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/*
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 *
 * Copyright (c) [2017-2021] Payara Foundation and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/main/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
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 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
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package fish.payara.microprofile.jwtauth;

import static java.util.logging.Level.FINEST;
import static java.util.logging.Level.INFO;

import java.util.Set;
import java.util.logging.Logger;

import jakarta.enterprise.inject.Instance;
import jakarta.enterprise.inject.spi.CDI;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletContextEvent;
import jakarta.servlet.ServletContextListener;

import fish.payara.microprofile.jwtauth.cdi.JwtAuthCdiExtension;

/**
 * This servlet container initializer checks if CDI is active and if so obtains
 * the JWT CDI extension to fetch the collected roles from, which are then declared to the
 * Servlet container.
 * 
 *  

* Declaring roles is a requirement of Java EE and Payara specifically enforces this. I.e. roles * that aren't declared don't work. * * @author Arjan Tijms */ public class RolesDeclarationInitializer implements ServletContextListener { private static final Logger logger = Logger.getLogger(RolesDeclarationInitializer.class.getName()); @Override public void contextInitialized(ServletContextEvent sce) { final ServletContext ctx = sce.getServletContext(); Set roles = null; boolean addJWTAuthenticationMechanism = false; try { CDI cdi = CDI.current(); if (cdi != null) { Instance extensionInstance = cdi.select(JwtAuthCdiExtension.class); if (extensionInstance != null && !extensionInstance.isUnsatisfied() && !extensionInstance.isAmbiguous()) { JwtAuthCdiExtension cdiExtension = extensionInstance.get(); if (cdiExtension != null) { roles = cdiExtension.getRoles(); addJWTAuthenticationMechanism = cdiExtension.isAddJWTAuthenticationMechanism(); } } } } catch (Exception e) { logger.log(FINEST, "Exception trying to use CDI:", e); } if (roles == null) { logger.log(FINEST, "CDI not available for context " + ctx.getContextPath()); return; } if (!addJWTAuthenticationMechanism) { return; // JWT authentication mechanism not installed, don't process the roles for Payara 4 } if (logger.isLoggable(INFO)) { String version = getClass().getPackage().getImplementationVersion(); logger.log(INFO, "Initializing MP-JWT {0} for context ''{1}''", new Object[]{version, ctx.getContextPath()}); } ctx.declareRoles(roles.toArray(new String[0])); } }