htdocs/javascript/do_challenge_response.js

   1 /***************************************************************************
   2  *  Copyright (C) 2003-2006 Polytechnique.org                              *
   3  *  http://opensource.polytechnique.org/                                   *
   4  *                                                                         *
   5  *  This program is free software; you can redistribute it and/or modify   *
   6  *  it under the terms of the GNU General Public License as published by   *
   7  *  the Free Software Foundation; either version 2 of the License, or      *
   8  *  (at your option) any later version.                                    *
   9  *                                                                         *
  10  *  This program is distributed in the hope that it will be useful,        *
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  13  *  GNU General Public License for more details.                           *
  14  *                                                                         *
  15  *  You should have received a copy of the GNU General Public License      *
  16  *  along with this program; if not, write to the Free Software            *
  17  *  Foundation, Inc.,                                                      *
  18  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  19  ***************************************************************************/
  20
  21 document.write('<script language="javascript" src="javascript/secure_hash.js"></script>');
  22
  23 function correctUserName() {
  24     var u = document.forms.login.username;
  25     // login with no space
  26     if (u.value.indexOf(' ') < 0) return true;
  27     var mots = u.value.split(' ');
  28     // jean paul.du pont -> jean-paul.du-pont
  29     if (u.value.indexOf('.') > 0) { u.value = mots.join('-'); return true; }
  30     // jean dupont  -> jean.dupont
  31     if (mots.length == 2) { u.value = mots[0]+"."+mots[1]; return true; }
  32     // jean dupont 2001 -> jean.dupont.2001
  33     if (mots.length == 3 && mots[2] > 1920 && mots[2] < 3000) { u.value = mots.join('.'); return true; }
  34     // jean de la vallee -> jean.de-la-vallee
  35     if (mots[1].toUpperCase() == 'DE') { u.value = mots[0]+"."+mots.join('-').substr(mots[0].length+1); return true; }
  36     // jean paul dupont -> jean-paul.dupont
  37     if (mots.length == 3 && mots[0].toUpperCase() == 'JEAN') { u.value = mots[0]+"-"+mots[1]+"."+mots[2]; return true; }
  38
  39     alert('Ton email ne doit pas contenir de blanc.\nLe format standard est\n\nprenom.nom.promotion\n\nSi ton nom ou ton prenom est composé,\nsépare les mots par des -');
  40
  41     return false;
  42 }
  43
  44 function doChallengeResponse() {
  45
  46     if (!correctUserName()) return false;
  47
  48     var new_pass = hash_encrypt(document.forms.login.password.value);
  49     var old_pass = MD5(document.forms.login.password.value);
  50
  51     str = document.forms.login.username.value + ":" +
  52         new_pass + ":" +
  53         document.forms.loginsub.challenge.value;
  54
  55     document.forms.loginsub.response.value = hash_encrypt(str);
  56     document.forms.loginsub.xorpass.value = hash_xor(new_pass, old_pass);
  57     document.forms.loginsub.username.value = document.forms.login.username.value;
  58     document.forms.loginsub.remember.value = document.forms.login.remember.checked;
  59     document.forms.loginsub.domain.value = document.forms.login.domain.value;
  60     document.forms.login.password.value = "";
  61     document.forms.loginsub.submit();
  62
  63 }