login/set_password_form.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Set password form definition.
  19  *
  20  * @package    core
  21  * @subpackage auth
  22  * @copyright  2006 Petr Skoda {@link http://skodak.org}
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 defined('MOODLE_INTERNAL') || die();
  27
  28 require_once($CFG->libdir.'/formslib.php');
  29
  30 /**
  31  * Set forgotten password form definition.
  32  *
  33  * @package    core
  34  * @subpackage auth
  35  * @copyright  2006 Petr Skoda {@link http://skodak.org}
  36  * @copyright  2013 Peter Bulmer
  37  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38  */
  39 class login_set_password_form extends moodleform {
  40
  41     /**
  42      * Define the set password form.
  43      */
  44     public function definition() {
  45         global $USER, $CFG;
  46         // Prepare a string showing whether the site wants login password autocompletion to be available to user.
  47         if (empty($CFG->loginpasswordautocomplete)) {
  48             $autocomplete = 'autocomplete="on"';
  49         } else {
  50             $autocomplete = '';
  51         }
  52
  53         $mform = $this->_form;
  54         $mform->setDisableShortforms(true);
  55         $mform->addElement('header', 'setpassword', get_string('setpassword'), '');
  56
  57         // Include the username in the form so browsers will recognise that a password is being set.
  58         $mform->addElement('text', 'username', '', 'style="display: none;" ' . $autocomplete);
  59         $mform->setType('username', PARAM_RAW);
  60         // Token gives authority to change password.
  61         $mform->addElement('hidden', 'token', '');
  62         $mform->setType('token', PARAM_ALPHANUM);
  63
  64         // Visible elements.
  65         $mform->addElement('static', 'username2', get_string('username'));
  66
  67         if (!empty($CFG->passwordpolicy)) {
  68             $mform->addElement('static', 'passwordpolicyinfo', '', print_password_policy());
  69         }
  70         $mform->addElement('password', 'password', get_string('newpassword'), $autocomplete);
  71         $mform->addRule('password', get_string('required'), 'required', null, 'client');
  72         $mform->setType('password', PARAM_RAW);
  73
  74         $strpasswordagain = get_string('newpassword') . ' (' . get_string('again') . ')';
  75         $mform->addElement('password', 'password2', $strpasswordagain, $autocomplete);
  76         $mform->addRule('password2', get_string('required'), 'required', null, 'client');
  77         $mform->setType('password2', PARAM_RAW);
  78
  79         $this->add_action_buttons(true);
  80     }
  81
  82     /**
  83      * Perform extra password change validation.
  84      * @param array $data submitted form fields.
  85      * @param array $files submitted with the form.
  86      * @return array errors occuring during validation.
  87      */
  88     public function validation($data, $files) {
  89         global $USER;
  90         $errors = parent::validation($data, $files);
  91
  92         // Ignore submitted username.
  93         if ($data['password'] !== $data['password2']) {
  94             $errors['password'] = get_string('passwordsdiffer');
  95             $errors['password2'] = get_string('passwordsdiffer');
  96             return $errors;
  97         }
  98
  99         $errmsg = ''; // Prevents eclipse warnings.
 100         if (!check_password_policy($data['password'], $errmsg)) {
 101             $errors['password'] = $errmsg;
 102             $errors['password2'] = $errmsg;
 103             return $errors;
 104         }
 105
 106         return $errors;
 107     }
 108 }