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The migration plan is as follows: 1. This CL, which adds the new "pubapi" service that serves the check API, WHOIS, and RDAP. 2a. Update our public facing sites to switch over to use the new service. 2b. (either order) Rewrite the check API to remove dependencies on flows. 3. ... eventually, once the frontend service is no longer being hit by this traffic, remove its handling of these public endpoints. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=197716346
68 lines
2.8 KiB
Java
68 lines
2.8 KiB
Java
// Copyright 2018 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may 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, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.module.pubapi;
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import com.google.appengine.api.LifecycleManager;
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import com.google.monitoring.metrics.MetricReporter;
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import dagger.Lazy;
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import google.registry.util.FormattingLogger;
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import java.io.IOException;
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import java.security.Security;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.bouncycastle.jce.provider.BouncyCastleProvider;
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/** Servlet that should handle all requests to our "default" App Engine module. */
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public final class PubApiServlet extends HttpServlet {
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private static final PubApiComponent component = DaggerPubApiComponent.create();
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private static final PubApiRequestHandler requestHandler = component.requestHandler();
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private static final Lazy<MetricReporter> metricReporter = component.metricReporter();
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private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
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@Override
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public void init() {
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Security.addProvider(new BouncyCastleProvider());
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// If metric reporter failed to instantiate for any reason (bad keyring, bad json credential,
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// etc), we log the error but keep the main thread running. Also the shutdown hook will only be
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// registered if metric reporter starts up correctly.
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try {
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metricReporter.get().startAsync().awaitRunning(10, TimeUnit.SECONDS);
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logger.info("Started up MetricReporter");
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LifecycleManager.getInstance()
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.setShutdownHook(
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() -> {
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try {
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metricReporter.get().stopAsync().awaitTerminated(10, TimeUnit.SECONDS);
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logger.info("Shut down MetricReporter");
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} catch (TimeoutException e) {
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logger.severe(e, "Failed to stop MetricReporter.");
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}
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});
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} catch (Exception e) {
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logger.severe(e, "Failed to initialize MetricReporter.");
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}
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}
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@Override
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public void service(HttpServletRequest req, HttpServletResponse rsp) throws IOException {
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logger.info("Received frontend request");
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requestHandler.handleRequest(req, rsp);
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}
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}
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