mirror of
https://github.com/Leonmmcoset/CMLeonOS.git
synced 2026-03-03 15:30:27 +00:00
596 lines
20 KiB
C#
596 lines
20 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using Sys = Cosmos.System;
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namespace CMLeonOS
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{
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public class User
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{
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public string Username { get; set; }
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public string Password { get; set; }
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public bool IsAdmin { get; set; }
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}
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public class UserSystem
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{
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private string sysDirectory = @"0:\system";
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private string userFilePath;
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private List<User> users;
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public bool fixmode = Kernel.FixMode;
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private User currentLoggedInUser;
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public void ShowError(string error)
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{
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Console.ForegroundColor = ConsoleColor.Red;
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Console.WriteLine($"{error}");
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Console.ResetColor();
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}
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public void ShowSuccess(string message)
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{
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Console.ForegroundColor = ConsoleColor.Green;
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Console.WriteLine($"{message}");
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Console.ResetColor();
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}
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internal static string HashPasswordSha256(string password)
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{
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Sha256 sha256 = new Sha256();
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byte[] passwordBytesUnhashed = Encoding.Unicode.GetBytes(password);
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sha256.AddData(passwordBytesUnhashed, 0, (uint)passwordBytesUnhashed.Length);
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return Convert.ToBase64String(sha256.GetHash());
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}
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public UserSystem()
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{
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EnsureSysDirectoryExists();
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// 设置用户文件路径
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userFilePath = Path.Combine(sysDirectory, "user.dat");
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// 初始化当前登录用户
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currentLoggedInUser = null;
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// 加载用户数据
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LoadUsers();
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}
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private void EnsureSysDirectoryExists()
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{
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try
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{
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if (!Directory.Exists(sysDirectory))
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{
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Directory.CreateDirectory(sysDirectory);
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}
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}
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catch
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{
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// 忽略目录创建错误
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}
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}
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private void LoadUsers()
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{
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try
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{
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if (File.Exists(userFilePath))
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{
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string[] lines = File.ReadAllLines(userFilePath);
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users = new List<User>();
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foreach (string line in lines)
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{
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if (string.IsNullOrWhiteSpace(line) || line.StartsWith("#"))
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{
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continue;
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}
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string[] parts = line.Split('|');
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if (parts.Length >= 2)
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{
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User user = new User
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{
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Username = parts[0].Trim(),
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Password = parts[1].Trim(),
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IsAdmin = parts.Length >= 3 && parts[2].Trim().ToLower() == "admin"
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};
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users.Add(user);
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}
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}
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// Note: Passwords are stored as SHA256 hashes in the file
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// When comparing passwords during login, hash the input password first
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}
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else
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{
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users = new List<User>();
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}
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}
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catch
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{
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users = new List<User>();
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}
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}
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private void SaveUsers()
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{
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try
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{
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List<string> lines = new List<string>();
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foreach (User user in users)
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{
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// 使用SHA256加密密码
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string hashedPassword = HashPasswordSha256(user.Password);
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string line = $"{user.Username}|{hashedPassword}|{(user.IsAdmin ? "admin" : "user")}";
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lines.Add(line);
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}
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File.WriteAllLines(userFilePath, lines.ToArray());
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}
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catch (Exception ex)
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{
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ShowError($"Error saving users: {ex.Message}");
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}
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}
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public bool HasUsers
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{
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get { return users.Count > 0; }
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}
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public bool IsAdminSet
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{
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get
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{
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foreach (User user in users)
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{
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if (user.IsAdmin)
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{
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return true;
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}
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}
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return false;
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}
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}
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public void FirstTimeSetup()
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{
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Console.WriteLine("====================================");
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Console.WriteLine(" First Time Setup");
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Console.WriteLine("====================================");
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Console.WriteLine("Please set admin username and password:");
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Console.Write("Username: ");
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string username = Console.ReadLine();
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while (string.IsNullOrWhiteSpace(username))
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{
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ShowError("Username cannot be empty.");
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Console.Write("Username: ");
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username = Console.ReadLine();
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}
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Console.WriteLine("Password: ");
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string password = ReadPassword();
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Console.WriteLine("Please confirm your password:");
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string confirmPassword = ReadPassword();
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while (password != confirmPassword)
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{
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ShowError("Passwords do not match. Please try again.");
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Console.Write("Username: ");
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username = Console.ReadLine();
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while (string.IsNullOrWhiteSpace(username))
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{
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ShowError("Username cannot be empty.");
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Console.Write("Username: ");
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username = Console.ReadLine();
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}
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Console.WriteLine("Password: ");
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password = ReadPassword();
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Console.WriteLine("Please confirm your password:");
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confirmPassword = ReadPassword();
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}
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try
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{
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User adminUser = new User
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{
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Username = username,
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Password = password,
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IsAdmin = true
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};
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users.Add(adminUser);
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SaveUsers();
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ShowSuccess("Admin user created successfully!");
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Console.WriteLine();
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Console.WriteLine("System will restart in 3 seconds...");
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Console.WriteLine("Please wait...");
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Console.WriteLine();
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for (int i = 3; i > 0; i--)
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{
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Console.Write($"\rRestarting in {i} seconds... ");
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Thread.Sleep(1000);
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}
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Console.WriteLine("\rRestarting now!");
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Sys.Power.Reboot();
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}
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catch (Exception ex)
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{
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ShowError($"Error creating admin user: {ex.Message}");
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}
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}
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private void CreateUserFolder(string username)
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{
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try
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{
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Console.WriteLine($"Creating user folder for {username}...");
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// 在user文件夹下创建用户文件夹
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string userFolderPath = Path.Combine(@"0:\user", username);
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// 检查用户文件夹是否存在
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if (!Directory.Exists(userFolderPath))
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{
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Directory.CreateDirectory(userFolderPath);
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Console.WriteLine($"Created user folder for {username}.");
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}
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else
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{
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Console.WriteLine($"User folder for {username} already exists.");
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}
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}
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catch (Exception ex)
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{
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ShowError($"Error creating user folder: {ex.Message}");
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}
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}
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public bool Login()
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{
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Console.WriteLine("====================================");
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Console.WriteLine(" System Login");
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Console.WriteLine("====================================");
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// Console.ReadKey(true);
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// 检测ALT+Space按键
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bool useFixMode = false;
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ConsoleKeyInfo keyInfo;
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try
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{
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if (fixmode == true) {
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keyInfo = Console.ReadKey(true);
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if (keyInfo.Key == ConsoleKey.Spacebar && (keyInfo.Modifiers & ConsoleModifiers.Alt) != 0)
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{
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// 检测到ALT+Space，进入修复模式
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useFixMode = true;
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Console.WriteLine();
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Console.WriteLine("Fix Mode Activated");
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Console.Write("Enter fix code: ");
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string fixCode = "";
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while (true)
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{
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var codeKey = Console.ReadKey(true);
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if (codeKey.Key == ConsoleKey.Enter)
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{
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Console.WriteLine();
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break;
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}
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else if (codeKey.Key == ConsoleKey.Backspace)
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{
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if (fixCode.Length > 0)
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{
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fixCode = fixCode.Substring(0, fixCode.Length - 1);
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}
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}
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else
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{
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fixCode += codeKey.KeyChar;
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Console.Write(codeKey.KeyChar);
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}
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}
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if (fixCode == "FixMyComputer")
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{
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Console.WriteLine("Fix mode enabled!");
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}
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else
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{
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Console.WriteLine("Invalid fix code. Exiting fix mode.");
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useFixMode = false;
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}
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}
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}
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else
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{
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// 正常登录流程
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Console.Write("Username: ");
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string username = Console.ReadLine();
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if (string.IsNullOrWhiteSpace(username))
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{
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ShowError("Username cannot be empty.");
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return false;
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}
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Console.Write("Password: ");
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string password = ReadPassword();
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// 查找用户
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User foundUser = null;
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foreach (User user in users)
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{
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if (user.Username.ToLower() == username.ToLower())
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{
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foundUser = user;
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break;
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}
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}
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if (foundUser == null)
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{
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ShowError("User not found.");
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return false;
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}
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// 使用SHA256加密输入的密码后比较
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string hashedInputPassword = HashPasswordSha256(password);
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// Console.WriteLine($"Hashed Input Password: {hashedInputPassword}");
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// Console.WriteLine($"Stored Password: {foundUser.Password}");
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if (foundUser.Password != hashedInputPassword)
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{
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ShowError("Invalid password.");
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return false;
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}
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ShowSuccess("Login successful!");
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Console.Beep();
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// 设置当前登录用户
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currentLoggedInUser = foundUser;
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// 创建用户文件夹
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CreateUserFolder(foundUser.Username);
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return true;
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}
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}
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catch
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{
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// 如果读取按键失败，使用普通登录
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ShowError("Error reading key input. Using normal login.");
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return false;
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}
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// 如果使用了修复模式，返回true
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if (useFixMode)
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{
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return true;
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}
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return false;
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}
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public bool AddUser(string args, bool isAdmin)
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{
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Console.WriteLine("====================================");
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Console.WriteLine($" Add {(isAdmin ? "Admin" : "User")}");
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Console.WriteLine("====================================");
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string[] parts = args.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
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if (parts.Length < 2)
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{
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ShowError("Error: Please specify username and password");
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ShowError($"Usage: user add {(isAdmin ? "admin" : "user")} <username> <password>");
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return false;
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}
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string username = parts[0];
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string password = parts[1];
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// 检查用户名是否已存在
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foreach (User user in users)
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{
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if (user.Username.ToLower() == username.ToLower())
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{
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ShowError($"Error: User '{username}' already exists.");
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return false;
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}
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}
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try
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{
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User newUser = new User
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{
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Username = username,
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Password = HashPasswordSha256(password),
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IsAdmin = isAdmin
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};
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users.Add(newUser);
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SaveUsers();
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// 创建用户文件夹
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CreateUserFolder(username);
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ShowSuccess($"{(isAdmin ? "Admin" : "User")} '{username}' created successfully!");
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ShowSuccess("You shall restart the system to apply the changes.");
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return true;
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}
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catch (Exception ex)
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{
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ShowError($"Error adding user: {ex.Message}");
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return false;
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}
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}
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public bool DeleteUser(string username)
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{
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Console.WriteLine("====================================");
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Console.WriteLine(" Delete User");
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Console.WriteLine("====================================");
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if (string.IsNullOrWhiteSpace(username))
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{
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ShowError("Error: Please specify username");
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ShowError("Usage: user delete <username>");
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return false;
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}
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// 查找用户
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User foundUser = null;
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foreach (User user in users)
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{
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if (user.Username.ToLower() == username.ToLower())
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{
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foundUser = user;
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break;
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}
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}
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if (foundUser == null)
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{
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ShowError($"Error: User '{username}' not found.");
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return false;
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}
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// 检查是否是最后一个管理员
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int adminCount = 0;
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foreach (User user in users)
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{
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if (user.IsAdmin)
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{
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adminCount++;
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}
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}
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if (foundUser.IsAdmin && adminCount <= 1)
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{
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ShowError("Error: Cannot delete the last admin user.");
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return false;
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}
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try
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{
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users.Remove(foundUser);
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SaveUsers();
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ShowSuccess($"User '{username}' deleted successfully!");
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return true;
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}
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catch (Exception ex)
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{
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ShowError($"Error deleting user: {ex.Message}");
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return false;
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}
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}
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public void ListUsers()
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{
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Console.WriteLine("====================================");
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Console.WriteLine(" User List");
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Console.WriteLine("====================================");
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if (users.Count == 0)
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{
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Console.WriteLine("No users found.");
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return;
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}
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Console.WriteLine();
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foreach (User user in users)
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{
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string userType = user.IsAdmin ? "[ADMIN]" : "[USER]";
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Console.WriteLine($"{userType} {user.Username}");
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}
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}
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public bool ChangePassword()
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{
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Console.WriteLine("====================================");
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Console.WriteLine(" Change Password");
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Console.WriteLine("====================================");
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Console.Write("Please enter your current password: ");
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string currentPassword = ReadPassword();
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// 检查是否有用户登录
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if (currentLoggedInUser == null)
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{
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ShowError("Error: No user logged in.");
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return false;
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}
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Console.Write("Please enter your new password: ");
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string newPassword = ReadPassword();
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Console.WriteLine("Please confirm your new password: ");
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string confirmPassword = ReadPassword();
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if (newPassword == confirmPassword)
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{
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try
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{
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currentLoggedInUser.Password = newPassword;
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SaveUsers();
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ShowSuccess("Password changed successfully!");
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return true;
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}
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catch (Exception ex)
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{
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ShowError($"Error changing password: {ex.Message}");
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return false;
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}
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}
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else
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{
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ShowError("New passwords do not match.");
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return false;
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}
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}
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private string ReadPassword()
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{
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string password = "";
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while (true)
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{
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ConsoleKeyInfo keyInfo = Console.ReadKey(true);
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if (keyInfo.Key == ConsoleKey.Enter)
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{
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Console.WriteLine();
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break;
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}
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else if (keyInfo.Key == ConsoleKey.Backspace)
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{
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if (password.Length > 0)
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{
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password = password.Substring(0, password.Length - 1);
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}
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}
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else
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{
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password += keyInfo.KeyChar;
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Console.Write("*");
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}
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}
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return password;
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}
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}
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}
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