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   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($CFG->dirroot . '/user/editlib.php');
  29  
  30  // Try to prevent searching for sites that allow sign-up.
  31  if (!isset($CFG->additionalhtmlhead)) {
  32      $CFG->additionalhtmlhead = '';
  33  }
  34  $CFG->additionalhtmlhead .= '<meta name="robots" content="noindex" />';
  35  
  36  if (empty($CFG->registerauth)) {
  37      print_error('notlocalisederrormessage', 'error', '', 'Sorry, you may not use this page.');
  38  }
  39  $authplugin = get_auth_plugin($CFG->registerauth);
  40  
  41  if (!$authplugin->can_signup()) {
  42      print_error('notlocalisederrormessage', 'error', '', 'Sorry, you may not use this page.');
  43  }
  44  
  45  //HTTPS is required in this page when $CFG->loginhttps enabled
  46  $PAGE->https_required();
  47  
  48  $PAGE->set_url('/login/signup.php');
  49  $PAGE->set_context(context_system::instance());
  50  
  51  // Override wanted URL, we do not want to end up here again if user clicks "Login".
  52  $SESSION->wantsurl = $CFG->wwwroot . '/';
  53  
  54  if (isloggedin() and !isguestuser()) {
  55      // Prevent signing up when already logged in.
  56      echo $OUTPUT->header();
  57      echo $OUTPUT->box_start();
  58      $logout = new single_button(new moodle_url($CFG->httpswwwroot . '/login/logout.php',
  59          array('sesskey' => sesskey(), 'loginpage' => 1)), get_string('logout'), 'post');
  60      $continue = new single_button(new moodle_url('/'), get_string('cancel'), 'get');
  61      echo $OUTPUT->confirm(get_string('cannotsignup', 'error', fullname($USER)), $logout, $continue);
  62      echo $OUTPUT->box_end();
  63      echo $OUTPUT->footer();
  64      exit;
  65  }
  66  
  67  $mform_signup = $authplugin->signup_form();
  68  
  69  if ($mform_signup->is_cancelled()) {
  70      redirect(get_login_url());
  71  
  72  } else if ($user = $mform_signup->get_data()) {
  73      $user->confirmed   = 0;
  74      $user->lang        = current_language();
  75      $user->firstaccess = 0;
  76      $user->timecreated = time();
  77      $user->mnethostid  = $CFG->mnet_localhost_id;
  78      $user->secret      = random_string(15);
  79      $user->auth        = $CFG->registerauth;
  80      // Initialize alternate name fields to empty strings.
  81      $namefields = array_diff(get_all_user_name_fields(), useredit_get_required_name_fields());
  82      foreach ($namefields as $namefield) {
  83          $user->$namefield = '';
  84      }
  85  
  86      $authplugin->user_signup($user, true); // prints notice and link to login/index.php
  87      exit; //never reached
  88  }
  89  
  90  // make sure we really are on the https page when https login required
  91  $PAGE->verify_https_required();
  92  
  93  
  94  $newaccount = get_string('newaccount');
  95  $login      = get_string('login');
  96  
  97  $PAGE->navbar->add($login);
  98  $PAGE->navbar->add($newaccount);
  99  
 100  $PAGE->set_title($newaccount);
 101  $PAGE->set_heading($SITE->fullname);
 102  
 103  echo $OUTPUT->header();
 104  echo $OUTPUT->heading($newaccount);
 105  $mform_signup->display();
 106  echo $OUTPUT->footer();