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   1  <?PHP // $Id: index.php,v 1.15 2007/08/02 05:27:06 donal72 Exp $
   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  ?>