/*
************************************************************************
******************* CANADIAN ASTRONOMY DATA CENTRE *******************
************** CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES **************
*
* (c) 2017. (c) 2017.
* 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
* . pas le cas, consultez :
* .
*
* $Revision: 4 $
*
************************************************************************
*/
package ca.nrc.cadc.auth;
import java.io.File;
import java.net.URI;
import java.net.URL;
import java.security.Principal;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.sql.Types;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import javax.security.auth.Subject;
import javax.security.auth.x500.X500Principal;
import org.apache.log4j.Logger;
import ca.nrc.cadc.ac.User;
import ca.nrc.cadc.ac.client.UserClient;
import ca.nrc.cadc.profiler.Profiler;
import ca.nrc.cadc.reg.Standards;
import ca.nrc.cadc.reg.client.LocalAuthority;
import ca.nrc.cadc.reg.client.RegistryClient;
import ca.nrc.cadc.vosi.avail.CheckResource;
import ca.nrc.cadc.vosi.avail.CheckWebService;
/**
* AC implementation of the IdentityManager interface. This
* implementation returns the NumericPrincipal.
*
* @author pdowler
*/
public class ACIdentityManager implements IdentityManager
{
private static final Logger log = Logger.getLogger(ACIdentityManager.class);
private static final File DEFAULT_PRIVILEGED_PEM_FILE = new File(System.getProperty("user.home") + "/.ssl/cadcproxy.pem");
private static final String ALT_PEM_KEY = ACIdentityManager.class.getName() + ".pemfile";
private File privilegedPemFile;
public ACIdentityManager()
{
privilegedPemFile = DEFAULT_PRIVILEGED_PEM_FILE;
String altPemFile = System.getProperty(ALT_PEM_KEY);
if (altPemFile != null)
{
privilegedPemFile = new File(altPemFile);
}
}
/**
* Returns a storage type constant from java.sql.Types.
*
* @return Types.INTEGER
*/
public int getOwnerType()
{
return Types.INTEGER;
}
/**
* Returns a value of type specified by getOwnerType() for storage.
*
* @param subject
* @return an Integer internal CADC ID
*/
public Object toOwner(Subject subject)
{
X500Principal x500Principal = null;
if (subject != null)
{
Set principals = subject.getPrincipals();
for (Principal principal : principals)
{
if (principal instanceof NumericPrincipal)
{
NumericPrincipal cp = (NumericPrincipal) principal;
UUID id = cp.getUUID();
Long l = Long.valueOf(id.getLeastSignificantBits());
return l.intValue();
}
if (principal instanceof X500Principal)
{
x500Principal = (X500Principal) principal;
}
}
}
if (x500Principal == null)
{
return null;
}
// The user has connected with a valid client cert but does
// not have an account (no numeric principal).
// Create an auto-approved account with their x500Principal.
NumericPrincipal numericPrincipal = createX500User(x500Principal);
subject.getPrincipals().add(numericPrincipal);
return Long.valueOf(numericPrincipal.getUUID().getLeastSignificantBits());
}
private NumericPrincipal createX500User(final X500Principal x500Principal)
{
PrivilegedExceptionAction action = new PrivilegedExceptionAction()
{
@Override
public NumericPrincipal run() throws Exception
{
LocalAuthority localAuth = new LocalAuthority();
URI serviceURI = localAuth.getServiceURI(Standards.UMS_USERS_01.toASCIIString());
UserClient userClient = new UserClient(serviceURI);
User newUser = userClient.createUser(x500Principal);
Set set = newUser.getIdentities(NumericPrincipal.class);
if (set.isEmpty())
{
throw new IllegalStateException("missing internal id");
}
return set.iterator().next();
}
};
Subject servopsSubject = SSLUtil.createSubject(privilegedPemFile);
try
{
return Subject.doAs(servopsSubject, action);
}
catch (Exception e)
{
throw new IllegalStateException("failed to create internal id for user " + x500Principal.getName(), e);
}
}
/**
* Get a consistent string representation of the user.
*
* @param subject
* @return an X509 distinguished name
*/
public String toOwnerString(Subject subject)
{
if (subject != null)
{
Set principals = subject.getPrincipals();
for (Principal principal : principals)
{
if (principal instanceof X500Principal)
{
return principal.getName();
}
}
}
return null;
}
/**
* Reconstruct the subject from the stored object. This method also
* re-populates the subject with all know alternate principals.
*
* @param o the stored object
* @return the complete subject
*/
public Subject toSubject(Object o)
{
try
{
if (o == null || !(o instanceof Integer))
{
return null;
}
Integer i = (Integer) o;
if (i <= 0)
{
// identities <= 0 are internal
return new Subject();
}
UUID uuid = new UUID(0L, (long) i);
NumericPrincipal p = new NumericPrincipal(uuid);
Set pset = new HashSet();
pset.add(p);
Subject ret = new Subject(false, pset, new HashSet(), new HashSet());
Profiler prof = new Profiler(ACIdentityManager.class);
augmentSubject(ret);
prof.checkpoint("CadcIdentityManager.augmentSubject");
return ret;
}
finally
{
}
}
public void augmentSubject(final Subject subject)
{
try
{
PrivilegedExceptionAction