Use fixture to test repository-url module #29355
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| /* | ||
| * Licensed to Elasticsearch under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch licenses this file to you under | ||
| * the Apache License, Version 2.0 (the "License"); you may | ||
| * not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.elasticsearch.repositories.url; | ||
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|
||
| import com.sun.net.httpserver.HttpExchange; | ||
| import com.sun.net.httpserver.HttpHandler; | ||
| import com.sun.net.httpserver.HttpServer; | ||
| import org.elasticsearch.common.SuppressForbidden; | ||
| import org.elasticsearch.mocksocket.MockHttpServer; | ||
| import org.elasticsearch.rest.RestStatus; | ||
|
|
||
| import java.io.IOException; | ||
| import java.lang.management.ManagementFactory; | ||
| import java.net.Inet6Address; | ||
| import java.net.InetAddress; | ||
| import java.net.InetSocketAddress; | ||
| import java.net.SocketAddress; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
| import java.nio.file.StandardCopyOption; | ||
| import java.util.Map; | ||
| import java.util.Objects; | ||
|
|
||
| import static java.util.Collections.emptyMap; | ||
| import static java.util.Collections.singleton; | ||
| import static java.util.Collections.singletonMap; | ||
|
|
||
| /** | ||
| * This {@link URLFixture} exposes a filesystem directory over HTTP. It is used in repository-url | ||
| * integration tests to expose a directory created by a regular FS repository. | ||
| */ | ||
| public class URLFixture { | ||
|
|
||
| public static void main(String[] args) throws Exception { | ||
| if (args == null || args.length != 2) { | ||
| throw new IllegalArgumentException("URLFixture <working directory> <repository directory>"); | ||
| } | ||
|
|
||
| final InetSocketAddress socketAddress = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0); | ||
| final HttpServer httpServer = MockHttpServer.createHttp(socketAddress, 0); | ||
|
|
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| try { | ||
| final Path workingDirectory = dir(args[0]); | ||
| /// Writes the PID of the current Java process in a `pid` file located in the working directory | ||
| writeFile(workingDirectory, "pid", ManagementFactory.getRuntimeMXBean().getName().split("@")[0]); | ||
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| final String addressAndPort = addressToString(httpServer.getAddress()); | ||
| // Writes the address and port of the http server in a `ports` file located in the working directory | ||
| writeFile(workingDirectory, "ports", addressAndPort); | ||
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| // Exposes the repository over HTTP | ||
| final String url = "http://" + addressAndPort; | ||
| httpServer.createContext("/", new ResponseHandler(dir(args[1]))); | ||
| httpServer.start(); | ||
|
|
||
| // Wait to be killed | ||
| Thread.sleep(Long.MAX_VALUE); | ||
|
|
||
| } finally { | ||
| httpServer.stop(0); | ||
| } | ||
| } | ||
|
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||
| @SuppressForbidden(reason = "Paths#get is fine - we don't have environment here") | ||
| private static Path dir(final String dir) { | ||
| return Paths.get(dir); | ||
| } | ||
|
|
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| private static void writeFile(final Path dir, final String fileName, final String content) throws IOException { | ||
| final Path tempPidFile = Files.createTempFile(dir, null, null); | ||
| Files.write(tempPidFile, singleton(content)); | ||
| Files.move(tempPidFile, dir.resolve(fileName), StandardCopyOption.ATOMIC_MOVE); | ||
| } | ||
|
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| private static String addressToString(final SocketAddress address) { | ||
| final InetSocketAddress inetSocketAddress = (InetSocketAddress) address; | ||
| if (inetSocketAddress.getAddress() instanceof Inet6Address) { | ||
| return "[" + inetSocketAddress.getHostString() + "]:" + inetSocketAddress.getPort(); | ||
| } else { | ||
| return inetSocketAddress.getHostString() + ":" + inetSocketAddress.getPort(); | ||
| } | ||
| } | ||
|
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| static class ResponseHandler implements HttpHandler { | ||
|
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| private final Path repositoryDir; | ||
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| ResponseHandler(final Path repositoryDir) { | ||
| this.repositoryDir = repositoryDir; | ||
| } | ||
|
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| @Override | ||
| public void handle(HttpExchange exchange) throws IOException { | ||
| Response response; | ||
| if ("GET".equalsIgnoreCase(exchange.getRequestMethod())) { | ||
| String path = exchange.getRequestURI().toString(); | ||
| if (path.length() > 0 && path.charAt(0) == '/') { | ||
| path = path.substring(1); | ||
| } | ||
|
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| Path normalizedRepositoryDir = repositoryDir.normalize(); | ||
| Path normalizedPath = normalizedRepositoryDir.resolve(path).normalize(); | ||
|
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| if (normalizedPath.startsWith(normalizedRepositoryDir)) { | ||
| if (Files.exists(normalizedPath) && Files.isReadable(normalizedPath) && Files.isRegularFile(normalizedPath)) { | ||
| byte[] content = Files.readAllBytes(normalizedPath); | ||
| Map<String, String> headers = singletonMap("Content-Length", String.valueOf(content.length)); | ||
| response = new Response(RestStatus.OK, headers, "application/octet-stream", content); | ||
| } else { | ||
| response = new Response(RestStatus.NOT_FOUND, emptyMap(), "text/plain", new byte[0]); | ||
| } | ||
| } else { | ||
| response = new Response(RestStatus.FORBIDDEN, emptyMap(), "text/plain", new byte[0]); | ||
| } | ||
| } else { | ||
| response = new Response(RestStatus.INTERNAL_SERVER_ERROR, emptyMap(), "text/plain", | ||
| "Unsupported HTTP method".getBytes(StandardCharsets.UTF_8)); | ||
| } | ||
| exchange.sendResponseHeaders(response.status.getStatus(), response.body.length); | ||
| if (response.body.length > 0) { | ||
| exchange.getResponseBody().write(response.body); | ||
| } | ||
| exchange.close(); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Represents a HTTP Response. | ||
| */ | ||
| static class Response { | ||
|
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| final RestStatus status; | ||
| final Map<String, String> headers; | ||
| final String contentType; | ||
| final byte[] body; | ||
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| Response(final RestStatus status, final Map<String, String> headers, final String contentType, final byte[] body) { | ||
| this.status = Objects.requireNonNull(status); | ||
| this.headers = Objects.requireNonNull(headers); | ||
| this.contentType = Objects.requireNonNull(contentType); | ||
| this.body = Objects.requireNonNull(body); | ||
| } | ||
| } | ||
| } |
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I'd prefer to have this under the license.