001/* 002 * (C) Copyright 2006-2011 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 * 016 * Contributors: 017 * bstefanescu 018 */ 019package org.nuxeo.ecm.webengine.jaxrs.login; 020 021import java.util.Map; 022 023import javax.security.auth.login.LoginContext; 024import javax.security.auth.login.LoginException; 025import javax.servlet.http.HttpServletRequest; 026import javax.servlet.http.HttpServletResponse; 027 028import org.nuxeo.ecm.webengine.jaxrs.BundleNotFoundException; 029import org.nuxeo.ecm.webengine.jaxrs.Utils; 030 031/** 032 * An authentication handlers that delegate the authentication to the first registered handler that knows how to 033 * authenticate. 034 * 035 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 036 */ 037public class CompositeAuthenticationHandler implements AuthenticationHandler { 038 039 protected AuthenticationHandler[] handlers; 040 041 public CompositeAuthenticationHandler(String classRefs) throws ReflectiveOperationException, 042 BundleNotFoundException { 043 handlers = Utils.newInstances(AuthenticationHandler.class, classRefs); 044 } 045 046 public CompositeAuthenticationHandler(AuthenticationHandler[] handlers) { 047 this.handlers = handlers; 048 } 049 050 @Override 051 public void init(Map<String, String> properties) { 052 // do nothing 053 } 054 055 @Override 056 public LoginContext handleAuthentication(HttpServletRequest request, HttpServletResponse response) 057 throws LoginException { 058 for (AuthenticationHandler handler : handlers) { 059 LoginContext lc = handler.handleAuthentication(request, response); 060 if (lc != null) { 061 return lc; 062 } 063 } 064 return null; 065 } 066 067}