admin/mnet/index.php

   1 <?PHP // $Id$
   2
   3     // Allows the admin to configure mnet stuff
   4
   5     require_once(dirname(dirname(dirname(__FILE__))) . '/config.php');
   6     require_once($CFG->libdir.'/adminlib.php');
   7     include_once($CFG->dirroot.'/mnet/lib.php');
   8
   9     require_login();
  10     admin_externalpage_setup('net');
  11
  12     $context = get_context_instance(CONTEXT_SYSTEM);
  13
  14     require_capability('moodle/site:config', $context, $USER->id, true, "nopermissions");
  15
  16
  17     if (!extension_loaded('openssl')) {
  18         admin_externalpage_print_header();
  19         set_config('mnet_dispatcher_mode', 'off');
  20         print_error('requiresopenssl', 'mnet', '', NULL, true);
  21     }
  22
  23     if (!$site = get_site()) {
  24         admin_externalpage_print_header();
  25         set_config('mnet_dispatcher_mode', 'off');
  26         print_error('nosite', '', '', NULL, true);
  27     }
  28
  29     if (!function_exists('curl_init') ) {
  30         admin_externalpage_print_header();
  31         set_config('mnet_dispatcher_mode', 'off');
  32         print_error('nocurl', 'mnet', '', NULL, true);
  33     }
  34
  35     if (!isset($CFG->mnet_dispatcher_mode)) {
  36         set_config('mnet_dispatcher_mode', 'off');
  37     }
  38
  39 /// If data submitted, process and store
  40     if (($form = data_submitted()) && confirm_sesskey()) {
  41         if (!empty($form->submit) && $form->submit == get_string('savechanges')) {
  42             if (in_array($form->mode, array("off", "strict", "dangerous"))) {
  43                 if (set_config('mnet_dispatcher_mode', $form->mode)) {
  44                     redirect('index.php', get_string('changessaved'));
  45                 } else {
  46                     error('Invalid action parameter.', 'index.php');
  47                 }
  48             }
  49         } elseif (!empty($form->submit) && $form->submit == get_string('delete')) {
  50             $MNET->get_private_key();
  51             $_SESSION['mnet_confirm_delete_key'] = md5(sha1($MNET->keypair['keypair_PEM'])).':'.time();
  52             notice_yesno(get_string("deletekeycheck", "mnet"),
  53                                     "index.php?sesskey=$USER->sesskey&amp;confirm=".md5($MNET->public_key),
  54                                     "index.php",
  55                                      array('sesskey' => $USER->sesskey),
  56                                      NULL,
  57                                     'post',
  58                                     'get');
  59             exit;
  60         } else {
  61             // We're deleting
  62
  63
  64             if (!isset($_SESSION['mnet_confirm_delete_key'])) {
  65                 // fail - you're being attacked?
  66             }
  67
  68             $key = '';
  69             $time = '';
  70             @list($key, $time) = explode(':',$_SESSION['mnet_confirm_delete_key']);
  71             $MNET->get_private_key();
  72
  73             if($time < time() - 60) {
  74                 // fail - you're out of time.
  75                 print_error ('deleteoutoftime', 'mnet', 'index.php');
  76                 exit;
  77             }
  78
  79             if ($key != md5(sha1($MNET->keypair['keypair_PEM']))) {
  80                 // fail - you're being attacked?
  81                 print_error ('deletewrongkeyvalue', 'mnet', 'index.php');
  82                 exit;
  83             }
  84
  85             $MNET->replace_keys();
  86             redirect('index.php', get_string('keydeleted','mnet'));
  87             exit;
  88         }
  89     }
  90     $hosts = get_records_select('mnet_host', " id != '{$CFG->mnet_localhost_id}' AND deleted = '0' ",'wwwroot ASC' );
  91
  92     admin_externalpage_print_header();
  93 ?>
  94 <center>
  95 <form method="post" action="index.php">
  96     <table align="center" width="635" class="generalbox" border="0" cellpadding="5" cellspacing="0">
  97         <tr>
  98             <td  class="generalboxcontent">
  99             <table cellpadding="9" cellspacing="0" >
 100                 <tr valign="top">
 101                     <td colspan="2" class="header" cellpadding="0"><?php print_string('aboutyourhost', 'mnet'); ?></td>
 102                 </tr>
 103                 <tr valign="top">
 104                     <td align="right"><?php print_string('publickey', 'mnet'); ?>:</td>
 105                     <td><pre><?php echo $MNET->public_key; ?></pre></td>
 106                 </tr>
 107                 <tr valign="top">
 108                     <td align="right"><?php print_string('expires', 'mnet'); ?>:</td>
 109                     <td><?php echo userdate($MNET->public_key_expires); ?></td>
 110                 </tr>
 111                 <tr valign="top">
 112                     <td align="right"><?php print_string('net', 'mnet'); ?>:</td>
 113                     <td><input type="hidden" name="sesskey" value="<?php echo $USER->sesskey ?>" />
 114                         <input type="radio" name="mode" value="off" <?php echo ("off" == $CFG->mnet_dispatcher_mode)? 'checked="checked"' : '' ?> /> <?php print_string('off', 'mnet'); ?> <br />
 115                         <input type="radio" name="mode" value="strict" <?php echo ("strict" == $CFG->mnet_dispatcher_mode)? 'checked="checked"' : '' ?> /> <?php print_string('on', 'mnet'); ?><br />
 116                         <input type="submit" name="submit" value="<?php print_string('savechanges'); ?>" />
 117                     </td>
 118                 </tr>
 119             </table>
 120             </td>
 121         </tr>
 122     </table>
 123 </form>
 124 <form method="post" action="index.php">
 125     <table align="center" width="635" class="generalbox" border="0" cellpadding="5" cellspacing="0">
 126         <tr>
 127             <td  class="generalboxcontent">
 128             <table cellpadding="9" cellspacing="0" >
 129                 <tr valign="top">
 130                     <td colspan="2" class="header" cellpadding="0"><?php print_string('expireyourkey', 'mnet'); ?></td>
 131                 </tr>
 132                 <tr valign="top">
 133                     <td colspan="2" cellpadding="0"><?php print_string('expireyourkeyexplain', 'mnet'); ?></td>
 134                 </tr>
 135                 <tr valign="top">
 136                     <td align="left" width="10" nowrap="nowrap"><?php print_string('expireyourkey', 'mnet'); ?></td>
 137                     <td align="left"><input type="hidden" name="sesskey" value="<?php echo $USER->sesskey ?>" />
 138                         <input type="hidden" name="deleteKey" value="" />
 139                         <input type="submit" name="submit" value="<?php print_string('delete'); ?>" />
 140                     </td>
 141                 </tr>
 142             </table>
 143             </td>
 144         </tr>
 145     </table>
 146 </form>
 147 </center>
 148
 149 <?php
 150 admin_externalpage_print_footer();
 151 ?>