alfresco-community-repo/source/java/org/alfresco/web/bean/users/DeleteUserDialog.java

/*
 * Copyright (C) 2005-2007 Alfresco Software Limited.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 * As a special exception to the terms and conditions of version 2.0 of 
 * the GPL, you may redistribute this Program in connection with Free/Libre 
 * and Open Source Software ("FLOSS") applications as described in Alfresco's 
 * FLOSS exception.  You should have recieved a copy of the text describing 
 * the FLOSS exception, and it is also available here: 
 * http://www.alfresco.com/legal/licensing"
 */
package org.alfresco.web.bean.users;

import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
import javax.transaction.UserTransaction;

import org.alfresco.repo.security.authentication.AuthenticationException;
import org.alfresco.service.cmr.repository.InvalidNodeRefException;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.search.SearchParameters;
import org.alfresco.service.cmr.search.SearchService;
import org.alfresco.service.cmr.security.AuthenticationService;
import org.alfresco.service.cmr.security.PersonService;
import org.alfresco.util.ISO9075;
import org.alfresco.web.app.Application;
import org.alfresco.web.bean.LoginBean;
import org.alfresco.web.bean.dialog.BaseDialogBean;
import org.alfresco.web.bean.repository.MapNode;
import org.alfresco.web.bean.repository.Node;
import org.alfresco.web.bean.repository.Repository;
import org.alfresco.web.ui.common.Utils;
import org.alfresco.web.ui.common.component.UIActionLink;
import org.apache.log4j.Logger;

public class DeleteUserDialog extends BaseDialogBean {
    
    private static Logger logger = Logger.getLogger(DeleteUserDialog.class);

    private static final String ERROR_DELETE = "error_delete_user";

    private static final String ERROR_USER_DELETE = "error_delete_user_object";

    private static final String BUTTON_YES = "yes";

    private static final String MSG_TITLE_DELETE_USER = "title_delete_user";

    private static final String BUTTON_NO = "no";

    private AuthenticationService authenticationService;

    private List<Node> users = Collections.<Node> emptyList();

    private PersonService personService;

    private Node person = null;

    private String searchCriteria = null;

    @Override
    public boolean getFinishButtonDisabled() {
        return false;
    }

    @Override
    protected String finishImpl(FacesContext context, String outcome) throws Exception {
        try {
            String userName = (String) getPerson().getProperties().get("userName");

            // we only delete the user auth if Alfresco is managing the authentication 
            Map session = context.getExternalContext().getSessionMap();
            if (session.get(LoginBean.LOGIN_EXTERNAL_AUTH) == null) {
                // delete the User authentication
                try {
                    authenticationService.deleteAuthentication(userName);
                } catch (AuthenticationException authErr) {
                    Utils.addErrorMessage(Application.getMessage(context, ERROR_USER_DELETE));
                }
            }

            // delete the associated Person
            this.personService.deletePerson(userName);

            // re-do the search to refresh the list
            search();
        } catch (Throwable e) {
            // rollback the transaction
            Utils.addErrorMessage(MessageFormat.format(Application.getMessage(context, ERROR_DELETE), e.getMessage()),
                    e);
        }

        return outcome;
    }

    public String search() {

        if (this.searchCriteria == null || this.searchCriteria.length() == 0) {
            this.users = Collections.<Node> emptyList();
        } else {
            FacesContext context = FacesContext.getCurrentInstance();
            UserTransaction tx = null;

            try {
                tx = Repository.getUserTransaction(context, true);
                tx.begin();

                // define the query to find people by their first or last name
                String search = ISO9075.encode(this.searchCriteria);
                String query = "( TYPE:\"{http://www.alfresco.org/model/content/1.0}person\") AND "
                        + "((@\\{http\\://www.alfresco.org/model/content/1.0\\}firstName:" + search
                        + "*) OR (@\\{http\\://www.alfresco.org/model/content/1.0\\}lastName:" + search
                        + "*) OR (@\\{http\\://www.alfresco.org/model/content/1.0\\}userName:" + search + "*)))";

                if (logger.isDebugEnabled())
                    logger.debug("Query: " + query);

                // define the search parameters
                SearchParameters params = new SearchParameters();
                params.setLanguage(SearchService.LANGUAGE_LUCENE);
                params.addStore(Repository.getStoreRef());
                params.setQuery(query);

                List<NodeRef> people = this.getSearchService().query(params).getNodeRefs();

                if (logger.isDebugEnabled())
                    logger.debug("Found " + people.size() + " users");

                this.users = new ArrayList<Node>(people.size());

                for (NodeRef nodeRef : people) {
                    // create our Node representation
                    MapNode node = new MapNode(nodeRef);

                    // set data binding properties
                    // this will also force initialisation of the props now during the UserTransaction
                    // it is much better for performance to do this now rather than during page bind
                    Map<String, Object> props = node.getProperties();
                    props.put("fullName", ((String) props.get("firstName")) + ' ' + ((String) props.get("lastName")));
                    NodeRef homeFolderNodeRef = (NodeRef) props.get("homeFolder");
                    if (homeFolderNodeRef != null) {
                        props.put("homeSpace", homeFolderNodeRef);
                    }

                    this.users.add(node);
                }

                // commit the transaction
                tx.commit();
            } catch (InvalidNodeRefException refErr) {
                Utils.addErrorMessage(MessageFormat.format(Application.getMessage(context, Repository.ERROR_NODEREF),
                        new Object[] { "root" }));
                this.users = Collections.<Node> emptyList();
                try {
                    if (tx != null) {
                        tx.rollback();
                    }
                } catch (Exception tex) {
                }
            } catch (Exception err) {
                Utils.addErrorMessage(MessageFormat.format(Application.getMessage(context, Repository.ERROR_GENERIC),
                        err.getMessage()), err);
                this.users = Collections.<Node> emptyList();
                try {
                    if (tx != null) {
                        tx.rollback();
                    }
                } catch (Exception tex) {
                }
            }
        }

        // return null to stay on the same page
        return null;
    }

    public void setupUserAction(ActionEvent event) {
        UIActionLink link = (UIActionLink) event.getComponent();
        Map<String, String> params = link.getParameterMap();
        String id = params.get("id");
        if (id != null && id.length() != 0) {
            if (logger.isDebugEnabled())
                logger.debug("Setup for action, setting current Person to: " + id);

            try {
                // create the node ref, then our node representation
                NodeRef ref = new NodeRef(Repository.getStoreRef(), id);
                Node node = new Node(ref);

                // remember the Person node
                setPerson(node);
            } catch (InvalidNodeRefException refErr) {
                Utils.addErrorMessage(MessageFormat.format(Application.getMessage(FacesContext.getCurrentInstance(),
                        Repository.ERROR_NODEREF), new Object[] { id }));
            }
        } else {
            setPerson(null);
        }
    }

    public AuthenticationService getAuthenticationService() {
        return authenticationService;
    }

    public void setAuthenticationService(AuthenticationService authenticationService) {
        this.authenticationService = authenticationService;
    }

    public PersonService getPersonService() {
        return personService;
    }

    public void setPersonService(PersonService personService) {
        this.personService = personService;
    }

    public Node getPerson() {
        return person;
    }

    public void setPerson(Node person) {
        this.person = person;
    }

    @Override
    public String getCancelButtonLabel() {
        return Application.getMessage(FacesContext.getCurrentInstance(), BUTTON_NO);
    }

    @Override
    public String getFinishButtonLabel() {
        return Application.getMessage(FacesContext.getCurrentInstance(), BUTTON_YES);
    }

    @Override
    public String getContainerTitle() {
        return Application.getMessage(FacesContext.getCurrentInstance(), MSG_TITLE_DELETE_USER) + " '"
                + getPerson().getProperties().get("userName") + "'";
    }
}