private bool ReadEntry(FileStream stream)
{
var file = PboUtilities.ReadStringArray(stream);
var filename = Encoding.UTF8.GetString(file).Replace("\t","\\t");
var packing = PboUtilities.ReadLong(stream);
var size = PboUtilities.ReadLong(stream);
var unknown = PboUtilities.ReadLong(stream);
var timestamp = PboUtilities.ReadLong(stream);
var datasize = PboUtilities.ReadLong(stream);
var entry = new FileEntry(this, filename, packing, size, timestamp, datasize, file, unknown);
if (entry.FileName == "")
{
entry.OrgName = new byte[0];
return false;
}
Files.Add(entry);
return true;
}
private Stream GetFileStream(FileEntry fileEntry)
{
if (_stream != null)
{
_stream.Position = (long)GetFileStreamPos(fileEntry);
return _stream;
}
var mem = File.OpenRead(PboPath);
mem.Position = (long)GetFileStreamPos(fileEntry);
return mem;
}
private ulong GetFileStreamPos(FileEntry fileEntry)
{
var start = (ulong)DataStart;
return Files.TakeWhile(entry => entry != fileEntry).Aggregate(start, (current, entry) => current + entry.DataSize);
}
// returns a stream
/// <summary>
/// Returns a filestream to the ENTIRE pbo set at the file entry pos.
/// </summary>
/// <param name="fileEntry"></param>
/// <returns></returns>
public Stream Extract(FileEntry fileEntry)
{
return GetFileStream(fileEntry);
}
private static void WriteFileEntry(FileStream stream, FileEntry entry)
{
if (entry.OrgName != null)
PboUtilities.WriteASIIZ(stream, entry.OrgName);
else
PboUtilities.WriteString(stream, entry.FileName);
long packing = 0x0;
switch (entry.PackingMethod)
{
case PackingType.Packed:
packing = 0x43707273;
break;
}
PboUtilities.WriteLong(stream, packing);
PboUtilities.WriteLong(stream, (long)entry.OriginalSize);
PboUtilities.WriteLong(stream, 0x0); // reserved
PboUtilities.WriteLong(stream, (long)entry.TimeStamp);
PboUtilities.WriteLong(stream, (long)entry.DataSize);
}
private bool ReadEntry(FileStream stream)
{
var filename = PboUtilities.ReadString(stream);
var packing = PboUtilities.ReadLong(stream);
var size = PboUtilities.ReadLong(stream);
var unknown = PboUtilities.ReadLong(stream);
var timestamp = PboUtilities.ReadLong(stream);
var datasize = PboUtilities.ReadLong(stream);
var entry = new FileEntry(this, filename, packing, size, timestamp, datasize, unknown);
if (entry.FileName == "") return false;
Files.Add(entry);
return true;
}
public Boolean Extract(FileEntry fileEntry, string outpath)
{
if(String.IsNullOrEmpty(outpath))
throw new NullReferenceException("Is null or empty");
Stream mem = GetFileStream(fileEntry);
if (mem == null)
throw new Exception("WTF no stream");
if (!Directory.Exists(Path.GetDirectoryName(outpath)))
Directory.CreateDirectory(Path.GetDirectoryName(outpath));
var totalread = fileEntry.DataSize;
using (var outfile = File.OpenWrite(outpath))
{
var buffer = new byte[2949120];
while (totalread > 0)
{
var read = mem.Read(buffer, 0, (int)Math.Min(2949120, totalread));
outfile.Write(buffer, 0, read);
totalread -= (ulong)read;
}
}
mem.Close();
return true;
}
private long GetFileMemPos(FileEntry fileEntry)
{
ulong start = Files.TakeWhile(entry => entry != fileEntry).Aggregate<FileEntry, ulong>(0, (current, entry) => current + entry.DataSize);
return (long)start;
}
private Stream GetFileStream(FileEntry fileEntry)
{
Stream mem;
if (_memory != null)
mem = ExtractMemory(fileEntry);
else
{
mem = File.OpenRead(PboPath);
mem.Position = (long)GetFileStreamPos(fileEntry);
}
return mem;
}
// returns a stream
public Stream Extract(FileEntry fileEntry)
{
var stream = GetFileStream(fileEntry);
if (stream is MemoryStream)
return stream;
using (stream)
{
var mem = new MemoryStream((int)fileEntry.DataSize);
var buffer = new byte[fileEntry.DataSize];
stream.Read(buffer, 0, buffer.Length);
mem.Write(buffer, 0, buffer.Length);
mem.Position = 0;
return mem;
}
}
private Stream ExtractMemory(FileEntry fileEntry)
{
var buffer = new byte[fileEntry.DataSize];
_memory.Position = GetFileMemPos(fileEntry);
_memory.Read(buffer, 0, buffer.Length);
_memory.Position = 0;
return new MemoryStream(buffer);
}
public Boolean Extract(FileEntry fileEntry, string outpath)
{
if(String.IsNullOrEmpty(outpath))
throw new NullReferenceException("Is null or empty");
Stream mem = GetFileStream(fileEntry);
if (mem == null)
throw new Exception("WTF no stream");
if (!Directory.Exists(Path.GetDirectoryName(outpath)))
Directory.CreateDirectory(Path.GetDirectoryName(outpath));
using (var write = File.Create(outpath))
{
var buffer = new byte[fileEntry.DataSize];
mem.Read(buffer, 0, buffer.Length);
write.Write(buffer, 0, buffer.Length);
}
mem.Close();
return true;
}
private ulong GetFileStreamPos(FileEntry fileEntry)
{
ulong start = (ulong) _dataStart;
foreach (var entry in Files)
{
if (entry == fileEntry)
break;
start += entry.DataSize;
}
return start;
}
private long GetFileMemPos(FileEntry fileEntry)
{
ulong start = 0;
foreach (var entry in Files)
{
if (entry == fileEntry)
break;
start += entry.DataSize;
}
return (long) start;
}
public Boolean Extract(FileEntry fileEntry, string outpath)
{
Stream mem = GetFileStream(fileEntry);
if(mem == null)
throw new Exception("WTF no stream");
try
{
try
{
using (var write = File.Create(outpath))
{
var buffer = new byte[fileEntry.DataSize];
mem.Read(buffer, 0, buffer.Length);
write.Write(buffer, 0, buffer.Length);
}
}
catch (Exception)
{
throw;
}
}
catch (Exception)
{
throw;
}
mem.Close();
return true;
}
public static Boolean Create(string directoryPath,string outpath, ProductEntry productEntry)
{
var files = Directory.GetFiles(directoryPath, "*", SearchOption.AllDirectories);
var entries = new List<FileEntry>();
foreach (var file in files)
{
var info = new FileInfo(file);
var path = PboUtilities.GetRelativePath(info.FullName, directoryPath);
var entry = new FileEntry(path, 0x0, 0x0,
(ulong) (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds, (ulong) info.Length);
entries.Add(entry);
}
try
{
using (var stream = File.Create(outpath))
{
stream.WriteByte(0x0);
WriteProductEntry(productEntry, stream);
stream.WriteByte(0x0);
entries.Add(new FileEntry(null, "", 0, 0, 0, 0, 0));
foreach (var entry in entries)
{
WriteFileEntry(stream, entry);
}
entries.Remove(entries.Last());
foreach (var entry in entries)
{
var buffer = new byte[1024];
using (var open = File.OpenRead(Path.Combine(directoryPath,entry.FileName)))
{
var read = 4324324;
while (read > 0)
{
read = open.Read(buffer, 0, buffer.Length);
stream.Write(buffer, 0, read);
}
}
}
stream.Position = 0;
byte[] hash;
using (var sha1 = new SHA1Managed())
{
hash = sha1.ComputeHash(stream);
};
stream.WriteByte(0x0);
stream.Write(hash,0,20);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return false;
}
return true;
}
