mod/lti/externalregistrationreturn.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  * Handle the return from the Tool Provider after registering a tool proxy.
  19  *
  20  * @package mod_lti
  21  * @copyright  2015 Ryan Wyllie
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once('../../config.php');
  26 require_once($CFG->dirroot.'/mod/lti/lib.php');
  27 require_once($CFG->dirroot.'/mod/lti/locallib.php');
  28
  29 $status = optional_param('status', '', PARAM_TEXT);
  30 $msg = optional_param('lti_msg', '', PARAM_TEXT);
  31 $err = optional_param('lti_errormsg', '', PARAM_TEXT);
  32 $id = optional_param('id', 0, PARAM_INT);
  33
  34 // No guest autologin.
  35 require_sesskey();
  36 require_login(0, false);
  37
  38 $systemcontext = context_system::instance();
  39 require_capability('moodle/site:config', $systemcontext);
  40
  41 $pageurl = new moodle_url('/mod/lti/externalregistrationreturn.php');
  42 $PAGE->set_context($systemcontext);
  43 $PAGE->set_url($pageurl);
  44 $PAGE->set_pagelayout('maintenance');
  45 $output = $PAGE->get_renderer('mod_lti');
  46 echo $output->header();
  47
  48 // Check status and lti_errormsg.
  49 if ($status !== 'success' && empty($err)) {
  50     // We have a failed status and an empty lti_errormsg. Check if we can use lti_msg.
  51     if (!empty($msg)) {
  52         // The lti_msg attribute is set, use this as the error message.
  53         $err = $msg;
  54     } else {
  55         // Otherwise, use our generic error message.
  56         $err = get_string('failedtocreatetooltype', 'mod_lti');
  57     }
  58 }
  59 $params = array('message' => s($msg), 'error' => s($err), 'id' => $id, 'status' => s($status));
  60
  61 $page = new \mod_lti\output\external_registration_return_page();
  62 echo $output->render($page);
  63
  64 $PAGE->requires->js_call_amd('mod_lti/external_registration_return', 'init', $params);
  65 echo $output->footer();