(new PFSCReader(va));
}
else
{
reader = new PfsReader(va);
}
fileView1.AddRoot(reader, filename);
}
// Helper for checking the internal files of a PKG
private static void OpenPkgFilesystem(string pkgPath, Action <PfsReader> innerPfsAction)
{
Pkg pkg;
using (var mmf = MemoryMappedFile.CreateFromFile(pkgPath))
{
using (var s = mmf.CreateViewStream())
{
pkg = new PkgReader(s).ReadPkg();
}
var ekpfs = LibOrbisPkg.Util.Crypto.ComputeKeys(pkg.Header.content_id, "00000000000000000000000000000000", 1);
var outerPfsOffset = (long)pkg.Header.pfs_image_offset;
using (var acc = mmf.CreateViewAccessor(outerPfsOffset, (long)pkg.Header.pfs_image_size))
{
var outerPfs = new PfsReader(acc, ekpfs);
var inner = new PfsReader(new PFSCReader(outerPfs.GetFile("pfs_image.dat").GetView()));
// Check that the sce_sys directory exists
innerPfsAction(inner);
}
}
}
public void TestTweakDataKeys()
{
var pfsProperties = new PfsProperties
{
BlockSize = 0x10000,
EKPFS = new byte[32],
Encrypt = true,
FileTime = 1,
root = TestHelper.MakeRoot(),
Seed = new byte[16],
Sign = true,
};
using (var pfsImg = new MemoryStream())
{
new PfsBuilder(pfsProperties).WriteImage(pfsImg);
var streamReader = new LibOrbisPkg.Util.StreamReader(pfsImg);
var reader1 = new PfsReader(streamReader, 0, ekpfs: new byte[32]);
var(tweak, data) = Crypto.PfsGenEncKey(new byte[32], new byte[16]);
var reader2 = new PfsReader(streamReader, 0, data: data, tweak: tweak);
}
}
public PFSView(string filename)
{
InitializeComponent();
pfsFile = MemoryMappedFile.CreateFromFile(filename, System.IO.FileMode.Open, mapName: null, 0, MemoryMappedFileAccess.Read);
va = pfsFile.CreateViewAccessor(0, 0, MemoryMappedFileAccess.Read);
va.Read(0, out int val);
if (val == PFSCReader.Magic)
{
reader = new PfsReader(new PFSCReader(va));
}
else
{
PfsHeader header;
using (var h = pfsFile.CreateViewStream(0, 0x600, MemoryMappedFileAccess.Read))
{
header = PfsHeader.ReadFromStream(h);
}
byte[] tweak = null, data = null;
if (header.Mode.HasFlag(PfsMode.Encrypted))
{
var passcode = new PasscodeEntry("Please enter data key", 32);
passcode.Text = "PFS is encrypted";
passcode.ShowDialog();
data = passcode.Passcode.FromHexCompact();
passcode = new PasscodeEntry("Please enter tweak key", 32);
passcode.Text = "PFS is encrypted";
passcode.ShowDialog();
data = passcode.Passcode.FromHexCompact();
reader = new PfsReader(va, data: data, tweak: tweak);
}
else
{
reader = new PfsReader(va);
}
}
fileView1.AddRoot(reader, filename);
}
public FileView(PfsReader p = null)
{
reader = p;
InitializeComponent();
InitializeTree();
}
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);
}
}
