public async Task <IActionResult> IndexPost([FromHeader(Name = "osu-token")] string clientToken = null)
{
try
{
Response.Headers["cho-protocol"] = "19";
Response.Headers["Connection"] = "keep-alive";
Response.Headers["Keep-Alive"] = "timeout=60, max=100";
Response.Headers["cho-server"] = "Sora (https://github.com/Mempler/Sora)";
Response.StatusCode = 200;
await using var body = new MemoryStream();
await Request.Body.CopyToAsync(body);
body.Position = 0;
await using var mw = MStreamWriter.New();
using var mr = new MStreamReader(body);
var pr = new Presence();
if (string.IsNullOrEmpty(clientToken))
{
Response.Headers["cho-token"] = pr.Token.ToString();
string ip = Request.Headers["X-Real-IP"];
if (string.IsNullOrEmpty(ip))
{
ip = "127.0.0.1";
}
await _evManager.RunEvent(EventType.BanchoLoginRequest, new BanchoLoginRequestArgs
{
Reader = mr,
Writer = mw,
Pr = pr,
IpAddress = ip,
});
mw.Flush();
return(await RetOut(mw.BaseStream));
}
if (_presenceService.TryGet(new Token(clientToken.Trim()), out pr))
{
while (true)
{
try
{
pr["LAST_PONG"] = DateTime.Now;
if (Request.ContentLength - body.Position < 7)
{
break; // Dont handle any invalid packets! (less then bytelength of 7)
}
var packetId = (PacketId)mr.ReadInt16();
mr.ReadBoolean();
var packetData = mr.ReadBytes();
await using var packetDataStream = new MemoryStream(packetData);
using var packetDataReader = new MStreamReader(packetDataStream);
await _evManager.RunEvent(
EventType.BanchoPacket,
new BanchoPacketArgs { Pr = pr, PacketId = packetId, Data = packetDataReader }
);
}
catch (Exception ex)
{
Logger.Err(ex);
break;
}
}
try
{
await using var m = new MemoryStream();
if (Response.Body.CanWrite)
{
pr.WritePackets(m);
}
return(await RetOut(m));
}
catch (Exception ex)
{
Logger.Err(ex);
// Ignored because it may throw an exception.
}
}
else
{
return(StatusCode(403));
}
}
catch (Exception ex)
{
Logger.Err(ex);
}
return(Ok());
}
private void Exception(MStreamWriter dataWriter)
{
dataWriter.Write(new LoginResponse(LoginResponses.Exception));
}
private void Success(MStreamWriter dataWriter, int userid)
{
dataWriter.Write(new LoginResponse((LoginResponses)userid));
}
private void LoginFailed(MStreamWriter dataWriter)
{
dataWriter.Write(new LoginResponse(LoginResponses.Failed));
}
