帐号管理工具类

用于校验用户帐号和制定用户修改密码，DomainType.Machine表示本机帐号,ContextType.Domain表示域帐号。

 

using System;
using System.Collections.Generic;
using System.Text;

using System.DirectoryServices.AccountManagement;

namespace Gren.Framework
{
    /// <summary>
    /// 帐号管理工具类
    /// </summary>
    public sealed class AccountUtils
    {
        public DomainType DomianType { get; set; }
        public string DomainName { get; set; }
        public string UserName { get; set; }
        public string Password { get; set; }

        private PrincipalContext GetPrincipalContext(DomainType domainType, string domainName, string userName, string password)
        {
            ContextType contextType = ContextType.Domain;

            switch (domainType)
            {
                case DomainType.ApplicationDirectory :
                    contextType = ContextType.ApplicationDirectory;
                    break;
                case DomainType.Machine :
                    contextType = ContextType.Machine;
                    break;
                default :
                    contextType = ContextType.Domain;
                    break;
            }

            return new PrincipalContext(contextType, domainName, userName, password);
        }

        /// <summary>
        /// 校验用户密码是否有效
        /// </summary>
        /// <param name="userName">用户名</param>
        /// <param name="password">密码</param>
        /// <returns>校验结果</returns>
        public bool ValidateCredentials(string userName, string password)
        {
            bool result = false;

            using (PrincipalContext context = this.GetPrincipalContext(this.DomianType, this.DomainName, this.UserName, this.Password))
            {
                result = context.ValidateCredentials(userName, password);
            }

            return result;
        }

        /// <summary>
        /// 设置用户密码
        /// </summary>
        /// <param name="samAccountName">用户名</param>
        /// <param name="newPassword">新密码</param>
        public void SetPassword(string samAccountName, string newPassword)
        {
            using (PrincipalContext context = this.GetPrincipalContext(this.DomianType, this.DomainName, this.UserName, this.Password))
            {
                UserPrincipal user = UserPrincipal.FindByIdentity(context, IdentityType.SamAccountName, samAccountName);
                user.SetPassword(newPassword);
            }
        }
    }

    public enum DomainType
    {
        Machine = 0,
        Domain = 1,
        ApplicationDirectory = 2,
    }
}