private void ReadEntries()
{
_entryTable = new PakEntryTable();
using (var reader = new BinaryReader(_stream, Encoding.UTF8, true))
{
_stream.Seek(_indexOffset, SeekOrigin.Begin);
MountPoint = reader.ReadFString();
int fileCount = reader.ReadInt32();
for (int i = 0; i < fileCount; i++)
{
string fileName = reader.ReadFString();
long metadataOffset = _stream.Position;
PakEntryMetadata metadata = ReadEntryMetadata(reader);
metadata.MetadataOffset = metadataOffset;
metadata.FileName = fileName;
_entryTable.Add(metadata);
}
}
}
private void ReadEntries(string encryptionKey)
{
if (!IsIndexEncrypted)
{
ReadEntries();
return;
}
_entryTable = new PakEntryTable();
byte[] indexBlock = DecryptIndexBlock(encryptionKey);
using (var reader = new BinaryReader(new MemoryStream(indexBlock)))
{
try
{
MountPoint = reader.ReadFString();
int fileCount = reader.ReadInt32();
for (int i = 0; i < fileCount; i++)
{
string fileName = reader.ReadFString();
long metadataOffset = reader.BaseStream.Position;
PakEntryMetadata metadata = ReadEntryMetadata(reader);
metadata.MetadataOffset = metadataOffset + _indexOffset;
metadata.FileName = fileName;
_entryTable.Add(metadata);
}
}
catch (ArgumentOutOfRangeException) // reader.ReadFString will throw this if MountPoint cannot be read
{
_entryTable = null;
throw new IncorrectEncryptionKeyException();
}
}
}