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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Responsible for handling AJAX requests related to H5P.
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*
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* @package core_h5p
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* @copyright 2020 Victor Deniz <victor@moodle.com>, based on code by Joubel AS
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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use core_h5p\factory;
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use core_h5p\framework;
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use core_h5p\local\library\autoloader;
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use Moodle\H5PCore;
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use Moodle\H5PEditorEndpoints;
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define('AJAX_SCRIPT', true);
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require(__DIR__ . '/../config.php');
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require_once($CFG->libdir . '/filelib.php');
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if (!confirm_sesskey()) {
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autoloader::register();
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H5PCore::ajaxError(get_string('invalidsesskey', 'error'));
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header('HTTP/1.1 403 Forbidden');
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return;
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}
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require_login();
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$action = required_param('action', PARAM_ALPHA);
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$factory = new factory();
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$editor = $factory->get_editor();
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// Set context to default system context.
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$PAGE->set_context(null);
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switch ($action) {
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// Load list of libraries or details for library.
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case 'libraries':
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// Get parameters.
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$name = optional_param('machineName', '', PARAM_TEXT);
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$major = optional_param('majorVersion', 0, PARAM_INT);
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$minor = optional_param('minorVersion', 0, PARAM_INT);
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// Normalise Moodle language using underscore, as opposed to H5P which uses dash.
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$language = optional_param('default-language', '', PARAM_RAW);
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$language = clean_param(str_replace('-', '_', $language), PARAM_LANG);
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if (!empty($name)) {
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$editor->ajax->action(H5PEditorEndpoints::SINGLE_LIBRARY, $name,
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$major, $minor, framework::get_language(), '', '', $language);
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} else {
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$editor->ajax->action(H5PEditorEndpoints::LIBRARIES);
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}
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break;
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// Load content type cache list to display available libraries in hub.
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case 'contenttypecache':
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$editor->ajax->action(H5PEditorEndpoints::CONTENT_TYPE_CACHE);
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break;
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// Handle file upload through the editor.
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// This endpoint needs a token that only users with H5P editor access could get.
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// TODO: MDL-68907 to check capabilities.
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case 'files':
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$token = required_param('token', PARAM_RAW);
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$contentid = required_param('contentId', PARAM_INT);
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$maxsize = get_max_upload_file_size($CFG->maxbytes);
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// Check size of each uploaded file and scan for viruses.
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foreach ($_FILES as $uploadedfile) {
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$filename = clean_param($uploadedfile['name'], PARAM_FILE);
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if ($uploadedfile['size'] > $maxsize) {
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H5PCore::ajaxError(get_string('maxbytesfile', 'error', ['file' => $filename, 'size' => display_size($maxsize, 0)]));
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return;
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}
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\core\antivirus\manager::scan_file($uploadedfile['tmp_name'], $filename, true);
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}
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$editor->ajax->action(H5PEditorEndpoints::FILES, $token, $contentid);
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break;
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// Get the $language libraries translations.
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case 'translations':
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$language = required_param('language', PARAM_RAW);
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$editor->ajax->action(H5PEditorEndpoints::TRANSLATIONS, $language);
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break;
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// Handle filtering of parameters through AJAX.
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case 'filter':
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$token = required_param('token', PARAM_RAW);
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$libraryparameters = required_param('libraryParameters', PARAM_RAW);
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$editor->ajax->action(H5PEditorEndpoints::FILTER, $token, $libraryparameters);
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break;
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// Throw error if AJAX action is not handled.
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default:
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throw new coding_exception('Unhandled AJAX');
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break;
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}
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