/// <summary>
/// 处理filecheck
/// </summary>
/// <param name="package"></param>
/// <param name="write"></param>
/// <returns></returns>
private bool FileCheckHandle(PackagePlugin package, BinaryWriter toClientWriter, BinaryWriter toServerWriter)
{
// 如果本地文件存在, 就发送本地文件
if (LocalData != null)
{
List <byte> unzipedBytes = new List <byte>();
// 添加salt和hash列表
unzipedBytes.Add(salt);
unzipedBytes.AddRange(LocalData.FileHashBytes);
byte[] zipedData = GzipUtil.Compress(unzipedBytes.ToArray());
List <byte> buffers = new List <byte>();
//type
buffers.Add((byte)CatAntiCheatMessageType.CTSFileHash);
//gzip数据长度
buffers.AddRange(BitConverter.GetBytes((short)zipedData.Length).Reverse());
//zip数据
buffers.AddRange(zipedData);
//sign
buffers.AddRange(BitConverter.GetBytes((int)hashCode(zipedData)).Reverse());
Console.WriteLine($"[CatAntiCheat]收到服务端FileCheck请求, 直接返回本地{fileName}中的数据!");
PackagePlugin fakerPackage = new PackagePlugin(CTSPluginPackageId, package.ChannelName, buffers.ToArray(), Global.IsVersion1_12_2);
toServerWriter.Write(fakerPackage.OriginData);
return(true);
}
return(false);
}
private byte[] ConvertRequestMessage(byte[] rawData)
{
byte[] fastinfosetData = null;
byte[] compressedData = null;
//Fast Info Set
if (isFastinfoset)
{
string message = Encoding.UTF8.GetString(rawData);
fastinfosetData = FastinfosetUtil.GenerateFastInfoSet(message);
}
else
{
fastinfosetData = rawData;
}
//Gzip Compress
if (isGzip)
{
compressedData = GzipUtil.Compress(fastinfosetData);
}
else
{
compressedData = fastinfosetData;
}
return(compressedData);
}
/// <summary>
///
/// </summary>
/// <param name="message"></param>
public void Send(string message)
{
byte[] rawData = Encoding.UTF8.GetBytes(message);
byte[] fastinfosetData = null;
byte[] compressedData = null;
//Fast Info Set
if (httpRequest.CommonHeaders.Keys.Contains("Content-Type") &&
httpRequest.CommonHeaders["Content-Type"].Contains("application/fastinfoset"))
{
fastinfosetData = FastinfosetUtil.GenerateFastInfoSet(message);
}
else
{
fastinfosetData = rawData;
}
//Gzip Compress
if (httpRequest.CommonHeaders.Keys.Contains("Accept-Encoding") &&
httpRequest.CommonHeaders["Accept-Encoding"].Equals("gzip"))
{
compressedData = GzipUtil.Compress(fastinfosetData);
}
else
{
compressedData = fastinfosetData;
}
httpRequest.CommonHeaders["Content-Length"] = compressedData.Length.ToString();
httpRequest.CommonHeaders["Pragma"] = "requestnum=\"" + requestSeq + "\"";
requestSeq++;
//Conbine the Header and message body
byte[] headerData = Encoding.UTF8.GetBytes(httpRequest.GetHeaderString());
Collection <byte> totalData = new Collection <byte>();
for (int i = 0; i < headerData.Length; i++)
{
totalData.Add(headerData[i]);
}
for (int i = 0; i < compressedData.Length; i++)
{
totalData.Add(compressedData[i]);
}
byte[] totalBytes = totalData.ToArray();
Stream requestStream = httpRequest.GetRequestStream(new IPEndPoint(Dns.GetHostEntry(hostAddress).AddressList[0], port));
requestStream.Write(totalBytes, 0, totalBytes.Length);
}
/// <summary>
/// 服务端发送截图
/// </summary>
/// <param name="package"></param>
/// <param name="toClientWriter"></param>
/// <param name="toServerWriter"></param>
/// <returns></returns>
private bool ScreenShotHandle(PackagePlugin package, BinaryWriter toClientWriter, BinaryWriter toServerWriter)
{
if (!File.Exists("screen.png"))
{
Console.WriteLine($"[CatAntiCheat]收到服务端截图请求, screen.png不存在, 不返回任何内容 , 建议你立即换号");
return(true);
}
byte[] bytes = File.ReadAllBytes("screen.png");
using (MemoryStream ms = new MemoryStream(GzipUtil.Compress(bytes)))
{
using (BinaryReader br = new BinaryReader(ms))
{
while (true)
{
List <byte> data = new List <byte>();
byte[] bs = br.ReadBytes(32763);
bool end = bs.Length != 32763;
data.Add((byte)CatAntiCheatMessageType.CTSImageData);
data.Add(end ? (byte)1 : (byte)0);
data.AddRange(bs);
PackagePlugin fake = new PackagePlugin(CTSPluginPackageId, package.ChannelName, data.ToArray(), Global.IsVersion1_12_2);
toServerWriter.Write(fake.OriginData);
if (end)
{
break;
}
}
Console.WriteLine($"[CatAntiCheat]收到服务端截图请求, 返回screen.png");
}
}
return(true);
}