| /* |
| * 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.lenya.cms.ac; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| import org.apache.avalon.framework.logger.Logger; |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.avalon.framework.service.ServiceManager; |
| import org.apache.avalon.framework.service.ServiceSelector; |
| import org.apache.cocoon.environment.Request; |
| import org.apache.lenya.ac.AccessControlException; |
| import org.apache.lenya.ac.AccessController; |
| import org.apache.lenya.ac.AccessControllerResolver; |
| import org.apache.lenya.ac.AccreditableManager; |
| import org.apache.lenya.ac.Identity; |
| import org.apache.lenya.ac.PolicyManager; |
| import org.apache.lenya.ac.Role; |
| import org.apache.lenya.ac.User; |
| import org.apache.lenya.ac.UserManager; |
| |
| /** |
| * Policy utility class. |
| */ |
| public final class PolicyUtil { |
| |
| /** |
| * Fetches the stored roles from the request. |
| * @param request The request. |
| * @return A role array. |
| * @throws AccessControlException If the request does not contain the roles |
| * list. |
| */ |
| public static final Role[] getRoles(Request request) throws AccessControlException { |
| List roleList = (List) request.getAttribute(Role.class.getName()); |
| |
| if (roleList == null) { |
| StringBuffer buf = new StringBuffer(); |
| buf.append(" URI: [" + request.getRequestURI() + "]\n"); |
| for (Enumeration e = request.getParameterNames(); e.hasMoreElements();) { |
| String key = (String) e.nextElement(); |
| buf.append(" Parameter: [" + key + "] = [" + request.getParameter(key) + "]\n"); |
| } |
| |
| throw new AccessControlException("Request [" + request + "] does not contain roles: \n" |
| + buf.toString()); |
| } |
| |
| Role[] roles = (Role[]) roleList.toArray(new Role[roleList.size()]); |
| return roles; |
| } |
| |
| /** |
| * @param manager The service manager. |
| * @param webappUrl The web application URL. |
| * @param userId The user ID. |
| * @param logger The logger. |
| * @return A user. |
| * @throws AccessControlException if an error occurs. |
| */ |
| public static final User getUser(ServiceManager manager, String webappUrl, |
| String userId, Logger logger) throws AccessControlException { |
| ServiceSelector selector = null; |
| AccessControllerResolver resolver = null; |
| AccessController controller = null; |
| try { |
| selector = (ServiceSelector) manager.lookup(AccessControllerResolver.ROLE + "Selector"); |
| resolver = (AccessControllerResolver) selector |
| .select(AccessControllerResolver.DEFAULT_RESOLVER); |
| controller = resolver.resolveAccessController(webappUrl); |
| |
| AccreditableManager accreditableManager = controller.getAccreditableManager(); |
| UserManager userManager = accreditableManager.getUserManager(); |
| |
| return userManager.getUser(userId); |
| } catch (ServiceException e) { |
| throw new AccessControlException(e); |
| } finally { |
| if (selector != null) { |
| if (resolver != null) { |
| if (controller != null) { |
| resolver.release(controller); |
| } |
| selector.release(resolver); |
| } |
| manager.release(selector); |
| } |
| } |
| |
| } |
| |
| /** |
| * @param manager The service manager. |
| * @param webappUrl The web application URL. |
| * @param role The ID of the role. |
| * @param logger The logger to use. |
| * @return All users which have the role on this URL. |
| * @throws AccessControlException if an error occurs. |
| */ |
| public static final User[] getUsersWithRole(ServiceManager manager, String webappUrl, |
| String role, Logger logger) throws AccessControlException { |
| ServiceSelector selector = null; |
| AccessControllerResolver resolver = null; |
| AccessController controller = null; |
| try { |
| selector = (ServiceSelector) manager.lookup(AccessControllerResolver.ROLE + "Selector"); |
| resolver = (AccessControllerResolver) selector |
| .select(AccessControllerResolver.DEFAULT_RESOLVER); |
| controller = resolver.resolveAccessController(webappUrl); |
| |
| AccreditableManager accreditableManager = controller.getAccreditableManager(); |
| UserManager userManager = accreditableManager.getUserManager(); |
| User[] users = userManager.getUsers(); |
| List usersWithRole = new ArrayList(); |
| PolicyManager policyManager = controller.getPolicyManager(); |
| |
| Role roleObject = accreditableManager.getRoleManager().getRole(role); |
| |
| for (int i = 0; i < users.length; i++) { |
| Identity identity = new Identity(logger); |
| identity.addIdentifiable(users[i]); |
| Role[] roles = policyManager.getGrantedRoles(accreditableManager, identity, |
| webappUrl); |
| if (Arrays.asList(roles).contains(roleObject)) { |
| usersWithRole.add(users[i]); |
| } |
| } |
| |
| return (User[]) usersWithRole.toArray(new User[usersWithRole.size()]); |
| } catch (ServiceException e) { |
| throw new AccessControlException(e); |
| } finally { |
| if (selector != null) { |
| if (resolver != null) { |
| if (controller != null) { |
| resolver.release(controller); |
| } |
| selector.release(resolver); |
| } |
| manager.release(selector); |
| } |
| } |
| } |
| |
| } |