Java tutorial
/* * Copyright 2016 Studentmediene i Trondheim AS * * 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 no.smint.anthropos.authentication; import no.smint.anthropos.PersonList; import no.smint.anthropos.RestException; import no.smint.anthropos.ldap.LdapUtil; import no.smint.anthropos.ldap.PersonAttributesMapper; import no.smint.anthropos.model.Person; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.ldap.core.LdapTemplate; import org.springframework.ldap.query.LdapQuery; import org.springframework.security.authentication.AuthenticationProvider; import org.springframework.security.authentication.BadCredentialsException; import org.springframework.security.core.Authentication; import org.springframework.security.core.AuthenticationException; import org.springframework.stereotype.Service; import javax.naming.NamingException; import javax.naming.directory.SearchControls; import javax.servlet.http.HttpServletResponse; import java.util.List; import static org.springframework.ldap.query.LdapQueryBuilder.query; /** * Created by adrianh on 25.01.15. */ @Service public class TokenAuthenticationProvider implements AuthenticationProvider { Logger logger = LoggerFactory.getLogger(getClass()); private PersonList personList = new PersonList(); private LdapUtil ldapUtil = new LdapUtil(); @Autowired LdapTemplate ldapTemplate; @Override public Authentication authenticate(Authentication authentication) throws AuthenticationException { Token token = (Token) authentication; LdapUserPwd ldapUserPwd = token.getLdapUserPwd(); if (validateLogin(ldapUserPwd)) { Person loggedInUser = getLoggedInUser(ldapUserPwd.getUsername()); AuthUserDetails authUserDetails = new AuthUserDetails(loggedInUser); // Return an updated token with the right user details return new Token(ldapUserPwd, authUserDetails); } throw new BadCredentialsException("Invalid username or password"); } @Override public boolean supports(Class<?> authentication) { return authentication.equals(Token.class); } private boolean validateLogin(LdapUserPwd ldapUserPwd) { logger.info("LdapTemplate context source: " + ldapTemplate.getContextSource(), ldapTemplate.getContextSource()); boolean authenticate = ldapTemplate.authenticate("ou=Users", "(uid=" + ldapUserPwd.getUsername() + ")", ldapUserPwd.getPassword()); if (authenticate) { logger.info("User with username {} was authenticated by LDAP", ldapUserPwd.getUsername()); } else { logger.error("Wrong username or password for user {}", ldapUserPwd.getUsername()); } return authenticate; } private Person getLoggedInUser(String username) { System.out.println(username); Person person = new Person(); try { person = search(username).get(0); } catch (NamingException e) { e.printStackTrace(); } if (person == null) { throw new RestException("User was logged in, but not found in our database!", HttpServletResponse.SC_INTERNAL_SERVER_ERROR); } return person; } //TODO: This way is less than ideal. Search can not be referenced from LdapUtil because a new instance breaks the autowiring of ldapTemplate. Try to find a solution to this. public PersonList search(String search) throws NamingException { PersonList personList = new PersonList(); SearchControls ctls = new SearchControls(); LdapQuery query = query().where("objectclass").is("person").and("uid").is(search); List<Person> persons = ldapTemplate.search(query, new PersonAttributesMapper()); personList.update(persons); return personList; } }