com.openkm.servlet.PasswordResetServlet.java Source code

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Here is the source code for com.openkm.servlet.PasswordResetServlet.java

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/**
 * OpenKM, Open Document Management System (http://www.openkm.com)
 * Copyright (c) 2006-2015 Danilo Tomasoni
 * 
 * No bytes were intentionally harmed during the development of this application.
 * 
 * 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.
 */

package com.openkm.servlet;

import java.io.IOException;

import javax.mail.MessagingException;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.RandomStringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.openkm.core.Config;
import com.openkm.core.DatabaseException;
import com.openkm.dao.AuthDAO;
import com.openkm.dao.bean.User;
import com.openkm.util.MailUtils;
import com.openkm.util.WebUtils;

public class PasswordResetServlet extends HttpServlet {
    private static Logger log = LoggerFactory.getLogger(PasswordResetServlet.class);
    private static final long serialVersionUID = 1L;

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        ServletContext sc = getServletContext();
        sc.removeAttribute("forgot");
        sc.removeAttribute("failed");
        response.sendRedirect("login.jsp");
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        String username = WebUtils.getString(request, "username");
        ServletContext sc = getServletContext();
        User usr = null;

        if (Config.USER_PASSWORD_RESET) {
            try {
                usr = AuthDAO.findUserByPk(username);
            } catch (DatabaseException e) {
                log.error(getServletName() + " User '" + username + "' not found");
            }

            if (usr != null) {
                try {
                    String password = RandomStringUtils.randomAlphanumeric(8);
                    AuthDAO.updateUserPassword(username, password);
                    MailUtils.sendMessage(usr.getEmail(), usr.getEmail(), "Password reset", "Your new password is: "
                            + password + "<br/>"
                            + "To change it log in and then go to 'Tools' > 'Preferences' > 'User Configuration'.");
                    sc.setAttribute("resetOk", usr.getEmail());
                    response.sendRedirect("password_reset.jsp");
                } catch (MessagingException e) {
                    log.error(e.getMessage(), e);
                    sc.setAttribute("resetFailed", "Failed to send the new password by email");
                    response.sendRedirect("password_reset.jsp");
                } catch (DatabaseException e) {
                    log.error(e.getMessage(), e);
                    sc.setAttribute("resetFailed", "Failed reset the user password");
                    response.sendRedirect("password_reset.jsp");
                }
            } else {
                sc.setAttribute("resetFailed", "Invalid user name provided");
                sc.getRequestDispatcher("/password_reset.jsp").forward(request, response);
            }
        } else {
            sc.getRequestDispatcher("/login.jsp").forward(request, response);
        }
    }
}