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+/*
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+ * Licensed to Elasticsearch under one or more contributor
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+ * license agreements. See the NOTICE file distributed with
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+ * this work for additional information regarding copyright
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+ * ownership. Elasticsearch licenses this file to you under
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+ * the Apache License, Version 2.0 (the "License"); you may
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+ * not use this file except in compliance with the License.
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+ * You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing,
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+ * software distributed under the License is distributed on an
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+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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+ * KIND, either express or implied. See the License for the
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+ * specific language governing permissions and limitations
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+ * under the License.
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+ */
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+package org.elasticsearch.http.netty;
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+
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+import org.apache.http.Header;
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+import org.apache.http.HttpException;
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+import org.apache.http.HttpHeaders;
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+import org.apache.http.HttpResponseInterceptor;
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+import org.apache.http.impl.client.CloseableHttpClient;
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+import org.apache.http.impl.client.HttpClients;
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+import org.apache.http.protocol.HttpContext;
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+import org.elasticsearch.common.network.NetworkModule;
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+import org.elasticsearch.common.settings.Settings;
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+import org.elasticsearch.http.HttpTransportSettings;
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+import org.elasticsearch.test.ESIntegTestCase;
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+import org.elasticsearch.test.rest.client.http.HttpResponse;
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+
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+import java.io.IOException;
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+
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+@ESIntegTestCase.ClusterScope(scope = ESIntegTestCase.Scope.SUITE, numDataNodes = 1, numClientNodes = 1)
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+public class NettyHttpCompressionIT extends ESIntegTestCase {
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+ private static final String GZIP_ENCODING = "gzip";
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+
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+ private static final String SAMPLE_DOCUMENT = "{\n" +
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+ " \"name\": {\n" +
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+ " \"first name\": \"Steve\",\n" +
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+ " \"last name\": \"Jobs\"\n" +
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+ " }\n" +
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+ "}";
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+
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+ @Override
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+ protected Settings nodeSettings(int nodeOrdinal) {
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+ return Settings.builder()
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+ .put(super.nodeSettings(nodeOrdinal))
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+ .put(NetworkModule.HTTP_ENABLED.getKey(), true)
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+ .put(HttpTransportSettings.SETTING_HTTP_COMPRESSION.getKey(), true)
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+ .build();
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+ }
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+
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+ public void testCompressesResponseIfRequested() throws Exception {
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+ ensureGreen();
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+
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+ // we need to intercept early, otherwise internal logic in HttpClient will just remove the header and we cannot verify it
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+ ContentEncodingHeaderExtractor headerExtractor = new ContentEncodingHeaderExtractor();
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+ CloseableHttpClient internalClient = HttpClients.custom().addInterceptorFirst(headerExtractor).build();
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+
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+ HttpResponse response = httpClient(internalClient).path("/").addHeader(HttpHeaders.ACCEPT_ENCODING, GZIP_ENCODING).execute();
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+ assertEquals(200, response.getStatusCode());
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+ assertTrue(headerExtractor.hasContentEncodingHeader());
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+ assertEquals(GZIP_ENCODING, headerExtractor.getContentEncodingHeader().getValue());
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+ }
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+
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+ public void testUncompressedResponseByDefault() throws Exception {
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+ ensureGreen();
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+
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+ ContentEncodingHeaderExtractor headerExtractor = new ContentEncodingHeaderExtractor();
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+ CloseableHttpClient internalClient = HttpClients
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+ .custom()
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+ .disableContentCompression()
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+ .addInterceptorFirst(headerExtractor)
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+ .build();
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+
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+ HttpResponse response = httpClient(internalClient).path("/").execute();
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+ assertEquals(200, response.getStatusCode());
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+ assertFalse(headerExtractor.hasContentEncodingHeader());
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+ }
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+
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+ public void testCanInterpretUncompressedRequest() throws Exception {
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+ ensureGreen();
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+
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+ ContentEncodingHeaderExtractor headerExtractor = new ContentEncodingHeaderExtractor();
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+ CloseableHttpClient internalClient = HttpClients
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+ .custom()
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+ // this disable content compression in both directions (request and response)
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+ .disableContentCompression()
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+ .addInterceptorFirst(headerExtractor)
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+ .build();
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+
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+ HttpResponse response = httpClient(internalClient)
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+ .path("/company/employees/1")
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+ .method("POST")
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+ .body(SAMPLE_DOCUMENT)
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+ .execute();
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+
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+ assertEquals(201, response.getStatusCode());
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+ assertFalse(headerExtractor.hasContentEncodingHeader());
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+ }
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+
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+ public void testCanInterpretCompressedRequest() throws Exception {
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+ ensureGreen();
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+
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+ ContentEncodingHeaderExtractor headerExtractor = new ContentEncodingHeaderExtractor();
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+ // we don't call #disableContentCompression() hence the client will send the content compressed
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+ CloseableHttpClient internalClient = HttpClients.custom().addInterceptorFirst(headerExtractor).build();
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+
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+ HttpResponse response = httpClient(internalClient)
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+ .path("/company/employees/2")
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+ .method("POST")
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+ .body(SAMPLE_DOCUMENT)
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+ .execute();
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+
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+ assertEquals(201, response.getStatusCode());
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+ assertTrue(headerExtractor.hasContentEncodingHeader());
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+ assertEquals(GZIP_ENCODING, headerExtractor.getContentEncodingHeader().getValue());
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+ }
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+
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+ private static class ContentEncodingHeaderExtractor implements HttpResponseInterceptor {
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+ private Header contentEncodingHeader;
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+
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+ @Override
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+ public void process(org.apache.http.HttpResponse response, HttpContext context) throws HttpException, IOException {
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+ final Header[] headers = response.getHeaders(HttpHeaders.CONTENT_ENCODING);
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+ if (headers.length == 1) {
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+ this.contentEncodingHeader = headers[0];
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+ } else if (headers.length > 1) {
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+ throw new AssertionError("Expected none or one content encoding header but got " + headers.length + " headers.");
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+ }
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+ }
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+
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+ public boolean hasContentEncodingHeader() {
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+ return contentEncodingHeader != null;
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+ }
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+
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+ public Header getContentEncodingHeader() {
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+ return contentEncodingHeader;
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+ }
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+ }
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+
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+
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+}
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Daniel Mitterdorfer