public ActionResult <MilvanethProtocol> AuthStart(MilvanethProtocol data)
{
if (!(data?.Data is ClientChallenge challenge) || !challenge.Check())
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.DATA_INVALID_INPUT,
ReportTime = _time.SafeNow,
}
});
}
if (!_pow.Verify(challenge.ProofOfWork) && _pow.ConditionalGenerate(out var requirement))
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.RATE_POW_REQUIRED,
ProofOfWork = requirement,
ReportTime = _time.SafeNow,
}
});
}
try
{
var accountData = _context.AccountData.Include(x => x.PrivilegeLevelNavigation).SingleOrDefault(x => x.AccountName == challenge.Username);
if (accountData == null)
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.DATA_NO_SUCH_USER,
ReportTime = _time.SafeNow,
}
});
}
if (accountData.PrivilegeLevel == GlobalConfig.ACCOUNT_BLOCKED_LEVEL)
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.OP_SANCTION,
ReportTime = _time.SafeNow,
}
});
}
if (accountData.HasSuspended() && accountData.SuspendUntil >= _time.UtcNow)
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.OP_ACCOUNT_SUSPENDED,
ReportTime = _time.SafeNow,
}
});
}
if (accountData.PasswordRetry > GlobalConfig.ACCOUNT_PASSWORD_RETRY_TOLERANCE && accountData.LastRetry.HasValue &&
(_time.UtcNow - accountData.LastRetry.Value).Seconds < GlobalConfig.ACCOUNT_PASSWORD_RETRY_COOLDOWN)
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.OP_PASSWORD_RETRY_TOO_MUCH,
ReportTime = _time.SafeNow,
}
});
}
_auth.EnsureAccount(accountData, new PrivilegeConfig {
Login = true
}, GlobalOperation.AUTH_START, 0,
"Start login via auth/start", _accessor.GetIp());
var session = _srp.DoServerResponse(accountData.AccountId, accountData.GroupParam, accountData.Verifier, out var token);
_context.AccountData.Update(accountData);
_context.SaveChanges();
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
GroupParam = accountData.GroupParam,
Message = GlobalMessage.OK_SUCCESS,
ReportTime = _time.SafeNow,
Salt = accountData.Salt,
ServerToken = token,
SessionId = session
}
});
}
catch (Exception e)
{
Log.Error(e, "Error in AUTH/START");
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.OP_INVALID,
ReportTime = _time.SafeNow,
}
});
}
}
public ActionResult <MilvanethProtocol> AccountCreate(MilvanethProtocol data)
{
if (!(data?.Data is RegisterForm form) || !form.Check())
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.DATA_INVALID_INPUT,
ReportTime = _time.SafeNow,
}
});
}
if (!_pow.Verify(form.ProofOfWork))
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.RATE_POW_REQUIRED,
ProofOfWork = _pow.Generate((byte)Math.Max(GlobalConfig.POW_SENSITIVE_OPERATION, _pow.Difficulty)),
ReportTime = _time.SafeNow,
}
});
}
try
{
if (_context.AccountData.Any(x => x.AccountName == form.Username))
{
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.DATA_USERNAME_OCCUPIED,
ReportTime = _time.SafeNow,
}
});
}
//var accountData = _context.AccountData.CreateProxy();
var accountData = new AccountData();
{
accountData.AccountName = form.Username;
accountData.DisplayName = form.DisplayName;
accountData.Email = form.Email;
accountData.EmailConfirmed = false;
accountData.Salt = form.Salt;
accountData.Verifier = form.Verifier;
accountData.GroupParam = (short)form.GroupParam;
accountData.RegisterService = form.Service.ServiceId;
accountData.RelatedService = new long[] { form.Service.ServiceId };
accountData.PlayedCharacter = null;
accountData.Trace = form.Trace;
accountData.Karma = 0;
accountData.PrivilegeLevelNavigation = _userPrivilege;
accountData.SuspendUntil = null;
accountData.PasswordRetry = 0;
accountData.LastRetry = DateTime.UtcNow;
}
_context.AccountData.Add(accountData);
_context.SaveChanges();
_repo.Character.CommitRange(accountData.AccountId, form.Character.CharacterItems.Select(x => x.ToDb(accountData.RegisterService)), true);
_auth.EnsureAccount(accountData, new PrivilegeConfig {
Login = true
}, GlobalOperation.ACCOUNT_CREATE, GlobalConfig.USER_INITIAL_KARMA,
"Registered new account via account/create", _accessor.GetIp());
var session = _srp.DoServerResponse(accountData.AccountId, accountData.GroupParam, accountData.Verifier, out var token);
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
GroupParam = accountData.GroupParam,
Message = GlobalMessage.OK_SUCCESS,
ReportTime = _time.SafeNow,
Salt = accountData.Salt,
ServerToken = token,
SessionId = session
}
});
}
catch (Exception e)
{
Log.Error(e, "Error in ACCOUNT/CREATE");
return(new MilvanethProtocol
{
Context = null,
Data = new ServerChallenge
{
Message = GlobalMessage.OP_INVALID,
ReportTime = _time.SafeNow,
}
});
}
}