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LDAP (v3.2)

pac4j allows you to validate username/password and create, update and delete users on a LDAP.

1) Dependency

You need to use the following module: pac4j-ldap.

Example (Maven dependency):

<dependency>
    <groupId>org.pac4j</groupId>
    <artifactId>pac4j-ldap</artifactId>
    <version>${pac4j.version}</version>
</dependency>

2) LdapProfileService

The LdapProfileService supersedes the deprecated LdapAuthenticator to:

It works with a LdapProfile.

It is based on the great Ldpative library and built from a org.ldaptive.ConnectionFactory and a org.ldaptive.auth.Authenticator.

Example:

// ldaptive:
FormatDnResolver dnResolver = new FormatDnResolver();
dnResolver.setFormat(LdapServer.CN + "=%s," + LdapServer.BASE_PEOPLE_DN);
ConnectionConfig connectionConfig = new ConnectionConfig();
connectionConfig.setConnectTimeout(500);
connectionConfig.setResponseTimeout(1000);
connectionConfig.setLdapUrl("ldap://localhost:" + LdapServer.PORT);
DefaultConnectionFactory connectionFactory = new DefaultConnectionFactory();
connectionFactory.setConnectionConfig(connectionConfig);
PoolConfig poolConfig = new PoolConfig();
poolConfig.setMinPoolSize(1);
poolConfig.setMaxPoolSize(2);
poolConfig.setValidateOnCheckOut(true);
poolConfig.setValidateOnCheckIn(true);
poolConfig.setValidatePeriodically(false);
SearchValidator searchValidator = new SearchValidator();
IdlePruneStrategy pruneStrategy = new IdlePruneStrategy();
BlockingConnectionPool connectionPool = new BlockingConnectionPool();
connectionPool.setPoolConfig(poolConfig);
connectionPool.setBlockWaitTime(1000);
connectionPool.setValidator(searchValidator);
connectionPool.setPruneStrategy(pruneStrategy);
connectionPool.setConnectionFactory(connectionFactory);
connectionPool.initialize();
PooledConnectionFactory pooledConnectionFactory = new PooledConnectionFactory();
pooledConnectionFactory.setConnectionPool(connectionPool);
PooledBindAuthenticationHandler handler = new PooledBindAuthenticationHandler();
handler.setConnectionFactory(pooledConnectionFactory);
Authenticator ldaptiveAuthenticator = new Authenticator();
ldaptiveAuthenticator.setDnResolver(dnResolver);
ldaptiveAuthenticator.setAuthenticationHandler(handler);
// pac4j:
LdapProfileService ldapProfileService  = new LdapProfileService(connectionFactory, ldaptiveAuthenticator);

The base users DN can be changed via the setUsersDn method. As well as the id, username and password LDAP attribute names using the setIdAttribute, setUsernameAttribute and setPasswordAttribute methods.

The attributes of the user profile can be managed in the LDAP in two ways: