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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.web.users;
import java.io.IOException;
import java.security.AccessControlException;
import java.security.Principal;
import java.security.PrivilegedExceptionAction;
import java.util.TreeSet;
import javax.security.auth.Subject;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import ca.nrc.cadc.ac.UserNotFoundException;
import ca.nrc.cadc.ac.server.ldap.LdapUserDAO;
import ca.nrc.cadc.net.TransientException;
import org.apache.log4j.Logger;
import ca.nrc.cadc.ac.User;
import ca.nrc.cadc.ac.server.ldap.LdapUserPersistence;
import ca.nrc.cadc.auth.AuthenticationUtil;
import ca.nrc.cadc.auth.HttpPrincipal;
import ca.nrc.cadc.log.ServletLogInfo;
import ca.nrc.cadc.util.StringUtil;
import org.omg.CORBA.UserException;
Dustin Jenkins
committed
/**
* Servlet to handle password changes. Passwords are an integral part of the
* access control system and are handled differently to accommodate stricter
* guidelines.
* <p/>
* This servlet handles POST only. It relies on the Subject being set higher
* up by the AccessControlFilter as configured in the web descriptor.
*/
public class PasswordServlet extends HttpServlet
{
private static final Logger log = Logger.getLogger(PasswordServlet.class);
Dustin Jenkins
committed
Dustin Jenkins
committed
*
* @param request The HTTP Request.
* @param response The HTTP Response.
* @throws IOException Any errors that are not expected.
Dustin Jenkins
committed
public void doPost(final HttpServletRequest request,
final HttpServletResponse response)
throws IOException
{
final long start = System.currentTimeMillis();
final ServletLogInfo logInfo = new ServletLogInfo(request);
log.info(logInfo.start());
try
final Subject subject = AuthenticationUtil.getSubject(request);
if ((subject == null) || (subject.getPrincipals().isEmpty()))
{
logInfo.setMessage("Unauthorized subject");
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
}
else
{
Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
{
public Object run() throws Exception
Dustin Jenkins
committed
{
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LdapUserPersistence<Principal> dao = new LdapUserPersistence<Principal>();
User<Principal> user;
try
{
user = dao.getUser(subject.getPrincipals().iterator().next());
}
catch (UserNotFoundException e)
{
throw new AccessControlException("User not found");
}
Subject logSubject = new Subject(false, user.getIdentities(),
new TreeSet(), new TreeSet());
logInfo.setSubject(logSubject);
String oldPassword = request.getParameter("old_password");
String newPassword = request.getParameter("new_password");
if (StringUtil.hasText(oldPassword))
{
if (StringUtil.hasText(newPassword))
{
dao.setPassword(user, oldPassword, newPassword);
}
else
{
throw new IllegalArgumentException("Missing new password");
}
}
else
{
throw new IllegalArgumentException("Missing old password");
}
return null;
}
});
}
}
catch (IllegalArgumentException e)
{
log.debug(e.getMessage(), e);
logInfo.setMessage(e.getMessage());
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
}
catch (AccessControlException e)
{
log.debug(e.getMessage(), e);
logInfo.setMessage(e.getMessage());
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
}
catch (Throwable t)
{
String message = "Internal Server Error: " + t.getMessage();
log.error(message, t);
logInfo.setSuccess(false);
logInfo.setMessage(message);
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
finally
{
logInfo.setElapsedTime(System.currentTimeMillis() - start);
log.info(logInfo.end());
}