login/change_password.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 page.
  20  *
  21  * @package    core
  22  * @subpackage auth
  23  * @copyright  1999 onwards Martin Dougiamas  http://dougiamas.com
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 require('../config.php');
  28 require_once($CFG->dirroot.'/user/lib.php');
  29 require_once('change_password_form.php');
  30 require_once($CFG->libdir.'/authlib.php');
  31
  32 $id     = optional_param('id', SITEID, PARAM_INT); // current course
  33 $return = optional_param('return', 0, PARAM_BOOL); // redirect after password change
  34
  35 $systemcontext = context_system::instance();
  36
  37 //HTTPS is required in this page when $CFG->loginhttps enabled
  38 $PAGE->https_required();
  39
  40 $PAGE->set_url('/login/change_password.php', array('id'=>$id));
  41
  42 $PAGE->set_context($systemcontext);
  43
  44 if ($return) {
  45     // this redirect prevents security warning because https can not POST to http pages
  46     if (empty($SESSION->wantsurl)
  47             or stripos(str_replace('https://', 'http://', $SESSION->wantsurl), str_replace('https://', 'http://', $CFG->wwwroot.'/login/change_password.php')) === 0) {
  48         $returnto = "$CFG->wwwroot/user/preferences.php?userid=$USER->id&course=$id";
  49     } else {
  50         $returnto = $SESSION->wantsurl;
  51     }
  52     unset($SESSION->wantsurl);
  53
  54     redirect($returnto);
  55 }
  56
  57 $strparticipants = get_string('participants');
  58
  59 if (!$course = $DB->get_record('course', array('id'=>$id))) {
  60     print_error('invalidcourseid');
  61 }
  62
  63 // require proper login; guest user can not change password
  64 if (!isloggedin() or isguestuser()) {
  65     if (empty($SESSION->wantsurl)) {
  66         $SESSION->wantsurl = $CFG->httpswwwroot.'/login/change_password.php';
  67     }
  68     redirect(get_login_url());
  69 }
  70
  71 $PAGE->set_context(context_user::instance($USER->id));
  72 $PAGE->set_pagelayout('admin');
  73 $PAGE->set_course($course);
  74
  75 // do not require change own password cap if change forced
  76 if (!get_user_preferences('auth_forcepasswordchange', false)) {
  77     require_capability('moodle/user:changeownpassword', $systemcontext);
  78 }
  79
  80 // do not allow "Logged in as" users to change any passwords
  81 if (\core\session\manager::is_loggedinas()) {
  82     print_error('cannotcallscript');
  83 }
  84
  85 if (is_mnet_remote_user($USER)) {
  86     $message = get_string('usercannotchangepassword', 'mnet');
  87     if ($idprovider = $DB->get_record('mnet_host', array('id'=>$USER->mnethostid))) {
  88         $message .= get_string('userchangepasswordlink', 'mnet', $idprovider);
  89     }
  90     print_error('userchangepasswordlink', 'mnet', '', $message);
  91 }
  92
  93 // load the appropriate auth plugin
  94 $userauth = get_auth_plugin($USER->auth);
  95
  96 if (!$userauth->can_change_password()) {
  97     print_error('nopasswordchange', 'auth');
  98 }
  99
 100 if ($changeurl = $userauth->change_password_url()) {
 101     // this internal scrip not used
 102     redirect($changeurl);
 103 }
 104
 105 $mform = new login_change_password_form();
 106 $mform->set_data(array('id'=>$course->id));
 107
 108 $navlinks = array();
 109 $navlinks[] = array('name' => $strparticipants, 'link' => "$CFG->wwwroot/user/index.php?id=$course->id", 'type' => 'misc');
 110
 111 if ($mform->is_cancelled()) {
 112     redirect($CFG->wwwroot.'/user/preferences.php?userid='.$USER->id.'&amp;course='.$course->id);
 113 } else if ($data = $mform->get_data()) {
 114
 115     if (!$userauth->user_update_password($USER, $data->newpassword1)) {
 116         print_error('errorpasswordupdate', 'auth');
 117     }
 118
 119     user_add_password_history($USER->id, $data->newpassword1);
 120
 121     if (!empty($CFG->passwordchangelogout)) {
 122         \core\session\manager::kill_user_sessions($USER->id, session_id());
 123     }
 124
 125     // Reset login lockout - we want to prevent any accidental confusion here.
 126     login_unlock_account($USER);
 127
 128     // register success changing password
 129     unset_user_preference('auth_forcepasswordchange', $USER);
 130     unset_user_preference('create_password', $USER);
 131
 132     $strpasswordchanged = get_string('passwordchanged');
 133
 134     $fullname = fullname($USER, true);
 135
 136     $PAGE->set_title($strpasswordchanged);
 137     $PAGE->set_heading(fullname($USER));
 138     echo $OUTPUT->header();
 139
 140     notice($strpasswordchanged, new moodle_url($PAGE->url, array('return'=>1)));
 141
 142     echo $OUTPUT->footer();
 143     exit;
 144 }
 145
 146 // make sure we really are on the https page when https login required
 147 $PAGE->verify_https_required();
 148
 149 $strchangepassword = get_string('changepassword');
 150
 151 $fullname = fullname($USER, true);
 152
 153 $PAGE->set_title($strchangepassword);
 154 $PAGE->set_heading($fullname);
 155 echo $OUTPUT->header();
 156
 157 if (get_user_preferences('auth_forcepasswordchange')) {
 158     echo $OUTPUT->notification(get_string('forcepasswordchangenotice'));
 159 }
 160 $mform->display();
 161 echo $OUTPUT->footer();