/*
* 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.replication.transport.authentication.impl;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import org.apache.sling.jcr.api.SlingRepository;
import org.apache.sling.replication.transport.authentication.TransportAuthenticationContext;
import org.apache.sling.replication.transport.authentication.TransportAuthenticationException;
import org.apache.sling.replication.transport.authentication.TransportAuthenticationProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RepositoryTransportAuthenticationProvider implements TransportAuthenticationProvider<SlingRepository, Session> {
private final Logger log = LoggerFactory.getLogger(getClass());
private final String serviceName;
public RepositoryTransportAuthenticationProvider(String serviceName) {
this.serviceName = serviceName;
}
public boolean canAuthenticate(Class authenticable) {
return SlingRepository.class.isAssignableFrom(authenticable);
}
public Session authenticate(SlingRepository authenticable, TransportAuthenticationContext context)
throws TransportAuthenticationException {
String path = context.getAttribute("path", String.class);
String privilege = context.getAttribute("privilege", String.class);
if (path == null) {
throw new TransportAuthenticationException(
"the path to authenticate is missing from the context");
}
Session session = null;
try {
session = authenticable.loginService(serviceName, null);
if (session == null) {
throw new TransportAuthenticationException("failed to authenticate" + path);
}
if (!session.hasPermission(path, privilege)) {
session.logout();
throw new TransportAuthenticationException("failed to access path " + path + " with privilege " + privilege);
}
log.info("authenticated path {} with privilege {}", path, privilege);
return session;
} catch (RepositoryException re) {
if (session != null) {
session.logout();
}
throw new TransportAuthenticationException(re);
}
}
}