src/main/java/net/sourceforge/guacamole/net/basic/BasicLogin.java

   1 package net.sourceforge.guacamole.net.basic;
   2
   3 /*
   4  *  Guacamole - Clientless Remote Desktop
   5  *  Copyright (C) 2010  Michael Jumper
   6  *
   7  *  This program is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU Affero General Public License as published by
   9  *  the Free Software Foundation, either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU Affero General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU Affero General Public License
  18  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 import net.sourceforge.guacamole.net.auth.UserConfiguration;
  22 import net.sourceforge.guacamole.net.auth.AuthenticationProvider;
  23 import java.io.IOException;
  24 import javax.servlet.ServletException;
  25 import javax.servlet.http.HttpServlet;
  26 import javax.servlet.http.HttpServletRequest;
  27 import javax.servlet.http.HttpServletResponse;
  28 import javax.servlet.http.HttpSession;
  29 import net.sourceforge.guacamole.GuacamoleException;
  30 import net.sourceforge.guacamole.net.auth.UsernamePassword;
  31 import net.sourceforge.guacamole.properties.GuacamoleProperties;
  32 import net.sourceforge.guacamole.net.basic.properties.BasicGuacamoleProperties;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class BasicLogin extends HttpServlet {
  37
  38     private Logger logger = LoggerFactory.getLogger(BasicLogin.class);
  39
  40     private AuthenticationProvider authProvider;
  41
  42     @Override
  43     public void init() throws ServletException {
  44
  45         // Get auth provider instance
  46         try {
  47             authProvider = GuacamoleProperties.getProperty(BasicGuacamoleProperties.AUTH_PROVIDER);
  48         }
  49         catch (GuacamoleException e) {
  50             logger.error("Error getting authentication provider from properties.", e);
  51             throw new ServletException(e);
  52         }
  53
  54     }
  55
  56     @Override
  57     protected void service(HttpServletRequest request, HttpServletResponse response)
  58     throws IOException {
  59
  60         HttpSession httpSession = request.getSession(true);
  61
  62         // Retrieve username and password from parms
  63         String username = request.getParameter("username");
  64         String password = request.getParameter("password");
  65
  66         UsernamePassword credentials = new UsernamePassword();
  67         credentials.setUsername(username);
  68         credentials.setPassword(password);
  69
  70         // Get authorized configs
  71         UserConfiguration config;
  72         try {
  73             config = authProvider.getUserConfiguration(credentials);
  74         }
  75         catch (GuacamoleException e) {
  76             logger.error("Error retrieving configuration for user {}.", username);
  77             response.sendError(HttpServletResponse.SC_FORBIDDEN);
  78             return;
  79         }
  80
  81         if (config == null) {
  82             logger.warn("Failed login from {} for user \"{}\".", request.getRemoteAddr(), username);
  83             response.sendError(HttpServletResponse.SC_FORBIDDEN);
  84             return;
  85         }
  86
  87         logger.info("Successful login from {} for user \"{}\".", request.getRemoteAddr(), username);
  88
  89         // Associate configs with session
  90         httpSession.setAttribute("GUAC_USER_CONFIG", config);
  91
  92     }
  93
  94 }
  95