477 lines
18 KiB
C#
477 lines
18 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.DirectoryServices;
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using System.Data;
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namespace BLL
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{
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public class LdapAuthentication
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{
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// public LdapAuthentication()
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// {
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// }
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// private string _path;
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// private string _filterAttribute;
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// public LdapAuthentication(string path)
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// {
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// _path = path;
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// }
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private static string _path;
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private static string _filterAttribute;
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#region 是否连接到域
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/// <summary>
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/// </summary>
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/// <param name="domainName">域名或IP</param>
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/// <param name="userName">用户名</param>
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/// <param name="userPwd">密码</param>
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/// <param name="entry">域</param>
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/// <returns></returns>
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public static DirectoryEntry IsConnected(string domainName, string userName, string userPwd)
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{
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DirectoryEntry domain = new DirectoryEntry();
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try
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{
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domain.Path = string.Format("LDAP://{0}", domainName);
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domain.Username = userName;
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domain.Password = userPwd;
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domain.AuthenticationType = AuthenticationTypes.Secure;
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domain.RefreshCache();
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return domain;
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}
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catch (Exception ex)
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{
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BLL.ErrLogInfo.WriteLog(ex.ToString());
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return null;
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}
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}
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#endregion
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/// <summary>
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/// 判断是否域用户
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/// </summary>
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/// <param name="domain">域名</param>
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/// <param name="username">用户名</param>
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/// <param name="pwd">密码</param>
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/// <returns></returns>
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public static bool IsAuthenticated(string domain, string username, string pwd)
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{
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string domainAndUsername = domain + @"\" + username;
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DirectoryEntry entry = new DirectoryEntry(_path, domainAndUsername, pwd);
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try
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{
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//Bind to the native AdsObject to force authentication.
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object obj = entry.NativeObject;
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DirectorySearcher search = new DirectorySearcher(entry);
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search.Filter = "(SAMAccountName=" + username + ")";
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search.PropertiesToLoad.Add("cn");
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SearchResult result = search.FindOne();
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if (null == result)
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{
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return false;
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}
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//Update the new path to the user in the directory.
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_path = result.Path;
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_filterAttribute = (string)result.Properties["cn"][0];
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}
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catch (Exception ex)
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{
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throw new Exception("Error authenticating user. " + ex.Message);
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}
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return true;
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}
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/// <summary>
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/// 根据用户名获取所属组名
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/// </summary>
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/// <returns></returns>
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public static string GetGroupByUser()
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{
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DirectorySearcher search = new DirectorySearcher(_path);
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search.Filter = "(cn=" + _filterAttribute + ")";
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search.PropertiesToLoad.Add("memberOf");
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StringBuilder groupNames = new StringBuilder();
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try
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{
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SearchResult result = search.FindOne();
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int propertyCount = result.Properties["memberOf"].Count;
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string dn;
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int equalsIndex, commaIndex;
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for (int propertyCounter = 0; propertyCounter < propertyCount; propertyCounter++)
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{
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dn = (string)result.Properties["memberOf"][propertyCounter];
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equalsIndex = dn.IndexOf("=", 1);
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commaIndex = dn.IndexOf(",", 1);
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if (-1 == equalsIndex)
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{
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return null;
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}
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groupNames.Append(dn.Substring((equalsIndex + 1), (commaIndex - equalsIndex) - 1));
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}
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}
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catch (Exception ex)
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{
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throw new Exception("Error obtaining group names. " + ex.Message);
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}
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return groupNames.ToString();
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}
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/// <summary>
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/// 获取组用户
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/// </summary>
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/// <param name="Groupname">组名</param>
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/// <returns></returns>
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public static string[] GetUsersForGroup(string Groupname)
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{
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DirectorySearcher ds = new DirectorySearcher(_path);
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ds.Filter = "(&(objectClass=group)(cn=" + Groupname + "))";
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ds.PropertiesToLoad.Add("member");
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SearchResult r = ds.FindOne();
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if (r.Properties["member"] == null)
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{
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return (null);
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}
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string[] results = new string[r.Properties["member"].Count];
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for (int i = 0; i < r.Properties["member"].Count; i++)
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{
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string theGroupPath = r.Properties["member"][i].ToString();
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results[i] = theGroupPath.Substring(3, theGroupPath.IndexOf(",") - 3);
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}
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return (results);
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}
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/// <summary>
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/// 获取用户所属组
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/// </summary>
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/// <param name="username">用户名</param>
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/// <returns></returns>
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public static string[] GetGroupsForUser(string username)
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{
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DirectorySearcher ds = new DirectorySearcher(_path);
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ds.Filter = "(&(sAMAccountName=" + username + "))";
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ds.PropertiesToLoad.Add("memberof");
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SearchResult r = ds.FindOne();
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if (r.Properties["memberof"].Count == 0)
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{
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return (null);
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}
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string[] results = new string[r.Properties["memberof"].Count];
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for (int i = 0; i < r.Properties["memberof"].Count; i++)
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{
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string theGroupPath = r.Properties["memberof"][i].ToString();
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results[i] = theGroupPath.Substring(3, theGroupPath.IndexOf(",") - 3);
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}
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return (results);
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}
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public static string[] GetAllGroupsForUser(string username)
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{
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DirectorySearcher ds = new DirectorySearcher(_path);
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ds.Filter = "(&(sAMAccountName=" + username + "))";
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ds.PropertiesToLoad.Add("memberof");
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SearchResult r = ds.FindOne();
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if (r.Properties["memberof"] == null)
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{
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return (null);
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}
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string[] results = new string[r.Properties["memberof"].Count + 1];
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for (int i = 0; i < r.Properties["memberof"].Count; i++)
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{
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string theGroupPath = r.Properties["memberof"][i].ToString();
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results[i] = theGroupPath.Substring(3, theGroupPath.IndexOf(",") - 3);
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}
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results[r.Properties["memberof"].Count] = "All";//All组属于任何人,在AD之外定义了一个组，以便分配用户权限
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return (results);
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}
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/// <summary>
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/// 获取组用户
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/// </summary>
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/// <param name="username">用户名</param>
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/// <returns></returns>
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public static string GetUserDisplayName(string username)
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{
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string results;
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DirectorySearcher ds = new DirectorySearcher(_path);
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ds.Filter = "(&(objectClass=user)(sAMAccountName=" + username + "))";
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ds.PropertiesToLoad.Add("DisplayName");
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SearchResult r = ds.FindOne();
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results = r.GetDirectoryEntry().InvokeGet("DisplayName").ToString();
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return (results);
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}
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public static string GetAdGroupDescription(string prefix)//根据CN获取组description
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{
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string results;
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DirectorySearcher groupsDS = new DirectorySearcher(_path);
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groupsDS.Filter = "(&(objectClass=group)(CN=" + prefix + "*))";
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groupsDS.PropertiesToLoad.Add("cn");
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SearchResult sr = groupsDS.FindOne();
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results = sr.GetDirectoryEntry().InvokeGet("description").ToString();
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return (results);
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}
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public static DataTable GetAdGroupInfo()//根据CN获取组信息
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{
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DataTable dt = new DataTable();
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dt.Columns.Add("URL", typeof(System.String));
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dt.Columns.Add("cn", typeof(System.String));
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dt.Columns.Add("Description", typeof(System.String));
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DirectorySearcher searcher = new DirectorySearcher(_path);
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searcher.Filter = "(&(objectClass=group))";
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//searcher.SearchScope = SearchScope.Subtree;
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//searcher.Sort = new SortOption("description", System.DirectoryServices.SortDirection.Ascending);
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searcher.PropertiesToLoad.AddRange(new string[] { "cn", "description" });
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SearchResultCollection results = searcher.FindAll();
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if (results.Count == 0)
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{
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return (null);
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}
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else
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{
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foreach (SearchResult result in results)
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{
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DataRow dr = dt.NewRow();
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dr[0] = result.Path.ToString();
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dr[1] = result.GetDirectoryEntry().InvokeGet("cn").ToString();
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if (result.GetDirectoryEntry().InvokeGet("Description") != null)
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dr[2] = result.GetDirectoryEntry().InvokeGet("Description").ToString();
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else
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dr[2] = result.GetDirectoryEntry().InvokeGet("cn").ToString();
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dt.Rows.Add(dr);
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}
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dt.DefaultView.Sort = "description ASC";
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return dt;
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}
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}
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public static string getAccountName(string cn) //根据CN获取登陆名
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{
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foreach (string path in _path.Split(','))
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{
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DirectorySearcher ds = new DirectorySearcher(path);
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ds.Filter = "(&(objectClass=user)(cn=*" + cn + "*))";
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ds.PropertiesToLoad.Add("sAMAccountName");
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SearchResult r = ds.FindOne();
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if (r != null)
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return r.GetDirectoryEntry().InvokeGet("sAMAccountName").ToString();
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}
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return null;
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}
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public static DataTable adUserlist(string groupname) //生成用户数据表
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{
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DataTable dt = new DataTable();
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dt.Columns.Add("cn", typeof(System.String));
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dt.Columns.Add("sAMAccountName", typeof(System.String));
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string[] groupmember = GetUsersForGroup(groupname);
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if (groupmember.Length == 0)
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{
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return null;
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}
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else
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{
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foreach (string member in groupmember)
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{
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if (IsAccountActive(getAccountControl(getAccountName(member))))
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{
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DataRow dr = dt.NewRow();
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dr[0] = member.ToString();
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dr[1] = getAccountName(member);
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dt.Rows.Add(dr);
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}
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}
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return dt;
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}
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}
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public static DataTable adUserlist() //生成指定的用户信息数据表
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{
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DataTable dt = new DataTable();
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dt.Columns.Add("memberof", typeof(System.String));
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dt.Columns.Add("cn", typeof(System.String));
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dt.Columns.Add("Description", typeof(System.String));
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dt.Columns.Add("name", typeof(System.String));
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dt.Columns.Add("Mail", typeof(System.String));
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dt.Columns.Add("samaccountname", typeof(System.String));
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dt.Columns.Add("whencreated", typeof(System.String));
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dt.Columns.Add("title", typeof(System.String));
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dt.Columns.Add("department", typeof(System.String));
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DirectorySearcher searcher = new DirectorySearcher(_path);
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//searcher.Filter = "(description=ADPJ*)";
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searcher.Filter = "(description=ADPL*)";
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searcher.PropertiesToLoad.AddRange(new string[] { "memberof", "cn", "description", "name", "Mail", "samaccountname", "whencreated", "title", "department" });
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SearchResultCollection results = searcher.FindAll();
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if (results.Count == 0)
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{
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return (null);
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}
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else
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{
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foreach (SearchResult result in results)
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{
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DataRow dr = dt.NewRow();
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//dr[0] = result.Path.ToString();
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if (result.GetDirectoryEntry().InvokeGet("memberof") != null)
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dr[0] = result.GetDirectoryEntry().InvokeGet("memberof").ToString();
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else
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dr[0] = "";
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if (result.GetDirectoryEntry().InvokeGet("cn") != null)
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dr[1] = result.GetDirectoryEntry().InvokeGet("cn").ToString();
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else
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dr[1] = "";
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if (result.GetDirectoryEntry().InvokeGet("Description") != null)
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dr[2] = result.GetDirectoryEntry().InvokeGet("Description").ToString();
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else
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dr[2] = result.GetDirectoryEntry().InvokeGet("cn").ToString();
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if (result.GetDirectoryEntry().InvokeGet("name") != null)
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dr[3] = result.GetDirectoryEntry().InvokeGet("name").ToString();
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else
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dr[3] = "";
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if (result.GetDirectoryEntry().InvokeGet("Mail") != null)
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dr[4] = result.GetDirectoryEntry().InvokeGet("Mail").ToString();
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else
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dr[4] = "";
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if (result.GetDirectoryEntry().InvokeGet("samaccountname") != null)
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dr[5] = result.GetDirectoryEntry().Properties["samaccountname"].Value.ToString();
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else
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dr[5] = "";
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if (result.GetDirectoryEntry().InvokeGet("whencreated") != null)
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dr[6] = result.GetDirectoryEntry().Properties["whencreated"].Value.ToString();
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else
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dr[6] = "";
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if (result.GetDirectoryEntry().InvokeGet("title") != null)
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dr[7] = result.GetDirectoryEntry().Properties["title"].Value.ToString();
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else
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dr[7] = "";
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if (result.GetDirectoryEntry().InvokeGet("department") != null)
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dr[8] = result.GetDirectoryEntry().Properties["department"].Value.ToString();
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else
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dr[8] = "";
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dt.Rows.Add(dr);
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}
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dt.DefaultView.Sort = "description ASC";
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return dt;
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}
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}
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//public void adUserlistbox(ListBox results, string groupName) //生成USER
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//{
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// results.Items.Clear();
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// DataTable dt = adUserlist(groupName);
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// if (dt != null)
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// {
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// results.DataSource = dt;
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// results.DataTextField = dt.Columns[0].Caption;
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// results.DataValueField = dt.Columns[1].Caption;
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// results.DataBind();
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// }
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//}
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//public void adGrouplistbox(ListBox results)
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//{
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// results.Items.Clear();
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// DataTable dt = GetAdGroupInfo();
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// DataRow dr = dt.NewRow();
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// dr[1] = "All";
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// dr[2] = "All";
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// dt.Rows.Add(dr);
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// results.DataSource = dt;
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// results.DataTextField = dt.Columns[2].Caption;
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// results.DataValueField = dt.Columns[1].Caption;
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// results.DataBind();
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//}
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//public void aduserGrouplist(DropDownList results)
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//{
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// results.Items.Clear();
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// DataTable dt = GetAdGroupInfo();
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// results.DataSource = dt;
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// results.DataTextField = dt.Columns[2].Caption;
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// results.DataValueField = dt.Columns[1].Caption;
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// results.DataBind();
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//}
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public static int getAccountControl(string accountName)//获取权限码
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{
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int results;
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DirectorySearcher ds = new DirectorySearcher(_path);
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ds.Filter = "(&(objectClass=user)(sAMAccountName=" + accountName + "))";
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ds.PropertiesToLoad.Add("userAccountControl");
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try
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{
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SearchResult r = ds.FindOne();
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results = Convert.ToInt32(r.GetDirectoryEntry().InvokeGet("userAccountControl"));
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return results;
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}
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catch
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{
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return 0;
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}
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}
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public static bool IsAccountActive(int userAccountControl)//判断是否有效
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{
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int ADS_UF_ACCOUNTDISABLE = 0X0002;
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int userAccountControl_Disabled = Convert.ToInt32(ADS_UF_ACCOUNTDISABLE);
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int flagExists = userAccountControl & userAccountControl_Disabled;
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if (flagExists > 0)
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return false;
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else
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return true;
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}
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public static DirectoryEntry GetDirectoryEntryByAccount(string sAMAccountName)
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{
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DirectorySearcher deSearch = new DirectorySearcher(_path);
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deSearch.Filter = "(&(objectCategory=person)(objectClass=user)(sAMAccountName=" + sAMAccountName + "))";
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// deSearch.SearchScope = SearchScope.Subtree;
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try
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{
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SearchResult result = deSearch.FindOne();
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if (result == null)
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{ return null; }
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DirectoryEntry de = new DirectoryEntry(_path);
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return de;
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}
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catch
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{
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//throw;
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return null;
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}
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}
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}
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}
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