PasswordHint.java

package org.appfuse.webapp.pages;

import de.agilecoders.wicket.core.markup.html.bootstrap.common.NotificationMessage;
import org.apache.wicket.RestartResponseException;
import org.apache.wicket.model.ResourceModel;
import org.apache.wicket.model.StringResourceModel;
import org.apache.wicket.request.Url;
import org.apache.wicket.request.cycle.RequestCycle;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.appfuse.model.User;
import org.appfuse.service.MailEngine;
import org.appfuse.service.UserManager;
import org.springframework.mail.MailException;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.wicketstuff.annotation.mount.MountPath;

/**
 * Service page used for sending password hint.
 *
 * @author Marcin Zajączkowski, 2011-02-11
 */
@MountPath("passwordHint/${username}")
public class PasswordHint extends AbstractWebPage {

    @SpringBean
    private UserManager userManager;

    @SpringBean
    private MailEngine mailEngine;

    private final PageParameters parameters;

    public PasswordHint(PageParameters parameters) {
        this.parameters = parameters;
    }

    @Override
    protected void onInitialize() {
        super.onInitialize();

        String username = parameters.get("username").toString();
        log.debug("username {}", username);

        if (username == null || "".equals(username)) {
            log.warn("Username not specified, notifying user that it's a required field.");
            getSession().error(new NotificationMessage(
                    new StringResourceModel("errors.required", this, null, new Object[]{"username"})));
            throw new RestartResponseException(Login.class);
        }

        log.debug("Processing Password Hint for username: {}", username);

        // look up the user's information
        try {
            User user = userManager.getUserByUsername(username);

            StringBuilder msg = new StringBuilder();
            msg.append("Your password hint is: ").append(user.getPasswordHint());
            msg.append("\n\nLogin at: ")
                    .append(RequestCycle.get().getUrlRenderer().renderFullUrl(
                            Url.parse(urlFor(Login.class, null).toString())));

            SimpleMailMessage message = new SimpleMailMessage();
            message.setTo(user.getEmail());

            String subject = '[' + getString("webapp.name") + "] " + getString("user.passwordHint");
            message.setSubject(subject);
            message.setText(msg.toString());
            log.debug("subject: {}", subject);
            log.debug("message: {}", message);
            mailEngine.send(message);

            getSession().info(createDefaultInfoNotificationMessage(new StringResourceModel(
                    "login.passwordHint.sent", this, null, new Object[] {username, "provided email address"})));
        } catch (UsernameNotFoundException e) {
            log.warn(e.getMessage());
            // This exception is expected to not be rethrown
            getSession().error(new NotificationMessage(new StringResourceModel(
                    "login.passwordHint.error", this, null, new Object[] {username})));
        } catch (MailException me) {
            log.error(me.getMessage(), me);
            getSession().error(new NotificationMessage(new ResourceModel("errors.sending.email")));
        }

        throw new RestartResponseException(Login.class);
    }
}