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Name	Size	Permission
.pkexec	[ DIR ]	drwxr-xr-x
GCONV_PATH=.	[ DIR ]	drwxr-xr-x
.mad-root	0 B	-rw-r--r--
manager.php	4.31 KB	-rwxrwxrwx
pwnkit	10.99 KB	-rwxr-xr-x
scanner.php	4.93 KB	-rwxrwxrwx
scanner_exception.php	1.61 KB	-rwxrwxrwx

Code Editor : manager.php

<?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/>.

/**
 * Manager class for antivirus integration.
 *
 * @package    core_antivirus
 * @copyright  2015 Ruslan Kabalin, Lancaster University.
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace core\antivirus;

defined('MOODLE_INTERNAL') || die();

/**
 * Class used for various antivirus related stuff.
 *
 * @package    core_antivirus
 * @copyright  2015 Ruslan Kabalin, Lancaster University.
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class manager {
    /**
     * Returns list of enabled antiviruses.
     *
     * @return array Array ('antivirusname'=>stdClass antivirus object).
     */
    private static function get_enabled() {
        global $CFG;

$active = array();
        if (empty($CFG->antiviruses)) {
            return $active;
        }

foreach (explode(',', $CFG->antiviruses) as $e) {
            if ($antivirus = self::get_antivirus($e)) {
                if ($antivirus->is_configured()) {
                    $active[$e] = $antivirus;
                }
            }
        }
        return $active;
    }

/**
     * Scan file using all enabled antiviruses, throws exception in case of infected file.
     *
     * @param string $file Full path to the file.
     * @param string $filename Name of the file (could be different from physical file if temp file is used).
     * @param bool $deleteinfected whether infected file needs to be deleted.
     * @throws \core\antivirus\scanner_exception If file is infected.
     * @return void
     */
    public static function scan_file($file, $filename, $deleteinfected) {
        $antiviruses = self::get_enabled();
        foreach ($antiviruses as $antivirus) {
            $result = $antivirus->scan_file($file, $filename);
            if ($result === $antivirus::SCAN_RESULT_FOUND) {
                // Infection found.
                if ($deleteinfected) {
                    unlink($file);
                }
                throw new \core\antivirus\scanner_exception('virusfound', '', array('item' => $filename));
            }
        }
    }

/**
     * Scan data steam using all enabled antiviruses, throws exception in case of infected data.
     *
     * @param string $data The varaible containing the data to scan.
     * @throws \core\antivirus\scanner_exception If data is infected.
     * @return void
     */
    public static function scan_data($data) {
        $antiviruses = self::get_enabled();
        foreach ($antiviruses as $antivirus) {
            $result = $antivirus->scan_data($data);
            if ($result === $antivirus::SCAN_RESULT_FOUND) {
                throw new \core\antivirus\scanner_exception('virusfound', '', array('item' => get_string('datastream', 'antivirus')));
            }
        }
    }

/**
     * Returns instance of antivirus.
     *
     * @param string $antivirusname name of antivirus.
     * @return object|bool antivirus instance or false if does not exist.
     */
    public static function get_antivirus($antivirusname) {
        global $CFG;

$classname = '\\antivirus_' . $antivirusname . '\\scanner';
        if (!class_exists($classname)) {
            return false;
        }
        return new $classname();
    }

/**
     * Get the list of available antiviruses.
     *
     * @return array Array ('antivirusname'=>'localised antivirus name').
     */
    public static function get_available() {
        $antiviruses = array();
        foreach (\core_component::get_plugin_list('antivirus') as $antivirusname => $dir) {
            $antiviruses[$antivirusname] = get_string('pluginname', 'antivirus_'.$antivirusname);
        }
        return $antiviruses;
    }
}

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Code Editor : manager.php