public SpanBuffer <byte> ToPacketBinary()
{
WpcItemList list = new WpcItemList();
var packData = this.Pack.WriteToBuf().ByteData;
list.Add("PACK", packData);
var hashData = Secure.HashSHA1(packData);
list.Add("HASH", hashData);
if (this.HostKey._IsFilled() && this.HostSecret2._IsFilled())
{
var hostKeyData = this.HostKey._GetHexBytes();
var hostSecret2Data = this.HostSecret2._GetHexBytes();
if (hostKeyData.Length != 20)
{
throw new CoresLibException("hostKeyData.Length != 20");
}
if (hostSecret2Data.Length != 20)
{
throw new CoresLibException("hostSecret2Data.Length != 20");
}
list.Add("HOST", hostKeyData);
list.Add("HOST", hostSecret2Data);
}
return(list.ToPacketBinary());
}
public static WpcItemList Parse(ref ReadOnlySpanBuffer <byte> buf)
{
WpcItemList ret = new WpcItemList();
while (true)
{
if (WpcItem.Parse(ref buf, out string name, out ReadOnlyMemory <byte> data) == false)
{
break;
}
ret.Add(name, data);
}
return(ret);
}
public static WpcPack Parse(string recvStr, bool requireKeyAndSecret)
{
WpcItemList items = WpcItemList.Parse(recvStr);
var packItem = items.Find("PACK");
var hashItem = items.Find("HASH");
var hostKeyItem = items.Find("HOST", 0);
var hostSecret2Item = items.Find("HOST", 1);
if (packItem == null || hashItem == null)
{
throw new CoresLibException("packItem == null || hashItem == null");
}
var hash = Secure.HashSHA1(packItem.Data.Span).AsSpan();
if (hash._MemEquals(hashItem.Data.Span) == false)
{
throw new CoresLibException("Different hash");
}
Buf buf = new Buf(packItem.Data.ToArray());
var pack = Pack.CreateFromBuf(buf);
string hostKey = "";
string hostSecret2 = "";
if (requireKeyAndSecret)
{
if (hostKeyItem == null || hostKeyItem.Data.Length != 20)
{
throw new CoresLibException("hostKeyItem == null || hostKeyItem.Data.Length != 20");
}
if (hostSecret2Item == null || hostSecret2Item.Data.Length != 20)
{
throw new CoresLibException("hostSecret2Item == null || hostSecret2Item.Data.Length != 20");
}
}
hostKey = hostKeyItem?.Data._GetHexString() ?? "";
hostSecret2 = hostSecret2Item?.Data._GetHexString() ?? "";
return(new WpcPack(pack, hostKey, hostSecret2));
}
