187 lines
8.9 KiB
Java
187 lines
8.9 KiB
Java
/*
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* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. 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 distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package monasca.api;
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import io.dropwizard.Application;
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import io.dropwizard.jdbi.bundles.DBIExceptionsBundle;
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import io.dropwizard.setup.Bootstrap;
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import io.dropwizard.setup.Environment;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Set;
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import javax.servlet.FilterRegistration.Dynamic;
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import javax.ws.rs.ext.ExceptionMapper;
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import org.eclipse.jetty.servlets.CrossOriginFilter;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.PropertyNamingStrategy;
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import com.fasterxml.jackson.databind.SerializationFeature;
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import com.fasterxml.jackson.databind.module.SimpleModule;
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import com.hpcloud.messaging.kafka.KafkaHealthCheck;
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import com.hpcloud.middleware.TokenAuth;
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import monasca.api.bundle.SwaggerBundle;
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import monasca.api.infrastructure.servlet.MockAuthenticationFilter;
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import monasca.api.infrastructure.servlet.PostAuthenticationFilter;
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import monasca.api.infrastructure.servlet.PreAuthenticationFilter;
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import monasca.api.infrastructure.servlet.RoleAuthorizationFilter;
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import monasca.api.resource.AlarmDefinitionResource;
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import monasca.api.resource.AlarmResource;
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import monasca.api.resource.MeasurementResource;
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import monasca.api.resource.MetricResource;
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import monasca.api.resource.NotificationMethodResource;
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import monasca.api.resource.StatisticResource;
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import monasca.api.resource.VersionResource;
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import monasca.api.resource.exception.ConstraintViolationExceptionMapper;
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import monasca.api.resource.exception.EntityExistsExceptionMapper;
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import monasca.api.resource.exception.EntityNotFoundExceptionMapper;
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import monasca.api.resource.exception.IllegalArgumentExceptionMapper;
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import monasca.api.resource.exception.InvalidEntityExceptionMapper;
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import monasca.api.resource.exception.JsonMappingExceptionManager;
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import monasca.api.resource.exception.JsonProcessingExceptionMapper;
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import monasca.api.resource.exception.ThrowableExceptionMapper;
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import monasca.api.resource.serialization.SubAlarmExpressionSerializer;
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import com.hpcloud.util.Injector;
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/**
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* Monitoring API application.
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*/
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public class MonApiApplication extends Application<MonApiConfiguration> {
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public static void main(String[] args) throws Exception {
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new MonApiApplication().run(args);
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}
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@Override
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public void initialize(Bootstrap<MonApiConfiguration> bootstrap) {
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/** Configure bundles */
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bootstrap.addBundle(new DBIExceptionsBundle());
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bootstrap.addBundle(new SwaggerBundle());
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}
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@Override
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public String getName() {
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return "HP Cloud Monitoring";
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}
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@Override
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@SuppressWarnings("unchecked")
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public void run(MonApiConfiguration config, Environment environment) throws Exception {
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/** Wire services */
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Injector.registerModules(new MonApiModule(environment, config));
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/** Configure resources */
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environment.jersey().register(Injector.getInstance(VersionResource.class));
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environment.jersey().register(Injector.getInstance(AlarmDefinitionResource.class));
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environment.jersey().register(Injector.getInstance(AlarmResource.class));
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environment.jersey().register(Injector.getInstance(MetricResource.class));
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environment.jersey().register(Injector.getInstance(MeasurementResource.class));
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environment.jersey().register(Injector.getInstance(StatisticResource.class));
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environment.jersey().register(Injector.getInstance(NotificationMethodResource.class));
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/** Configure providers */
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removeExceptionMappers(environment.jersey().getResourceConfig().getSingletons());
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environment.jersey().register(new EntityExistsExceptionMapper());
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environment.jersey().register(new EntityNotFoundExceptionMapper());
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environment.jersey().register(new IllegalArgumentExceptionMapper());
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environment.jersey().register(new InvalidEntityExceptionMapper());
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environment.jersey().register(new JsonProcessingExceptionMapper());
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environment.jersey().register(new JsonMappingExceptionManager());
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environment.jersey().register(new ConstraintViolationExceptionMapper());
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environment.jersey().register(new ThrowableExceptionMapper<Throwable>() {});
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/** Configure Jackson */
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environment.getObjectMapper().setPropertyNamingStrategy(
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PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES);
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environment.getObjectMapper().enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
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environment.getObjectMapper().disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
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SimpleModule module = new SimpleModule("SerializationModule");
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module.addSerializer(new SubAlarmExpressionSerializer());
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environment.getObjectMapper().registerModule(module);
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/** Configure health checks */
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environment.healthChecks().register("kafka", new KafkaHealthCheck(config.kafka));
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/** Configure CORS filter */
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Dynamic corsFilter = environment.servlets().addFilter("cors", CrossOriginFilter.class);
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corsFilter.addMappingForUrlPatterns(null, true, "/*");
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corsFilter.setInitParameter("allowedOrigins", "*");
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corsFilter.setInitParameter("allowedHeaders",
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"X-Requested-With,Content-Type,Accept,Origin,X-Auth-Token");
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corsFilter.setInitParameter("allowedMethods", "OPTIONS,GET,HEAD");
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if (config.middleware.enabled) {
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Map<String, String> authInitParams = new HashMap<String, String>();
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authInitParams.put("ServiceIds", config.middleware.serviceIds);
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authInitParams.put("EndpointIds", config.middleware.endpointIds);
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authInitParams.put("ServerVIP", config.middleware.serverVIP);
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authInitParams.put("ServerPort", config.middleware.serverPort);
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authInitParams.put("ConnTimeout", config.middleware.connTimeout);
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authInitParams.put("ConnSSLClientAuth", config.middleware.connSSLClientAuth);
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authInitParams.put("ConnPoolMaxActive", config.middleware.connPoolMaxActive);
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authInitParams.put("ConnPoolMaxIdle", config.middleware.connPoolMaxActive);
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authInitParams.put("ConnPoolEvictPeriod", config.middleware.connPoolEvictPeriod);
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authInitParams.put("ConnPoolMinIdleTime", config.middleware.connPoolMinIdleTime);
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authInitParams.put("ConnRetryTimes", config.middleware.connRetryTimes);
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authInitParams.put("ConnRetryInterval", config.middleware.connRetryInterval);
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authInitParams.put("AdminToken", config.middleware.adminToken);
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authInitParams.put("TimeToCacheToken", config.middleware.timeToCacheToken);
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authInitParams.put("AdminAuthMethod", config.middleware.adminAuthMethod);
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authInitParams.put("AdminUser", config.middleware.adminUser);
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authInitParams.put("AdminPassword", config.middleware.adminPassword);
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authInitParams.put("MaxTokenCacheSize", config.middleware.maxTokenCacheSize);
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/** Configure auth filters */
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Dynamic preAuthenticationFilter =
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environment.servlets().addFilter("pre-auth", new PreAuthenticationFilter());
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preAuthenticationFilter.addMappingForUrlPatterns(null, true, "/");
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preAuthenticationFilter.addMappingForUrlPatterns(null, true, "/v2.0/*");
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Dynamic tokenAuthFilter = environment.servlets().addFilter("token-auth", new TokenAuth());
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tokenAuthFilter.addMappingForUrlPatterns(null, true, "/");
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tokenAuthFilter.addMappingForUrlPatterns(null, true, "/v2.0/*");
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tokenAuthFilter.setInitParameters(authInitParams);
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Dynamic postAuthenticationFilter =
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environment.servlets().addFilter(
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"post-auth",
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new PostAuthenticationFilter(config.middleware.defaultAuthorizedRoles,
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config.middleware.agentAuthorizedRoles));
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postAuthenticationFilter.addMappingForUrlPatterns(null, true, "/");
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postAuthenticationFilter.addMappingForUrlPatterns(null, true, "/v2.0/*");
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environment.jersey().getResourceConfig().getContainerRequestFilters()
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.add(new RoleAuthorizationFilter());
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} else {
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Dynamic mockAuthenticationFilter =
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environment.servlets().addFilter("mock-auth", new MockAuthenticationFilter());
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mockAuthenticationFilter.addMappingForUrlPatterns(null, true, "/");
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mockAuthenticationFilter.addMappingForUrlPatterns(null, true, "/v2.0/*");
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}
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/** Configure swagger */
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SwaggerBundle.configure(config);
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}
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private void removeExceptionMappers(Set<Object> items) {
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for (Iterator<Object> i = items.iterator(); i.hasNext();) {
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Object o = i.next();
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if (o instanceof ExceptionMapper)
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i.remove();
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}
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}
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}
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