Mercurial > hg > release > thermostat-1.2
view web/server/src/main/java/com/redhat/thermostat/web/server/auth/JettyPrincipalCallback.java @ 1660:c6ae78b6f3ac
[Thermostat 1.2] Update copyright year to 2015
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2015-March/013127.html
PR2273
author | Severin Gehwolf <sgehwolf@redhat.com> |
---|---|
date | Wed, 11 Mar 2015 15:07:27 +0100 |
parents | aa410960e131 |
children |
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/* * Copyright 2012-2015 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.web.server.auth; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.security.Principal; import java.util.Objects; import java.util.Set; import java.util.logging.Level; import java.util.logging.Logger; import javax.security.auth.Subject; import com.redhat.thermostat.common.utils.LoggingUtils; import com.redhat.thermostat.web.server.containers.ContainerVersion; import com.redhat.thermostat.web.server.containers.ServletContainerInfo; /** * Principal callback for the jetty container. * */ class JettyPrincipalCallback implements PrincipalCallback { private static final String JETTY8_JAAS_USER_PRINCIPAL_CLASS_NAME = "org.eclipse.jetty.plus.jaas.JAASUserPrincipal"; private static final String JETTY9_JAAS_USER_PRINCIPAL_CLASS_NAME = "org.eclipse.jetty.jaas.JAASUserPrincipal"; private static final Logger logger = LoggingUtils.getLogger(JettyPrincipalCallback.class); private final ServletContainerInfo info; JettyPrincipalCallback(ServletContainerInfo info) { this.info = Objects.requireNonNull(info); } @Override public UserPrincipal getUserPrincipal(Principal principal) { Subject subject = getJettySubject(principal); Set<UserPrincipal> userPrincipals = subject.getPrincipals(UserPrincipal.class); if (userPrincipals.size() != 1) { throw new IllegalStateException("Number of thermostat user principals must be exactly 1!"); } return userPrincipals.iterator().next(); } private Subject getJettySubject(Principal principal) { ContainerVersion version = info.getContainerVersion(); // Jetty has our principal on the accessible subject. // The package of the JAASUserPrincipal class changed between // Jetty 8 and Jetty 9. if (version.getMajor() <= 8) { return getSubjectFromClass(principal, JETTY8_JAAS_USER_PRINCIPAL_CLASS_NAME); } else { // >= 9 and go with jetty 9's name return getSubjectFromClass(principal, JETTY9_JAAS_USER_PRINCIPAL_CLASS_NAME); } } private Subject getSubjectFromClass(Principal principal, String clazzName) { Subject subject = null; try { // Do this via reflection in order to avoid a hard dependency // on jetty-plus. Class<?> jassUserPrincipal = Class.forName(clazzName); Method method = jassUserPrincipal.getDeclaredMethod("getSubject"); subject = (Subject)method.invoke(principal); } catch (ClassNotFoundException | NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) { // log and continue logger.log(Level.WARNING, e.getMessage(), e); } if (subject == null) { throw new IllegalStateException( "Could not retrieve subject from principal of type " + principal.getClass().getName()); } return subject; } }