| /* |
| * 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.ranger.plugin.contextenricher; |
| |
| import org.apache.ranger.plugin.model.RangerPolicy; |
| import org.apache.ranger.plugin.model.RangerServiceDef; |
| import org.apache.ranger.plugin.model.RangerServiceResource; |
| import org.apache.ranger.plugin.policyengine.RangerAccessResource; |
| import org.apache.ranger.plugin.policyresourcematcher.RangerPolicyResourceMatcher; |
| import org.apache.ranger.plugin.policyresourcematcher.RangerPolicyResourceEvaluator; |
| import org.apache.ranger.plugin.resourcematcher.RangerResourceMatcher; |
| import org.apache.ranger.plugin.util.ServiceDefUtil; |
| |
| import java.io.Serializable; |
| import java.util.Comparator; |
| import java.util.Map; |
| |
| public class RangerServiceResourceMatcher implements RangerPolicyResourceEvaluator { |
| public static final Comparator<RangerServiceResourceMatcher> ID_COMPARATOR = new IdComparator(); |
| |
| private final RangerServiceResource serviceResource; |
| private final RangerPolicyResourceMatcher policyResourceMatcher; |
| private RangerServiceDef.RangerResourceDef leafResourceDef; |
| |
| public RangerServiceResourceMatcher(final RangerServiceResource serviceResource, RangerPolicyResourceMatcher policyResourceMatcher) { |
| this.serviceResource = serviceResource; |
| this.policyResourceMatcher = policyResourceMatcher; |
| this.leafResourceDef = ServiceDefUtil.getLeafResourceDef(policyResourceMatcher.getServiceDef(), getPolicyResource()); |
| } |
| |
| public RangerServiceResource getServiceResource() { return serviceResource; } |
| |
| @Override |
| public long getId() { |
| return serviceResource != null ? serviceResource.getId() :-1; |
| } |
| |
| @Override |
| public RangerPolicyResourceMatcher getPolicyResourceMatcher() { return policyResourceMatcher; } |
| |
| @Override |
| public Map<String, RangerPolicy.RangerPolicyResource> getPolicyResource() { |
| return serviceResource != null ? serviceResource.getResourceElements() : null; |
| } |
| |
| @Override |
| public RangerResourceMatcher getResourceMatcher(String resourceName) { |
| return policyResourceMatcher != null ? policyResourceMatcher.getResourceMatcher(resourceName) : null; |
| } |
| |
| @Override |
| public boolean isAncestorOf(RangerServiceDef.RangerResourceDef resourceDef) { |
| return ServiceDefUtil.isAncestorOf(policyResourceMatcher.getServiceDef(), leafResourceDef, resourceDef); |
| } |
| |
| public RangerPolicyResourceMatcher.MatchType getMatchType(RangerAccessResource requestedResource, Map<String, Object> evalContext) { |
| return policyResourceMatcher != null ? policyResourceMatcher.getMatchType(requestedResource, evalContext) : RangerPolicyResourceMatcher.MatchType.NONE; |
| } |
| |
| static class IdComparator implements Comparator<RangerServiceResourceMatcher>, Serializable { |
| @Override |
| public int compare(RangerServiceResourceMatcher me, RangerServiceResourceMatcher other) { |
| return Long.compare(me.getId(), other.getId()); |
| } |
| } |
| } |