adhelper.cs

AD(Active Directory)以不同的数据源显示数据的实现(包含源代码) Active Directory 是一种企业级目录服务

/*
 * Author : 方伍
 * Date: 2007-12-10
 * Blog: http://www.cnblogs.com/binbin1845
 * QQ: 32418201
 * Email: [e-mail]
 */
using System;
using System.Data;
using System.Collections;
using System.DirectoryServices;

namespace ADApplication
{
    public class ADHelper
    {
        public static DataSet GetAllAccounts(string adAddress, string account, string password)
        {
            DirectoryEntry entry = new DirectoryEntry(adAddress, account, password);
            DirectorySearcher mySearcher = new DirectorySearcher(entry);
            mySearcher.Filter = "(objectClass=user)";
            mySearcher.SearchScope = SearchScope.Subtree;
            DataTable dt = MakeTable();
            DataRow dr;
            try
            {
                SearchResultCollection results = mySearcher.FindAll();
                foreach (SearchResult result in results)
                {
                    dr = dt.NewRow();
                    foreach (DictionaryEntry de in GetADInfo())
                    {
                        dr[de.Key.ToString()] = GetProperty(result, de.Value.ToString());
                    }
                    dt.Rows.Add(dr);
                }
            }
            catch
            {
                throw new Exception("Can't connect to Active Directory.");
            }
            DataSet ds = new DataSet();
            ds.Tables.Add(dt);
            return ds;
        }

        private static string GetProperty(SearchResult searchResult, string PropertyName)
        {
            if(searchResult.Properties.Contains(PropertyName))
            {
                return searchResult.Properties[PropertyName][0].ToString() ;
            }
            else
            {
                return string.Empty;
            }
        }

        private static DataColumn MakeColumn(string name)
        {
            DataColumn column = new DataColumn();
            column.DataType = System.Type.GetType("System.String");
            column.ColumnName = name;
            return column;
        }

        private static DataTable MakeTable()
        {
            DataTable adTable = new DataTable();
            foreach (DictionaryEntry de in GetADInfo())
            {
                adTable.Columns.Add(MakeColumn(de.Key.ToString()));
            }
            return adTable;
        }

        private static Hashtable GetADInfo()
        {
            Hashtable table = new Hashtable();
            table.Add("Account", "cn");
            table.Add("FirstName", "givenName");
            table.Add("LastName", "sn");
            table.Add("Company", "company");
            table.Add("PhoneNumber", "telephoneNumber");
            table.Add("Fax", "facsimileTelephoneNumber");
            table.Add("Email", "mail");
            table.Add("Address", "homePostalAddress");
            table.Add("ZipCode", "postalCode");
            table.Add("Job", "extensionAttribute8");
            return table;
        }
    }
}