Use Java to connect to the AD domain to verify that the account password is correct

In Web projects, customers sometimes ask us to use the AD domain for identity verification, and no longer have to do another set of user management systems. In fact, the customer is as long as a set of accounts can access all OA,CRM and other office systems.
This is the third-party verification. Generally have ad domain, ldap,radius, mail server and so on. The most common is the number of ad domains. Because window System occupies a lot of land in the country. It is also very convenient to do.
I am writing this article, how to use Java to achieve the authentication of the ad domain. OK, just look at the code:

Package Com.test;import Java.util.hashtable;import Javax.naming.authenticationexception;import Javax.naming.context;import Javax.naming.directory.dircontext;import javax.naming.directory.initialdircontext;/* * * Use Java to connect to the ad domain, verify that the account password is correct * @author herman.xiong * @date 2014-12-23 pm 02:07:26 * @version V3.0 * @since JDK 1.6,tomcat 6.  0 */public class ADTest {/** * use Java to connect to AD domain * @author herman.xiong * @date 2014-12-23 pm 02:24:04 * @return void * @throws Exception description * @param host connects to an ad domain server's IP * @param the port of the post AD domain Server * @param username username * @param password password */public static void Co Nnect (String host,string post,string username,string password) {DirContext ctx=null; hashtable<string,string> hashenv = new hashtable<string,string> (); Hashenv.put (Context.security_authentication, "simple"); LDAP access security level (None,simple,strong) hashenv.put (Context.security_principal, username); The user name of Ad hashenv.put (context.security_credentials, password); The password for ad hashenv.put (context.initial_context_factory, "Com.sun.jndi. LDAP. Ldapctxfactory "); LDAP Factory class Hashenv.put ("Com.sun.jndi.ldap.connect.timeout", "3000");//connection timeout set to 3 seconds Hashenv.put (Context.provider_url, " LDAP://"+ Host +": "+ post);//default port 389try {ctx = new InitialDirContext (hashenv);//Initialize Context System.out.println (" Authentication succeeded! "); } catch (Authenticationexception e) {System.out.println ("Failed authentication!"); E.printstacktrace ();} catch (Javax.naming.CommunicationException e) {System.out.println ("AD Domain Connection failed!"); E.printstacktrace ();} catch (Exception e) {System.out.println ("Authentication unknown exception!"); E.printstacktrace ();} Finally{if (null!=ctx) {try {ctx.close (); ctx=null;} catch (Exception e) {e.printstacktrace ();}}}} public static void Main (string[] args) {adtest.connect ("10.10.2.116", "389", "[email protected]", "123456");}}

This concludes the code to see how it works:

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Use Java to connect to the AD domain to verify that the account password is correct