login/forgot_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  * Forgot password page.
  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 defined('MOODLE_INTERNAL') || die();
  26
  27 require_once($CFG->libdir.'/formslib.php');
  28
  29 /**
  30  * Reset forgotten password form definition.
  31  *
  32  * @package    core
  33  * @subpackage auth
  34  * @copyright  2006 Petr Skoda {@link http://skodak.org}
  35  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36  */
  37 class login_forgot_password_form extends moodleform {
  38
  39     /**
  40      * Define the forgot password form.
  41      */
  42     function definition() {
  43         $mform    = $this->_form;
  44         $mform->setDisableShortforms(true);
  45
  46         $mform->addElement('header', 'searchbyusername', get_string('searchbyusername'), '');
  47
  48         $mform->addElement('text', 'username', get_string('username'));
  49         $mform->setType('username', PARAM_RAW);
  50
  51         $submitlabel = get_string('search');
  52         $mform->addElement('submit', 'submitbuttonusername', $submitlabel);
  53
  54         $mform->addElement('header', 'searchbyemail', get_string('searchbyemail'), '');
  55
  56         $mform->addElement('text', 'email', get_string('email'));
  57         $mform->setType('email', PARAM_RAW);
  58
  59         $submitlabel = get_string('search');
  60         $mform->addElement('submit', 'submitbuttonemail', $submitlabel);
  61     }
  62
  63     /**
  64      * Validate user input from the forgot password form.
  65      * @param array $data array of submitted form fields.
  66      * @param array $files submitted with the form.
  67      * @return array errors occuring during validation.
  68      */
  69     function validation($data, $files) {
  70         global $CFG, $DB;
  71
  72         $errors = parent::validation($data, $files);
  73
  74         if ((!empty($data['username']) and !empty($data['email'])) or (empty($data['username']) and empty($data['email']))) {
  75             $errors['username'] = get_string('usernameoremail');
  76             $errors['email']    = get_string('usernameoremail');
  77
  78         } else if (!empty($data['email'])) {
  79             if (!validate_email($data['email'])) {
  80                 $errors['email'] = get_string('invalidemail');
  81
  82             } else if ($DB->count_records('user', array('email'=>$data['email'])) > 1) {
  83                 $errors['email'] = get_string('forgottenduplicate');
  84
  85             } else {
  86                 if ($user = get_complete_user_data('email', $data['email'])) {
  87                     if (empty($user->confirmed)) {
  88                         $errors['email'] = get_string('confirmednot');
  89                     }
  90                 }
  91                 if (!$user and empty($CFG->protectusernames)) {
  92                     $errors['email'] = get_string('emailnotfound');
  93                 }
  94             }
  95
  96         } else {
  97             if ($user = get_complete_user_data('username', $data['username'])) {
  98                 if (empty($user->confirmed)) {
  99                     $errors['email'] = get_string('confirmednot');
 100                 }
 101             }
 102             if (!$user and empty($CFG->protectusernames)) {
 103                 $errors['username'] = get_string('usernamenotfound');
 104             }
 105         }
 106
 107         return $errors;
 108     }
 109
 110 }