SpoofShibbolethFilter.java

/**
 * Copyright 2008 The University of North Carolina at Chapel Hill
 *
 * 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 edu.unc.lib.dl.acl.filter;

import java.io.IOException;

import javax.annotation.PostConstruct;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.context.ServletContextAware;
import org.springframework.web.filter.OncePerRequestFilter;

/**
 * Filter which enables shibboleth header spoofing for testing purposes
 * 
 * @author bbpennel
 *
 */
public class SpoofShibbolethFilter extends OncePerRequestFilter implements ServletContextAware {
	private static final Logger log = LoggerFactory.getLogger(SpoofShibbolethFilter.class);
	
	private boolean spoofEnabled = false;
	
	@PostConstruct
	public void init() {
		if (spoofEnabled) {
			log.warn("****Warning: Application started with spoofing filter enabled****");
		}
	}

	@Override
	protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
			throws ServletException, IOException {
		if (spoofEnabled) {
			filterChain.doFilter(new SpoofShibbolethRequestWrapper(request), response);
		} else {
			filterChain.doFilter(request, response);
		}
	}

	public boolean isSpoofEnabled() {
		return spoofEnabled;
	}

	public void setSpoofEnabled(boolean spoofEnabled) {
		this.spoofEnabled = spoofEnabled;
	}
}