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