RestAPI: Reject forcemerge requests with a body (#30792)

This commit adds validation to forcemerge rest requests which contain a
body. All parameters to force merge must be part of http params.

closes #29584
This commit is contained in:
Ryan Ernst 2018-06-18 19:03:46 +02:00 committed by GitHub
parent f3297ed23a
commit 340313b048
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2 changed files with 50 additions and 0 deletions

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@ -47,6 +47,9 @@ public class RestForceMergeAction extends BaseRestHandler {
@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
if (request.hasContent()) {
throw new IllegalArgumentException("forcemerge takes arguments in query parameters, not in the request body");
}
ForceMergeRequest mergeRequest = new ForceMergeRequest(Strings.splitStringByCommaToArray(request.param("index")));
mergeRequest.indicesOptions(IndicesOptions.fromRequest(request, mergeRequest.indicesOptions()));
mergeRequest.maxNumSegments(request.paramAsInt("max_num_segments", mergeRequest.maxNumSegments()));

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@ -0,0 +1,47 @@
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package org.elasticsearch.action.admin.indices.forcemerge;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.common.xcontent.json.JsonXContent;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.action.admin.indices.RestForceMergeAction;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.rest.FakeRestRequest;
import static org.hamcrest.Matchers.equalTo;
import static org.mockito.Mockito.mock;
public class RestForceMergeActionTests extends ESTestCase {
public void testBodyRejection() throws Exception {
final RestForceMergeAction handler = new RestForceMergeAction(Settings.EMPTY, mock(RestController.class));
String json = JsonXContent.contentBuilder().startObject().field("max_num_segments", 1).endObject().toString();
final FakeRestRequest request = new FakeRestRequest.Builder(NamedXContentRegistry.EMPTY)
.withContent(new BytesArray(json), XContentType.JSON).build();
IllegalArgumentException e = expectThrows(IllegalArgumentException.class,
() -> handler.prepareRequest(request, mock(NodeClient.class)));
assertThat(e.getMessage(), equalTo("forcemerge takes arguments in query parameters, not in the request body"));
}
}