001/* 002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Nuxeo - initial API and implementation 016 */ 017 018package org.nuxeo.ecm.platform.ui.web.auth.interfaces; 019 020import java.io.IOException; 021 022import javax.servlet.FilterChain; 023import javax.servlet.ServletException; 024import javax.servlet.ServletRequest; 025import javax.servlet.ServletResponse; 026 027/** 028 * The Authentication filter already provides a complex plugin model. Unfortunately in some cases, it's easier to have a 029 * dedicated filter to implement the custom auth logic. But in this case, you have to configure the new filter for each 030 * url pattern that is already protected by NuxeoAuthenticationFilter. 031 * <p> 032 * In order to avoid that you can run your Filter as a pre-Filter for the NuxeoAuthenticationFilter. For that you need 033 * to implement this interface and register your implementation via the preFilter extension point. 034 * 035 * @author tiry 036 */ 037public interface NuxeoAuthPreFilter { 038 039 /** 040 * Main Filter method {@see Filter}. The FilterChain is only composed of the preFilters and the 041 * NuxeoAuthenticationFilter 042 * 043 * @see FilterChain 044 */ 045 void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, 046 ServletException; 047 048}