C# 调用LDAP接口获取域用户信息

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Configuration;
using System.Diagnostics;
using System.DirectoryServices;
using System.DirectoryServices.AccountManagement;
using System.DirectoryServices.Protocols;
using System.IO.Ports;
using System.Linq;
using System.Net;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.DirectoryServices.Protocols;

namespace ConsoleApplication10
{
class Program
{
static void Main(string[] args)
{

/*https://support.jumpcloud.com/customer/portal/articles/2439978-filtering-by-user-or-group-in-ldap-search-filters-
* Get all entries: (objectClass=*)
* Get entries containing "bob" somewhere in the common name:(cn=*bob*)
* Get entries with a common name greater than or equal to "bob":(cn>='bob')
* Get all user entries with an email attribute and a surname equal to "smith":(&(sn=smith)(objectClass=user)(email=*))
* Get all user entries with a common name that starts with "andy", "steve", or "margaret":(&(objectClass=user)(| (cn=andy*)(cn=steve*)(cn=margaret*)))
*/
//first
Stopwatch sw = new Stopwatch();
sw.Start();
//LDAPS的url也要用LDAP://
DirectoryEntry directoryEntry = new DirectoryEntry("LDAP://aa.bb.global.baidu.com:3269", "username", "password",
AuthenticationTypes.SecureSocketsLayer);
//directoryEntry.Options
DirectorySearcher searcher = new DirectorySearcher(directoryEntry)
{
PageSize = 3,
SizeLimit = 3,
Asynchronous = false,
CacheResults = false,
ClientTimeout = new TimeSpan(0, 0, 1),
Filter = "(&(objectCategory=person)(objectClass=user)(|(cn=lm*)(mail=lm*)))"
};

searcher.PropertiesToLoad.AddRange(new[] { "cn", "sn", "displayName", "mail", "department", "company" });

SearchResultCollection result = searcher.FindAll();
sw.Stop();

foreach (SearchResult oResult in result)
{
Console.WriteLine(oResult.Properties["cn"][0] + " :  " + (!oResult.Properties.Contains("mail") ? "" : oResult.Properties["mail"][0])
+ " :  " + (!oResult.Properties.Contains("department") ? "" : oResult.Properties["department"][0])
+ "-" + (!oResult.Properties.Contains("company") ? "" : oResult.Properties["company"][0]));
}

Console.WriteLine(sw.ElapsedMilliseconds);
Console.ReadKey();
}

//second

//LdapConnection ldapConnection = new LdapConnection("cn1.global.ctrip.com:636");

//var networkCredential = new NetworkCredential("FeebackEmailCheck", "O&xbu{c]=C");
//ldapConnection.SessionOptions.SecureSocketLayer = true;
//ldapConnection.SessionOptions.VerifyServerCertificate += delegate { return true; };
//ldapConnection.AuthType = AuthType.Basic;
//ldapConnection.Bind(networkCredential);

//SearchRequest request = new SearchRequest("DC=xxx,DC=xxx,DC=xxx", "(sAMAccountName=3074861)", System.DirectoryServices.Protocols.SearchScope.Subtree);
//SearchResponse response = (SearchResponse)ldapConnection.SendRequest(request);

//if (response.Entries.Count == 1)
//{
//    SearchResultEntry entry = response.Entries[0];
//    string DN = entry.DistinguishedName;
//}

//3rd:
//LdapConnection conn = new LdapConnection("cn1.global.ctrip.com:636");
//var op = conn.SessionOptions;
//op.ProtocolVersion = 3;
//op.SecureSocketLayer = true;
//op.VerifyServerCertificate += delegate { return true; };

//conn.AuthType = AuthType.Basic;
//var cred = new NetworkCredential("FeebackEmailCheck", "O&xbu{c]=C");

////conn.Credential = cred;
//try
//{
//    conn.Bind(cred);

//    if (op.SecureSocketLayer)
//    {
//        Console.WriteLine("SSL for encryption is enabled - SSL information:");
//    }
//}
//catch (Exception ex)
//{

//    throw;
//}
}
}