private static User GetUser(ClientHandler clientHandler)
{
User u = AuthUsers
.Where(client => client.Value == clientHandler)
.Select(user => user.Key).FirstOrDefault();
return u;
}
public static void TryDeAuthenticate(ClientHandler clientHandler)
{
var user = GetUser(clientHandler);
if (user != null)
{
DeAuthenticate(user.Username);
}
}
public static Boolean Authenticate(String username, String passhash, ClientHandler clientHandler)
{
//check that user and passhash are valid.
var user = Datastorage.Instance.GetUser(username);
// if the user is null, there is no user found.
// => return false (authentication failed).
if (user == null) return false;
// if the password is not equals to the passhash,
// the password is incorrect. => return false (auth failed).
if (user.Password != passhash) return false;
// Check if user was already in the list.
var result = AuthUsers.Keys.FirstOrDefault(u => u.Username == user.Username);
if (result != null)
{
return false;
}
AuthUsers.GetOrAdd(user, clientHandler);
return true;
}