使用C#实现Windows组和用户管理的示例代码

1、WindowsAccountHelper类实现

using System;
using System.Collections.Generic;
using System.DirectoryServices.AccountManagement;
using System.Linq;
 
public class WindowsAccountHelper
{
    public static string LastErrorMsg { get; private set; }
 
    public static List<string> GetGroups()
    {
        var groups = new List<string>();
        try
        {
            var context = new PrincipalContext(ContextType.Machine);
            var queryGroup = new GroupPrincipal(context);
            var searcher = new PrincipalSearcher(queryGroup);
            searcher.FindAll().ToList().ForEach(t => groups.Add(t.Name));
        }
        catch (Exception)
        {
            groups.Clear();
        }
 
        return groups;
    }
 
    public static List<string> GetGroupUsers(string groupName)
    {
        var group = GetGroup(groupName);
        return GetGroupUsers(group);
    }
 
    public static List<string> GetGroupUsers(GroupPrincipal group)
    {
        var users = new List<string>();
         
        if (group == null)
        {
            return users;
        }
 
        group.GetMembers().ToList().ForEach(t => users.Add(t.Name));
        return users;
    }
 
    public static GroupPrincipal GetGroup(string groupName)
    {
        GroupPrincipal group = null;
        try
        {
            var context = new PrincipalContext(ContextType.Machine);
            var queryGroup = new GroupPrincipal(context);
            var searcher = new PrincipalSearcher(queryGroup);
            foreach (var principal in searcher.FindAll())
            {
                var groupPrincipal = (GroupPrincipal)principal;
                if (groupPrincipal != null && groupPrincipal.Name.Equals(groupName))
                {
                    group = groupPrincipal;
                    break;
                }
            }
        }
        catch (Exception)
        {
            // ignored
        }
 
        return group;
    }
 
    public static GroupPrincipal CreateGroup(string groupName, string description, bool isSecurityGroup)
    {
        GroupPrincipal group;
        try
        {
            group = GetGroup(groupName);
            if (group == null)
            {
                var context = new PrincipalContext(ContextType.Machine);
                group = new GroupPrincipal(context)
                {
                    Name = groupName,
                    Description = description,
                    IsSecurityGroup = isSecurityGroup,
                    GroupScope = GroupScope.Local
                };
                group.Save();
            }
        }
        catch (Exception e)
        {
            LastErrorMsg = e.Message;
            group = null;
        }
 
        return group;
    }
 
    public static bool DeleteGroup(string groupName)
    {
        var group = GetGroup(groupName);
        if (group == null)
        {
            return true;
        }
 
        var ret = true;
        try
        {
            group.Delete();
        }
        catch (Exception)
        {
            ret = false;
        }
 
        return ret;
    }
 
    public static bool CreateWindowsAccount(string userName, string password,
        string displayName, string description, bool cannotChangePassword,
        bool passwordNeverExpires, string groupName)
    {
        bool ret;
        try
        {
            var context = new PrincipalContext(ContextType.Machine);
            var group = GroupPrincipal.FindByIdentity(context, groupName);
            if (group == null)
            {
                return false;
            }
 
            ret = CreateWindowsAccount(userName, password, displayName,
                description, cannotChangePassword, passwordNeverExpires, group);
        }
        catch (Exception)
        {
            ret = false;
        }
 
        return ret;
    }
 
    public static bool CreateWindowsAccount(string userName, string password,
        string displayName, string description, bool cannotChangePassword,
        bool passwordNeverExpires, GroupPrincipal group)
    {
        bool ret;
        try
        {
            if (group == null)
            {
                return false;
            }
 
            var context = new PrincipalContext(ContextType.Machine);
            var user = UserPrincipal.FindByIdentity(context, userName)
                       ?? new UserPrincipal(context);
            user.SetPassword(password);
            user.DisplayName = displayName;
            user.Name = userName;
            user.Description = description;
            user.UserCannotChangePassword = cannotChangePassword;
            user.PasswordNeverExpires = passwordNeverExpires;
            user.Save();
 
            group.Members.Add(user);
            group.Save();
            ret = true;
        }
        catch (Exception)
        {
            ret = false;
        }
 
        return ret;
    }
 
    public static bool DeleteWindowsAccount(List<string> userNameList)
    {
        var ret = true;
        try
        {
            foreach (var userName in userNameList)
            {
                var context = new PrincipalContext(ContextType.Machine);
                var user = UserPrincipal.FindByIdentity(context, userName);
                user?.Delete();
            }
        }
        catch (Exception)
        {
            ret = false;
        }
 
        return ret;
    }
 
    public static bool ChangeUserGroup(string userName, string groupName)
    {
        bool ret;
        try
        {
            var context = new PrincipalContext(ContextType.Machine);
            var group = GroupPrincipal.FindByIdentity(context, groupName);
            if (group == null)
            {
                return false;
            }
 
            ret = ChangeUserGroup(userName, group);
        }
        catch (Exception)
        {
            ret = false;
        }
 
        return ret;
    }
 
    public static bool ChangeUserGroup(string userName, GroupPrincipal group)
    {
        bool ret;
        try
        {
            if (group == null)
            {
                return false;
            }
 
            var context = new PrincipalContext(ContextType.Machine);
            var user = UserPrincipal.FindByIdentity(context, userName);
            if (user == null)
            {
                return false;
            }
 
            if (!group.Members.Contains(user))
            {
                group.Members.Add(user);
                group.Save();
            }
 
            ret = true;
        }
        catch (Exception)
        {
            ret = false;
        }
 
        return ret;
    }
 
    public static int UpdateGroupUsers(string groupName, List<string> userNames, string password = "")
    {
        var group = CreateGroup(groupName, string.Empty, false);
        if (group == null)
        {
            return 0;
        }
 
        var userNameList = new List<string>();
        userNameList.AddRange(userNames);
 
        var addedUsers = new List<string>();
        int groupUserCount;
 
        try
        {
            foreach (var principal in group.GetMembers())
            {
                var user = (UserPrincipal)principal;
                if (user == null)
                {
                    continue;
                }
 
                if (userNameList.Contains(user.Name))
                {
                    //已有用户
                    addedUsers.Add(user.Name);
                }
                else
                {
                    user.Delete();
                }
            }
 
            //已有用户数
            groupUserCount = addedUsers.Count;
 
            //剩余的即为需要添加的用户集合
            foreach (var userName in addedUsers)
            {
                userNameList.Remove(userName);
            }
 
            //创建用户
            foreach (var userName in userNameList)
            {
                if (CreateWindowsAccount(userName, password,
                    userName, string.Empty,
                    false, false, group))
                {
                    groupUserCount++;
                }
            }
        }
        catch (UnauthorizedAccessException)
        {
            groupUserCount = 0;
        }
 
        return groupUserCount;
    }
}

2、使用示例

private bool CreateGroupUsers(string groupName, List<string> windowsUserList,
    string password, int userCount)
{
    var group = WindowsAccountHelper.CreateGroup(groupName, string.Empty, true);
    if (group == null)
    {
        return false;
    }
 
    var userNames = WindowsAccountHelper.GetGroupUsers(group);
    foreach (var userName in WindowsUserList)
    {
        if (!userNames.Contains(userName))
        {
            if (!WindowsAccountHelper.CreateWindowsAccount(userName, password,
                userName, string.Empty,
                false, false, group))
            {
                return false;
            }
        }
    }
 
    return true;
}

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