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Developer Documentation

See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
   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  /**
  19   * Entry point for web service via tokens access to draftfile.php.
  20   *
  21   * @package    core
  22   * @copyright  2020 Juan Leyva <juan@moodle.com>
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  /**
  27   * AJAX_SCRIPT - exception will be converted into JSON.
  28   */
  29  define('AJAX_SCRIPT', true);
  30  
  31  /**
  32   * NO_MOODLE_COOKIES - we don't want any cookie.
  33   */
  34  define('NO_MOODLE_COOKIES', true);
  35  
  36  require_once(__DIR__ . '/../config.php');
  37  require_once($CFG->dirroot . '/webservice/lib.php');
  38  
  39  // Allow CORS requests.
  40  header('Access-Control-Allow-Origin: *');
  41  
  42  // Authenticate the user.
  43  $token = required_param('token', PARAM_ALPHANUM);
  44  
  45  $webservicelib = new webservice();
  46  $authenticationinfo = $webservicelib->authenticate_user($token);
  47  
  48  // Check the service allows file download.
  49  if (empty($authenticationinfo['service']->downloadfiles)) {
  50      throw new webservice_access_exception('Web service file downloading must be enabled in external service settings.');
  51  }
  52  
  53  require_once($CFG->dirroot . '/draftfile.php');