/*
* 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.jackrabbit.servlet.login;
import javax.jcr.Credentials;
import javax.jcr.SimpleCredentials;
import javax.servlet.FilterConfig;
import javax.servlet.http.HttpServletRequest;
/**
* Login filter that relies on container authentication to provide the
* authenticated username of a request. This username is associated with
* a dummy password (empty by default, configurable through the init
* parameter "password") in a {@link SimpleCredentials} object that is
* used to log in to the underlying content repository. If no authenticated
* user is found, then <code>null</code> credentials are used.
* <p>
* It is expected that the underlying repository is configured to simply
* trust the given username. If the same repository is also made available
* for direct logins, then a special secret password that allows logins with
* any username could be configured just for this filter.
*
* @since Apache Jackrabbit 1.6
*/
public class ContainerLoginFilter extends AbstractLoginFilter {
/**
* The dummy password used for the repository login. Empty by default.
*/
private char[] password = new char[0];
public void init(FilterConfig config) {
super.init(config);
String password = config.getInitParameter("password");
if (password != null) {
this.password = password.toCharArray();
}
}
protected Credentials getCredentials(HttpServletRequest request) {
String user = request.getRemoteUser();
if (user != null) {
return new SimpleCredentials(user, password);
} else {
return null;
}
}
}