login/signup.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  * user signup 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($CFG->dirroot . '/user/editlib.php');
  29 require_once($CFG->libdir . '/authlib.php');
  30
  31 if (!$authplugin = signup_is_enabled()) {
  32     print_error('notlocalisederrormessage', 'error', '', 'Sorry, you may not use this page.');
  33 }
  34
  35 //HTTPS is required in this page when $CFG->loginhttps enabled
  36 $PAGE->https_required();
  37
  38 $PAGE->set_url('/login/signup.php');
  39 $PAGE->set_context(context_system::instance());
  40
  41 // If wantsurl is empty or /login/signup.php, override wanted URL.
  42 // We do not want to end up here again if user clicks "Login".
  43 if (empty($SESSION->wantsurl)) {
  44     $SESSION->wantsurl = $CFG->wwwroot . '/';
  45 } else {
  46     $wantsurl = new moodle_url($SESSION->wantsurl);
  47     if ($PAGE->url->compare($wantsurl, URL_MATCH_BASE)) {
  48         $SESSION->wantsurl = $CFG->wwwroot . '/';
  49     }
  50 }
  51
  52 if (isloggedin() and !isguestuser()) {
  53     // Prevent signing up when already logged in.
  54     echo $OUTPUT->header();
  55     echo $OUTPUT->box_start();
  56     $logout = new single_button(new moodle_url($CFG->httpswwwroot . '/login/logout.php',
  57         array('sesskey' => sesskey(), 'loginpage' => 1)), get_string('logout'), 'post');
  58     $continue = new single_button(new moodle_url('/'), get_string('cancel'), 'get');
  59     echo $OUTPUT->confirm(get_string('cannotsignup', 'error', fullname($USER)), $logout, $continue);
  60     echo $OUTPUT->box_end();
  61     echo $OUTPUT->footer();
  62     exit;
  63 }
  64
  65 $mform_signup = $authplugin->signup_form();
  66
  67 if ($mform_signup->is_cancelled()) {
  68     redirect(get_login_url());
  69
  70 } else if ($user = $mform_signup->get_data()) {
  71     // Add missing required fields.
  72     $user = signup_setup_new_user($user);
  73
  74     $authplugin->user_signup($user, true); // prints notice and link to login/index.php
  75     exit; //never reached
  76 }
  77
  78 // make sure we really are on the https page when https login required
  79 $PAGE->verify_https_required();
  80
  81
  82 $newaccount = get_string('newaccount');
  83 $login      = get_string('login');
  84
  85 $PAGE->navbar->add($login);
  86 $PAGE->navbar->add($newaccount);
  87
  88 $PAGE->set_pagelayout('login');
  89 $PAGE->set_title($newaccount);
  90 $PAGE->set_heading($SITE->fullname);
  91
  92 echo $OUTPUT->header();
  93
  94 if ($mform_signup instanceof renderable) {
  95     // Try and use the renderer from the auth plugin if it exists.
  96     try {
  97         $renderer = $PAGE->get_renderer('auth_' . $authplugin->authtype);
  98     } catch (coding_exception $ce) {
  99         // Fall back on the general renderer.
 100         $renderer = $OUTPUT;
 101     }
 102     echo $renderer->render($mform_signup);
 103 } else {
 104     // Fall back for auth plugins not using renderables.
 105     $mform_signup->display();
 106 }
 107 echo $OUTPUT->footer();