001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.nuxeo.ecm.platform.ui.web.auth.service; 017 018import java.io.IOException; 019import java.util.ArrayList; 020import java.util.List; 021 022import javax.servlet.FilterChain; 023import javax.servlet.ServletException; 024import javax.servlet.ServletRequest; 025import javax.servlet.ServletResponse; 026 027import org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter; 028import org.nuxeo.ecm.platform.ui.web.auth.interfaces.NuxeoAuthPreFilter; 029 030public class NuxeoAuthFilterChain implements FilterChain { 031 032 protected List<NuxeoAuthPreFilter> preFilters = new ArrayList<NuxeoAuthPreFilter>(); 033 034 protected NuxeoAuthenticationFilter mainFilter; 035 036 protected FilterChain standardFilterChain; 037 038 public NuxeoAuthFilterChain(List<NuxeoAuthPreFilter> preFilters, FilterChain standardFilterChain, 039 NuxeoAuthenticationFilter mainFilter) { 040 this.preFilters.addAll(preFilters); 041 this.mainFilter = mainFilter; 042 this.standardFilterChain = standardFilterChain; 043 } 044 045 @Override 046 public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException { 047 if (preFilters != null && !preFilters.isEmpty()) { 048 NuxeoAuthPreFilter preFilter = preFilters.remove(0); 049 preFilter.doFilter(request, response, this); 050 } else { 051 mainFilter.doFilterInternal(request, response, standardFilterChain); 052 } 053 } 054 055}