using System;using System.DirectoryServices; namespace SystemFrameworks.Helper
{
/**//// /// 活动目录辅助类。封装一系列活动目录操作相关的方法。
/// public sealed class ADHelper { /**//// /// 域名 /// private static string DomainName = "MyDomain"; /**//// /// LDAP 地址 /// private static string LDAPDomain = "DC=MyDomain,DC=local"; /**//// /// LDAP绑定路径 /// private static string ADPath = "LDAP://brooks.mydomain.local"; /**//// /// 登录帐号 /// private static string ADUser = "Administrator"; /**//// /// 登录密码 /// private static string ADPassword = "password"; /**//// /// 扮演类实例 /// private static IdentityImpersonation impersonate = new IdentityImpersonation(ADUser, ADPassword, DomainName); /**//// /// 用户登录验证结果 /// public enum LoginResult { /**//// /// 正常登录 /// LOGIN_USER_OK = 0, /**//// /// 用户不存在 /// LOGIN_USER_DOESNT_EXIST, /**//// /// 用户帐号被禁用 /// LOGIN_USER_ACCOUNT_INACTIVE, /**//// /// 用户密码不正确 /// LOGIN_USER_PASSWORD_INCORRECT } /**//// /// 用户属性定义标志 /// public enum ADS_USER_FLAG_ENUM { /**//// /// 登录脚本标志。如果通过 ADSI LDAP 进行读或写操作时，该标志失效。如果通过 ADSI WINNT，该标志为只读。 /// ADS_UF_SCRIPT = 0X0001, /**//// /// 用户帐号禁用标志 /// ADS_UF_ACCOUNTDISABLE = 0X0002, /**//// /// 主文件夹标志 /// ADS_UF_HOMEDIR_REQUIRED = 0X0008, /**//// /// 过期标志 /// ADS_UF_LOCKOUT = 0X0010, /**//// /// 用户密码不是必须的 /// ADS_UF_PASSWD_NOTREQD = 0X0020, /**//// /// 密码不能更改标志 /// ADS_UF_PASSWD_CANT_CHANGE = 0X0040, /**//// /// 使用可逆的加密保存密码 /// ADS_UF_ENCRYPTED_TEXT_PASSWORD_ALLOWED = 0X0080, /**//// /// 本地帐号标志 /// ADS_UF_TEMP_DUPLICATE_ACCOUNT = 0X0100, /**//// /// 普通用户的默认帐号类型 /// ADS_UF_NORMAL_ACCOUNT = 0X0200, /**//// /// 跨域的信任帐号标志 /// ADS_UF_INTERDOMAIN_TRUST_ACCOUNT = 0X0800, /**//// /// 工作站信任帐号标志 /// ADS_UF_WORKSTATION_TRUST_ACCOUNT = 0x1000, /**//// /// 服务器信任帐号标志 /// ADS_UF_SERVER_TRUST_ACCOUNT = 0X2000, /**//// /// 密码永不过期标志 /// ADS_UF_DONT_EXPIRE_PASSWD = 0X10000, /**//// /// MNS 帐号标志 /// ADS_UF_MNS_LOGON_ACCOUNT = 0X20000, /**//// /// 交互式登录必须使用智能卡 /// ADS_UF_SMARTCARD_REQUIRED = 0X40000, /**//// /// 当设置该标志时，服务帐号（用户或计算机帐号）将通过 Kerberos 委托信任 /// ADS_UF_TRUSTED_FOR_DELEGATION = 0X80000, /**//// /// 当设置该标志时，即使服务帐号是通过 Kerberos 委托信任的，敏感帐号不能被委托 /// ADS_UF_NOT_DELEGATED = 0X100000, /**//// /// 此帐号需要 DES 加密类型 /// ADS_UF_USE_DES_KEY_ONLY = 0X200000, /**//// /// 不要进行 Kerberos 预身份验证 /// ADS_UF_DONT_REQUIRE_PREAUTH = 0X4000000, /**//// /// 用户密码过期标志 /// ADS_UF_PASSWORD_EXPIRED = 0X800000, /**//// /// 用户帐号可委托标志 /// ADS_UF_TRUSTED_TO_AUTHENTICATE_FOR_DELEGATION = 0X1000000 } public ADHelper() { // } GetDirectoryObject#region GetDirectoryObject /**//// /// 获得DirectoryEntry对象实例,以管理员登陆AD /// /// private static DirectoryEntry GetDirectoryObject() { DirectoryEntry entry = new DirectoryEntry(ADPath, ADUser, ADPassword, AuthenticationTypes.Secure); return entry; } /**//// /// 根据指定用户名和密码获得相应DirectoryEntry实体 /// /// /// /// private static DirectoryEntry GetDirectoryObject(string userName, string password) { DirectoryEntry entry = new DirectoryEntry(ADPath, userName, password, AuthenticationTypes.None); return entry; } /**//// /// i.e. /CN=Users,DC=creditsights, DC=cyberelves, DC=Com /// /// /// private static DirectoryEntry GetDirectoryObject(string domainReference) { DirectoryEntry entry = new DirectoryEntry(ADPath + domainReference, ADUser, ADPassword, AuthenticationTypes.Secure); return entry; } /**//// /// 获得以UserName,Password创建的DirectoryEntry /// /// /// /// /// private static DirectoryEntry GetDirectoryObject(string domainReference, string userName, string password) { DirectoryEntry entry = new DirectoryEntry(ADPath + domainReference, userName, password, AuthenticationTypes.Secure); return entry; } #endregion GetDirectoryEntry#region GetDirectoryEntry /**//// /// 根据用户公共名称取得用户的 对象 /// /// 用户公共名称 /// 如果找到该用户，则返回用户的 对象；否则返回 null public static DirectoryEntry GetDirectoryEntry(string commonName) { DirectoryEntry de = GetDirectoryObject(); DirectorySearcher deSearch = new DirectorySearcher(de); deSearch.Filter = "(&(&(objectCategory=person)(objectClass=user))(cn=" + commonName + "))"; deSearch.SearchScope = SearchScope.Subtree; try { SearchResult result = deSearch.FindOne(); de = new DirectoryEntry(result.Path); return de; } catch { return null; } } /**//// /// 根据用户公共名称和密码取得用户的 对象。 /// /// 用户公共名称 /// 用户密码 /// 如果找到该用户，则返回用户的 对象；否则返回 null public static DirectoryEntry GetDirectoryEntry(string commonName, string password) { DirectoryEntry de = GetDirectoryObject(commonName, password); DirectorySearcher deSearch = new DirectorySearcher(de); deSearch.Filter = "(&(&(objectCategory=person)(objectClass=user))(cn=" + commonName + "))"; deSearch.SearchScope = SearchScope.Subtree; try { SearchResult result = deSearch.FindOne(); de = new DirectoryEntry(result.Path); return de; } catch { return null; } } /**//// /// 根据用户帐号称取得用户的 对象 /// /// 用户帐号名 /// 如果找到该用户，则返回用户的 对象；否则返回 null public static DirectoryEntry GetDirectoryEntryByAccount(string sAMAccountName) { DirectoryEntry de = GetDirectoryObject(); DirectorySearcher deSearch = new DirectorySearcher(de); deSearch.Filter = "(&(&(objectCategory=person)(objectClass=user))(sAMAccountName=" + sAMAccountName + "))"; deSearch.SearchScope = SearchScope.Subtree; try { SearchResult result = deSearch.FindOne(); de = new DirectoryEntry(result.Path); return de; } catch { return null; } } /**//// /// 根据用户帐号和密码取得用户的 对象 /// /// 用户帐号名 /// 用户密码 /// 如果找到该用户，则返回用户的 对象；否则返回 null public static DirectoryEntry GetDirectoryEntryByAccount(string sAMAccountName, string password) { DirectoryEntry de = GetDirectoryEntryByAccount(sAMAccountName); if (de != null) { string commonName = de.Properties["cn"][0].ToString(); if (GetDirectoryEntry(commonName, password) != null) return GetDirectoryEntry(commonName, password); else return null; } else { return null; } } /**//// /// 根据组名取得用户组的 对象 /// /// 组名 /// public static DirectoryEntry GetDirectoryEntryOfGroup(string groupName) { DirectoryEntry de = GetDirectoryObject(); DirectorySearcher deSearch = new DirectorySearcher(de); deSearch.Filter = "(&(objectClass=group)(cn=" + groupName + "))"; deSearch.SearchScope = SearchScope.Subtree; try { SearchResult result = deSearch.FindOne(); de = new DirectoryEntry(result.Path); return de; } catch { return null; } } #endregion GetProperty#region GetProperty /**//// /// 获得指定 指定属性名对应的值 /// /// /// 属性名称 /// 属性值 public static string GetProperty(DirectoryEntry de, string propertyName) { if(de.Properties.Contains(propertyName)) { return de.Properties[propertyName][0].ToString() ; } else { return string.Empty; } } /**//// /// 获得指定搜索结果 中指定属性名对应的值 /// /// /// 属性名称 /// 属性值 public static string GetProperty(SearchResult searchResult, string propertyName) { if(searchResult.Properties.Contains(propertyName)) { return searchResult.Properties[propertyName][0].ToString() ; } else { return string.Empty; } } #endregion /**//// /// 设置指定 的属性值 /// /// /// 属性名称 /// 属性值 public static void SetProperty(DirectoryEntry de, string propertyName, string propertyValue) { if(propertyValue != string.Empty || propertyValue != "" || propertyValue != null) { if(de.Properties.Contains(propertyName)) { de.Properties[propertyName][0] = propertyValue; } else { de.Properties[propertyName].Add(propertyValue); } } } /**//// /// 创建新的用户 /// /// DN 位置。例如：OU=共享平台 或 CN=Users /// 公共名称 /// 帐号 /// 密码 /// public static DirectoryEntry CreateNewUser(string ldapDN, string commonName, string sAMAccountName, string password) { DirectoryEntry entry = GetDirectoryObject(); DirectoryEntry subEntry = entry.Children.Find(ldapDN); DirectoryEntry deUser = subEntry.Children.Add("CN=" + commonName, "user"); deUser.Properties["sAMAccountName"].Value = sAMAccountName; deUser.CommitChanges(); ADHelper.EnableUser(commonName); ADHelper.SetPassword(commonName, password); deUser.Close(); return deUser; } /**//// /// 创建新的用户。默认创建在 Users 单元下。 /// /// 公共名称 /// 帐号 /// 密码 /// public static DirectoryEntry CreateNewUser(string commonName, string sAMAccountName, string password) { return CreateNewUser("CN=Users", commonName, sAMAccountName, password); } /**//// /// 判断指定公共名称的用户是否存在 /// /// 用户公共名称 /// 如果存在，返回 true；否则返回 false public static bool IsUserExists(string commonName) { DirectoryEntry de = GetDirectoryObject(); DirectorySearcher deSearch = new DirectorySearcher(de); deSearch.Filter = "(&(&(objectCategory=person)(objectClass=user))(cn=" + commonName + "))"; // LDAP 查询串 SearchResultCollection results = deSearch.FindAll(); if (results.Count == 0) return false; else return true; } /**//// /// 判断用户帐号是否激活 /// /// 用户帐号属性控制器 /// 如果用户帐号已经激活，返回 true；否则返回 false public static bool IsAccountActive(int userAccountControl) { int userAccountControl_Disabled = Convert.ToInt32(ADS_USER_FLAG_ENUM.ADS_UF_ACCOUNTDISABLE); int flagExists = userAccountControl & userAccountControl_Disabled; if (flagExists > 0) return false; else return true; } /**//// /// 判断用户与密码是否足够以满足身份验证进而登录 /// /// 用户公共名称 /// 密码 /// 如能可正常登录，则返回 true；否则返回 false public static LoginResult Login(string commonName, string password) { DirectoryEntry de = GetDirectoryEntry(commonName); if (de != null) { // 必须在判断用户密码正确前，对帐号激活属性进行判断；否则将出现异常。 int userAccountControl = Convert.ToInt32(de.Properties["userAccountControl"][0]); de.Close(); if (!IsAccountActive(userAccountControl)) return LoginResult.LOGIN_USER_ACCOUNT_INACTIVE; if (GetDirectoryEntry(commonName, password) != null) return LoginResult.LOGIN_USER_OK; else return LoginResult.LOGIN_USER_PASSWORD_INCORRECT; } else { return LoginResult.LOGIN_USER_DOESNT_EXIST; } } /**//// /// 判断用户帐号与密码是否足够以满足身份验证进而登录 /// /// 用户帐号 /// 密码 /// 如能可正常登录，则返回 true；否则返回 false public static LoginResult LoginByAccount(string sAMAccountName, string password) { DirectoryEntry de = GetDirectoryEntryByAccount(sAMAccountName); if (de != null) { // 必须在判断用户密码正确前，对帐号激活属性进行判断；否则将出现异常。 int userAccountControl = Convert.ToInt32(de.Properties["userAccountControl"][0]); de.Close(); if (!IsAccountActive(userAccountControl)) return LoginResult.LOGIN_USER_ACCOUNT_INACTIVE; if (GetDirectoryEntryByAccount(sAMAccountName, password) != null) return LoginResult.LOGIN_USER_OK; else return LoginResult.LOGIN_USER_PASSWORD_INCORRECT; } else { return LoginResult.LOGIN_USER_DOESNT_EXIST; } } /**//// /// 设置用户密码，管理员可以通过它来修改指定用户的密码。 /// /// 用户公共名称 /// 用户新密码 public static void SetPassword(string commonName, string newPassword) { DirectoryEntry de = GetDirectoryEntry(commonName); // 模拟超级管理员，以达到有权限修改用户密码 impersonate.BeginImpersonate(); de.Invoke("SetPassword", new object[]{newPassword}); impersonate.StopImpersonate(); de.Close(); } /**//// /// 设置帐号密码，管理员可以通过它来修改指定帐号的密码。 /// /// 用户帐号 /// 用户新密码 public static void SetPasswordByAccount(string sAMAccountName, string newPassword) { DirectoryEntry de = GetDirectoryEntryByAccount(sAMAccountName); // 模拟超级管理员，以达到有权限修改用户密码 IdentityImpersonation impersonate = new IdentityImpersonation(ADUser, ADPassword, DomainName); impersonate.BeginImpersonate(); de.Invoke("SetPassword", new object[]{newPassword}); impersonate.StopImpersonate(); de.Close(); } /**//// /// 修改用户密码 /// /// 用户公共名称 /// 旧密码 /// 新密码 public static void ChangeUserPassword (string commonName, string oldPassword, string newPassword) { // to-do: 需要解决密码策略问题 DirectoryEntry oUser = GetDirectoryEntry(commonName); oUser.Invoke("ChangePassword", new Object[]{oldPassword, newPassword}); oUser.Close(); } /**//// /// 启用指定公共名称的用户 /// /// 用户公共名称 public static void EnableUser(string commonName) { EnableUser(GetDirectoryEntry(commonName)); } /**//// /// 启用指定 的用户 /// /// public static void EnableUser(DirectoryEntry de) { impersonate.BeginImpersonate(); de.Properties["userAccountControl"][0] = ADHelper.ADS_USER_FLAG_ENUM.ADS_UF_NORMAL_ACCOUNT | ADHelper.ADS_USER_FLAG_ENUM.ADS_UF_DONT_EXPIRE_PASSWD; de.CommitChanges(); impersonate.StopImpersonate(); de.Close(); } /**//// /// 禁用指定公共名称的用户 /// /// 用户公共名称 public static void DisableUser(string commonName) { DisableUser(GetDirectoryEntry(commonName)); } /**//// /// 禁用指定 的用户 /// /// public static void DisableUser(DirectoryEntry de) { impersonate.BeginImpersonate(); de.Properties["userAccountControl"][0]=ADHelper.ADS_USER_FLAG_ENUM.ADS_UF_NORMAL_ACCOUNT | ADHelper.ADS_USER_FLAG_ENUM.ADS_UF_DONT_EXPIRE_PASSWD | ADHelper.ADS_USER_FLAG_ENUM.ADS_UF_ACCOUNTDISABLE; de.CommitChanges(); impersonate.StopImpersonate(); de.Close(); } /**//// /// 将指定的用户添加到指定的组中。默认为 Users 下的组和用户。 /// /// 用户公共名称 /// 组名 public static void AddUserToGroup(string userCommonName, string groupName) { DirectoryEntry oGroup = GetDirectoryEntryOfGroup(groupName); DirectoryEntry oUser = GetDirectoryEntry(userCommonName); impersonate.BeginImpersonate(); oGroup.Properties["member"].Add(oUser.Properties["distinguishedName"].Value); oGroup.CommitChanges(); impersonate.StopImpersonate(); oGroup.Close(); oUser.Close(); } /**//// /// 将用户从指定组中移除。默认为 Users 下的组和用户。 /// /// 用户公共名称 /// 组名 public static void RemoveUserFromGroup(string userCommonName, string groupName) { DirectoryEntry oGroup = GetDirectoryEntryOfGroup(groupName); DirectoryEntry oUser = GetDirectoryEntry(userCommonName); impersonate.BeginImpersonate(); oGroup.Properties["member"].Remove(oUser.Properties["distinguishedName"].Value); oGroup.CommitChanges(); impersonate.StopImpersonate(); oGroup.Close(); oUser.Close(); } } /**//// /// 用户模拟角色类。实现在程序段内进行用户角色模拟。 /// public class IdentityImpersonation { [DllImport("advapi32.dll", SetLastError=true)] public static extern bool LogonUser(String lpszUsername, String lpszDomain, String lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken); [DllImport("advapi32.dll", CharSet=CharSet.Auto, SetLastError=true)] public extern static bool DuplicateToken(IntPtr ExistingTokenHandle, int SECURITY_IMPERSONATION_LEVEL, ref IntPtr DuplicateTokenHandle); [DllImport("kernel32.dll", CharSet=CharSet.Auto)] public extern static bool CloseHandle(IntPtr handle); // 要模拟的用户的用户名、密码、域(机器名) private String _sImperUsername; private String _sImperPassword; private String _sImperDomain; // 记录模拟上下文 private WindowsImpersonationContext _imperContext; private IntPtr _adminToken; private IntPtr _dupeToken; // 是否已停止模拟 private Boolean _bClosed; /**//// /// 构造函数 /// /// 所要模拟的用户的用户名 /// 所要模拟的用户的密码 /// 所要模拟的用户所在的域 public IdentityImpersonation(String impersonationUsername, String impersonationPassword, String impersonationDomain) { _sImperUsername = impersonationUsername; _sImperPassword = impersonationPassword; _sImperDomain = impersonationDomain; _adminToken = IntPtr.Zero; _dupeToken = IntPtr.Zero; _bClosed = true; } /**//// /// 析构函数 /// ~IdentityImpersonation() { if(!_bClosed) { StopImpersonate(); } } /**//// /// 开始身份角色模拟。 /// /// public Boolean BeginImpersonate() { Boolean bLogined = LogonUser(_sImperUsername, _sImperDomain, _sImperPassword, 2, 0, ref _adminToken); if(!bLogined) { return false; } Boolean bDuped = DuplicateToken(_adminToken, 2, ref _dupeToken); if(!bDuped) { return false; } WindowsIdentity fakeId = new WindowsIdentity(_dupeToken); _imperContext = fakeId.Impersonate(); _bClosed = false; return true; } /**//// /// 停止身分角色模拟。 /// public void StopImpersonate() { _imperContext.Undo(); CloseHandle(_dupeToken); CloseHandle(_adminToken); _bClosed = true; } } 
}来源：https://www.cnblogs.com/xiaoxi2005/archive/2007/08/07/846867.html