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Differences Between: [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Authentication Plugin: Moodle Network Authentication
  19   * Multiple host authentication support for Moodle Network.
  20   *
  21   * @package auth_mnet
  22   * @author Martin Dougiamas
  23   * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  24   */
  25  
  26  require_once __DIR__ . '/../../config.php';
  27  
  28  // grab the GET params - wantsurl could be anything - take it
  29  // with PARAM_RAW
  30  $hostid = optional_param('hostid', '0', PARAM_INT);
  31  $hostwwwroot = optional_param('hostwwwroot', '', PARAM_URL);
  32  $wantsurl = optional_param('wantsurl', '', PARAM_RAW);
  33  
  34  $url = new moodle_url('/auth/mnet/jump.php');
  35  if ($hostid !== '0') $url->param('hostid', $hostid);
  36  if ($hostwwwroot !== '') $url->param('hostwwwroot', $hostwwwroot);
  37  if ($wantsurl !== '') $url->param('wantsurl', $wantsurl);
  38  $PAGE->set_url($url);
  39  
  40  if (!isloggedin() or isguestuser()) {
  41      $SESSION->wantsurl = $PAGE->url->out(false);
  42      redirect(get_login_url());
  43  }
  44  
  45  if (!is_enabled_auth('mnet')) {
  46      print_error('mnetdisable');
  47  }
  48  
  49  // If hostid hasn't been specified, try getting it using wwwroot
  50  if (!$hostid) {
  51      $hostwwwroot = trim($hostwwwroot);
  52      $hostwwwroot = rtrim($hostwwwroot, '/');
  53  
  54      // ensure the wwwroot starts with a http or https prefix
  55      if (strtolower(substr($hostwwwroot, 0, 4)) != 'http') {
  56          $hostwwwroot = 'http://'.$hostwwwroot;
  57      }
  58      $hostid = $DB->get_field('mnet_host', 'id', array('wwwroot' => $hostwwwroot));
  59  }
  60  
  61  // start the mnet session and redirect browser to remote URL
  62  $mnetauth = get_auth_plugin('mnet');
  63  $url      = $mnetauth->start_jump_session($hostid, $wantsurl);
  64  
  65  if (empty($url)) {
  66      print_error('DEBUG: Jump session was not started correctly or blank URL returned.'); // TODO: errors
  67  }
  68  redirect($url);
  69  
  70