| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.activemq.web.handler; |
| |
| import java.util.Arrays; |
| import java.util.UUID; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| import org.apache.activemq.web.DestinationFacade; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.web.bind.ServletRequestDataBinder; |
| import org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping; |
| import org.springframework.web.servlet.HandlerExecutionChain; |
| |
| /** |
| * |
| */ |
| public class BindingBeanNameUrlHandlerMapping extends BeanNameUrlHandlerMapping { |
| private static final transient Logger LOG = LoggerFactory.getLogger(BindingBeanNameUrlHandlerMapping.class); |
| |
| protected Object getHandlerInternal(HttpServletRequest request) throws Exception { |
| Object object = super.getHandlerInternal(request); |
| |
| if (object instanceof String) { |
| String handlerName = (String) object; |
| object = getApplicationContext().getBean(handlerName); |
| } |
| if (object instanceof HandlerExecutionChain) { |
| HandlerExecutionChain handlerExecutionChain = (HandlerExecutionChain) object; |
| object = handlerExecutionChain.getHandler(); |
| } |
| |
| if (object != null) { |
| // prevent CSRF attacks |
| if (object instanceof DestinationFacade) { |
| // check supported methods |
| if (!Arrays.asList(((DestinationFacade)object).getSupportedHttpMethods()).contains(request.getMethod())) { |
| throw new UnsupportedOperationException("Unsupported method " + request.getMethod() + " for path " + request.getRequestURI()); |
| } |
| // check the 'secret' |
| if (!request.getSession().getAttribute("secret").equals(request.getParameter("secret"))) { |
| throw new UnsupportedOperationException("Possible CSRF attack"); |
| } |
| } |
| |
| |
| ServletRequestDataBinder binder = new ServletRequestDataBinder(object, "request"); |
| try { |
| binder.bind(request); |
| binder.setIgnoreUnknownFields(true); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Bound POJO is now: " + object); |
| } |
| } |
| catch (Exception e) { |
| LOG.warn("Caught: " + e, e); |
| throw e; |
| } |
| } |
| |
| return object; |
| } |
| } |