auth/mnet/jump.php

   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