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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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* Library file for report_allbackups
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*
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* @package report_allbackups
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* @copyright 2020 Catalyst IT
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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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/**
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* Plugin file handler to allow backups to be downloaded on autobackups report.
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*
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* @param stdClass $course the course object
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* @param stdClass $cm the course module object
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* @param context $context the newmodule's context
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* @param string $filearea the name of the file area
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* @param array $args extra arguments (itemid, path)
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* @param bool $forcedownload whether or not force download
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* @param array $options additional options affecting the file serving
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* @return false
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* @throws coding_exception
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* @throws dml_exception
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* @throws moodle_exception
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* @throws require_login_exception
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*/
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function report_allbackups_pluginfile($course,
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$cm,
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context $context,
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$filearea,
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$args,
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$forcedownload,
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array $options = array()) {
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if ($context->contextlevel != CONTEXT_SYSTEM) {
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return false;
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}
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require_login($course, false, $cm);
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if (!has_capability('report/allbackups:view', $context)) {
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return false;
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}
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// Make sure backup dir is set.
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$backupdest = get_config('backup', 'backup_auto_destination');
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if (empty($backupdest)) {
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return false;
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}
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$filename = implode('/', $args);
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// Check nothing weird passed in filename - protect against directory traversal etc.
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if ($filename != clean_param($filename, PARAM_FILE)) {
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return false;
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}
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// Check to make sure this is an mbz file.
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if (pathinfo($filename, PATHINFO_EXTENSION) != 'mbz') {
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return false;
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}
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$file = $backupdest .'/'. $filename;
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if (is_readable($file)) {
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$dontdie = ($options && isset($options['dontdie']));
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send_file($file, $filename, null , 0, false, $forcedownload, '', $dontdie);
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} else {
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send_file_not_found();
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}
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}
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