get_option_value('secret_seed');
if (empty ($seed))
{
$seed = sk2_rand_str(10);
$this->set_option_value('secret_seed', $seed);
$this->log_msg(__("Resetting secret seed to: $seed."), 5);
}
$time = time();
$ip = $_SERVER['REMOTE_ADDR'];
//echo (""); // debug
$payload = md5($time . $seed . $ip . $post_ID);
echo "";
echo "";
echo "
";
}
function version_update($cur_version)
{
$seed = sk2_rand_str(10);
$this->set_option_value('secret_seed', $seed);
$this->log_msg(__("Resetting secret seed to: ", 'sk2') . $seed, 5);
return true;
}
function filter_this(&$cmt_object)
{
if ($cmt_object->is_post_proc())
{
$log = __("Cannot check encrypted payload in post_proc mode.");
$this->log_msg($log, 4);
return;
}
if (! $cmt_object->is_comment())
return;
if (empty($_REQUEST['sk2_payload']))
{
$log = __("Encrypted Payload missing from form.");
$karma_diff = -20;
$this->log_msg($log, 1);
}
elseif($cmt_object->post_ID != $_REQUEST['comment_post_ID'])
{
$log = sprintf(__("Error: Submitted Post_ID variable (%d) not matching ours (%d).", 'sk2'), $_REQUEST['comment_post_ID'], $cmt_object->post_ID);
$this->log_msg($log, 9);
$karma_diff = -8;
}
else
{
$seed = $this->get_option_value('secret_seed');
if ($_REQUEST['sk2_payload'] != md5($_REQUEST['sk2_time'] . $seed . $_REQUEST['sk2_ip'] . $cmt_object->post_ID))
{
$log = __("Fake Payload.");
$karma_diff = -20;
$this->log_msg($log, 2);
}
elseif ($_REQUEST['sk2_ip'] == $_SERVER['REMOTE_ADDR'])
{
$log = __("Encrypted payload valid: IP matching.");
$karma_diff = 0;
}
else
{
$log = __("Encrypted payload valid: IP not matching.");
$karma_diff = - 2.5;
}
}
$this->modify_karma($cmt_object, $karma_diff, $log);
}
}
$this->register_plugin("sk2_payload_plugin", 2);
?>