See Release Notes
Long Term Support Release
<?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/>. /** * Loader for resource files within TinyMCE plugins. * * This loader handles requests which have the plugin version number in. These * requests are set to never expire from cache, to improve performance. Only * files within the 'tinymce' folder of the plugin will be served. * * Note there are no access checks in this script - you do not have to be * logged in to retrieve the plugin resource files. * * @package editor_tinymce * @copyright 2012 The Open University * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ define('NO_MOODLE_COOKIES', true); require_once('../../../../config.php'); require_once($CFG->dirroot . '/lib/filelib.php'); require_once($CFG->dirroot . '/lib/jslib.php'); // Safely get slash params (cleaned using PARAM_PATH, without /../). $path = get_file_argument(); // Param must be of the form [plugin]/[version]/[path] where path is a relative // path inside the plugin tinymce folder. $matches = array(); if (!preg_match('~^/([a-z0-9_]+)/((?:[0-9.]+)|-1)(/.*)$~', $path, $matches)) {< print_error('filenotfound');> throw new \moodle_exception('filenotfound');} list($junk, $tinymceplugin, $version, $innerpath) = $matches; // Note that version number is totally ignored, user can specify anything, // except for the difference between '-1' and anything else. // Check the file exists. $pluginfolder = $CFG->dirroot . '/lib/editor/tinymce/plugins/' . $tinymceplugin; $file = $pluginfolder . '/tinymce' .$innerpath; if (!file_exists($file)) {< print_error('filenotfound');> throw new \moodle_exception('filenotfound');} // We don't actually care what the version number is but there is a special // case for '-1' which means, set the files to not be cached. $allowcache = ($version !== '-1'); if ($allowcache) { // Set it to expire a year later. Note that this means we should never get // If-Modified-Since requests so there is no need to handle them specially. header('Expires: ' . date('r', time() + 365 * 24 * 3600)); header('Cache-Control: max-age=' . 365 * 24 * 3600 . ', immutable'); // Pragma is set to no-cache by default so must be overridden. header('Pragma:'); } // Get the right MIME type. $mimetype = mimeinfo('type', $file); // For JS files, these can be minified and stored in cache. if ($mimetype === 'application/x-javascript' && $allowcache) { // The cached file is stored without version number etc. This is okay // because $CFG->cachedir is cleared each time there is a plugin update, // such as a new version of a tinymce plugin. // Flatten filename and include cache location. $cache = $CFG->cachedir . '/editor_tinymce/pluginjs'; $cachefile = $cache . '/' . $tinymceplugin . str_replace('/', '_', $innerpath); // If it doesn't exist, minify it and save to that location. if (!file_exists($cachefile)) { $content = core_minify::js_files(array($file)); js_write_cache_file_content($cachefile, $content); } $file = $cachefile; } else if ($mimetype === 'text/html') { header('X-UA-Compatible: IE=edge'); } // Serve file. header('Content-Length: ' . filesize($file)); header('Content-Type: ' . $mimetype); readfile($file);