C＃ - 在活动目录中查找用户管理器

Question

开始使用System.DirectoryServices.AccountManagement命名空间，对活动目录（AD）中的用户执行查找。 我也需要用户的经理，但我似乎在使用这个命名空间的道路上碰到了一个碰撞。当前的代码来获得一个人：

class Person { 
    // Fields 
    public string GivenName = null; 
    public string Surname = null; 
    public string DistinguishedName = null; 
    public string Email = null; 
    public string MangerDistinguishedName = null; // Unable to set this 

    // Constructor 
    public Person(string userName) { 
     UserPrincipal user = null; 

     try { 
      user = GetUser(userName); 

      if (user != null) { 
       this.GivenName = user.GivenName; 
       this.Surname = user.Surname; 
       this.DistinguishedName = user.DistinguishedName; 
       this.Email = user.EmailAddress; 
       this.MangerDistinguishedName = user.<NO SUCH PROPERTY TO FIND A MANAGER'S DISTINGUISHED NAME> 
      } 
      else { 
       throw new MissingPersonException("Person not found"); 
      } 
     } 
     catch (MissingPersonException ex) { 
      MessageBox.Show(
       ex.Message 
       , ex.reason 
       , MessageBoxButtons.OK 
       , MessageBoxIcon.Error 
      ); 
     } 
     catch (Exception ex) { 
      MessageBox.Show(
       ex.Message 
       , "Error: Possible connection failure, or permissions failure to search for the username provided." 
       , MessageBoxButtons.OK 
       , MessageBoxIcon.Error 
      ); 
     } 
     finally { 
      user.Dispose(); 
     } 
    } 

执行搜索的人

private UserPrincipal GetUser(string userName) { 
     PrincipalContext ctx = new PrincipalContext(ContextType.Domain); 
     UserPrincipal user = UserPrincipal.FindByIdentity(ctx, userName); 

     return user; 
    } 

什么是另一种方式来直接访问特定用户的管理者的专有名称？

• 可能部分答案here在VB，但我看不到任何关于参照管理人员。
• 另一个可能的部分here，再次，没有关于经理。

Answer 1

如果你在.NET 3.5和和使用System.DirectoryServices.AccountManagement（S.DS.AM）命名空间，你可以很容易地扩展现有UserPrincipal类来获得更高级的属性，如Manager等

阅读所有关于它在这里：

• Managing Directory Security Principals in the .NET Framework 3.5
• MSDN docs on System.DirectoryServices.AccountManagement

基本上，你只是定义基于UserPrincipal派生类，然后定义您的附加属性，你想：现在

[DirectoryRdnPrefix("CN")] 
[DirectoryObjectClass("Person")] 
public class UserPrincipalEx : UserPrincipal 
{ 
    // Inplement the constructor using the base class constructor. 
    public UserPrincipalEx(PrincipalContext context) : base(context) 
    { } 

    // Implement the constructor with initialization parameters.  
    public UserPrincipalEx(PrincipalContext context, 
         string samAccountName, 
         string password, 
         bool enabled) : base(context, samAccountName, password, enabled) 
    {} 

    // Create the "Department" property.  
    [DirectoryProperty("department")] 
    public string Department 
    { 
     get 
     { 
      if (ExtensionGet("department").Length != 1) 
       return string.Empty; 

      return (string)ExtensionGet("department")[0]; 
     } 
     set { ExtensionSet("department", value); } 
    } 

    // Create the "Manager" property.  
    [DirectoryProperty("manager")] 
    public string Manager 
    { 
     get 
     { 
      if (ExtensionGet("manager").Length != 1) 
       return string.Empty; 

      return (string)ExtensionGet("manager")[0]; 
     } 
     set { ExtensionSet("manager", value); } 
    } 

    // Implement the overloaded search method FindByIdentity. 
    public static new UserPrincipalEx FindByIdentity(PrincipalContext context, string identityValue) 
    { 
     return (UserPrincipalEx)FindByIdentityWithType(context, typeof(UserPrincipalEx), identityValue); 
    } 

    // Implement the overloaded search method FindByIdentity. 
    public static new UserPrincipalEx FindByIdentity(PrincipalContext context, IdentityType identityType, string identityValue) 
    { 
     return (UserPrincipalEx)FindByIdentityWithType(context, typeof(UserPrincipalEx), identityType, identityValue); 
    } 
} 

，你可以在你的代码中使用UserPrincipalEx的“扩展”版本：

using (PrincipalContext ctx = new PrincipalContext(ContextType.Domain)) 
{ 
    // Search the directory for the new object. 
    UserPrincipalEx inetPerson = UserPrincipalEx.FindByIdentity(ctx, IdentityType.SamAccountName, "someuser"); 

    // you can easily access the Manager or Department now 
    string department = inetPerson.Department; 
    string manager = inetPerson.Manager; 
}