| /* |
| * 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.policyengine; |
| |
| import com.google.gson.Gson; |
| import com.google.gson.GsonBuilder; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.ranger.authorization.hadoop.config.RangerPluginConfig; |
| import org.apache.ranger.plugin.model.RangerPolicy; |
| import org.apache.ranger.plugin.model.RangerServiceDef; |
| import org.apache.ranger.plugin.policyengine.*; |
| import org.apache.ranger.plugin.util.ServicePolicies; |
| |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.net.URL; |
| import java.nio.charset.Charset; |
| |
| public class PerfTestEngine { |
| static final Log LOG = LogFactory.getLog(PerfTestEngine.class); |
| |
| private final URL servicePoliciesFileURL; |
| private final RangerPolicyEngineOptions policyEngineOptions; |
| private final URL configFileURL; |
| private RangerPolicyEngine policyEvaluationEngine; |
| private RangerPluginContext rangerPluginContext; |
| |
| public PerfTestEngine(final URL servicePoliciesFileURL, RangerPolicyEngineOptions policyEngineOptions, URL configFileURL) { |
| this.servicePoliciesFileURL = servicePoliciesFileURL; |
| this.policyEngineOptions = policyEngineOptions; |
| this.configFileURL = configFileURL; |
| } |
| |
| public boolean init() { |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> init()"); |
| } |
| |
| boolean ret = false; |
| |
| Gson gsonBuilder = new GsonBuilder().setDateFormat("yyyyMMdd-HH:mm:ss.SSS-Z") |
| .setPrettyPrinting() |
| .create(); |
| |
| Reader reader = null; |
| ServicePolicies servicePolicies; |
| |
| try { |
| InputStream in = servicePoliciesFileURL.openStream(); |
| |
| reader = new InputStreamReader(in, Charset.forName("UTF-8")); |
| |
| servicePolicies = gsonBuilder.fromJson(reader, ServicePolicies.class); |
| RangerServiceDef serviceDef = servicePolicies.getServiceDef(); |
| String serviceType = (serviceDef != null) ? serviceDef.getName() : ""; |
| rangerPluginContext = new RangerPluginContext(new RangerPluginConfig(serviceType, null, "perf-test", null, null, policyEngineOptions)); |
| rangerPluginContext.getConfig().addResource(configFileURL); |
| policyEvaluationEngine = new RangerPolicyEngineImpl(servicePolicies, rangerPluginContext, null); |
| |
| ret = true; |
| |
| } catch (Exception excp) { |
| LOG.error("Error opening service-policies file or loading service-policies from file, URL=" + servicePoliciesFileURL, excp); |
| } finally { |
| if (reader != null) { |
| try { |
| reader.close(); |
| } catch (Exception excp) { |
| LOG.error("Error closing file", excp); |
| } |
| } |
| } |
| |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== init() : " + ret); |
| } |
| |
| return ret; |
| |
| } |
| public RangerAccessResult execute(final RangerAccessRequest request) { |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("==> execute(" + request + ")"); |
| } |
| |
| RangerAccessResult ret = null; |
| |
| if (policyEvaluationEngine != null) { |
| |
| ret = policyEvaluationEngine.evaluatePolicies(request, RangerPolicy.POLICY_TYPE_ACCESS, null); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Executed request = {" + request + "}, result={" + ret + "}"); |
| } |
| } else { |
| LOG.error("Error executing request: PolicyEngine is null!"); |
| } |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("<== execute(" + request + ") : " + ret); |
| } |
| |
| return ret; |
| } |
| |
| } |