| /* |
| * 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.empire.struts2.interceptors; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.empire.struts2.action.ActionAccessValidator; |
| |
| import com.opensymphony.xwork2.ActionInvocation; |
| import com.opensymphony.xwork2.ActionProxy; |
| |
| |
| @SuppressWarnings("serial") |
| public class ActionAccessInterceptor extends InterceptorSupport |
| { |
| // Logger |
| @SuppressWarnings("hiding") |
| protected static Logger log = LoggerFactory.getLogger(ActionAccessInterceptor.class); |
| |
| private String loginAction = null; |
| |
| private String accessDeniedAction = null; |
| |
| public void setLoginAction(String loginAction) |
| { |
| this.loginAction = loginAction; |
| } |
| |
| public void setAccessDeniedAction(String accessDeniedAction) |
| { |
| this.accessDeniedAction = accessDeniedAction; |
| } |
| |
| @Override |
| public String intercept(ActionInvocation invocation) throws Exception |
| { |
| // Set the action object to the HttpRequest |
| Object action = invocation.getAction(); |
| // Check Login |
| if (action instanceof ActionAccessValidator) |
| { |
| // Check wether login is required |
| if (loginAction!=null && ((ActionAccessValidator)action).loginRequired()) |
| { // Log Info |
| if (log.isWarnEnabled()) |
| log.warn("Access to action " + action.getClass().getName() + " requires user login. Redirecting to " + loginAction); |
| // redirect to login page |
| return redirect(loginAction, true); |
| } |
| // Check user has access to the action and the desired method |
| if (accessDeniedAction!=null) |
| { |
| ActionProxy proxy = invocation.getProxy(); |
| if (((ActionAccessValidator)action).hasAccess(proxy.getMethod())==false) |
| { // Log Info |
| if (log.isWarnEnabled()) |
| log.warn("Access to action " + action.getClass().getName() + " method " + proxy.getMethod() + " has been denied. Redirecting to " + accessDeniedAction); |
| // redirect to Access Denied page |
| return redirect(accessDeniedAction, true); |
| } |
| } |
| } |
| // Call base |
| return invocation.invoke(); |
| } |
| } |