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/*
************************************************************************
******************* CANADIAN ASTRONOMY DATA CENTRE *******************
************** CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES **************
*
* (c) 2014. (c) 2014.
* Government of Canada Gouvernement du Canada
* National Research Council Conseil national de recherches
* Ottawa, Canada, K1A 0R6 Ottawa, Canada, K1A 0R6
* All rights reserved Tous droits réservés
*
* NRC disclaims any warranties, Le CNRC dénie toute garantie
* expressed, implied, or énoncée, implicite ou légale,
* statutory, of any kind with de quelque nature que ce
* respect to the software, soit, concernant le logiciel,
* including without limitation y compris sans restriction
* any warranty of merchantability toute garantie de valeur
* or fitness for a particular marchande ou de pertinence
* purpose. NRC shall not be pour un usage particulier.
* liable in any event for any Le CNRC ne pourra en aucun cas
* damages, whether direct or être tenu responsable de tout
* indirect, special or general, dommage, direct ou indirect,
* consequential or incidental, particulier ou général,
* arising from the use of the accessoire ou fortuit, résultant
* software. Neither the name de l'utilisation du logiciel. Ni
* of the National Research le nom du Conseil National de
* Council of Canada nor the Recherches du Canada ni les noms
* names of its contributors may de ses participants ne peuvent
* be used to endorse or promote être utilisés pour approuver ou
* products derived from this promouvoir les produits dérivés
* software without specific prior de ce logiciel sans autorisation
* written permission. préalable et particulière
* par écrit.
*
* This file is part of the Ce fichier fait partie du projet
* OpenCADC project. OpenCADC.
*
* OpenCADC is free software: OpenCADC est un logiciel libre ;
* you can redistribute it and/or vous pouvez le redistribuer ou le
* modify it under the terms of modifier suivant les termes de
* the GNU Affero General Public la “GNU Affero General Public
* License as published by the License” telle que publiée
* Free Software Foundation, par la Free Software Foundation
* either version 3 of the : soit la version 3 de cette
* License, or (at your option) licence, soit (à votre gré)
* any later version. toute version ultérieure.
*
* OpenCADC is distributed in the OpenCADC est distribué
* hope that it will be useful, dans l’espoir qu’il vous
* but WITHOUT ANY WARRANTY; sera utile, mais SANS AUCUNE
* without even the implied GARANTIE : sans même la garantie
* warranty of MERCHANTABILITY implicite de COMMERCIALISABILITÉ
* or FITNESS FOR A PARTICULAR ni d’ADÉQUATION À UN OBJECTIF
* PURPOSE. See the GNU Affero PARTICULIER. Consultez la Licence
* General Public License for Générale Publique GNU Affero
* more details. pour plus de détails.
*
* You should have received Vous devriez avoir reçu une
* a copy of the GNU Affero copie de la Licence Générale
* General Public License along Publique GNU Affero avec
* with OpenCADC. If not, see OpenCADC ; si ce n’est
* <http://www.gnu.org/licenses/>. pas le cas, consultez :
* <http://www.gnu.org/licenses/>.
*
* $Revision: 4 $
*
************************************************************************
*/
package ca.nrc.cadc.auth;
Patrick Dowler
committed
import ca.nrc.cadc.ac.Group;
import ca.nrc.cadc.ac.Role;
import ca.nrc.cadc.ac.User;
import ca.nrc.cadc.ac.UserNotFoundException;
import ca.nrc.cadc.ac.server.PluginFactory;
import ca.nrc.cadc.ac.server.UserPersistence;
import ca.nrc.cadc.profiler.Profiler;
import org.apache.log4j.Logger;
import javax.security.auth.Subject;
import java.security.Principal;
/**
* Implementation of default Authenticator for AuthenticationUtil in cadcUtil.
* This class augments the subject with additional identities using the
* access control library.
*
* @author pdowler
*/
public class AuthenticatorImpl implements Authenticator
{
private static final Logger log = Logger.getLogger(AuthenticatorImpl.class);
public AuthenticatorImpl() { }
/**
* @param subject
* @return the possibly modified subject
*/
public Subject getSubject(Subject subject)
{
Profiler profiler = new Profiler(AuthenticatorImpl.class);
AuthMethod am = AuthenticationUtil.getAuthMethod(subject);
if (am == null || AuthMethod.ANON.equals(am))
return subject;
if (subject != null && subject.getPrincipals().size() > 0)
{
Profiler prof = new Profiler(AuthenticatorImpl.class);
this.augmentSubject(subject);
prof.checkpoint("userDAO.augmentSubject()");
// if the caller had an invalid or forged CADC_SSO cookie, we could get
// in here and then not match any known identity: drop to anon
if ( subject.getPrincipals(HttpPrincipal.class).isEmpty() ) // no matching cadc account
{
log.debug("HttpPrincipal not found - dropping to anon: " + subject);
subject = AuthenticationUtil.getAnonSubject();
}
}
return subject;
}
public void augmentSubject(final Subject subject)
{
try
{
Profiler profiler = new Profiler(AuthenticatorImpl.class);
PluginFactory pluginFactory = new PluginFactory();
UserPersistence userPersistence = pluginFactory.createUserPersistence();
User user = userPersistence.getAugmentedUser(subject.getPrincipals().iterator().next());
if (user.getIdentities() != null)
{
log.debug("Found " + user.getIdentities().size() + " principals after argument");
}
else
{
log.debug("Null identities after augment");
}
subject.getPrincipals().addAll(user.getIdentities());
Patrick Dowler
committed
log.debug("found: " + user.appData.getClass().getName());
try
{
GroupMemberships gms = (GroupMemberships) user.appData;
Patrick Dowler
committed
for (Group g : gms.getMemberships(Role.ADMIN))
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log.debug("GroupMemberships admin: " + g.getID());
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for (Group g : gms.getMemberships(Role.MEMBER))
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committed
log.debug("GroupMemberships member: " + g.getID());
subject.getPrivateCredentials().add(gms);
}
catch(Exception bug)
{
throw new RuntimeException("BUG: found User.appData but could not store in Subject as GroupMemberships cache", bug);
}
}
Patrick Dowler
committed
user.appData = null; // avoid loop that prevents GC???
profiler.checkpoint("augmentSubject");
// ignore, could be an anonymous user
log.debug("could not find user for augmenting", e);
{
throw new IllegalStateException("Internal error", e);
}