| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.guacamole; |
| |
| import org.apache.guacamole.tunnel.TunnelModule; |
| import com.google.inject.Guice; |
| import com.google.inject.Inject; |
| import com.google.inject.Injector; |
| import com.google.inject.Stage; |
| import com.google.inject.servlet.GuiceServletContextListener; |
| import java.util.List; |
| import javax.servlet.ServletContextEvent; |
| import org.apache.guacamole.environment.Environment; |
| import org.apache.guacamole.environment.LocalEnvironment; |
| import org.apache.guacamole.extension.ExtensionModule; |
| import org.apache.guacamole.log.LogModule; |
| import org.apache.guacamole.net.auth.AuthenticationProvider; |
| import org.apache.guacamole.rest.RESTServiceModule; |
| import org.apache.guacamole.rest.auth.HashTokenSessionMap; |
| import org.apache.guacamole.rest.auth.TokenSessionMap; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A ServletContextListener to listen for initialization of the servlet context |
| * in order to set up dependency injection. |
| */ |
| public class GuacamoleServletContextListener extends GuiceServletContextListener { |
| |
| /** |
| * Logger for this class. |
| */ |
| private final Logger logger = LoggerFactory.getLogger(GuacamoleServletContextListener.class); |
| |
| /** |
| * The Guacamole server environment. |
| */ |
| private Environment environment; |
| |
| /** |
| * Singleton instance of a TokenSessionMap. |
| */ |
| private TokenSessionMap sessionMap; |
| |
| /** |
| * List of all authentication providers from all loaded extensions. |
| */ |
| @Inject |
| private List<AuthenticationProvider> authProviders; |
| |
| @Override |
| public void contextInitialized(ServletContextEvent servletContextEvent) { |
| |
| try { |
| environment = new LocalEnvironment(); |
| sessionMap = new HashTokenSessionMap(environment); |
| } |
| catch (GuacamoleException e) { |
| logger.error("Unable to read guacamole.properties: {}", e.getMessage()); |
| logger.debug("Error reading guacamole.properties.", e); |
| throw new RuntimeException(e); |
| } |
| |
| super.contextInitialized(servletContextEvent); |
| |
| } |
| |
| @Override |
| protected Injector getInjector() { |
| |
| // Create injector |
| Injector injector = Guice.createInjector(Stage.PRODUCTION, |
| new EnvironmentModule(environment), |
| new LogModule(environment), |
| new ExtensionModule(environment), |
| new RESTServiceModule(sessionMap), |
| new TunnelModule() |
| ); |
| |
| // Inject any annotated members of this class |
| injector.injectMembers(this); |
| |
| return injector; |
| |
| } |
| |
| @Override |
| public void contextDestroyed(ServletContextEvent servletContextEvent) { |
| |
| super.contextDestroyed(servletContextEvent); |
| |
| // Shutdown TokenSessionMap |
| if (sessionMap != null) |
| sessionMap.shutdown(); |
| |
| // Unload all extensions |
| if (authProviders != null) { |
| for (AuthenticationProvider authProvider : authProviders) |
| authProvider.shutdown(); |
| } |
| |
| } |
| |
| } |