hermes-client/OBS/Socket/Handlers/HelloHandler.cs

58 lines
2.0 KiB
C#

using System.Security.Cryptography;
using System.Text;
using CommonSocketLibrary.Abstract;
using CommonSocketLibrary.Common;
using Serilog;
using TwitchChatTTS.OBS.Socket.Data;
using TwitchChatTTS.OBS.Socket.Context;
namespace TwitchChatTTS.OBS.Socket.Handlers
{
public class HelloHandler : IWebSocketHandler
{
private readonly HelloContext _context;
private readonly ILogger _logger;
public int OperationCode { get; } = 0;
public HelloHandler(HelloContext context, ILogger logger)
{
_context = context;
_logger = logger;
}
public async Task Execute<Data>(SocketClient<WebSocketMessage> sender, Data data)
{
if (data is not HelloMessage message || message == null)
return;
_logger.Verbose("OBS websocket password: " + _context.Password);
if (message.Authentication == null || string.IsNullOrWhiteSpace(_context.Password))
{
await sender.Send(1, new IdentifyMessage(message.RpcVersion, string.Empty, 1023 | 262144));
return;
}
var salt = message.Authentication.Salt;
var challenge = message.Authentication.Challenge;
_logger.Verbose("Salt: " + salt);
_logger.Verbose("Challenge: " + challenge);
string secret = _context.Password + salt;
byte[] bytes = Encoding.UTF8.GetBytes(secret);
string hash = null;
using (var sha = SHA256.Create())
{
bytes = sha.ComputeHash(bytes);
hash = Convert.ToBase64String(bytes);
secret = hash + challenge;
bytes = Encoding.UTF8.GetBytes(secret);
bytes = sha.ComputeHash(bytes);
hash = Convert.ToBase64String(bytes);
}
_logger.Verbose("Final hash: " + hash);
await sender.Send(1, new IdentifyMessage(message.RpcVersion, hash, 1023 | 262144));
}
}
}