| /* |
| * 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.policyevaluator; |
| |
| |
| |
| import org.apache.commons.collections.CollectionUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.ranger.plugin.model.RangerPolicy; |
| import org.apache.ranger.plugin.model.RangerServiceDef; |
| import org.apache.ranger.plugin.policyengine.RangerPolicyEngineOptions; |
| import org.apache.ranger.plugin.policyengine.RangerAccessRequest; |
| import org.apache.ranger.plugin.policyresourcematcher.RangerPolicyResourceEvaluator; |
| import org.apache.ranger.plugin.util.ServiceDefUtil; |
| |
| |
| import java.util.Map; |
| |
| |
| public abstract class RangerAbstractPolicyEvaluator implements RangerPolicyEvaluator { |
| private static final Log LOG = LogFactory.getLog(RangerAbstractPolicyEvaluator.class); |
| |
| private RangerPolicy policy = null; |
| private RangerServiceDef serviceDef = null; |
| private Integer leafResourceLevel = null; |
| private int evalOrder = 0; |
| |
| |
| @Override |
| public void init(RangerPolicy policy, RangerServiceDef serviceDef, RangerPolicyEngineOptions options) { |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("==> RangerAbstractPolicyEvaluator.init(" + policy + ", " + serviceDef + ")"); |
| } |
| |
| this.policy = policy; |
| this.serviceDef = serviceDef; |
| this.leafResourceLevel = ServiceDefUtil.getLeafResourceLevel(serviceDef, getPolicyResource()); |
| |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("<== RangerAbstractPolicyEvaluator.init(" + policy + ", " + serviceDef + ")"); |
| } |
| } |
| |
| @Override |
| public long getId() { |
| return policy != null ? policy.getId() :-1; |
| } |
| |
| @Override |
| public Map<String, RangerPolicy.RangerPolicyResource> getPolicyResource() { |
| return policy !=null ? policy.getResources() : null; |
| } |
| |
| @Override |
| public RangerPolicy getPolicy() { |
| return policy; |
| } |
| |
| @Override |
| public RangerServiceDef getServiceDef() { |
| return serviceDef; |
| } |
| |
| @Override |
| public Integer getLeafResourceLevel() { |
| return leafResourceLevel; |
| } |
| |
| |
| @Override |
| public int getEvalOrder() { |
| return evalOrder; |
| } |
| |
| @Override |
| public boolean isAuditEnabled() { |
| return policy != null && policy.getIsAuditEnabled(); |
| } |
| |
| @Override |
| public int compareTo(RangerPolicyResourceEvaluator obj) { |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("==> RangerAbstractPolicyEvaluator.compareTo()"); |
| } |
| |
| int result; |
| |
| if(obj instanceof RangerPolicyEvaluator) { |
| RangerPolicyEvaluator other = (RangerPolicyEvaluator)obj; |
| |
| result = Integer.compare(this.getEvalOrder(), other.getEvalOrder()); |
| |
| if (result == 0) { |
| result = Integer.compare(getCustomConditionsCount(), other.getCustomConditionsCount()); |
| } |
| } else { |
| result = Long.compare(getId(), obj.getId()); |
| } |
| |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("<== RangerAbstractPolicyEvaluator.compareTo(), result:" + result); |
| } |
| |
| return result; |
| } |
| |
| public void setEvalOrder(int evalOrder) { |
| this.evalOrder = evalOrder; |
| } |
| |
| public boolean hasAllow() { |
| return policy != null && CollectionUtils.isNotEmpty(policy.getPolicyItems()); |
| } |
| |
| protected boolean hasMatchablePolicyItem(RangerAccessRequest request) { |
| return hasAllow(); |
| } |
| |
| @Override |
| public String toString( ) { |
| StringBuilder sb = new StringBuilder(); |
| |
| toString(sb); |
| |
| return sb.toString(); |
| } |
| |
| public StringBuilder toString(StringBuilder sb) { |
| sb.append("RangerAbstractPolicyEvaluator={"); |
| |
| sb.append("policy={").append(policy).append("} "); |
| sb.append("serviceDef={").append(serviceDef).append("} "); |
| |
| sb.append("}"); |
| |
| return sb; |
| } |
| } |