LDAP 身份验证 windows账号 登录

LDAP 身份验证 windows账号 登录

using System.DirectoryServices;
using System.Runtime.Versioning;

internal class Program
{
    private static void Main(string[] args)
    {
        Program program = new Program();
        // 检查当前操作系统是否为 Windows
        if (!OperatingSystem.IsWindows())
        {
            Console.WriteLine("此功能仅支持 Windows 操作系统。");
            return;
        }
        User? user = program.Login("xxxx", "xxxx");
        if (user == null)
            return;
        System.Console.WriteLine(user.DisplayName);
        System.Console.WriteLine(user.UserName);
    }

    [SupportedOSPlatform("windows")]
    public User? Login(string userName, string password)
    {
        try
        {
            const string DisplayNameAttribute = "DisplayName";
            const string SAMAccountNameAttribute = "SAMAccountName";
            using DirectoryEntry entry =
                new("LDAP://xxxx.com.cn", userName.Trim(), password.Trim());
            using DirectorySearcher searcher = new DirectorySearcher(entry);
            searcher.Filter = String.Format("({0}={1})", SAMAccountNameAttribute, userName);
            searcher.PropertiesToLoad.Add(DisplayNameAttribute);
            searcher.PropertiesToLoad.Add(SAMAccountNameAttribute);
            var result = searcher.FindOne();
            if (result != null)
            {
                var displayName = result.Properties[DisplayNameAttribute];
                var samAccountName = result.Properties[SAMAccountNameAttribute];

                return new User
                {
                    DisplayName =
                        displayName == null || displayName.Count <= 0
                            ? null
                            : displayName[0].ToString(),
                    UserName =
                        samAccountName == null || samAccountName.Count <= 0
                            ? null
                            : samAccountName[0].ToString()
                };
            }
        }
        catch (Exception ex)
        {
            System.Console.WriteLine(ex.Message);
            return null;
        }
        return null;
    }
}

public class User
{
    public string? UserName { get; set; }
    public string? DisplayName { get; set; }
}