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
  33 $id     = optional_param('id', SITEID, PARAM_INT); // current course
  34 $return = optional_param('return', 0, PARAM_BOOL); // redirect after password change
  35
  36 $systemcontext = context_system::instance();
  37
  38 //HTTPS is required in this page when $CFG->loginhttps enabled
  39 $PAGE->https_required();
  40
  41 $PAGE->set_url('/login/change_password.php', array('id'=>$id));
  42
  43 $PAGE->set_context($systemcontext);
  44
  45 if ($return) {
  46     // this redirect prevents security warning because https can not POST to http pages
  47     if (empty($SESSION->wantsurl)
  48             or stripos(str_replace('https://', 'http://', $SESSION->wantsurl), str_replace('https://', 'http://', $CFG->wwwroot.'/login/change_password.php')) === 0) {
  49         $returnto = "$CFG->wwwroot/user/preferences.php?userid=$USER->id&course=$id";
  50     } else {
  51         $returnto = $SESSION->wantsurl;
  52     }
  53     unset($SESSION->wantsurl);
  54
  55     redirect($returnto);
  56 }
  57
  58 $strparticipants = get_string('participants');
  59
  60 if (!$course = $DB->get_record('course', array('id'=>$id))) {
  61     print_error('invalidcourseid');
  62 }
  63
  64 // require proper login; guest user can not change password
  65 if (!isloggedin() or isguestuser()) {
  66     if (empty($SESSION->wantsurl)) {
  67         $SESSION->wantsurl = $CFG->httpswwwroot.'/login/change_password.php';
  68     }
  69     redirect(get_login_url());
  70 }
  71
  72 $PAGE->set_context(context_user::instance($USER->id));
  73 $PAGE->set_pagelayout('admin');
  74 $PAGE->set_course($course);
  75
  76 // do not require change own password cap if change forced
  77 if (!get_user_preferences('auth_forcepasswordchange', false)) {
  78     require_capability('moodle/user:changeownpassword', $systemcontext);
  79 }
  80
  81 // do not allow "Logged in as" users to change any passwords
  82 if (\core\session\manager::is_loggedinas()) {
  83     print_error('cannotcallscript');
  84 }
  85
  86 if (is_mnet_remote_user($USER)) {
  87     $message = get_string('usercannotchangepassword', 'mnet');
  88     if ($idprovider = $DB->get_record('mnet_host', array('id'=>$USER->mnethostid))) {
  89         $message .= get_string('userchangepasswordlink', 'mnet', $idprovider);
  90     }
  91     print_error('userchangepasswordlink', 'mnet', '', $message);
  92 }
  93
  94 // load the appropriate auth plugin
  95 $userauth = get_auth_plugin($USER->auth);
  96
  97 if (!$userauth->can_change_password()) {
  98     print_error('nopasswordchange', 'auth');
  99 }
 100
 101 if ($changeurl = $userauth->change_password_url()) {
 102     // this internal scrip not used
 103     redirect($changeurl);
 104 }
 105
 106 $mform = new login_change_password_form();
 107 $mform->set_data(array('id'=>$course->id));
 108
 109 $navlinks = array();
 110 $navlinks[] = array('name' => $strparticipants, 'link' => "$CFG->wwwroot/user/index.php?id=$course->id", 'type' => 'misc');
 111
 112 if ($mform->is_cancelled()) {
 113     redirect($CFG->wwwroot.'/user/preferences.php?userid='.$USER->id.'&amp;course='.$course->id);
 114 } else if ($data = $mform->get_data()) {
 115
 116     if (!$userauth->user_update_password($USER, $data->newpassword1)) {
 117         print_error('errorpasswordupdate', 'auth');
 118     }
 119
 120     user_add_password_history($USER->id, $data->newpassword1);
 121
 122     if (!empty($CFG->passwordchangelogout)) {
 123         \core\session\manager::kill_user_sessions($USER->id, session_id());
 124     }
 125
 126     if (!empty($data->signoutofotherservices)) {
 127         webservice::delete_user_ws_tokens($USER->id);
 128     }
 129
 130     // Reset login lockout - we want to prevent any accidental confusion here.
 131     login_unlock_account($USER);
 132
 133     // register success changing password
 134     unset_user_preference('auth_forcepasswordchange', $USER);
 135     unset_user_preference('create_password', $USER);
 136
 137     $strpasswordchanged = get_string('passwordchanged');
 138
 139     $fullname = fullname($USER, true);
 140
 141     $PAGE->set_title($strpasswordchanged);
 142     $PAGE->set_heading(fullname($USER));
 143     echo $OUTPUT->header();
 144
 145     notice($strpasswordchanged, new moodle_url($PAGE->url, array('return'=>1)));
 146
 147     echo $OUTPUT->footer();
 148     exit;
 149 }
 150
 151 // make sure we really are on the https page when https login required
 152 $PAGE->verify_https_required();
 153
 154 $strchangepassword = get_string('changepassword');
 155
 156 $fullname = fullname($USER, true);
 157
 158 $PAGE->set_title($strchangepassword);
 159 $PAGE->set_heading($fullname);
 160 echo $OUTPUT->header();
 161
 162 if (get_user_preferences('auth_forcepasswordchange')) {
 163     echo $OUTPUT->notification(get_string('forcepasswordchangenotice'));
 164 }
 165 $mform->display();
 166 echo $OUTPUT->footer();