Mar 06
import java.util.Hashtable;

import javax.naming.AuthenticationException;
import javax.naming.Context;
import javax.naming.NamingException;

public class SimpleLdapAuthentication
	public static void main(String[] args)
		String username = "user";
		String password = "password";
		String base = "ou=People,dc=objects,dc=com,dc=au";
		String dn = "uid=" + username + "," + base;
		String ldapURL = "ldap://";

		// Setup environment for authenticating
		Hashtable<String, String> environment = 
			new Hashtable<String, String>();
		environment.put(Context.PROVIDER_URL, ldapURL);
		environment.put(Context.SECURITY_AUTHENTICATION, "simple");
		environment.put(Context.SECURITY_PRINCIPAL, dn);
		environment.put(Context.SECURITY_CREDENTIALS, password);

			DirContext authContext = 
				new InitialDirContext(environment);
			// user is authenticated
		catch (AuthenticationException ex)
			// Authentication failed

		catch (NamingException ex)

written by objects \\ tags: , , ,

Array ( ) 4 Responses to “An example of simple ldap authentication”

  1. deepa Says:

    hi.. this program is not running in my application. i am gettingjavax.naming.InvalidNameException: [LDAP: error code 34 – invalid DN] exception..

    please can u suggest me where i went wrong

  2. objects Says:

    Check that your dn is correct

  3. fabio Says:

    You need to configure your ldif correctly. It most contain exactly the same data in the archive.

  4. Yosimar Says:

    Hi, I try with environment.put(Context.SECURITY_PRINCIPAL,]);
    and I can do log in.

    I hope help

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