function tags_normalize_string($string)
{
$string = clear_whitespace($string);
$string = html_entity_decode(trim($string), ENT_COMPAT, 'UTF-8');
$string = preg_replace('/-+/', '-', $string);
// Don't allow a sequence of more than a "-"
$string = preg_replace('/ +,/', ',', $string);
// Avoid errors like " ,"
$string = preg_replace('/[\\n\\t\\r]+/s', ' ', $string);
if (!preg_match('/,/', $string)) {
// The user didn't put any comma, we add them
$string = preg_replace('/ +/', ', ', $string);
}
$string = preg_replace('/[\\.\\,] *$/', "", $string);
// Clean strange characteres, there are feed reader (including feedburner) that are just too strict and complain loudly
$string = preg_replace('/[\\\\<>;"\'\\]\\[&]/', "", $string);
return htmlspecialchars(mb_substr(mb_strtolower($string, 'UTF-8'), 0, 80), ENT_COMPAT, 'UTF-8');
}
function check_chat()
{
global $db, $current_user, $now, $now_f, $globals, $events;
if (empty($_POST['chat'])) {
return;
}
$comment = trim(preg_replace("/[\r\n\t]/", ' ', $_REQUEST['chat']));
$comment = clear_whitespace($comment);
if ($current_user->user_id > 0 && strlen(strip_tags($comment)) > 2) {
// Sends a message back if the user has a very low karma
if ($globals['min_karma_for_sneaker'] > 0 && $current_user->user_karma < $globals['min_karma_for_sneaker']) {
$comment = _('no tienes suficiente karma para comentar en la fisgona') . ' (' . $current_user->user_karma . ' < ' . $globals['min_karma_for_sneaker'] . ')';
send_chat_warn($comment);
return;
}
$period = $now - 4;
$counter = intval($db->get_var("select count(*) from chats where chat_time > {$period} and chat_uid = {$current_user->user_id}"));
if ($counter > 0) {
$comment = _('tranquilo charlatán') . ' ;-)';
send_chat_warn($comment);
return;
}
if (check_ban_proxy()) {
send_chat_warn(_('proxy abierto no permitido'));
return;
}
if (preg_match('/^!/', $comment)) {
require_once 'sneaker-stats.php';
if (!($comment = check_stats($comment))) {
send_chat_warn(_('comando no reconocido'));
} else {
send_string($comment);
}
return;
} else {
$comment = clean_text_with_tags($comment);
$comment = preg_replace('/(^|[\\s\\.,¿#@])\\/me([\\s\\.,\\?]|$)/', "\$1<i>{$current_user->user_login}</i>\$2", $comment);
if (mb_strlen($comment) > 255) {
// Cut text longer that database, to avoid unclosed html tags
$comment = mb_substr($comment, 0, 1) . mb_substr($comment, -254, 254);
}
}
$from = $now - 1500;
$db->query("delete from chats where chat_time < {$from}");
if ((!empty($_REQUEST['admin']) || preg_match('/^#/', $comment)) && $current_user->admin) {
$room = 'admin';
$comment = preg_replace('/^# */', '', $comment);
} elseif (!empty($_REQUEST['friends']) || preg_match('/^@/', $comment)) {
$room = 'friends';
$comment = preg_replace('/^@ */', '', $comment);
} else {
$room = 'all';
}
if (strlen($comment) > 0) {
$comment = $db->escape(trim(normalize_smileys($comment)));
$db->query("insert into chats (chat_time, chat_uid, chat_room, chat_user, chat_text) values ({$now_f}, {$current_user->user_id}, '{$room}', '{$current_user->user_login}', '{$comment}')");
}
}
}
function normalize_content()
{
$this->content = clean_lines(clear_whitespace(normalize_smileys($this->content)));
return $this->content;
}
function clean_text($string, $wrap=0, $replace_nl=true, $maxlength=0) {
$string = stripslashes(trim($string));
$string = clear_whitespace($string);
$string = html_entity_decode($string, ENT_COMPAT, 'UTF-8');
// Replace two "-" by a single longer one, to avoid problems with xhtml comments
//$string = preg_replace('/--/', '–', $string);
if ($wrap>0) $string = wordwrap($string, $wrap, " ", 1);
if ($replace_nl) $string = preg_replace('/[\n\t\r]+/s', ' ', $string);
if ($maxlength > 0) $string = mb_substr($string, 0, $maxlength);
return @htmlspecialchars($string, ENT_COMPAT, 'UTF-8');
}