webservice/draftfile.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 /**
  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');