6

我对 UserPrincipal 类进行了扩展以检索我需要的一些缺失的属性：

[DirectoryObjectClass("user")]
[DirectoryRdnPrefix("CN")]
class UserPrincipalExt : UserPrincipal
{
    public UserPrincipalExt(PrincipalContext context)
        : base(context)
    {
    }

    [DirectoryProperty("department")]
    public string Department
    {
        get
        {
            if (ExtensionGet("department").Length != 1)
                return null;
            return (string)ExtensionGet("department")[0];
        }
        set 
        { 
            this.ExtensionSet("department", value); 
        }
    }

    [DirectoryProperty("company")]
    public string Company
    {
        get
        {
            if (ExtensionGet("company").Length != 1)
                return null;
            return (string)ExtensionGet("company")[0];
        }
        set
        {
            this.ExtensionSet("company", value);
        }
    }

    [DirectoryProperty("c")]
    public string CountryAbbreviation
    {
        get
        {
            if (ExtensionGet("c").Length != 1)
                return null;
            return (string)ExtensionGet("c")[0];
        }
        set
        {
            this.ExtensionSet("c", value);
        }
    }
}

然后，我可以像这样轻松搜索：

 PrincipalContext principalContext = new PrincipalContext(ContextType.Domain, myDomain);
 UserPrincipalExt userExt = new UserPrincipalExt(principalContext);
 PrincipalSearcher searcher = new PrincipalSearcher(userExt);

 userExt.GivenName = "blabla";
 userExt.EmailAddress ="text here";

 PrincipalSearchResult<Principal> searchTmp = null;

 searcher.QueryFilter = userExt;
 searchTmp = searcher.FindAll();

所以，我的新任务和我当前的问题是：对于 ActiveDirectory 中搜索到的组，有必要使用扩展类获取用户列表。

GroupPrincipal group = (GroupPrincipal)collection.FirstOrDefault();

foreach (Principal pRes in group.GetMembers())
{
   //This doesnt work of course.
   // return null value.
   UserPrincipalExt user = pRes as UserPrincipalExt;
}

我怎样才能实现目标？

作为解决方法，我已经创建了一个函数来检索属性：

private string GetExtendedProperty(Principal principal, string propertyTo)
    {
        string property = "";

        try
        {
            DirectoryEntry directoryEntry = principal.GetUnderlyingObject() as DirectoryEntry;

            if (directoryEntry.Properties.Contains(propertyTo))
            {
                property = directoryEntry.Properties[propertyTo].Value.ToString();
            }
            else
            {
                property = "";
            }
        }
        catch (Exception ex)
        {
            Logger.ScriviLog(4, this.GetType().Name, MethodBase.GetCurrentMethod().Name, ex.Message);
        }

        return property;
    }

先感谢您。

4

2 回答 2

2

覆盖扩展类中的 FindByIdentity 方法。

public new static User FindByIdentity(PrincipalContext context, string identityValue)
{
    return (User)FindByIdentityWithType(context, typeof(User), identityValue);
}

public new static User FindByIdentity(PrincipalContext context, IdentityType identityType, string identityValue)
{
    return (User)FindByIdentityWithType(context, typeof(User), identityType, identityValue);
}

然后使用扩展类 FindByIdentity 方法进行搜索

var user = User.FindByIdentity(
    DomainContext,
    "name"
);

看到这个链接

于 2018-02-07T17:47:44.137 回答
0

dblock247 有正确答案

    public new static UserPrincipalExt FindByIdentity(PrincipalContext context, string identityValue)
    {
        return (UserPrincipalExt)FindByIdentityWithType(context, typeof(UserPrincipalExt), identityValue);
    }

    public new static UserPrincipalExt FindByIdentity(PrincipalContext context, IdentityType identityType, string identityValue)
    {
        return (UserPrincipalExt)FindByIdentityWithType(context, typeof(UserPrincipalExt), identityType, identityValue);
    }

你可以通过这种方式获得本金

  UserPrincipalExt oUserPrincipal = UserPrincipalExt.FindByIdentity(oPrincipalContext, IdentityType.UserPrincipalName, userName);

和这样的属性：

Console.WriteLine(oUserPrincipal.Company);
于 2019-02-05T18:17:57.487 回答