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Differences Between: [Versions 39 and 401] [Versions 39 and 402] [Versions 39 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   * Serve endorsement JSON for assertion.
  18   *
  19   * @package    core
  20   * @subpackage badges
  21   * @copyright  2018 Tung Thai
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   * @author     Tung Thai <Tung.ThaiDuc@nashtechglobal.com>
  24   */
  25  define('AJAX_SCRIPT', true);
  26  define('NO_MOODLE_COOKIES', true); // No need for a session here.
  27  require_once(__DIR__ . '/../config.php');
  28  require_once($CFG->libdir . '/badgeslib.php');
  29  
  30  if (empty($CFG->enablebadges)) {
  31      print_error('badgesdisabled', 'badges');
  32  }
  33  
  34  global $DB;
  35  $id = required_param('id', PARAM_INT);
  36  $action = optional_param('action', null, PARAM_BOOL); // Generates endorsement issuer class if true.
  37  $badge = new badge($id);
  38  
  39  $json = array();
  40  $endorsement = $badge->get_endorsement();
  41  $endorsementurl = new moodle_url('/badges/endorsement_json.php', array('id' => $id));
  42  
  43  if ($endorsement) {
  44      $issuer = array();
  45      $issuerurl = new moodle_url('/badges/endorsement_json.php', array('id' => $id, 'action' => 1));
  46      $issuer['id'] = $issuerurl->out(false);
  47      $issuer['name'] = $endorsement->issuername;
  48      $issuer['email'] = $endorsement->issueremail;
  49      $issuer['url'] = $endorsement->issuerurl;
  50      if ($action) {
  51          $json = $issuer;
  52      } else {
  53          $json['@context'] = OPEN_BADGES_V2_CONTEXT;
  54          $json['type'] = OPEN_BADGES_V2_TYPE_ENDORSEMENT;
  55          $json['id'] = $endorsementurl->out(false);
  56          $json['issuer'] = $issuer;
  57          if (!empty($endorsement->claimcomment)) {
  58              $json['claim']['id'] = $endorsement->claimid;
  59              $json['claim']['endorsementComment'] = $endorsement->claimcomment;
  60          } else {
  61              $json['claim'] = $endorsement->claimid;
  62          }
  63          $json['issuedOn'] = date('c', $endorsement->dateissued);
  64          $json['verification'] = array('type' => 'hosted');
  65      }
  66  }
  67  
  68  echo $OUTPUT->header();
  69  echo json_encode($json);