admin/antiviruses.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Allows admin to configure antiviruses.
  19  *
  20  * @package    core_antivirus
  21  * @copyright  2015 Ruslan Kabalin, Lancaster University.
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once('../config.php');
  26 require_once($CFG->libdir.'/adminlib.php');
  27 require_once($CFG->libdir.'/tablelib.php');
  28
  29 $action  = required_param('action', PARAM_ALPHANUMEXT);
  30 $antivirus  = required_param('antivirus', PARAM_PLUGIN);
  31 $confirm = optional_param('confirm', 0, PARAM_BOOL);
  32
  33 $PAGE->set_url('/admin/antiviruses.php', array('action' => $action, 'antivirus' => $antivirus));
  34 $PAGE->set_context(context_system::instance());
  35
  36 require_login();
  37 require_capability('moodle/site:config', context_system::instance());
  38
  39 $returnurl = "$CFG->wwwroot/$CFG->admin/settings.php?section=manageantiviruses";
  40
  41 // Get currently installed and enabled antivirus plugins.
  42 $availableantiviruses = \core\antivirus\manager::get_available();
  43 if (!empty($antivirus) and empty($availableantiviruses[$antivirus])) {
  44     redirect ($returnurl);
  45 }
  46
  47 $activeantiviruses = explode(',', $CFG->antiviruses);
  48 foreach ($activeantiviruses as $key => $active) {
  49     if (empty($availableantiviruses[$active])) {
  50         unset($activeantiviruses[$key]);
  51     }
  52 }
  53
  54 if (!confirm_sesskey()) {
  55     redirect($returnurl);
  56 }
  57
  58 switch ($action) {
  59     case 'disable':
  60         // Remove from enabled list.
  61         $key = array_search($antivirus, $activeantiviruses);
  62         unset($activeantiviruses[$key]);
  63         break;
  64
  65     case 'enable':
  66         // Add to enabled list.
  67         if (!in_array($antivirus, $activeantiviruses)) {
  68             $activeantiviruses[] = $antivirus;
  69             $activeantiviruses = array_unique($activeantiviruses);
  70         }
  71         break;
  72
  73     case 'down':
  74         $key = array_search($antivirus, $activeantiviruses);
  75         // Check auth plugin is valid.
  76         if ($key !== false) {
  77             // Move down the list.
  78             if ($key < (count($activeantiviruses) - 1)) {
  79                 $fsave = $activeantiviruses[$key];
  80                 $activeantiviruses[$key] = $activeantiviruses[$key + 1];
  81                 $activeantiviruses[$key + 1] = $fsave;
  82             }
  83         }
  84         break;
  85
  86     case 'up':
  87         $key = array_search($antivirus, $activeantiviruses);
  88         // Check auth is valid.
  89         if ($key !== false) {
  90             // Move up the list.
  91             if ($key >= 1) {
  92                 $fsave = $activeantiviruses[$key];
  93                 $activeantiviruses[$key] = $activeantiviruses[$key - 1];
  94                 $activeantiviruses[$key - 1] = $fsave;
  95             }
  96         }
  97         break;
  98
  99     default:
 100         break;
 101 }
 102
 103 set_config('antiviruses', implode(',', $activeantiviruses));
 104 core_plugin_manager::reset_caches();
 105
 106 redirect ($returnurl);