| /* |
| * 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.sentry.policy.engine.common; |
| |
| import com.google.common.collect.ImmutableSet; |
| import org.apache.sentry.core.common.ActiveRoleSet; |
| import org.apache.sentry.core.common.Authorizable; |
| import org.apache.sentry.core.common.exception.SentryConfigurationException; |
| import org.apache.sentry.policy.common.PolicyEngine; |
| import org.apache.sentry.policy.common.Privilege; |
| import org.apache.sentry.policy.common.PrivilegeFactory; |
| import org.apache.sentry.provider.common.ProviderBackend; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Set; |
| |
| public class CommonPolicyEngine implements PolicyEngine { |
| |
| private static final Logger LOGGER = LoggerFactory |
| .getLogger(CommonPolicyEngine.class); |
| |
| private final ProviderBackend providerBackend; |
| |
| public CommonPolicyEngine(ProviderBackend providerBackend) { |
| this.providerBackend = providerBackend; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public PrivilegeFactory getPrivilegeFactory() { |
| return new CommonPrivilegeFactory(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public ImmutableSet<String> getAllPrivileges(Set<String> groups, |
| ActiveRoleSet roleSet) throws SentryConfigurationException { |
| return getPrivileges(groups, roleSet); |
| } |
| |
| @Override |
| public ImmutableSet<String> getAllPrivileges(Set<String> groups, Set<String> users, |
| ActiveRoleSet roleSet) throws SentryConfigurationException { |
| return getPrivileges(groups, users, roleSet); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public ImmutableSet<String> getPrivileges(Set<String> groups, ActiveRoleSet roleSet, Authorizable... authorizableHierarchy) |
| throws SentryConfigurationException { |
| if(LOGGER.isDebugEnabled()) { |
| LOGGER.debug("Getting permissions for {}", groups); |
| } |
| |
| ImmutableSet<String> result = providerBackend.getPrivileges(groups, roleSet, authorizableHierarchy); |
| if(LOGGER.isDebugEnabled()) { |
| LOGGER.debug("result = " + result); |
| } |
| return result; |
| } |
| |
| @Override |
| public ImmutableSet<String> getPrivileges(Set<String> groups, Set<String> users, ActiveRoleSet roleSet, |
| Authorizable... authorizableHierarchy) throws SentryConfigurationException { |
| if (LOGGER.isDebugEnabled()) { |
| LOGGER.debug("Getting permissions for groups: {}, users: {}", groups, users); |
| } |
| ImmutableSet<String> result = providerBackend.getPrivileges(groups, users, roleSet, authorizableHierarchy); |
| if (LOGGER.isDebugEnabled()) { |
| LOGGER.debug("result = " + result); |
| } |
| return result; |
| } |
| |
| @Override |
| public ImmutableSet<Privilege> getPrivilegeObjects(Set<String> groups, Set<String> users, |
| ActiveRoleSet roleSet, Authorizable... authorizableHierarchy) |
| throws SentryConfigurationException { |
| if (LOGGER.isDebugEnabled()) { |
| LOGGER.debug("Getting permissions for groups: {}, users: {}", groups, users); |
| } |
| ImmutableSet<Privilege> result = providerBackend.getPrivilegeObjects(groups, users, roleSet, authorizableHierarchy); |
| if (LOGGER.isDebugEnabled()) { |
| LOGGER.debug("result = " + result); |
| } |
| return result; |
| } |
| |
| @Override |
| public void validatePolicy(boolean strictValidation) throws SentryConfigurationException { |
| this.providerBackend.validatePolicy(strictValidation); |
| } |
| |
| @Override |
| public void close() { |
| if (providerBackend != null) { |
| providerBackend.close(); |
| } |
| } |
| } |