| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.sling.auth.xing.login.impl; |
| |
| import javax.jcr.Credentials; |
| import javax.jcr.RepositoryException; |
| |
| import org.apache.jackrabbit.api.security.user.User; |
| import org.apache.sling.auth.xing.login.XingLoginUserManager; |
| import org.apache.sling.auth.xing.login.XingLoginUtil; |
| import org.apache.sling.jcr.jackrabbit.server.security.AuthenticationPlugin; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class XingLoginAuthenticationPlugin implements AuthenticationPlugin { |
| |
| private final XingLoginUserManager xingLoginUserManager; |
| |
| private final Logger logger = LoggerFactory.getLogger(XingLoginAuthenticationPlugin.class); |
| |
| public XingLoginAuthenticationPlugin(final XingLoginUserManager xingLoginUserManager) { |
| this.xingLoginUserManager = xingLoginUserManager; |
| } |
| |
| @Override |
| public boolean authenticate(final Credentials credentials) throws RepositoryException { |
| logger.debug("authenticate"); |
| |
| // check if given credentials have a hash |
| final String givenHash = XingLoginUtil.getHash(credentials); |
| if (givenHash == null) { |
| logger.debug("unable to get hash from given credentials"); |
| return false; |
| } |
| |
| User user = xingLoginUserManager.getUser(credentials); |
| if (user == null) { // check if given credentials pull up an existing user |
| logger.debug("no user found for given credentials"); |
| if (xingLoginUserManager.autoCreate()) { |
| logger.debug("creating a new user from given user data"); |
| // validating with hash happens in createUser(credentials) |
| user = xingLoginUserManager.createUser(credentials); |
| } |
| } |
| |
| // re-check |
| if (user == null) { |
| return false; |
| } |
| |
| // check if stored user has a hash |
| final String storedHash = xingLoginUserManager.getHash(user); |
| if (storedHash == null) { // should not happen, so return false |
| logger.debug("no hash found for user '{}'", user.getID()); |
| return false; |
| } |
| |
| // check if hashes match |
| if (givenHash.equals(storedHash)) { |
| logger.debug("hashes for user '{}' do match", user.getID()); |
| return true; |
| } else { |
| logger.debug("hashes for user '{}' do not match", user.getID()); |
| if (xingLoginUserManager.autoUpdate()) { |
| logger.debug("updating an existing user from given user data"); |
| // validating with hash happens in updateUser(credentials) |
| return xingLoginUserManager.updateUser(credentials) != null; |
| } |
| } |
| |
| return false; |
| } |
| |
| } |