LdapUserDAOTest.java

/*
 ************************************************************************
 *******************  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
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 *  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,
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 *  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
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 *  products derived from this           promouvoir les produits dérivés
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 *  This file is part of the             Ce fichier fait partie du projet
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 *  OpenCADC is distributed in the       OpenCADC est distribué
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 *  a copy of the GNU Affero             copie de la Licence Générale
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 */
package ca.nrc.cadc.ac.server.ldap;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.io.File;
import java.security.AccessControlException;
import java.security.Principal;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.Collection;

import javax.security.auth.Subject;
import javax.security.auth.x500.X500Principal;

import org.apache.log4j.Logger;
import org.junit.Test;

import ca.nrc.cadc.ac.PersonalDetails;
import ca.nrc.cadc.ac.User;
import ca.nrc.cadc.ac.UserAlreadyExistsException;
import ca.nrc.cadc.ac.UserNotFoundException;
import ca.nrc.cadc.ac.UserRequest;
import ca.nrc.cadc.auth.DNPrincipal;
import ca.nrc.cadc.auth.HttpPrincipal;
import ca.nrc.cadc.auth.NumericPrincipal;
import ca.nrc.cadc.auth.SSLUtil;

public class LdapUserDAOTest extends AbstractLdapDAOTest
{
    private static final Logger log = Logger.getLogger(LdapUserDAOTest.class);

    String createUsername()
    {
        return "CadcDaoTestUser-" + System.currentTimeMillis();
    }

    @Test
    public void testAddIllegalUsername() throws Exception
    {
        // add user using HttpPrincipal
        final String username = "$" + createUsername();
        final HttpPrincipal userID = new HttpPrincipal(username);

        final User httpExpected = new User();
        httpExpected.getIdentities().add(userID);

        PersonalDetails pd = new PersonalDetails("foo", "bar");
        pd.email = username + "@canada.ca";
        httpExpected.personalDetails = pd;

        UserRequest userRequest = new UserRequest(httpExpected, "123456".toCharArray());

        try
        {
            final LdapUserDAO httpUserDAO = getUserDAO();
            httpUserDAO.addUserRequest(userRequest);
            fail("Illegal username " + username + " should've thrown IllegalArgumentException");
        }
        catch (IllegalArgumentException expected) {}
    }

    @Test
    public void testAddUser() throws Exception
    {
        // add user using X500Principal
        String username = createUsername();
        final X500Principal userID = new X500Principal("cn=" + username + ",ou=cadc,o=hia,c=ca");

        final User testUser = new User();
        testUser.getIdentities().add(userID);

        DNPrincipal dnPrincipal = new DNPrincipal("uid=" + username + "," + config.getUsersDN());
        Subject subject = new Subject();
        subject.getPrincipals().add(dnPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run() throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    userDAO.addUser(testUser);

                    final User actual = userDAO.getUser(userID);
                    check(testUser, actual);

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });

        // TODO should test passing in both Http and X500 Principals
    }

    /**
     * Test of addUserRequest method, of class LdapUserDAO.
     */
    @Test
    public void testAddUserRequest() throws Exception
    {
        // add user using HttpPrincipal
        final String username = createUsername();
        final HttpPrincipal userID = new HttpPrincipal(username);

        final User expectedUser = new User();
        expectedUser.getIdentities().add(userID);

        expectedUser.personalDetails = new PersonalDetails("foo", "bar");
        expectedUser.personalDetails.email = username + "@canada.ca";

        UserRequest userRequest = new UserRequest(expectedUser, "123456".toCharArray());

        // Adding a new user is done anonymously
        final LdapUserDAO userDAO = getUserDAO();
        userDAO.addUserRequest(userRequest);

        DNPrincipal dnPrincipal = new DNPrincipal("uid=" + username + "," + config.getUserRequestsDN());
        Subject subject = new Subject();
        subject.getPrincipals().add(dnPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    final User actualUser = userDAO.getUserRequest(userID);
                    check(expectedUser, actualUser);

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });

        // try and add another user with the same username
        final User dupUsername = new User();
        dupUsername.getIdentities().add(userID);

        dupUsername.personalDetails = new PersonalDetails("foo", "bar");
        dupUsername.personalDetails.email = username + "@foo.com";

        UserRequest dupUsernameRequest = new UserRequest(dupUsername, "123456".toCharArray());

        try
        {
            userDAO.addUserRequest(dupUsernameRequest);
            fail("adding a duplicate user should throw a UserAlreadyExistsException");
        }
        catch (UserAlreadyExistsException expected)
        {
            log.debug("expected exception: " + expected.getMessage());
        }

        // try and add another user with the same email address
        final String username2 = createUsername();
        final HttpPrincipal userID2 = new HttpPrincipal(username);

        final User dupEmail = new User();
        dupEmail.getIdentities().add(userID2);

        dupEmail.personalDetails = new PersonalDetails("foo", "bar");
        dupEmail.personalDetails.email = username + "@canada.ca";

        UserRequest dupEmailRequest = new UserRequest(dupEmail, "123456".toCharArray());

        try
        {
            userDAO.addUserRequest(dupEmailRequest);
            fail("adding a user with an existing email address should throw a UserAlreadyExistsException");
        }
        catch (UserAlreadyExistsException expected)
        {
            log.debug("expected exception: " + expected.getMessage());
        }
    }

    /**
     * Test of getUser method, of class LdapUserDAO.
     */
    @Test
    public void testGetUserWithHttpPrincipal() throws Exception
    {
        Subject subject = new Subject();
        subject.getPrincipals().add(cadcDaoTest1_HttpPrincipal);
        subject.getPrincipals().add(cadcDaoTest1_DNPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    final User actual = userDAO.getUser(cadcDaoTest1_HttpPrincipal);
                    assertEquals(cadcDaoTest1_User.getHttpPrincipal(), actual.getHttpPrincipal());

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    @Test
    public void testGetUserWithX500Principal() throws Exception
    {
        Subject subject = new Subject();
        subject.getPrincipals().add(cadcDaoTest1_X500Principal);
        subject.getPrincipals().add(cadcDaoTest1_DNPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    final User actual = userDAO.getUser(cadcDaoTest1_X500Principal);
                    assertEquals(cadcDaoTest1_User.getHttpPrincipal(), actual.getHttpPrincipal());

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    /**
     * Test of getAugmentedUser method, of class LdapUserDAO.
     */
    @Test
    public void getGetAugmentedUser() throws Exception
    {
        Subject subject = new Subject();
        subject.getPrincipals().add(cadcDaoTest1_HttpPrincipal);
        subject.getPrincipals().add(cadcDaoTest1_DNPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    final User actual = userDAO.getUser(cadcDaoTest1_HttpPrincipal);
                    assertEquals(cadcDaoTest1_User.getHttpPrincipal(), actual.getHttpPrincipal());

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    /**
     * Test of getUserByEmailAddress method, of class LdapUserDAO.
     */
    @Test
    public void testGetUserByEmailAddress() throws Exception
    {
        // create a user with the email attribute
        final String username = createUsername();
        final String emailAddress = username +"@canada.ca";
        final HttpPrincipal userID = new HttpPrincipal(username);
        final User testUser = new User();
        testUser.personalDetails = new PersonalDetails("foo", "bar");
        testUser.personalDetails.email = username + "@canada.ca";
        testUser.getIdentities().add(userID);

        addUser(userID, testUser);

        try
        {
            // case 1: only one user matches the email address
            testGetOneUserByEmailAddress(emailAddress, username);
         }
        finally
        {
            deleteUser(userID);
        }

    }

    @Test
    public void testGetPendingUser() throws Exception
    {
        final String username = "CADCtestRequest";
        final String x500DN = "cn=" + username + ",ou=cadc,o=hia,c=ca";
        final HttpPrincipal httpPrincipal = new HttpPrincipal(username);
        final X500Principal x500Principal = new X500Principal(x500DN);

        final User pendingUser = new User();
        pendingUser.personalDetails = new PersonalDetails("CADCtest", "Request");
        pendingUser.personalDetails.email = username + "@canada.ca";
        pendingUser.getIdentities().add(httpPrincipal);
        pendingUser.getIdentities().add(x500Principal);

        UserRequest userRequest = new UserRequest(pendingUser, "123456".toCharArray());

        try
        {
            final LdapUserDAO httpUserDAO = getUserDAO();
            httpUserDAO.addUserRequest(userRequest);
        }
        catch (UserAlreadyExistsException expected) {}

        final Subject subject = new Subject();
        subject.getPrincipals().add(httpPrincipal);
        subject.getPrincipals().add(x500Principal);
        subject.getPrincipals().add(new DNPrincipal(username + "," + config.getUsersDN()));

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run() throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    final User actual = userDAO.getUserRequest(httpPrincipal);
                    check(pendingUser, actual);

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    // TODO testGetUser for a user that doesn't exist

    @Test
    public void testApproveUser() throws Exception
    {
        String username = createUsername();

        final HttpPrincipal httpPrincipal = new HttpPrincipal(username);

        final User expected = new User();
        expected.getIdentities().add(httpPrincipal);

        expected.personalDetails = new PersonalDetails("foo", "bar");
        expected.personalDetails.email = username + "@canada.ca";

        final UserRequest userRequest = new UserRequest(expected, "123456".toCharArray());

        DNPrincipal dnPrincipal = new DNPrincipal("uid=" + username + "," + config.getUsersDN());
        Subject subject = new Subject();
        subject.getPrincipals().add(dnPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run() throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    userDAO.addUserRequest(userRequest);

                    final User actual = userDAO.approveUserRequest(expected.getHttpPrincipal());
                    assertNotNull(actual);
                    assertEquals(expected.getHttpPrincipal(), actual.getHttpPrincipal());

                    User newUser = userDAO.getUser(userRequest.getUser().getHttpPrincipal());
                    assertNotNull(newUser);
                    assertEquals(expected.getHttpPrincipal(), newUser.getHttpPrincipal());

                    try
                    {
                        userDAO.getUserRequest(userRequest.getUser().getHttpPrincipal());
                        fail("approved user " + userRequest.getUser().getHttpPrincipal() +
                             " found in pending user tree");
                    }
                    catch (UserNotFoundException ignore) {}

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    @Test
    public void testUpdateUser() throws Exception
    {
        // Create a test user
        final User testUser;
        final String username = createUsername();

        final HttpPrincipal userID = new HttpPrincipal(username);
        testUser = new User();
        testUser.getIdentities().add(userID);

        testUser.personalDetails = new PersonalDetails("firstName", "lastName");
        testUser.personalDetails.email = username + "@canada.ca";

        final UserRequest userRequest = new UserRequest(testUser, "password".toCharArray());

        // add the user
        Subject subject = new Subject();
        subject.getPrincipals().add(userID);
        final User newUser = (User) Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public User run()
                throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    userDAO.addUserRequest(userRequest);
                    userDAO.approveUserRequest(userID);
                    return userDAO.getUser(userID);
                }
                catch (Exception e)
                {
                    fail("exception updating user: " + e.getMessage());
                }
                return null;
            }
        });

        // update the user
        newUser.personalDetails.address = "address2";
        newUser.personalDetails.institute = "institute2";
        newUser.personalDetails.city = "city2";
        newUser.personalDetails.country = "country2";

        // add a DN
        newUser.getIdentities().add(new X500Principal("cn=" + username + ",ou=cadc,o=hia,c=ca"));

        // update the userexpected
        subject.getPrincipals().add(userID);
        User updatedUser = (User) Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
            {
                public Object run()
                    throws Exception
                {
                    try
                    {
                        final LdapUserDAO userDAO = getUserDAO();
                        return userDAO.modifyUser(newUser);
                    }
                    catch (Exception e)
                    {
                        e.printStackTrace();
                        fail("exception updating user: " + e.getMessage());
                    }
                    return null;
                }
            });
        assertNotNull(updatedUser);
        check(newUser, updatedUser);
    }

    // TODO testUpdateUser for a user that doesn't exist

    /**
     * Test of deleteUser method, of class LdapUserDAO.
     */
    @Test
    public void deleteUser() throws Exception
    {
        String username = createUsername();

        final HttpPrincipal userID = new HttpPrincipal(username);

        final User testUser = new User();
        testUser.getIdentities().add(userID);
        testUser.personalDetails = new PersonalDetails("foo", "bar");
        testUser.personalDetails.email = username + "@canada.ca";

        final UserRequest userRequest = new UserRequest(testUser, "password".toCharArray());

        DNPrincipal dnPrincipal = new DNPrincipal("uid=" + userID + "," + config.getUsersDN());
        Subject subject = new Subject();
        subject.getPrincipals().add(dnPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    userDAO.addUserRequest(userRequest);
                    userDAO.approveUserRequest(userID);

                    userDAO.deleteUser(userID, false);

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    /**
     * Test of deleteUserRequest method, of class LdapUserDAO.
     */
    @Test
    public void deletePendingUser() throws Exception
    {
        String userID = createUsername();

        HttpPrincipal httpPrincipal = new HttpPrincipal(userID);
        X500Principal x500Principal = new X500Principal("cn=" + userID + ",ou=cadc,o=hia,c=ca");

        final User expected = new User();
        expected.getIdentities().add(httpPrincipal);
        expected.getIdentities().add(x500Principal);
        expected.personalDetails = new PersonalDetails("foo", "bar");
        expected.personalDetails.email = userID + "@canada.ca";

        final UserRequest userRequest = new UserRequest(expected, "123456".toCharArray());

        final LdapUserDAO userDAO = getUserDAO();
        userDAO.addUserRequest(userRequest);

        DNPrincipal dnPrincipal = new DNPrincipal("uid=" + userID + "," + config.getUserRequestsDN());
        Subject subject = new Subject();
        subject.getPrincipals().add(dnPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    userDAO.deleteUserRequest(expected.getHttpPrincipal());

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    @Test
    public void testGetUsers() throws Exception
    {
        // authenticated access
        Subject subject = new Subject();
        subject.getPrincipals().add(cadcDaoTest1_X500Principal);
        subject.getPrincipals().add(cadcDaoTest1_DNPrincipal);

        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run() throws Exception
            {
                try
                {
                    final Collection<User> users = getUserDAO().getUsers();
                    assertNotNull("returned users is null", users);
                    assertFalse("no users found", users.isEmpty());
                    log.debug("# users found: " + users.size());

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    @Test
    public void testGetPendingUsers() throws Exception
    {
        // authenticated access
        Subject subject = new Subject();
        subject.getPrincipals().add(cadcDaoTest1_X500Principal);
        subject.getPrincipals().add(cadcDaoTest1_DNPrincipal);

        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run() throws Exception
            {
                try
                {
                    final Collection<User> users = getUserDAO().getUserRequests();
                    assertNotNull("returned users is null", users);
                    assertFalse("no users found", users.isEmpty());
                    log.debug("# users found: " + users.size());

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

    @Test
    public void testDoLogin() throws Exception
    {
        final String username = createUsername();
        final String password = "123456";

        HttpPrincipal httpPrincipal = new HttpPrincipal(username);

        final User testUser = new User();
        testUser.getIdentities().add(httpPrincipal);

        testUser.personalDetails = new PersonalDetails("foo", "bar");
        testUser.personalDetails.email = username + "@canada.ca";

        final UserRequest userRequest = new UserRequest(testUser, password.toCharArray());

        DNPrincipal dnPrincipal = new DNPrincipal("uid=" + username + "," + config.getUsersDN());
        Subject subject = new Subject();
        subject.getPrincipals().add(dnPrincipal);

        // do everything as owner
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run() throws Exception
            {
                try
                {
                    // add a user
                    final LdapUserDAO userDAO = getUserDAO();
                    userDAO.addUserRequest(userRequest);

                    // approve the user
                    userDAO.approveUserRequest(testUser.getHttpPrincipal());

                    // login as the user
                    boolean success = userDAO.doLogin(username, password);
                    assertTrue("login failed", success);

                    // login with wrong username
                    try
                    {
                        success = userDAO.doLogin("foo", password);
                        fail("unknown username should throw AccessControlException");
                    }
                    catch (AccessControlException expected)
                    {
                        log.debug("expected exception " + expected.getMessage());
                    }

                    // login with wrong password
                    try
                    {
                        success = userDAO.doLogin(username, "foo");
                        fail("wrong password should throw AccessControlException");
                    }
                    catch (AccessControlException expected)
                    {
                        log.debug("expected exception " + expected.getMessage());
                    }

                    // delete the user
                    userDAO.deleteUser(testUser.getHttpPrincipal(), false);

                    // login as deleted user
                    try
                    {
                        success = userDAO.doLogin(username, password);
                        fail("deactivated user should throw AccessControlException");
                    }
                    catch (AccessControlException expected)
                    {
                        log.debug("expected exception " + expected.getMessage());
                    }

                    return null;
                }
                catch (Exception e)
                {
                    throw new Exception("Problems", e);
                }
            }
        });
    }

////    @Test
    public void testSetPassword() throws Exception
    {
//        LDAPConnection connection =
//            new LDAPConnection(SocketFactory.getDefault(), config.getServer(), config.getPort());
//        connection.bind(config.getAdminUserDN(), config.getAdminPasswd());
//
//        // Create an SSLUtil instance that is configured to trust any certificate.
//        SSLUtil sslUtil = new SSLUtil(new TrustAllTrustManager());
//        SSLContext sslContext = sslUtil.createSSLContext();
//        StartTLSExtendedRequest startTLSRequest = new StartTLSExtendedRequest(sslContext);
//        ExtendedResult startTLSResult = connection.processExtendedOperation(startTLSRequest);
//        LDAPTestUtils.assertResultCodeEquals(startTLSResult, ResultCode.SUCCESS);

        // Create a test user with a known password
        final User testUser;
        final String username = createUsername();
        final char[] password = "foo".toCharArray();
        final char[] newPassword = "bar".toCharArray();

        final HttpPrincipal httpPrincipal = new HttpPrincipal(username);

        testUser = new User();
        testUser.getIdentities().add(httpPrincipal);
        testUser.personalDetails = new PersonalDetails("firstName", "lastName");

        // add the user
        DNPrincipal dnPrincipal = new DNPrincipal("uid=" + username + "," + config.getUsersDN());
        Subject subject = new Subject();
        subject.getPrincipals().add(testUser.getHttpPrincipal());
        subject.getPrincipals().add(dnPrincipal);
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    userDAO.addUser(testUser);
                }
                catch (Exception e)
                {
                    fail("exception updating user: " + e.getMessage());
                }
                return null;
            }
        });

        // authenticate new username and password
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    getUserDAO().doLogin(username, String.valueOf(password));
                }
                catch (Exception e)
                {
                    fail("exception during login: " + e.getMessage());
                }
                return null;
            }
        });

        // anonymous access should throw exception
        subject = new Subject();
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    userDAO.setPassword(httpPrincipal, String.valueOf(password),
                        String.valueOf(newPassword));
                    fail("should throw exception if subject and user are not the same");
                }
                catch (Exception ignore)
                {
                }
                return null;
            }
        });

        // change the password
        subject.getPrincipals().add(testUser.getHttpPrincipal());
        subject.getPrincipals().add(dnPrincipal);
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    final LdapUserDAO userDAO = getUserDAO();
                    userDAO.setPassword(httpPrincipal, String.valueOf(password),
                        String.valueOf(newPassword));
                }
                catch (Exception e)
                {
                    e.printStackTrace();
                    fail("exception setting password: " + e.getMessage());
                }
                return null;
            }
        });

        // verify new password
        Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
        {
            public Object run()
                throws Exception
            {
                try
                {
                    getUserDAO().doLogin(username, String.valueOf(password));
                }
                catch (Exception e)
                {
                    fail("exception during login: " + e.getMessage());
                }
                return null;
            }
        });

    }

    private static void check(final User expected, final User actual)
    {
        if (expected.getID() != null)
        {
            assertEquals(expected, actual);
        }

        for (Principal p : expected.getIdentities())
        {
            log.debug("expected P: " + p.getName());
        }
        for (Principal p : actual.getIdentities())
        {
            log.debug("actual P: " + p.getName());
        }
        expected.isConsistent(actual);

        for( Principal princ1 : expected.getIdentities())
        {
            boolean found = false;
            for( Principal princ2 : actual.getIdentities())
            {
                if (princ2.getClass() == princ1.getClass())
                {
                    // NumericPrincipals are server generated, can't compare
                    if (princ2.getClass() != NumericPrincipal.class)
                    {
                        assertEquals(princ1, princ2);
                    }
                    found = true;
                }
            }
            assertTrue(princ1.getName(), found);
        }

        assertEquals(expected.personalDetails, actual.personalDetails);
        PersonalDetails pd1 = expected.personalDetails;
        PersonalDetails pd2 = actual.personalDetails;
        assertEquals(pd1, pd2);

        if (pd1 != null && pd2 != null)
        {
            assertEquals(pd1.getFirstName(), pd2.getFirstName());
            assertEquals(pd1.getLastName(), pd2.getLastName());
            assertEquals(pd1.address, pd2.address);
            assertEquals(pd1.city, pd2.city);
            assertEquals(pd1.country, pd2.country);
            assertEquals(pd1.email, pd2.email);
            assertEquals(pd1.institute, pd2.institute);
        }
    }

    private UserRequest createUserRequest(final HttpPrincipal userID, final String email)
    {
        final String username = userID.getName();
        final String password = "123456";

        final User expected = new User();
        expected.getIdentities().add(userID);

        expected.personalDetails = new PersonalDetails("foo", "bar");
        expected.personalDetails.email = email;

        final UserRequest userRequest = new UserRequest(expected, password.toCharArray());

        return userRequest;
    }

    private void addUser(final HttpPrincipal userID, final User user)
        throws Exception
    {
        final UserRequest userRequest = new UserRequest(user, "password".toCharArray());

        DNPrincipal dnPrincipal = new DNPrincipal("uid=" + userID.getName() + "," + config.getUsersDN());