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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.ac.server.ldap;
import ca.nrc.cadc.ac.UserAlreadyExistsException;
import ca.nrc.cadc.auth.HttpPrincipal;
import ca.nrc.cadc.auth.NumericPrincipal;
import ca.nrc.cadc.auth.OpenIdPrincipal;
import ca.nrc.cadc.net.TransientException;
import com.unboundid.ldap.sdk.DN;
import com.unboundid.ldap.sdk.LDAPConnection;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.ldap.sdk.SearchResult;
import com.unboundid.ldap.sdk.SearchScope;
import java.nio.file.FileAlreadyExistsException;
import java.security.AccessControlException;
import java.security.AccessController;
import java.security.GeneralSecurityException;
import java.security.Principal;
import java.util.Set;
import javax.net.SocketFactory;
import javax.net.ssl.SSLSocketFactory;
import javax.security.auth.Subject;
import javax.security.auth.x500.X500Principal;
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import org.apache.log4j.Logger;
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private static final Logger logger = Logger.getLogger(LdapDAO.class);
LdapConfig config;
DN subjDN = null;
public LdapDAO(LdapConfig config)
{
if (config == null)
{
throw new IllegalArgumentException("LDAP config required");
}
this.config = config;
}
public void close()
{
conn = new LDAPConnection(getSocketFactory(), config.getServer(),
config.getPort());
conn.bind(config.getAdminUserDN(), config.getAdminPasswd());
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private SocketFactory getSocketFactory()
{
final SocketFactory socketFactory;
if (config.isSecure())
{
socketFactory = createSSLSocketFactory();
}
else
{
socketFactory = SocketFactory.getDefault();
}
return socketFactory;
}
private SSLSocketFactory createSSLSocketFactory()
{
try
{
return new com.unboundid.util.ssl.SSLUtil().
createSSLSocketFactory();
}
catch (GeneralSecurityException e)
{
throw new RuntimeException("Unexpected error.", e);
}
}
protected DN getSubjectDN() throws LDAPException
{
if (subjDN == null)
{
Subject.getSubject(AccessController.getContext());
if (callerSubject == null)
{
throw new AccessControlException("Caller not authenticated.");
}
Set<Principal> principals = callerSubject.getPrincipals();
{
throw new AccessControlException("Caller not authenticated.");
}
String ldapField = null;
for (Principal p : principals)
{
{
ldapField = "(uid=" + p.getName() + ")";
break;
}
{
ldapField = "(entryid=" + p.getName() + ")";
break;
}
{
ldapField = "(distinguishedname=" + p.getName() + ")";
break;
}
{
ldapField = "(openid=" + p.getName() + ")";
break;
}
}
if (ldapField == null)
{
throw new AccessControlException("Identity of caller unknown.");
}
SearchResult searchResult =
getConnection().search(config.getUsersDN(), SearchScope.ONE,
ldapField, "entrydn");
if (searchResult.getEntryCount() < 1)
{
throw new AccessControlException(
"No LDAP account when search with rule " + ldapField);
subjDN = (searchResult.getSearchEntries().get(0))
.getAttributeValueAsDN("entrydn");
/**
* Checks the Ldap result code, and if the result is not SUCCESS,
* throws an appropriate exception. This is the place to decide on
* mapping between ldap errors and exception types
*
* @param code The code returned from an LDAP request.
* @throws TransientException
protected static void checkLdapResult(ResultCode code)
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logger.debug("Ldap result: " + code);
if (code == ResultCode.INSUFFICIENT_ACCESS_RIGHTS)
{
throw new AccessControlException("Not authorized ");
}
else if (code == ResultCode.INVALID_CREDENTIALS)
{
throw new AccessControlException("Invalid credentials ");
else if ((code == ResultCode.SUCCESS) || (code == ResultCode.NO_SUCH_OBJECT))
{
// all good. nothing to do
}
else if (code == ResultCode.PARAM_ERROR)
{
throw new IllegalArgumentException("Error in Ldap parameters ");
else if (code == ResultCode.BUSY || code == ResultCode.CONNECT_ERROR)
throw new TransientException("Connection problems ");
throw new RuntimeException("Ldap error (" + code.getName() + ")");