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For backwards compatibility purposes, only lowercase the query string when we know that the Solr schema version has a lowercase content_str field.

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This commit is contained in:
esaunders 2018-09-18 16:06:12 -04:00
parent 52f8ad0cb7
commit 9d7e4b3fdd
1 changed files with 23 additions and 1 deletions
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24
KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/RegexQuery.java
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@ -28,6 +28,7 @@ import java.util.logging.Level;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.apache.commons.validator.routines.DomainValidator;
import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrQuery.SortClause;
@ -225,11 +226,32 @@ final class RegexQuery implements KeywordSearchQuery {
boolean skipWildcardPrefix = queryStringContainsWildcardPrefix || getQueryString().startsWith("^");
boolean skipWildcardSuffix = queryStringContainsWildcardSuffix
|| (getQueryString().endsWith("$") && (!getQueryString().endsWith("\\$")));
/**
* The query string to use depends on whether this is a substring or
* regex search. For substring searches, we want to escape the string.
* We may have been asked to perform a substring search on a phone
* number fragment containing special characters (e.g. (555)-) which
* requires us to escape the ( and -.
*
* Additionally, if we are querying a Solr index which is version 2.1 or
* above (where the content_str field is normalized to lowercase) we
* also need to convert the query string to lowercase. For Solr indexes
* that predate version 2.1, we do not lowercase the query string
* thereby allowing queries against existing indexes to behave the same
* way they did in previous versions.
*/
String queryString = (originalKeyword.searchTermIsLiteral() ? getEscapedQueryString() : getQueryString());
double indexSchemaVersion = NumberUtils.toDouble(solrServer.getIndexInfo().getSchemaVersion());
if (indexSchemaVersion >= 2.1) {
queryString = queryString.toLowerCase();
}
solrQuery.setQuery((field == null ? Server.Schema.CONTENT_STR.toString() : field) + ":/"
+ (skipWildcardPrefix ? "" : ".*")
// if the query is for a substring (i.e. literal search term) we want
// to escape characters such as ()[]-.
+ (originalKeyword.searchTermIsLiteral() ? getEscapedQueryString().toLowerCase() : getQueryString().toLowerCase())
+ queryString
+ (skipWildcardSuffix ? "" : ".*") + "/");
// Set the fields we want to have returned by the query.