private UserException TryAuthenticate(string accessToken, out ClaimsIdentity identity)
{
JwtTokenPayload payload;
identity = null;
try
{
payload = _jwtDecoder.DecodeToObject <JwtTokenPayload>(accessToken, _options.JwtSecret, false);
}
catch (Exception ex)
{
_logger.Warning(ex, $"Failed to parse authentication token: {ex.Message}");
return(UserException.Create(AuthenticationError.BadToken, "Invalid authentication token."));
}
if (payload.ExpiresAt < DateTime.UtcNow)
{
return(UserException.Create(AuthenticationError.ExpiredToken, "Authentication token is expired."));
}
var parsed = Guid.TryParse(payload.Subject, out Guid userId);
if (!parsed)
{
return(UserException.Create(AuthenticationError.BadToken, "Invalid subject."));
}
var claims = new List <Claim>
{
new Claim(ClaimTypes.NameIdentifier, userId.ToString())
};
identity = new ClaimsIdentity(claims);
return(null);
}
private void EnsureTurnIsInProgress(Guid userId)
{
var state = _state.PlayerStates.GetOrCreateDefault(userId);
if (state.TurnStatus == TurnStatus.Ended)
{
throw UserException.Create(GameplayError.TurnIsAlreadyEnded, "You have already ended your turn.");
}
}
private void EnsureGameIsNotStarted()
{
if (!_state.IsGameStarted)
{
return;
}
var message = $"Game {_state.RoomId} is already in progress.";
throw UserException.Create(GameplayError.GameIsAlreadyInProgress, message);
}
public async Task <IGame> StartGame(Guid userId)
{
EnsureUserIsOnline(userId);
EnsureGameIsNotStarted();
if (_state.Players.Count < 2)
{
throw UserException.Create(
GameplayError.NotEnoughPlayers,
"At least 2 players are required to start the game.");
}
_state.IsGameStarted = true;
var game = await _gameFactory.CreateGame(userId);
return(game);
}
public static void EnsureIsValid <T>(this T value, IValidator <T> validator)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (validator == null)
{
throw new ArgumentNullException(nameof(validator));
}
var results = validator.Validate(value);
if (results.IsValid)
{
return;
}
var messages = results.Errors.Select(x => $"[{x.PropertyName}:{x.ErrorCode}] {x.ErrorMessage}");
var message = string.Join(Environment.NewLine, messages);
throw UserException.Create(ValidationError.BadInput, results.ToConreignValidationErrorDetails(), message);
}