001/* 002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * bstefanescu 011 */ 012package org.nuxeo.ecm.webengine.jaxrs.login; 013 014import java.util.Map; 015 016import javax.security.auth.login.LoginContext; 017import javax.security.auth.login.LoginException; 018import javax.servlet.http.HttpServletRequest; 019import javax.servlet.http.HttpServletResponse; 020 021import org.nuxeo.ecm.webengine.jaxrs.BundleNotFoundException; 022import org.nuxeo.ecm.webengine.jaxrs.Utils; 023 024/** 025 * An authentication handlers that delegate the authentication to the first registered handler that knows how to 026 * authenticate. 027 * 028 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 029 */ 030public class CompositeAuthenticationHandler implements AuthenticationHandler { 031 032 protected AuthenticationHandler[] handlers; 033 034 public CompositeAuthenticationHandler(String classRefs) throws ReflectiveOperationException, 035 BundleNotFoundException { 036 handlers = Utils.newInstances(AuthenticationHandler.class, classRefs); 037 } 038 039 public CompositeAuthenticationHandler(AuthenticationHandler[] handlers) { 040 this.handlers = handlers; 041 } 042 043 @Override 044 public void init(Map<String, String> properties) { 045 // do nothing 046 } 047 048 @Override 049 public LoginContext handleAuthentication(HttpServletRequest request, HttpServletResponse response) 050 throws LoginException { 051 for (AuthenticationHandler handler : handlers) { 052 LoginContext lc = handler.handleAuthentication(request, response); 053 if (lc != null) { 054 return lc; 055 } 056 } 057 return null; 058 } 059 060}