auth/shibboleth/lib.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  * This file contains the hooks for the Shibboleth authentication module.
  19  *
  20  * @package auth_shibboleth
  21  * @copyright 2018 Fabrice Ménard
  22  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 defined('MOODLE_INTERNAL') || die;
  26
  27 /**
  28  * Serves the logo file settings.
  29  *
  30  * @param stdClass $course course object
  31  * @param stdClass $cm course module object
  32  * @param stdClass $context context object
  33  * @param string $filearea file area
  34  * @param array $args extra arguments
  35  * @param bool $forcedownload whether or not force download
  36  * @param array $options additional options affecting the file serving
  37  * @return bool false if file not found, does not return if found - justsend the file
  38  */
  39 function auth_shibboleth_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options=array()) {
  40     if ($context->contextlevel != CONTEXT_SYSTEM) {
  41         return false;
  42     }
  43
  44     if ($filearea !== 'logo' ) {
  45         return false;
  46     }
  47
  48     $itemid = 0;
  49
  50     $filename = array_pop($args);
  51     if (!$args) {
  52         $filepath = '/';
  53     } else {
  54         $filepath = '/'.implode('/', $args).'/';
  55     }
  56
  57     $fs = get_file_storage();
  58     $file = $fs->get_file($context->id, 'auth_shibboleth', $filearea, $itemid, $filepath, $filename);
  59     if (!$file) {
  60         return false;
  61     }
  62
  63     send_stored_file($file, null, 0, $forcedownload, $options);
  64 }