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<?php
$wgHooks['ArticleSave'][] = 'FunnyDot::checkAntiSpamHash';
$wgExtensionCredits['other'][] = array(
'name' => 'FunnyDot',
'description' => 'Schutz vor Spam-Bots',
'author' => 'Pierre Schmitz',
'url' => 'http://www.archlinux.de',
);
class FunnyDot {
public static function checkAntiSpamHash()
{
global $wgAntiSpamHash, $wgAntiSpamTimeout, $wgAntiSpamWait;
$now = time();
if (!empty($_COOKIE['AntiSpamTime']) && !empty($_COOKIE['AntiSpamHash']))
{
$time = intval($_COOKIE['AntiSpamTime']);
if ($_COOKIE['AntiSpamHash'] != sha1($time.$wgAntiSpamHash))
{
return false;
}
if ($now - $time > $wgAntiSpamTimeout)
{
return false;
}
elseif ($now - $time < $wgAntiSpamWait)
{
return false;
}
}
else
{
return false;
}
return true;
}
}
?>
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