admin/mnet/index.php

   1 <?php
   2
   3     // Allows the admin to configure mnet stuff
   4
   5     require(__DIR__.'/../../config.php');
   6     require_once($CFG->libdir.'/adminlib.php');
   7     include_once($CFG->dirroot.'/mnet/lib.php');
   8
   9     admin_externalpage_setup('net');
  10
  11     $context = context_system::instance();
  12
  13
  14     $site = get_site();
  15     $mnet = get_mnet_environment();
  16
  17     if (!extension_loaded('openssl')) {
  18         echo $OUTPUT->header();
  19         set_config('mnet_dispatcher_mode', 'off');
  20         throw new \moodle_exception('requiresopenssl', 'mnet');
  21     }
  22
  23     if (!function_exists('curl_init') ) {
  24         echo $OUTPUT->header();
  25         set_config('mnet_dispatcher_mode', 'off');
  26         throw new \moodle_exception('nocurl', 'mnet');
  27     }
  28
  29     if (!isset($CFG->mnet_dispatcher_mode)) {
  30         set_config('mnet_dispatcher_mode', 'off');
  31     }
  32
  33 /// If data submitted, process and store
  34     if (($form = data_submitted()) && confirm_sesskey()) {
  35         if (!empty($form->submit) && $form->submit == get_string('savechanges')) {
  36             if (in_array($form->mode, array("off", "strict", "dangerous"))) {
  37                 if (set_config('mnet_dispatcher_mode', $form->mode)) {
  38                     redirect('index.php', get_string('changessaved'));
  39                 } else {
  40                     throw new \moodle_exception('invalidaction', '', 'index.php');
  41                 }
  42             }
  43         } elseif (!empty($form->submit) && $form->submit == get_string('delete')) {
  44             $mnet->get_private_key();
  45             $SESSION->mnet_confirm_delete_key = md5(sha1($mnet->keypair['keypair_PEM'])).':'.time();
  46
  47             $formcontinue = new single_button(new moodle_url('index.php', array('confirm' => md5($mnet->public_key))), get_string('yes'));
  48             $formcancel = new single_button(new moodle_url('index.php', array()), get_string('no'));
  49
  50             echo $OUTPUT->header();
  51             echo $OUTPUT->confirm(get_string("deletekeycheck", "mnet"), $formcontinue, $formcancel);
  52             echo $OUTPUT->footer();
  53             exit;
  54         } else {
  55             // We're deleting
  56
  57             // If no/cancel then redirect back to the network setting page.
  58             if (!isset($form->confirm)) {
  59                 redirect(
  60                     new moodle_url('/admin/mnet/index.php'),
  61                     get_string('keydeletedcancelled', 'mnet'),
  62                     null,
  63                     \core\output\notification::NOTIFY_SUCCESS
  64                 );
  65             }
  66
  67             if (!isset($SESSION->mnet_confirm_delete_key)) {
  68                 // fail - you're being attacked?
  69             }
  70
  71             $key = '';
  72             $time = '';
  73             @list($key, $time) = explode(':',$SESSION->mnet_confirm_delete_key);
  74             $mnet->get_private_key();
  75
  76             if($time < time() - 60) {
  77                 // fail - you're out of time.
  78                 redirect(
  79                     new moodle_url('/admin/mnet/index.php'),
  80                     get_string('deleteoutoftime', 'mnet'),
  81                     null,
  82                     \core\output\notification::NOTIFY_WARNING
  83                 );
  84             }
  85
  86             if ($key != md5(sha1($mnet->keypair['keypair_PEM']))) {
  87                 // fail - you're being attacked?
  88                 throw new \moodle_exception ('deletewrongkeyvalue', 'mnet', 'index.php');
  89                 exit;
  90             }
  91
  92             $mnet->replace_keys();
  93             redirect('index.php', get_string('keydeleted','mnet'));
  94         }
  95     }
  96     $hosts = $DB->get_records_select('mnet_host', "id <> ? AND deleted = 0", array($CFG->mnet_localhost_id), 'wwwroot ASC');
  97
  98     echo $OUTPUT->header();
  99 ?>
 100 <form method="post" action="index.php">
 101     <table align="center" width="635" class="generaltable" border="0" cellpadding="5" cellspacing="0">
 102         <tr>
 103             <td  class="generalboxcontent">
 104             <table cellpadding="9" cellspacing="0" >
 105                 <tr valign="top">
 106                     <td colspan="2" class="header"><?php print_string('aboutyourhost', 'mnet'); ?></td>
 107                 </tr>
 108                 <tr valign="top">
 109                     <td align="right"><?php print_string('publickey', 'mnet'); ?>:</td>
 110                     <td><pre><?php echo $mnet->public_key; ?></pre></td>
 111                 </tr>
 112                 <tr valign="top">
 113                     <td align="right"><?php print_string('expires', 'mnet'); ?>:</td>
 114                     <td><?php echo userdate($mnet->public_key_expires); ?></td>
 115                 </tr>
 116             </table>
 117             </td>
 118         </tr>
 119     </table>
 120 </form>
 121 <form method="post" action="index.php">
 122     <table align="center" width="635" class="generaltable" border="0" cellpadding="5" cellspacing="0">
 123         <tr>
 124             <td  class="generalboxcontent">
 125             <table cellpadding="9" cellspacing="0" >
 126                 <tr valign="top">
 127                     <td colspan="2" class="header"><?php print_string('expireyourkey', 'mnet'); ?></td>
 128                 </tr>
 129                 <tr valign="top">
 130                     <td colspan="2"><?php print_string('expireyourkeyexplain', 'mnet'); ?></td>
 131                 </tr>
 132                 <tr valign="top">
 133                     <td align="left" width="10" nowrap="nowrap"><?php print_string('expireyourkey', 'mnet'); ?></td>
 134                     <td align="left"><input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
 135                         <input type="hidden" name="deleteKey" value="" />
 136                         <input type="submit" name="submit" value="<?php print_string('delete'); ?>" />
 137                     </td>
 138                 </tr>
 139             </table>
 140             </td>
 141         </tr>
 142     </table>
 143 </form>
 144
 145 <?php
 146 echo $OUTPUT->footer();