| /** |
| * 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.dataloads.extractor.stix; |
| |
| import com.google.common.base.Splitter; |
| import com.google.common.collect.Iterables; |
| import org.apache.commons.io.FileUtils; |
| import org.apache.metron.dataloads.extractor.Extractor; |
| import org.apache.metron.dataloads.extractor.stix.types.ObjectTypeHandler; |
| import org.apache.metron.dataloads.extractor.stix.types.ObjectTypeHandlers; |
| import org.apache.metron.threatintel.ThreatIntelResults; |
| import org.mitre.cybox.common_2.*; |
| import org.mitre.cybox.cybox_2.ObjectType; |
| import org.mitre.stix.common_1.IndicatorBaseType; |
| import org.mitre.stix.indicator_2.Indicator; |
| import org.mitre.stix.stix_1.STIXPackage; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class StixExtractor implements Extractor { |
| Map<String, Object> config; |
| @Override |
| public Iterable<ThreatIntelResults> extract(String line) throws IOException { |
| STIXPackage stixPackage = STIXPackage.fromXMLString(line); |
| List<ThreatIntelResults> ret = new ArrayList<>(); |
| if (stixPackage.getIndicators() != null) { |
| if (stixPackage.getIndicators().getIndicators() != null) { |
| List<IndicatorBaseType> indicators = stixPackage.getIndicators().getIndicators(); |
| int indicatorCount = indicators.size(); |
| for (int i = 0; i < indicatorCount; i++) { |
| Indicator indicator = (Indicator) indicators.get(i); |
| if (indicator.getObservable() != null) { |
| ObjectType obj = indicator.getObservable().getObject(); |
| ObjectPropertiesType props = obj.getProperties(); |
| ObjectTypeHandler handler = ObjectTypeHandlers.getHandlerByInstance(props); |
| if(handler != null) { |
| Iterables.addAll(ret, handler.extract(props, config)); |
| } |
| } |
| } |
| } |
| } |
| return ret; |
| } |
| |
| @Override |
| public void initialize(Map<String, Object> config) { |
| this.config = config; |
| } |
| |
| public static Iterable<String> split(StringObjectPropertyType value) { |
| final ConditionTypeEnum condition = value.getCondition(); |
| final ConditionApplicationEnum applyCondition = value.getApplyCondition(); |
| List<String> tokens = new ArrayList<>(); |
| if(condition == ConditionTypeEnum.EQUALS && applyCondition == ConditionApplicationEnum.ANY) { |
| String delim = value.getDelimiter(); |
| String line = value.getValue().toString(); |
| if (delim != null) { |
| for (String token : Splitter.on(delim).split(line)) { |
| tokens.add(token); |
| } |
| } else { |
| tokens.add(line); |
| } |
| } |
| return tokens; |
| } |
| public static void main(String[] args) throws IOException { |
| |
| File file = new File("/tmp/sample.xml"); |
| |
| /*if (args.length > 0) { |
| file = new File(args[0]); |
| } else { |
| try { |
| URL url = XML2Object.class.getClass().getResource( |
| "/org/mitre/stix/examples/sample.xml"); |
| file = new File(url.toURI()); |
| } catch (URISyntaxException e) { |
| throw new RuntimeException(e); |
| } |
| }*/ |
| |
| String line = FileUtils.readFileToString(file); |
| StixExtractor extractor = new StixExtractor(); |
| for(ThreatIntelResults results : extractor.extract(line)) { |
| System.out.println(results); |
| } |
| |
| } |
| } |