[Summary view]

Differences Between: [Versions 310 and 311] [Versions 310 and 400] [Versions 310 and 401] [Versions 310 and 402] [Versions 310 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   * Redirect the user to registration with token and openid config url as query params.
  19   *
  20   * @package mod_lti
  21   * @copyright  2020 Cengage
  22   * @author     Claude Vervoort
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  use Firebase\JWT\JWT;
  27  
  28  use mod_lti\local\ltiopenid\jwks_helper;
  29  
  30  require_once(__DIR__ . '/../../config.php');
  31  require_once($CFG->libdir.'/weblib.php');
  32  
  33  require_login();
  34  $context = context_system::instance();
  35  require_capability('moodle/site:config', $context);
  36  
  37  $starturl = required_param('url', PARAM_URL);
  38  $now = time();
  39  $token = [
  40      "sub" => random_string(15),
  41      "scope" => "reg",
  42      "iat" => $now,
  43      "exp" => $now + HOURSECS
  44  ];
  45  $privatekey = jwks_helper::get_private_key();
  46  $regtoken = JWT::encode($token, $privatekey['key'], 'RS256', $privatekey['kid']);
  47  $confurl = new moodle_url('/mod/lti/openid-configuration.php');
  48  $url = new moodle_url($starturl);
  49  $url->param('openid_configuration', $confurl->out(false));
  50  $url->param('registration_token', $regtoken);
  51  header("Location: ".$url->out(false));