| /** |
| * 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.metron.enrichment.adapters.threatintel; |
| |
| import com.google.common.collect.Iterables; |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.lang.invoke.MethodHandles; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.hadoop.hbase.client.Connection; |
| import org.apache.metron.enrichment.cache.CacheKey; |
| import org.apache.metron.enrichment.converter.EnrichmentKey; |
| import org.apache.metron.enrichment.interfaces.EnrichmentAdapter; |
| import org.apache.metron.enrichment.lookup.EnrichmentLookup; |
| import org.apache.metron.enrichment.lookup.accesstracker.BloomAccessTracker; |
| import org.apache.metron.enrichment.lookup.accesstracker.PersistentAccessTracker; |
| import org.apache.metron.enrichment.utils.EnrichmentUtils; |
| import org.json.simple.JSONObject; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ThreatIntelAdapter implements EnrichmentAdapter<CacheKey>,Serializable { |
| protected static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| protected ThreatIntelConfig config; |
| protected EnrichmentLookup lookup; |
| protected Connection connection; |
| |
| public ThreatIntelAdapter() { |
| } |
| public ThreatIntelAdapter(ThreatIntelConfig config) { |
| withConfig(config); |
| } |
| |
| public ThreatIntelAdapter withConfig(ThreatIntelConfig config) { |
| this.config = config; |
| return this; |
| } |
| |
| @Override |
| public void logAccess(CacheKey value) { |
| List<String> enrichmentTypes = value.getConfig().getThreatIntel().getFieldToTypeMap().get(value.getField()); |
| if(enrichmentTypes != null) { |
| for(String enrichmentType : enrichmentTypes) { |
| lookup.getAccessTracker().logAccess(new EnrichmentKey(enrichmentType, value.coerceValue(String.class))); |
| } |
| } |
| } |
| |
| |
| @Override |
| public JSONObject enrich(CacheKey value) { |
| if(!isInitialized()) { |
| initializeAdapter(null); |
| } |
| JSONObject enriched = new JSONObject(); |
| List<String> enrichmentTypes = value.getConfig() |
| .getThreatIntel().getFieldToTypeMap() |
| .get(EnrichmentUtils.toTopLevelField(value.getField())); |
| if(isInitialized() && enrichmentTypes != null) { |
| int i = 0; |
| try { |
| for (Boolean isThreat : |
| lookup.exists(Iterables.transform(enrichmentTypes |
| , new EnrichmentUtils.TypeToKey(value.coerceValue(String.class) |
| , lookup.getTable() |
| , value.getConfig().getThreatIntel() |
| ) |
| ) |
| , false |
| ) |
| ) |
| { |
| String enrichmentType = enrichmentTypes.get(i++); |
| if (isThreat) { |
| enriched.put(enrichmentType, "alert"); |
| LOG.trace("Theat Intel Enriched value => {}", enriched); |
| } |
| } |
| } |
| catch(IOException e) { |
| LOG.error("Unable to retrieve value: {}", e.getMessage(), e); |
| initializeAdapter(null); |
| throw new RuntimeException("Theat Intel Unable to retrieve value", e); |
| } |
| } |
| LOG.trace("Threat Intel Enrichment Success: {}", enriched); |
| return enriched; |
| } |
| |
| public boolean isInitialized() { |
| return lookup != null && lookup.getTable() != null; |
| } |
| |
| @Override |
| public boolean initializeAdapter(Map<String, Object> configuration) { |
| PersistentAccessTracker accessTracker; |
| String hbaseTable = config.getHBaseTable(); |
| int expectedInsertions = config.getExpectedInsertions(); |
| double falsePositives = config.getFalsePositiveRate(); |
| String trackerHBaseTable = config.getTrackerHBaseTable(); |
| String trackerHBaseCF = config.getTrackerHBaseCF(); |
| long millisecondsBetweenPersist = config.getMillisecondsBetweenPersists(); |
| BloomAccessTracker bat = new BloomAccessTracker(hbaseTable, expectedInsertions, falsePositives); |
| Configuration hbaseConfig = HBaseConfiguration.create(); |
| try { |
| accessTracker = new PersistentAccessTracker( hbaseTable |
| , UUID.randomUUID().toString() |
| , config.getProvider().getTable(hbaseConfig, trackerHBaseTable) |
| , trackerHBaseCF |
| , bat |
| , millisecondsBetweenPersist |
| ); |
| lookup = new EnrichmentLookup(config.getProvider().getTable(hbaseConfig, hbaseTable), config.getHBaseCF(), accessTracker); |
| } catch (IOException e) { |
| LOG.error("Unable to initialize ThreatIntelAdapter", e); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void updateAdapter(Map<String, Object> config) { |
| } |
| |
| @Override |
| public void cleanup() { |
| try { |
| lookup.close(); |
| } catch (Exception e) { |
| throw new RuntimeException("Unable to cleanup access tracker", e); |
| } |
| } |
| |
| @Override |
| public String getOutputPrefix(CacheKey value) { |
| return value.getField(); |
| } |
| } |