bind('register_after_validation', array($this, 'hook_register_after_validation')); $manager->bind('register_before_header', array($this, 'hook_register_before_header')); $manager->bind('register_before_submit', array($this, 'hook_register_before_submit')); } function load_lang() { global $pun_user; if (isset($this->lang)) return; $user_lang = file_exists(PUN_ROOT.'lang/'.$pun_user['language'].'/copyable_captcha.php') ? $pun_user['language'] : 'English'; require PUN_ROOT.'lang/'.$user_lang.'/copyable_captcha.php'; $this->lang = $lang_copyable_captcha; } function hook_register_after_validation() { global $errors, $cookie_name, $cookie_seed; if (isset($_POST['req_word']) && isset($_COOKIE[$cookie_name.'_captcha']) && substr_count($_COOKIE[$cookie_name.'_captcha'], '-') === 1) { list($hash, $time) = explode('-', $_COOKIE[$cookie_name.'_captcha']); $word = $_POST['req_word']; if ((int)$time <= time() - 120 || $hash !== sha1(strtolower($word).$cookie_seed.'secret'.$time)) { $this->load_lang(); $errors[] = $this->lang['Captcha error']; } } else { $this->load_lang(); $errors[] = $this->lang['Captcha error']; } } function hook_register_before_header() { global $required_fields, $errors, $cookie_name, $cookie_seed; $this->load_lang(); $required_fields['req_word'] = $this->lang['Captcha']; $time = time(); $word = random_pass(mt_rand(4, 6)); $hash = sha1(strtolower($word).$cookie_seed.'secret'.$time); forum_setcookie($cookie_name.'_captcha', $hash.'-'.$time, $time + 120); $array = str_split($word); $mixin = random_pass(mt_rand(1, 3)); $i = -1; $this->styles = ''; foreach (str_split($mixin) as $ch) { $i = mt_rand($i+1, count($array)); array_splice($array, $i, 0, $ch); $this->styles .= '.masq i:nth-child('.($i + 1).'){display:none;} '; } $this->spans = ''.implode('', $array).''; } function hook_register_before_submit() { global $lang_common; $this->load_lang(); ?>
lang['Captcha legend'] ?>

lang['Captcha info'], $this->spans) ?>