Java tutorial
/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited * * 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 org.acegisecurity.providers.cas.proxy; import org.acegisecurity.AcegiMessageSource; import org.acegisecurity.providers.cas.CasProxyDecider; import org.acegisecurity.providers.cas.ProxyUntrustedException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.InitializingBean; import org.springframework.context.MessageSource; import org.springframework.context.MessageSourceAware; import org.springframework.context.support.MessageSourceAccessor; import org.springframework.util.Assert; import java.util.List; /** * Accepts proxied requests if the closest proxy is named in the <code>validProxies</code> list.<P>Also accepts the * request if there was no proxy (ie the user directly authenticated against this service).</p> */ public class NamedCasProxyDecider implements CasProxyDecider, InitializingBean, MessageSourceAware { //~ Static fields/initializers ===================================================================================== private static final Log logger = LogFactory.getLog(NamedCasProxyDecider.class); //~ Instance fields ================================================================================================ private List validProxies; protected MessageSourceAccessor messages = AcegiMessageSource.getAccessor(); //~ Methods ======================================================================================================== public void afterPropertiesSet() throws Exception { Assert.notNull(this.validProxies, "A validProxies list must be set"); Assert.notNull(this.messages, "A message source must be set"); } public void confirmProxyListTrusted(List proxyList) throws ProxyUntrustedException { Assert.notNull(proxyList, "proxyList cannot be null"); if (logger.isDebugEnabled()) { logger.debug("Proxy list: " + proxyList.toString()); } if (proxyList.size() == 0) { // A Service Ticket (not a Proxy Ticket) return; } if (!validProxies.contains(proxyList.get(0))) { throw new ProxyUntrustedException(messages.getMessage("NamedCasProxyDecider.untrusted", new Object[] { proxyList.get(0) }, "Nearest proxy {0} is untrusted")); } } public List getValidProxies() { return validProxies; } public void setMessageSource(MessageSource messageSource) { this.messages = new MessageSourceAccessor(messageSource); } public void setValidProxies(List validProxies) { this.validProxies = validProxies; } }