code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/server/Registration.java

   1 /*
   2  * Copyright 2010 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.ebs.gss.server;
  20
  21 import static gr.ebs.gss.server.configuration.GSSConfigurationFactory.getConfiguration;
  22 import gr.ebs.gss.client.exceptions.DuplicateNameException;
  23 import gr.ebs.gss.client.exceptions.ObjectNotFoundException;
  24 import gr.ebs.gss.client.exceptions.RpcException;
  25 import gr.ebs.gss.server.domain.User;
  26 import gr.ebs.gss.server.ejb.TransactionHelper;
  27
  28 import java.io.IOException;
  29 import java.util.concurrent.Callable;
  30
  31 import javax.servlet.http.HttpServletRequest;
  32 import javax.servlet.http.HttpServletResponse;
  33
  34 import org.apache.commons.logging.Log;
  35 import org.apache.commons.logging.LogFactory;
  36
  37 /**
  38  * The servlet that handles user registration.
  39  *
  40  * @author past
  41  */
  42 public class Registration extends BaseServlet {
  43         /**
  44          * The request parameter name for the acceptance flag.
  45          */
  46         private static final String ACCEPT_PARAM = "accept";
  47
  48         /**
  49          * The request parameter name for the firstname.
  50          */
  51         private static final String FIRSTNAME_PARAM = "firstname";
  52
  53         /**
  54          * The request parameter name for the lastname.
  55          */
  56         private static final String LASTNAME_PARAM = "lastname";
  57
  58         /**
  59          * The request parameter name for the username.
  60          */
  61         private static final String USERNAME_PARAM = "username";
  62
  63         /**
  64          * The request parameter name for the e-mail.
  65          */
  66         private static final String EMAIL_PARAM = "email";
  67
  68         /**
  69          * The request parameter name for the password.
  70          */
  71         private static final String PASSWORD_PARAM = "password";
  72
  73         /**
  74          * The request parameter name for the password confirmation.
  75          */
  76         private static final String PASSWORD2_PARAM = "password2";
  77
  78         /**
  79          * The serial version UID of the class.
  80          */
  81         private static final long serialVersionUID = 1L;
  82
  83         /**
  84          * The logger.
  85          */
  86         private static Log logger = LogFactory.getLog(Registration.class);
  87
  88         @Override
  89         public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
  90                 if (getConfiguration().getBoolean("onlyRegisterWithCode"))
  91                         response.sendRedirect("invites.jsp");
  92                 else
  93                         response.sendRedirect("register.jsp");
  94         }
  95
  96         @Override
  97         public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
  98                 final String firstname = request.getParameter(FIRSTNAME_PARAM);
  99                 final String lastname = request.getParameter(LASTNAME_PARAM);
 100                 final String email = request.getParameter(EMAIL_PARAM);
 101                 final String username = request.getParameter(USERNAME_PARAM);
 102                 String password = request.getParameter(PASSWORD_PARAM);
 103                 String password2 = request.getParameter(PASSWORD2_PARAM);
 104                 String accept = request.getParameter(ACCEPT_PARAM);
 105                 response.setContentType("text/html");
 106
 107                 // Validate input parameters.
 108                 if (username == null || username.isEmpty()) {
 109                         String error = encode("No username was specified");
 110                         String errorUrl = "register.jsp?username=&error=" + error;
 111                         errorUrl += "&firstname=" + (firstname == null? "": encode(firstname));
 112                         errorUrl += "&lastname=" + (lastname == null? "": encode(lastname));
 113                         errorUrl += "&email=" + (email == null? "": encode(email));
 114                         response.sendRedirect(errorUrl);
 115                         return;
 116                 } else if (username.indexOf(' ') != -1) {
 117                         String error = encode("Spaces in username are not allowed");
 118                         String errorUrl = "register.jsp?username=&error=" + error;
 119                         errorUrl += "&firstname=" + (firstname == null? "": encode(firstname));
 120                         errorUrl += "&lastname=" + (lastname == null? "": encode(lastname));
 121                         errorUrl += "&email=" + (email == null? "": encode(email));
 122                         response.sendRedirect(errorUrl);
 123                         return;
 124                 } else if (firstname == null || firstname.isEmpty()) {
 125                         String error = encode("No firstname was specified");
 126                         String errorUrl = "register.jsp?firstname=&error=" + error;
 127                         errorUrl += "&username=" + encode(username);
 128                         errorUrl += "&lastname=" + (lastname == null? "": encode(lastname));
 129                         errorUrl += "&email=" + (email == null? "": encode(email));
 130                         response.sendRedirect(errorUrl);
 131                         return;
 132                 } else if (lastname == null || lastname.isEmpty()) {
 133                         String error = encode("No lastname was specified");
 134                         String errorUrl = "register.jsp?lastname=&error=" + error;
 135                         errorUrl += "&username=" + encode(username);
 136                         errorUrl += "&firstname=" + encode(firstname);
 137                         errorUrl += "&email=" + (email == null? "": encode(email));
 138                         response.sendRedirect(errorUrl);
 139                         return;
 140                 } else if (email == null || email.isEmpty()) {
 141                         String error = encode("No e-mail was specified");
 142                         String errorUrl = "register.jsp?email=&error=" + error;
 143                         errorUrl += "&username=" + encode(username);
 144                         errorUrl += "&firstname=" + encode(firstname);
 145                         errorUrl += "&lastname=" + encode(lastname);
 146                         response.sendRedirect(errorUrl);
 147                         return;
 148                 } else if (password == null || password.isEmpty()) {
 149                         String error = encode("No password was specified");
 150                         String errorUrl = "register.jsp?error=" + error;
 151                         errorUrl += "&username=" + encode(username);
 152                         errorUrl += "&firstname=" + encode(firstname);
 153                         errorUrl += "&lastname=" + encode(lastname);
 154                         errorUrl += "&email=" + encode(email);
 155                         response.sendRedirect(errorUrl);
 156                         return;
 157                 } else if (!password.equals(password2)) {
 158                         String error = encode("Passwords do not match");
 159                         String errorUrl = "register.jsp?error=" + error;
 160                         errorUrl += "&username=" + encode(username);
 161                         errorUrl += "&firstname=" + encode(firstname);
 162                         errorUrl += "&lastname=" + encode(lastname);
 163                         errorUrl += "&email=" + encode(email);
 164                         response.sendRedirect(errorUrl);
 165                         return;
 166                 } else if (!"on".equalsIgnoreCase(accept)) {
 167                         String error = encode("You must accept the terms and conditions");
 168                         String errorUrl = "register.jsp?error=" + error;
 169                         errorUrl += "&username=" + encode(username);
 170                         errorUrl += "&firstname=" + encode(firstname);
 171                         errorUrl += "&lastname=" + encode(lastname);
 172                         errorUrl += "&email=" + encode(email);
 173                         response.sendRedirect(errorUrl);
 174                         return;
 175                 }
 176
 177                 User user = null;
 178                 try {
 179                         user = getService().findUser(username);
 180                         if (user != null) {
 181                                 String error = encode("The username already exists");
 182                                 String errorUrl = "register.jsp?username=&error=" + error;
 183                                 errorUrl += "&firstname=" + encode(firstname);
 184                                 errorUrl += "&lastname=" + encode(lastname);
 185                                 errorUrl += "&email=" + encode(email);
 186                                 response.sendRedirect(errorUrl);
 187                                 return;
 188                         }
 189                         try {
 190                                 getService().createLdapUser(username, firstname, lastname, email, password);
 191                         } catch (Exception e) {
 192                                 logger.error(e);
 193                                 handleException(response, e.getMessage());
 194                                 return;
 195                         }
 196                         final User userDto = new TransactionHelper<User>().tryExecute(new Callable<User>() {
 197                                 @Override
 198                                 public User call() throws Exception {
 199                                         return getService().createUser(username, firstname + " " + lastname, email, "", "", "");
 200                                 }
 201
 202                         });
 203                         new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
 204                                 @Override
 205                                 public Void call() throws Exception {
 206                                         getService().updateUserPolicyAcceptance(userDto.getId(), true);
 207                                         return null;
 208                                 }
 209
 210                         });
 211                         response.sendRedirect("registered.jsp");
 212                 } catch (RpcException e) {
 213                         logger.error(e);
 214                         handleException(response, "An error occurred while communicating with the service");
 215                 } catch (DuplicateNameException e) {
 216                         // Can't happen, but this is more user-friendly than an assert.
 217                         logger.error(e);
 218                         handleException(response, "The username already exists");
 219                 } catch (ObjectNotFoundException e) {
 220                         // Can't happen, but this is more user-friendly than an assert.
 221                         logger.error(e);
 222                         handleException(response, "No username or name was specified");
 223                 } catch (Exception e) {
 224                         logger.error(e);
 225                         handleException(response, e.getMessage());
 226                 }
 227         }
 228
 229         private void handleException(HttpServletResponse response, String error) throws IOException {
 230                 String errorUrl = "register.jsp?username=&firstname=&lastname=&email=&error=" + encode(error);
 231                 response.sendRedirect(errorUrl);
 232         }
 233 }