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 require_once($CFG->dirroot.'/webservice/lib.php');
  32 require_once('lib.php');
  33
  34 $id     = optional_param('id', SITEID, PARAM_INT); // current course
  35 $return = optional_param('return', 0, PARAM_BOOL); // redirect after password change
  36
  37 $systemcontext = context_system::instance();
  38
  39 $PAGE->set_url('/login/change_password.php', array('id'=>$id));
  40
  41 $PAGE->set_context($systemcontext);
  42
  43 if ($return) {
  44     // this redirect prevents security warning because https can not POST to http pages
  45     if (empty($SESSION->wantsurl)
  46             or stripos(str_replace('https://', 'http://', $SESSION->wantsurl), str_replace('https://', 'http://', $CFG->wwwroot.'/login/change_password.php')) === 0) {
  47         $returnto = "$CFG->wwwroot/user/preferences.php?userid=$USER->id&course=$id";
  48     } else {
  49         $returnto = $SESSION->wantsurl;
  50     }
  51     unset($SESSION->wantsurl);
  52
  53     redirect($returnto);
  54 }
  55
  56 $strparticipants = get_string('participants');
  57
  58 if (!$course = $DB->get_record('course', array('id'=>$id))) {
  59     throw new \moodle_exception('invalidcourseid');
  60 }
  61
  62 // require proper login; guest user can not change password
  63 if (!isloggedin() or isguestuser()) {
  64     if (empty($SESSION->wantsurl)) {
  65         $SESSION->wantsurl = $CFG->wwwroot.'/login/change_password.php';
  66     }
  67     redirect(get_login_url());
  68 }
  69
  70 $PAGE->set_context(context_user::instance($USER->id));
  71 $PAGE->set_pagelayout('admin');
  72 $PAGE->set_course($course);
  73
  74 // do not require change own password cap if change forced
  75 if (!get_user_preferences('auth_forcepasswordchange', false)) {
  76     require_capability('moodle/user:changeownpassword', $systemcontext);
  77 }
  78
  79 // do not allow "Logged in as" users to change any passwords
  80 if (\core\session\manager::is_loggedinas()) {
  81     throw new \moodle_exception('cannotcallscript');
  82 }
  83
  84 if (is_mnet_remote_user($USER)) {
  85     $message = get_string('usercannotchangepassword', 'mnet');
  86     if ($idprovider = $DB->get_record('mnet_host', array('id'=>$USER->mnethostid))) {
  87         $message .= get_string('userchangepasswordlink', 'mnet', $idprovider);
  88     }
  89     throw new \moodle_exception('userchangepasswordlink', 'mnet', '', $message);
  90 }
  91
  92 // load the appropriate auth plugin
  93 $userauth = get_auth_plugin($USER->auth);
  94
  95 if (!$userauth->can_change_password()) {
  96     throw new \moodle_exception('nopasswordchange', 'auth');
  97 }
  98
  99 if ($changeurl = $userauth->change_password_url()) {
 100     // this internal scrip not used
 101     redirect($changeurl);
 102 }
 103
 104 $mform = new login_change_password_form();
 105 $mform->set_data(array('id'=>$course->id));
 106
 107 $navlinks = array();
 108 $navlinks[] = array('name' => $strparticipants, 'link' => "$CFG->wwwroot/user/index.php?id=$course->id", 'type' => 'misc');
 109
 110 if ($mform->is_cancelled()) {
 111     redirect($CFG->wwwroot.'/user/preferences.php?userid='.$USER->id.'&amp;course='.$course->id);
 112 } else if ($data = $mform->get_data()) {
 113
 114     if (!$userauth->user_update_password($USER, $data->newpassword1)) {
 115         throw new \moodle_exception('errorpasswordupdate', 'auth');
 116     }
 117
 118     user_add_password_history($USER->id, $data->newpassword1);
 119
 120     if (!empty($CFG->passwordchangelogout)) {
 121         \core\session\manager::kill_user_sessions($USER->id, session_id());
 122     }
 123
 124     if (!empty($data->signoutofotherservices)) {
 125         webservice::delete_user_ws_tokens($USER->id);
 126     }
 127
 128     // Reset login lockout - we want to prevent any accidental confusion here.
 129     login_unlock_account($USER);
 130
 131     // register success changing password
 132     unset_user_preference('auth_forcepasswordchange', $USER);
 133     unset_user_preference('create_password', $USER);
 134
 135     $strpasswordchanged = get_string('passwordchanged');
 136
 137     // Plugins can perform post password change actions once data has been validated.
 138     core_login_post_change_password_requests($data);
 139
 140     $fullname = fullname($USER, true);
 141
 142     $PAGE->set_title($strpasswordchanged);
 143     $PAGE->set_heading(fullname($USER));
 144     echo $OUTPUT->header();
 145
 146     notice($strpasswordchanged, new moodle_url($PAGE->url, array('return'=>1)));
 147
 148     echo $OUTPUT->footer();
 149     exit;
 150 }
 151
 152 $strchangepassword = get_string('changepassword');
 153
 154 $fullname = fullname($USER, true);
 155
 156 $PAGE->set_title($strchangepassword);
 157 $PAGE->set_heading($fullname);
 158 echo $OUTPUT->header();
 159
 160 if (get_user_preferences('auth_forcepasswordchange')) {
 161     echo $OUTPUT->notification(get_string('forcepasswordchangenotice'));
 162 }
 163 $mform->display();
 164 echo $OUTPUT->footer();