login/change_password_form.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle 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 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Change password form definition.
  20  *
  21  * @package    core
  22  * @subpackage auth
  23  * @copyright  2006 Petr Skoda {@link http://skodak.org}
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 defined('MOODLE_INTERNAL') || die();
  28
  29 require_once $CFG->libdir.'/formslib.php';
  30
  31 class login_change_password_form extends moodleform {
  32
  33     function definition() {
  34         global $USER, $CFG;
  35
  36         $mform = $this->_form;
  37         $mform->setDisableShortforms(true);
  38
  39         $mform->addElement('header', 'changepassword', get_string('changepassword'), '');
  40
  41         // visible elements
  42         $mform->addElement('static', 'username', get_string('username'), $USER->username);
  43
  44         if (!empty($CFG->passwordpolicy)){
  45             $mform->addElement('static', 'passwordpolicyinfo', '', print_password_policy());
  46         }
  47         $mform->addElement('password', 'password', get_string('oldpassword'));
  48         $mform->addRule('password', get_string('required'), 'required', null, 'client');
  49         $mform->setType('password', PARAM_RAW);
  50
  51         $mform->addElement('password', 'newpassword1', get_string('newpassword'));
  52         $mform->addRule('newpassword1', get_string('required'), 'required', null, 'client');
  53         $mform->setType('newpassword1', PARAM_RAW);
  54
  55         $mform->addElement('password', 'newpassword2', get_string('newpassword').' ('.get_String('again').')');
  56         $mform->addRule('newpassword2', get_string('required'), 'required', null, 'client');
  57         $mform->setType('newpassword2', PARAM_RAW);
  58
  59
  60         // hidden optional params
  61         $mform->addElement('hidden', 'id', 0);
  62         $mform->setType('id', PARAM_INT);
  63
  64         // buttons
  65         if (get_user_preferences('auth_forcepasswordchange')) {
  66             $this->add_action_buttons(false);
  67         } else {
  68             $this->add_action_buttons(true);
  69         }
  70     }
  71
  72 /// perform extra password change validation
  73     function validation($data, $files) {
  74         global $USER;
  75         $errors = parent::validation($data, $files);
  76
  77         // ignore submitted username
  78         if (!$user = authenticate_user_login($USER->username, $data['password'], true)) {
  79             $errors['password'] = get_string('invalidlogin');
  80             return $errors;
  81         }
  82
  83         if ($data['newpassword1'] <> $data['newpassword2']) {
  84             $errors['newpassword1'] = get_string('passwordsdiffer');
  85             $errors['newpassword2'] = get_string('passwordsdiffer');
  86             return $errors;
  87         }
  88
  89         if ($data['password'] == $data['newpassword1']){
  90             $errors['newpassword1'] = get_string('mustchangepassword');
  91             $errors['newpassword2'] = get_string('mustchangepassword');
  92             return $errors;
  93         }
  94
  95         $errmsg = '';//prevents eclipse warnings
  96         if (!check_password_policy($data['newpassword1'], $errmsg)) {
  97             $errors['newpassword1'] = $errmsg;
  98             $errors['newpassword2'] = $errmsg;
  99             return $errors;
 100         }
 101
 102         return $errors;
 103     }
 104 }