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src/main/java/org/opensearch/securityanalytics/threatIntel/iocscan/dao/IocMatchService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| package org.opensearch.securityanalytics.threatIntel.iocscan.dao; | ||
|
|
||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
| import org.opensearch.ResourceAlreadyExistsException; | ||
| import org.opensearch.action.DocWriteRequest; | ||
| import org.opensearch.action.admin.indices.create.CreateIndexRequest; | ||
| import org.opensearch.action.bulk.BulkRequest; | ||
| import org.opensearch.action.bulk.BulkResponse; | ||
| import org.opensearch.action.index.IndexRequest; | ||
| import org.opensearch.action.support.GroupedActionListener; | ||
| import org.opensearch.action.support.WriteRequest; | ||
| import org.opensearch.client.Client; | ||
| import org.opensearch.cluster.service.ClusterService; | ||
| import org.opensearch.common.xcontent.XContentFactory; | ||
| import org.opensearch.core.action.ActionListener; | ||
| import org.opensearch.core.rest.RestStatus; | ||
| import org.opensearch.core.xcontent.ToXContent; | ||
| import org.opensearch.securityanalytics.SecurityAnalyticsPlugin; | ||
| import org.opensearch.securityanalytics.model.threatintel.IocMatch; | ||
| import org.opensearch.securityanalytics.settings.SecurityAnalyticsSettings; | ||
| import org.opensearch.securityanalytics.threatIntel.common.StashedThreadContext; | ||
| import org.opensearch.securityanalytics.util.SecurityAnalyticsException; | ||
| import org.opensearch.threadpool.ThreadPool; | ||
|
|
||
| import java.io.BufferedReader; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.InputStreamReader; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| /** | ||
| * Data layer to perform CRUD operations for threat intel ioc match : store in system index. | ||
| */ | ||
| public class IocMatchService { | ||
| //TODO manage index rollover | ||
| public static final String INDEX_NAME = ".opensearch-sap-iocmatch"; | ||
| private static final Logger log = LogManager.getLogger(IocMatchService.class); | ||
| private final Client client; | ||
| private final ClusterService clusterService; | ||
|
|
||
| public IocMatchService(final Client client, final ClusterService clusterService) { | ||
| this.client = client; | ||
| this.clusterService = clusterService; | ||
| } | ||
|
|
||
| public void indexIocMatches(List<IocMatch> iocMatches, | ||
| final ActionListener<Void> actionListener) { | ||
| try { | ||
| Integer batchSize = this.clusterService.getClusterSettings().get(SecurityAnalyticsSettings.BATCH_SIZE); | ||
| createIndexIfNotExists(ActionListener.wrap( | ||
| r -> { | ||
| List<BulkRequest> bulkRequestList = new ArrayList<>(); | ||
| BulkRequest bulkRequest = new BulkRequest(INDEX_NAME); | ||
| for (int i = 0; i < iocMatches.size(); i++) { | ||
| IocMatch iocMatch = iocMatches.get(i); | ||
| try { | ||
| IndexRequest indexRequest = new IndexRequest(INDEX_NAME) | ||
| .source(iocMatch.toXContent(XContentFactory.jsonBuilder(), ToXContent.EMPTY_PARAMS)) | ||
| .opType(DocWriteRequest.OpType.CREATE); | ||
| bulkRequest.add(indexRequest); | ||
| if ( | ||
| bulkRequest.requests().size() == batchSize | ||
| && i != iocMatches.size() - 1 // final bulk request will be added outside for loop with refresh policy none | ||
| ) { | ||
| bulkRequest.setRefreshPolicy(WriteRequest.RefreshPolicy.NONE); | ||
| bulkRequestList.add(bulkRequest); | ||
| bulkRequest = new BulkRequest(); | ||
| } | ||
| } catch (IOException e) { | ||
| log.error(String.format("Failed to create index request for ioc match %s moving on to next"), e); | ||
| } | ||
| } | ||
| bulkRequest.setRefreshPolicy(WriteRequest.RefreshPolicy.IMMEDIATE); | ||
| bulkRequestList.add(bulkRequest); | ||
| GroupedActionListener<BulkResponse> groupedListener = new GroupedActionListener<>(ActionListener.wrap(bulkResponses -> { | ||
| int idx = 0; | ||
| for (BulkResponse response : bulkResponses) { | ||
| BulkRequest request = bulkRequestList.get(idx); | ||
| if (response.hasFailures()) { | ||
| log.error("Failed to bulk index {} Ioc Matches. Failure: {}", request.batchSize(), response.buildFailureMessage()); | ||
| } | ||
| } | ||
| actionListener.onResponse(null); | ||
| }, actionListener::onFailure), bulkRequestList.size()); | ||
| for (BulkRequest req : bulkRequestList) { | ||
| try { | ||
| client.bulk(req, groupedListener); //todo why stash context here? | ||
| } catch (Exception e) { | ||
| log.error("Failed to save ioc matches.", e); | ||
| } | ||
| } | ||
| }, e -> { | ||
| log.error("Failed to create System Index"); | ||
| actionListener.onFailure(e); | ||
| })); | ||
|
|
||
|
|
||
| } catch (Exception e) { | ||
| log.error("Exception saving the threat intel source config in index", e); | ||
| actionListener.onFailure(e); | ||
| } | ||
| } | ||
|
|
||
| private String getIndexMapping() { | ||
| try { | ||
| try (InputStream is = IocMatchService.class.getResourceAsStream("/mappings/ioc_match_mapping.json")) { | ||
| try (BufferedReader reader = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) { | ||
| return reader.lines().map(String::trim).collect(Collectors.joining()); | ||
| } | ||
| } | ||
| } catch (IOException e) { | ||
| log.error("Failed to get the threat intel ioc match index mapping", e); | ||
| throw new SecurityAnalyticsException("Failed to get the threat intel ioc match index mapping", RestStatus.INTERNAL_SERVER_ERROR, e); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Index name: .opensearch-sap-iocmatch | ||
| * Mapping: /mappings/ioc_match_mapping.json | ||
| * | ||
| * @param listener setup listener | ||
| */ | ||
| public void createIndexIfNotExists(final ActionListener<Void> listener) { | ||
| // check if job index exists | ||
| try { | ||
| if (clusterService.state().metadata().hasIndex(INDEX_NAME) == true) { | ||
| listener.onResponse(null); | ||
| return; | ||
| } | ||
| final CreateIndexRequest createIndexRequest = new CreateIndexRequest(INDEX_NAME).mapping(getIndexMapping()) | ||
| .settings(SecurityAnalyticsPlugin.TIF_JOB_INDEX_SETTING); | ||
| StashedThreadContext.run(client, () -> client.admin().indices().create(createIndexRequest, ActionListener.wrap( | ||
| r -> { | ||
| log.debug("Ioc match index created"); | ||
| listener.onResponse(null); | ||
| }, e -> { | ||
| if (e instanceof ResourceAlreadyExistsException) { | ||
| log.debug("index {} already exist", INDEX_NAME); | ||
| listener.onResponse(null); | ||
| return; | ||
| } | ||
| log.error("Failed to create security analytics threat intel job index", e); | ||
| listener.onFailure(e); | ||
| } | ||
| ))); | ||
| } catch (Exception e) { | ||
| log.error("Failure in creating ioc_match index", e); | ||
| listener.onFailure(e); | ||
| } | ||
| } | ||
| } |
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