ejportal.webapp.action.SignupAction.java Source code

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Here is the source code for ejportal.webapp.action.SignupAction.java

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/**************************************************************************
 * ejPortal
 * ==============================================
 * Copyright (C) 2010-2012 by 
 *   - Christoph P. Neumann (http://www.chr15t0ph.de)
 *   - Florian Irmert
 *   - and the SWAT 2010 team
 **************************************************************************
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 **************************************************************************
 * $Id$
 *************************************************************************/
package ejportal.webapp.action;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;
import org.appfuse.Constants;
import org.appfuse.model.User;
import org.appfuse.service.UserExistsException;
import org.springframework.mail.MailException;
import org.springframework.security.AccessDeniedException;
import org.springframework.security.context.SecurityContextHolder;
import org.springframework.security.providers.UsernamePasswordAuthenticationToken;

import com.opensymphony.xwork2.Action;

import ejportal.webapp.util.RequestUtil;

/**
 * Action to allow new users to sign up.
 */
public class SignupAction extends BaseAction {

    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = 6558317334878272308L;

    /** The user. */
    private User user;

    /** The cancel. */
    private String cancel;

    /**
     * Sets the cancel.
     * 
     * @param cancel
     *            the new cancel
     */
    public void setCancel(final String cancel) {
        this.cancel = cancel;
    }

    /**
     * Sets the user.
     * 
     * @param user
     *            the new user
     */
    public void setUser(final User user) {
        this.user = user;
    }

    /**
     * Return an instance of the user - to display when validation errors occur.
     * 
     * @return a populated user
     */
    public User getUser() {
        return this.user;
    }

    /**
     * When method=GET, "input" is returned. Otherwise, "success" is returned.
     * 
     * @return cancel, input or success
     */
    @Override
    public String execute() {
        if (this.cancel != null)
            return BaseAction.CANCEL;
        if (ServletActionContext.getRequest().getMethod().equals("GET"))
            return Action.INPUT;
        return Action.SUCCESS;
    }

    /**
     * Returns "input".
     * 
     * @return "input" by default
     */
    @Override
    public String doDefault() {
        return Action.INPUT;
    }

    /**
     * Save the user, encrypting their passwords if necessary.
     * 
     * @return success when good things happen
     * @throws Exception
     *             when bad things happen
     */
    public String save() throws Exception {
        this.user.setEnabled(true);

        // Set the default user role on this new user
        // user.addRole(roleManager.getRole(Constants.USER_ROLE));

        // TODO hier geaendert -- evtl nicht so schoen
        this.user.addRole(this.roleManager.getRole("ROLE_EXTERN"));

        try {
            this.userManager.saveUser(this.user);
        } catch (final AccessDeniedException ade) {
            // thrown by UserSecurityAdvice configured in aop:advisor
            // userManagerSecurity
            this.log.warn(ade.getMessage());
            this.getResponse().sendError(HttpServletResponse.SC_FORBIDDEN);
            return null;
        } catch (final UserExistsException e) {
            this.log.warn(e.getMessage());
            final List<Object> args = new ArrayList<Object>();
            args.add(this.user.getUsername());
            args.add(this.user.getEmail());
            this.addActionError(this.getText("errors.existing.user", args));

            // redisplay the unencrypted passwords
            this.user.setPassword(this.user.getConfirmPassword());
            return Action.INPUT;
        }

        this.saveMessage(this.getText("user.registered"));
        this.getSession().setAttribute(Constants.REGISTERED, Boolean.TRUE);

        // log user in automatically
        final UsernamePasswordAuthenticationToken auth = new UsernamePasswordAuthenticationToken(
                this.user.getUsername(), this.user.getConfirmPassword(), this.user.getAuthorities());
        auth.setDetails(this.user);
        SecurityContextHolder.getContext().setAuthentication(auth);

        // Send an account information e-mail
        this.mailMessage.setSubject(this.getText("signup.email.subject"));

        try {
            this.sendUserMessage(this.user, this.getText("signup.email.message"),
                    RequestUtil.getAppURL(this.getRequest()));
        } catch (final MailException me) {
            this.addActionError(me.getMostSpecificCause().getMessage());
        }

        return Action.SUCCESS;
    }
}