*/
class action_plugin_ipban extends DokuWiki_Action_Plugin
{
/**
* register the eventhandlers and initialize some options
*/
public function register(Doku_Event_Handler $controller)
{
$controller->register_hook('DOKUWIKI_STARTED',
'BEFORE',
$this,
'handle_start',
array());
}
/**
* Do the magic
*
* @param Doku_Event $event
* @param $param
*/
public function handle_start(Doku_Event $event, $param)
{
global $conf;
$bans = @file($conf['cachedir'] . '/ipbanplugin.txt');
$client = clientIP(true);
if (!is_array($bans)) return;
// if the client isn't banned, we're done
$banreason = $this->isBanned($client, $bans);
if (!$banreason) return;
// prepare template
$text = $this->locale_xhtml('banned');
$text .= vsprintf('' . $this->getLang('banned') . '
', array_map('hsc', $banreason));
$title = $this->getLang('denied');
// output
http_status(403, 'Forbidden');
echo '';
echo '';
echo "$title";
echo '';
echo '';
echo $text;
echo '
';
echo '';
echo '';
exit;
}
/**
* Check if the given client IP is in the list of ban lines
*
* @param string $client IP of the client
* @param string[] $banconf List of ban lines
* @return false|array false or ban info [ip, date, reason]
*/
protected function isBanned($client, $banconf)
{
require_once(__DIR__ . '/ip-lib/ip-lib.php');
$ip = \IPLib\Factory::addressFromString($client);
foreach ($banconf as $ban) {
list($range, $dt, /*user*/, $reason) = explode("\t", trim($ban));
$ipRange = \IPLib\Factory::rangeFromString($range);
if($ipRange === null) continue;
if ($ip->matches($ipRange)) {
return [
$ip->toString(),
dformat($dt),
$reason,
];
}
}
return false;
}
}