org.springframework.ldap.core.support.LookupAttemptingCallback Maven / Gradle / Ivy
/*
* Copyright 2005-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ldap.core.support;
import org.springframework.ldap.core.AuthenticatedLdapEntryContextCallback;
import org.springframework.ldap.core.AuthenticatedLdapEntryContextMapper;
import org.springframework.ldap.core.DirContextOperations;
import org.springframework.ldap.core.LdapEntryIdentification;
import org.springframework.ldap.support.LdapUtils;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
/**
* Attempts to perform an LDAP operation in the authenticated context, because
* Active Directory might allow bind with incorrect password (specifically empty
* password), and later refuse operations. We want to fail fast when
* authenticating. {@link #mapWithContext(javax.naming.directory.DirContext, org.springframework.ldap.core.LdapEntryIdentification)}
* returns the {@link DirContextOperations} instance that results from the lookup operation. This instance
* can be used to obtain information regarding the authenticated user.
*
* @author Hugo Josefson
* @author Mattias Hellborg Arthursson
* @since 1.3.1
*/
public class LookupAttemptingCallback implements
AuthenticatedLdapEntryContextCallback, AuthenticatedLdapEntryContextMapper {
@Override
public void executeWithContext(DirContext ctx, LdapEntryIdentification ldapEntryIdentification) {
mapWithContext(ctx, ldapEntryIdentification);
}
@Override
public DirContextOperations mapWithContext(DirContext ctx, LdapEntryIdentification ldapEntryIdentification) {
try {
return (DirContextOperations) ctx.lookup(ldapEntryIdentification.getRelativeName());
}
catch (NamingException e) {
// rethrow, because we aren't allowed to throw checked exceptions.
throw LdapUtils.convertLdapException(e);
}
}
}