/// <summary>
/// 从nbt数据中获取salt
/// </summary>
/// <param name="data"></param>
/// <param name="is112">是否是1.12版本, 如果是, 那么只需要处理一位数字</param>
/// <returns></returns>
public static string GetSaltFromNBTByteArray(byte[] data, bool is112)
{
MemoryStream ms = new MemoryStream(removeLength(data, is112));
TagCompound tag = NBTFile.FromStream(ms);
byte[] saltarr = tag.GetByteArray("salt");
string salt = System.Text.Encoding.UTF8.GetString(saltarr);
if (saltarr.Length > 100)
{
salt = ASACUtil.RSADecodeSalt(saltarr);
}
return(salt);
}
/// <summary>
/// 判断是否需要rsa加密
/// 只有1.0.6及以下需要
/// </summary>
/// <param name="md5Data"></param>
/// <returns></returns>
public static bool IsNeedRSA(byte[] md5Data, bool is112)
{
bool isRsa = false;
MemoryStream ms = new MemoryStream(removeLength(md5Data, is112));
TagCompound tag = NBTFile.FromStream(ms);
TagList taglist = (TagList)tag["md5s"];
foreach (TagByteArray br in taglist)
{
byte[] bytes = br.Value;
if (bytes.Length > 100)
{
isRsa = true;
break;
}
}
return(isRsa);
}
private AnvilChunk LoadChunk(ChunkCoord coord)
{
RegionFile f = FetchRegion(coord.RegionCoord);
TagCompound chunkTag = null;
using (Stream stream = f.ReadChunk(new ChunkCoord(coord.X & 31, coord.Z & 31)))
{
if (stream != null)
{
chunkTag = NBTFile.FromStream(stream, false);
}
}
if (chunkTag == null)
{
return(null);
}
return(AnvilChunkImproved.Load(this, chunkTag));
}
/// <summary>
/// 从nbt数据中心获取md5字符串列表
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static List <string> GetMd5ListFromNBTByteArray(byte[] data, bool is112)
{
List <string> md5s = new List <string>();
MemoryStream ms = new MemoryStream(removeLength(data, is112));
TagCompound tag = NBTFile.FromStream(ms);
TagList taglist = (TagList)tag["md5s"];
foreach (TagByteArray br in taglist)
{
byte[] bytes = br.Value;
if (bytes.Length > 100)
{
string md5 = ASACUtil.RSADecodeMD5(bytes);
md5s.Add(md5);
}
else
{
md5s.Add(Encoding.UTF8.GetString(bytes));
}
}
return(md5s);
}
