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ti feed data to doc level query convertor logic added
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src/main/java/org/opensearch/securityanalytics/threatIntel/DetectorThreatIntelService.java
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package org.opensearch.securityanalytics.threatIntel; | ||
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import org.opensearch.commons.alerting.model.DocLevelQuery; | ||
import org.opensearch.securityanalytics.model.ThreatIntelFeedData; | ||
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import java.util.Collections; | ||
import java.util.List; | ||
import java.util.Set; | ||
import java.util.stream.Collectors; | ||
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public class DetectorThreatIntelService { | ||
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/** Convert the feed data IOCs into query string query format to create doc level queries. */ | ||
public static DocLevelQuery createDocLevelQueryFromThreatIntelList( | ||
List<ThreatIntelFeedData> tifdList, String docLevelQueryId | ||
) { | ||
Set<String> iocs = tifdList.stream().map(ThreatIntelFeedData::getIocValue).collect(Collectors.toSet()); | ||
String query = buildQueryStringQueryWithIocList(iocs); | ||
return new DocLevelQuery( | ||
docLevelQueryId,tifdList.get(0).getFeedId(), query, | ||
Collections.singletonList("threat_intel") | ||
); | ||
} | ||
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private static String buildQueryStringQueryWithIocList(Set<String> iocs) { | ||
StringBuilder sb = new StringBuilder(); | ||
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for(String ioc : iocs) { | ||
if(sb.length() != 0) { | ||
sb.append(" "); | ||
} | ||
sb.append("("); | ||
sb.append(ioc); | ||
sb.append(")"); | ||
} | ||
return sb.toString(); | ||
} | ||
} |
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