public MobiHeader(byte[] header) : base("Mobi Header", header)
{
string mobi = Encoding.ASCII.GetString(header, 16, 4);
records = Util.GetUInt16(header, 8);
compression = Util.GetUInt16(header, 0);
if (compression == 0x4448)
{
huffman_start_index = Util.GetUInt32(header, 0x70);
huffman_count = Util.GetUInt32(header, 0x74);
}
length = Util.GetUInt32(header, 20);
mobi_type = Util.GetUInt32(header, 24);
codepage = Util.GetUInt32(header, 28);
unique_id = Util.GetUInt32(header, 32);
version = Util.GetUInt32(header, 36);
title = Encoding.UTF8.GetString(
header,
(int)Util.GetUInt32(header, 0x54),
(int)Util.GetUInt32(header, 0x58)
);
exth_flag = Util.GetUInt32(header, 0x80);
if ((exth_flag & 0x40) > 0)
{
byte[] exth = Util.SubArray(header, length + 16,
Util.GetUInt32(header, length + 20));
extMeta = new ExtMeta(exth);
}
crypto_type = Util.GetUInt16(header, 0xc); if (crypto_type != 0)
{
throw new UnpackKindleSException("Unable to handle an encrypted file. Crypto Type:" + crypto_type);
}
first_res_index = Util.GetUInt32(header, 0x6c);
first_nontext_index = Util.GetUInt32(header, 0x50);
ncx_index = Util.GetUInt32(header, 0xf4);
skel_index = Util.GetUInt32(header, 0xfc);
frag_index = Util.GetUInt32(header, 0xf8);
guide_index = Util.GetUInt32(header, 0x104);
fdst_start_index = Util.GetUInt32(header, 0xc0);
fdst_count = Util.GetUInt32(header, 0xc4);
mobi_length = Util.GetUInt32(header, 0x14);
mobi_version = Util.GetUInt32(header, 0x68);
mobi_flags = Util.GetUInt16(header, 0xf2);
}
public Azw6Header(byte[] header_raw) : base("Azw6 Header", header_raw)
{
int header_size = Marshal.SizeOf(typeof(Azw6HeaderInfo));
// Byte[] header_raw = Util.SubArray(azw6_data, section_info[0].start_addr, (ulong)header_size);
info = Util.GetStructBE <Azw6HeaderInfo>(header_raw, 0);
Array.Reverse(info.magic);
if (info.codepage != 65001)
{
return;
}
Byte[] title_raw = Util.SubArray(header_raw, info.title_offset, info.title_length);
title = Encoding.UTF8.GetString(title_raw);
//Log.log("Azw6 File Title:" + title);
Byte[] ext = Util.SubArray(header_raw,
48,
header_raw.Length - 48
);
meta = new ExtMeta(ext);
}
