ADHelper 活动目录用户操作类
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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=
///
/// 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()
{
//
}
#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
#region GetDirectoryEntry
///
/// 根据用户公共名称取得用户的
///
/// 用户公共名称
///
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
///
/// 用户公共名称
/// 用户密码
///
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
///
/// 用户帐号名
///
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
///
/// 用户帐号名
/// 用户密码
///
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
///
/// 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
#region GetProperty
///
/// 获得指定
///
///
/// 属性名称
///
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
///
///
/// 属性名称
///
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
///
///
/// 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
///
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
///
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
///
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
///
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
///
///
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
///
///
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;
}
}
}
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