private async Task<bool> AddNewUser(IEnumerable<string> userData)
{
var IPs = new List<string>();
IPs.Add(IP);
UserNicknameAndPasswordAndIPs userNicknameAndPassword = new UserNicknameAndPasswordAndIPs(userData.First(), userData.Last(), IPs);
var result = await FileMaster.UpdateFile<UserNicknameAndPasswordAndIPs>(FilePath, oldData =>
{
if (oldData == null)
{
oldData = new List<UserNicknameAndPasswordAndIPs>();
}
else
{
if (!LastCheck(oldData, userNicknameAndPassword.Nickname))
{
return (oldData, false);
}
}
oldData.Add(userNicknameAndPassword);
return (oldData, true);
});
if (result)
{
await communication.SendMessage("You enter to messenger");
FileMaster.CreateDirectory(Path.Combine(messenger.Server.UsersPath, userNicknameAndPassword.Nickname));
nickname = userNicknameAndPassword.Nickname;
}
else
{
await communication.SendMessage("This nickname is currently in use, bye");
}
return result;
}
private async Task<bool> CheckPasswordCondition(UserNicknameAndPasswordAndIPs userNicknameAndPassword, bool checkHavingPassword, string password, int i)
{
if (password.Length < 8)
{
if (i == 1)
{
await communication.SendMessage("Number of attempts 0, so bye");
}
else
{
await communication.SendMessage($"Password length < 8, enter another password, a number of attempts left = {i - 1}");
}
return false;
}
if (checkHavingPassword)
{
if (password != userNicknameAndPassword.Password)
{
if (i == 1)
{
await communication.SendMessage($"Number of attempts 0, so bye");
}
else
{
await communication.SendMessage($"Wrong password, a number of attempts left = {i - 1}");
}
return false;
}
}
return true;
}
private async Task <(bool, UserNicknameAndPasswordAndIPs)> RemoveUser(string nickname)
{
var user = new UserNicknameAndPasswordAndIPs();
return(await FileMaster.UpdateFile <UserNicknameAndPasswordAndIPs>
(Path.Combine(messenger.Server.NicknamesAndPasswordsPath, "users.json"), users =>
{
if (users == null)
{
return (users, false);
}
var findUser = false;
foreach (var oneUser in users)
{
if (nickname == oneUser.Nickname)
{
findUser = true;
user = oneUser;
break;
}
}
if (findUser)
{
users.Remove(user);
return (users, true);
}
return (users, false);
}), user);
}
private async Task <bool> CheckBans(UserNicknameAndPasswordAndIPs user)
{
var banUsers = await FileMaster.ReadAndDeserialize <string>(Path.Combine(messenger.Server.BansPath, "nicknamesBun.json"));
if (banUsers == null)
{
return(false);
}
return(banUsers.Contains(user.Nickname));
}
private async Task<string> CheckPassword(UserNicknameAndPasswordAndIPs userNicknameAndPassword, bool checkHavingPassword)
{
await communication.SendMessage("Enter password bigger than 7 symbols");
for (int i = 5; i > 0; i--)
{
var password = await communication.ListenClient();
if (await CheckPasswordCondition(userNicknameAndPassword, checkHavingPassword, password, i))
{
return password;
}
}
return "";
}
private async Task AddIP(UserNicknameAndPasswordAndIPs userNicknameAndPasswordAndIPs)
{
if (!userNicknameAndPasswordAndIPs.IPs.Contains(IP))
{
await FileMaster.UpdateFile<UserNicknameAndPasswordAndIPs>(FilePath, users =>
{
var userWithNewIP = users
.Where(acc => acc.Nickname == userNicknameAndPasswordAndIPs.Nickname && acc.Password == userNicknameAndPasswordAndIPs.Password)
.First();
users.Remove(userWithNewIP);
userWithNewIP.IPs.Add(IP);
users.Add(userWithNewIP);
return (users, true);
});
}
}
private async void BanOnNickname(UserNicknameAndPasswordAndIPs user)
{
await FileMaster.UpdateFile(Path.Combine(messenger.Server.BansPath, "nicknamesBun.json"), FileMaster.AddData(user.Nickname));
lock (messenger.OnlineLock)
{
foreach (var userOnline in messenger.online)
{
if (userOnline.Nickname == user.Nickname)
{
userOnline.communication.EndTask = true;
break;
}
}
}
await userDeleter.Run(user.Nickname, true);
}
private async void BanOnIP(UserNicknameAndPasswordAndIPs user)
{
BanOnNickname(user);
await FileMaster.UpdateFile(Path.Combine(messenger.Server.BansPath, "IPsBun.json"), FileMaster.AddSomeData(user.IPs));
}