| 1 | efrain | 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 |     throw new \moodle_exception('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 |     throw new \moodle_exception('DEBUG: Jump session was not started correctly or blank URL returned.'); // TODO: errors.
 | 
        
           |  |  | 67 | }
 | 
        
           |  |  | 68 | redirect($url);
 | 
        
           |  |  | 69 |   | 
        
           |  |  | 70 |   |