| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. 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. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| |
| package org.apache.roller.weblogger.ui.core.filters; |
| |
| import java.io.IOException; |
| import javax.servlet.Filter; |
| import javax.servlet.FilterChain; |
| import javax.servlet.FilterConfig; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletRequest; |
| import javax.servlet.ServletResponse; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletRequestWrapper; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.business.UserManager; |
| import org.apache.roller.weblogger.pojos.User; |
| |
| |
| /** |
| * Enable Roller's User Roles to work in CMA setup without a JDBC realm. |
| * |
| * If you're using Container Manager Authentication (CMA) and you're not using |
| * a JDBC realm that can add the User Roles defined by Roller, then you can |
| * use this class to ensure that the request Role methods operate against the |
| * User Roles as defined by Roller's User Manager. |
| */ |
| public class RoleAssignmentFilter implements Filter { |
| |
| private static Log log = LogFactory.getLog(RoleAssignmentFilter.class); |
| |
| public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) |
| throws IOException, ServletException { |
| HttpServletRequest request = (HttpServletRequest) req; |
| log.debug("Entered "+request.getRequestURI()); |
| chain.doFilter(new RoleAssignmentRequestWrapper(request), res); |
| log.debug("Exiting "+request.getRequestURI()); |
| } |
| |
| |
| @Override |
| public void init(FilterConfig filterConfig) throws ServletException {} |
| |
| @Override |
| public void destroy() {} |
| } |
| |
| |
| class RoleAssignmentRequestWrapper extends HttpServletRequestWrapper { |
| private static Log log = LogFactory.getLog(RoleAssignmentRequestWrapper.class); |
| |
| public RoleAssignmentRequestWrapper(HttpServletRequest request) { |
| super(request); |
| } |
| |
| @Override |
| public boolean isUserInRole(String roleName) { |
| UserManager umgr = WebloggerFactory.getWeblogger().getUserManager(); |
| if (getUserPrincipal() != null) { |
| try { |
| User user = umgr.getUserByUserName(getUserPrincipal().getName(), Boolean.TRUE); |
| return umgr.hasRole(roleName, user); |
| } catch (WebloggerException ex) { |
| log.error("ERROR checking user rile", ex); |
| } |
| } |
| return false; |
| } |
| } |
| |