Proyectos de Subversion Moodle

<?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/>.

/**
 * unilabel type carousel.
 *
 * @package     unilabeltype_carousel
 * @author      Andreas Grabs <info@grabs-edv.de>
 * @copyright   2018 onwards Grabs EDV {@link https://www.grabs-edv.de}
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @param mixed $course
 * @param mixed $cm
 * @param mixed $context
 * @param mixed $filearea
 * @param mixed $args
 * @param mixed $forcedownload
 */

/**
 * Send files provided by this plugin.
 *
 * @param  \stdClass $course
 * @param  \stdClass $cm
 * @param  \context  $context
 * @param  string    $filearea
 * @param  array     $args
 * @param  bool      $forcedownload
 * @return bool
 */
function unilabeltype_carousel_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload) {
    if ($context->contextlevel != CONTEXT_MODULE) {
        return false;
    }

    require_course_login($course, true, $cm);
    if (!has_capability('mod/unilabel:view', $context)) {
        return false;
    }

    switch ($filearea) {
        case 'caption':
        case 'image':
        case 'image_mobile':
            break;
        default:
            return false;
    }

    $relativepath = implode('/', $args);
    $fullpath     = '/' . $context->id . '/unilabeltype_carousel/' . $filearea . '/' . $relativepath;

    $fs = get_file_storage();
    if ($file = $fs->get_file_by_hash(sha1($fullpath))) {
        if (!$file->is_directory()) {
            send_stored_file($file, 0, 0, true); // Download MUST be forced - security!
        }
    }

    return false;
}