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_admin();
  37
  38 $returnurl = "$CFG->wwwroot/$CFG->admin/settings.php?section=manageantiviruses";
  39
  40 // Get currently installed and enabled antivirus plugins.
  41 $availableantiviruses = \core\antivirus\manager::get_available();
  42 if (!empty($antivirus) and empty($availableantiviruses[$antivirus])) {
  43     redirect ($returnurl);
  44 }
  45
  46 $activeantiviruses = explode(',', $CFG->antiviruses);
  47 foreach ($activeantiviruses as $key => $active) {
  48     if (empty($availableantiviruses[$active])) {
  49         unset($activeantiviruses[$key]);
  50     }
  51 }
  52
  53 if (!confirm_sesskey()) {
  54     redirect($returnurl);
  55 }
  56
  57 $needsupdate = false;
  58 switch ($action) {
  59     case 'disable':
  60         // Remove from enabled list.
  61         $class = \core_plugin_manager::resolve_plugininfo_class('antivirus');
  62         $class::enable_plugin($antivirus, false);
  63         break;
  64
  65     case 'enable':
  66         // Add to enabled list.
  67         if (!in_array($antivirus, $activeantiviruses)) {
  68             $class = \core_plugin_manager::resolve_plugininfo_class('antivirus');
  69             $class::enable_plugin($antivirus, true);
  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                 $needsupdate = true;
  83             }
  84         }
  85         break;
  86
  87     case 'up':
  88         $key = array_search($antivirus, $activeantiviruses);
  89         // Check auth is valid.
  90         if ($key !== false) {
  91             // Move up the list.
  92             if ($key >= 1) {
  93                 $fsave = $activeantiviruses[$key];
  94                 $activeantiviruses[$key] = $activeantiviruses[$key - 1];
  95                 $activeantiviruses[$key - 1] = $fsave;
  96                 $needsupdate = true;
  97             }
  98         }
  99         break;
 100
 101     default:
 102         break;
 103 }
 104
 105 if ($needsupdate) {
 106     $new = implode(',', $activeantiviruses);
 107     add_to_config_log('antiviruses', $CFG->antiviruses, $new, 'core');
 108     set_config('antiviruses', $new);
 109     core_plugin_manager::reset_caches();
 110 }
 111
 112
 113 redirect ($returnurl);