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file.php
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file.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This page is used to fetch files while in maintenance mode.
*
* It should avoid as much as possible using code Moodle API.
*
* @package auth_outage
* @author Daniel Thee Roperto <daniel.roperto@catalyst-au.net>
* @copyright 2016 Catalyst IT
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*
* @var stdClass $CFG
*/
// This file does not use Moodle initialization as a requirement. Supress Warning.
define('MOODLE_INTERNAL', true);
defined('MOODLE_INTERNAL') || die();
// File should have at least 3 characters as we will check the extension below.
if (!isset($_GET['file'])) {
http_response_code(400);
die('Missing file parameter.');
}
$parts = explode('.', $_GET['file']);
if (count($parts) != 2) {
http_response_code(400);
die('Invalid file requested.');
}
$mime = base64_decode($parts[1]);
// Detect type, we only support css or PNG images.
header('Content-Type: '.$mime);
// Use cache.
$lifetime = 60 * 60 * 24; // 1 day.
header('Expires: '.gmdate('D, d M Y H:i:s', time() + $lifetime).' GMT');
header('Pragma: ');
header('Cache-Control: public, max-age='.$lifetime);
header('Accept-Ranges: none');
/**
* Callback used in bootstrap.
*/
function auth_outage_bootstrap_callback() {
// Not using classes as classloader has not been initialized yet. Keep it minimalist.
require_once(__DIR__.'/lib.php');
$file = auth_outage_get_climaintenance_resource_file($_GET['file']);
if (is_null($file)) {
// @codingStandardsIgnoreStart
error_log('Invalid file: '.$_GET['file']);
// @codingStandardsIgnoreEnd
http_response_code(404);
die('File not found.');
}
readfile($file);
exit(0);
}
// @codingStandardsIgnoreStart
require_once(__DIR__.'/../../config.php');
// @codingStandardsIgnoreEnd
// We should never reach here if config.php and auth/outage/bootstrap.php intercepted it correctly.
// If config.php did not execute the callback function we can use the debugging function here.
debugging('Your config.php is not properly configured for auth/outage plugin. '.
'Please check the plugin settings for information.');