webservice/pluginfile.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * A script to serve files from web service client
  20  *
  21  * @package    core
  22  * @subpackage file
  23  * @copyright  2011 Dongsheng Cai <dongsheng@moodle.com>
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 define('AJAX_SCRIPT', true);
  28 define('NO_MOODLE_COOKIES', true);
  29 require_once(dirname(dirname(__FILE__)) . '/config.php');
  30 require_once($CFG->libdir . '/filelib.php');
  31 require_once($CFG->dirroot . '/webservice/lib.php');
  32
  33 //authenticate the user
  34 $token = required_param('token', PARAM_ALPHANUM);
  35 $webservicelib = new webservice();
  36 $authenticationinfo = $webservicelib->authenticate_user($token);
  37
  38 //check the service allows file download
  39 $enabledfiledownload = (int) ($authenticationinfo['service']->downloadfiles);
  40 if (empty($enabledfiledownload)) {
  41     throw new webservice_access_exception(get_string('enabledirectdownload', 'webservice'));
  42 }
  43
  44 //finally we can serve the file :)
  45 $relativepath = get_file_argument();
  46 file_pluginfile($relativepath, 0);