auth/mnet/jump.php

   1 <?php
   2
   3 /**
   4  * @author Martin Dougiamas
   5  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   6  * @package moodle multiauth
   7  *
   8  * Authentication Plugin: Moodle Network Authentication
   9  *
  10  * Multiple host authentication support for Moodle Network.
  11  *
  12  * 2006-11-01  File created.
  13  */
  14
  15 require_once dirname(dirname(dirname(__FILE__))) . '/config.php';
  16
  17 // grab the GET params - wantsurl could be anything - take it
  18 // with PARAM_RAW
  19 $hostid = optional_param('hostid', '0', PARAM_INT);
  20 $hostwwwroot = optional_param('hostwwwroot', '', PARAM_URL);
  21 $wantsurl = optional_param('wantsurl', '', PARAM_RAW);
  22
  23 $url = new moodle_url('/auth/mnet/jump.php');
  24 if ($hostid !== '0') $url->param('hostid', $hostid);
  25 if ($hostwwwroot !== '') $url->param('hostwwwroot', $hostwwwroot);
  26 if ($wantsurl !== '') $url->param('wantsurl', $wantsurl);
  27 $PAGE->set_url($url);
  28
  29 if (!isloggedin() or isguestuser()) {
  30     $SESSION->wantsurl = $PAGE->url->out(false);
  31     redirect(get_login_url());
  32 }
  33
  34 if (!is_enabled_auth('mnet')) {
  35     print_error('mnetdisable');
  36 }
  37
  38 // If hostid hasn't been specified, try getting it using wwwroot
  39 if (!$hostid) {
  40     $hostwwwroot = trim($hostwwwroot);
  41     $hostwwwroot = rtrim($hostwwwroot, '/');
  42
  43     // ensure the wwwroot starts with a http or https prefix
  44     if (strtolower(substr($hostwwwroot, 0, 4)) != 'http') {
  45         $hostwwwroot = 'http://'.$hostwwwroot;
  46     }
  47     $hostid = $DB->get_field('mnet_host', 'id', array('wwwroot' => $hostwwwroot));
  48 }
  49
  50 // start the mnet session and redirect browser to remote URL
  51 $mnetauth = get_auth_plugin('mnet');
  52 $url      = $mnetauth->start_jump_session($hostid, $wantsurl);
  53
  54 if (empty($url)) {
  55     print_error('DEBUG: Jump session was not started correctly or blank URL returned.'); // TODO: errors
  56 }
  57 redirect($url);
  58
  59