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/*
* This program is a part of the IoTa Project.
*
* Copyright © 2008-2012 Université de Caen Basse-Normandie, GREYC
* Copyright © 2008-2012 Orange Labs
*
* 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 3 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.
* <http://www.gnu.org/licenses/>
*
* See AUTHORS for a list of contributors.
*/
package fr.unicaen.iota.discovery.server.servlet;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
*
*/
public class RootAccountAuth extends HttpServlet {

private static final String PROP_FILE = "root-account.properties";
private static final Log log = LogFactory.getLog(RootAccountAuth.class);

/**
* Processes requests for both HTTP
* <code>GET</code> and
* <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String message = "";
String action = request.getParameter("action");
if ("login".equals(action)) {
if (!login(request)) {
message = "?message=bad login or password";
} else {
request.getSession().setAttribute("root-account", "logged");
}
} else if ("logout".equals(action)) {
request.getSession().setAttribute("root-account", null);
}
response.sendRedirect(getServletContext().getContextPath() + "/test" + message);
}

// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP
* <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}

/**
* Handles the HTTP
* <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}

/**
* Returns a short description of the servlet.
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>

private boolean login(HttpServletRequest request) {
String login = request.getParameter("login");
String pass = request.getParameter("passwd");
Properties properties = new Properties();
InputStream is = this.getClass().getClassLoader().getResourceAsStream(PROP_FILE);
try {
properties.load(is);
} catch (IOException ex) {
log.fatal(null, ex);
return false;
}
String pLogin = properties.getProperty("login");
if (pLogin == null || !pLogin.equals(login)) {
return false;
}
String pPass = properties.getProperty("password");
if (pPass == null || !pPass.equals(pass)) {
return false;
}
return true;
}
}
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