| /** |
| * 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.felix.useradmin.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.osgi.service.useradmin.Authorization; |
| import org.osgi.service.useradmin.Role; |
| import org.osgi.service.useradmin.User; |
| |
| /** |
| * Provides an implementation for {@link Authorization}. |
| */ |
| public class AuthorizationImpl implements Authorization { |
| |
| private final String m_name; |
| private final User m_user; |
| private final RoleRepository m_roleManager; |
| private final RoleChecker m_roleChecker; |
| |
| /** |
| * Creates a new {@link AuthorizationImpl} instance for the given {@link User}. |
| * |
| * @param roleManager the role manager to use for obtaining the roles, cannot be <code>null</code>. |
| */ |
| public AuthorizationImpl(RoleRepository roleManager) { |
| this(null, roleManager); |
| } |
| |
| /** |
| * Creates a new {@link AuthorizationImpl} instance for the given {@link User}. |
| * |
| * @param user the {@link User} to authorize, may be <code>null</code> for the anonymous user; |
| * @param roleManager the role manager to use for obtaining the roles, cannot be <code>null</code>. |
| */ |
| public AuthorizationImpl(User user, RoleRepository roleManager) { |
| m_user = user; |
| m_roleManager = roleManager; |
| m_name = (user != null) ? user.getName() : null; |
| m_roleChecker = new RoleChecker(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getName() { |
| return m_name; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean hasRole(String name) { |
| Role role = m_roleManager.getRoleByName(name); |
| if (role == null) { |
| // No role found, so it is never implied... |
| return false; |
| } |
| return m_roleChecker.isImpliedBy(role, m_user); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String[] getRoles() { |
| List result = new ArrayList(); |
| |
| Iterator rolesIter = m_roleManager.getRoles(null /* filter */).iterator(); |
| while (rolesIter.hasNext()) { |
| Role role = (Role) rolesIter.next(); |
| if (!Role.USER_ANYONE.equals(role.getName()) && m_roleChecker.isImpliedBy(role, m_user)) { |
| result.add(role.getName()); |
| } |
| } |
| |
| return result.isEmpty() ? null : (String[]) result.toArray(new String[result.size()]); |
| } |
| } |