Mercurial > hg > release > thermostat-0.11
view web/server/src/main/java/com/redhat/thermostat/web/server/auth/spi/AbstractLoginModule.java @ 1116:6d696f9181d6
Log verbose messages only if debug is enabled for JAAS login modules.
Reviewed-by: vanaltj
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-May/006689.html
author | Severin Gehwolf <sgehwolf@redhat.com> |
---|---|
date | Tue, 21 May 2013 11:33:34 +0200 |
parents | 105617e21576 |
children |
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/* * Copyright 2012, 2013 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.spi; import java.io.IOException; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; import javax.security.auth.Subject; import javax.security.auth.callback.Callback; import javax.security.auth.callback.CallbackHandler; import javax.security.auth.callback.NameCallback; import javax.security.auth.callback.PasswordCallback; import javax.security.auth.callback.UnsupportedCallbackException; import javax.security.auth.login.LoginException; import javax.security.auth.spi.LoginModule; import com.redhat.thermostat.common.utils.LoggingUtils; /** * Base class for Thermostat JAAS login modules. * */ public abstract class AbstractLoginModule implements LoginModule { private static final Logger logger = LoggingUtils.getLogger(AbstractLoginModule.class); protected CallbackHandler callBackHandler; protected Subject subject; protected boolean debug = false; @Override public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState, Map<String, ?> options) { this.subject = subject; this.callBackHandler = callbackHandler; this.debug = "true".equalsIgnoreCase((String)options.get("debug")); } /** * Get username and password from the callback. * * @return An array of length two where the first element is the username as * String and the second element is the password as char[]. * @throws LoginException * if the retrieval fails (e.g. no callback is available). */ protected Object[] getUsernamePasswordFromCallBack() throws LoginException { if (callBackHandler == null) { throw new LoginException("No callback handler"); } Object[] creds = new Object[2]; NameCallback nc = new NameCallback("Username: "); PasswordCallback pc = new PasswordCallback("Password: ", false); Callback[] callbacks = new Callback[] { nc, pc }; try { callBackHandler.handle(callbacks); creds[0] = nc.getName(); creds[1] = pc.getPassword(); pc.clearPassword(); return creds; } catch (IOException | UnsupportedCallbackException e) { logger.log(Level.FINEST, "Can't get username", e); throw new LoginException(e.getMessage()); } } /** * Get the user's name from the callback. * * @return The user's name. * @throws LoginException * if the retrieval fails (e.g. no callback is available). */ protected String getUsernameFromCallBack() throws LoginException { if (callBackHandler == null) { throw new LoginException("No callback handler"); } NameCallback nc = new NameCallback("Username: "); PasswordCallback pc = new PasswordCallback("Password: ", false); Callback[] callbacks = new Callback[] { nc, pc }; try { callBackHandler.handle(callbacks); return nc.getName(); } catch (IOException | UnsupportedCallbackException e) { logger.log(Level.FINEST, "Can't get username", e); throw new LoginException(e.getMessage()); } } }