public function match(array $post, $condition, $match)
{
$condition = strtolower($condition);
switch ($condition) {
case 'custom':
if (!is_callable($match)) {
error('Custom condition for filter is not callable!');
}
return $match($post);
case 'flood-match':
if (!is_array($match)) {
error('Filter condition "flood-match" must be an array.');
}
// Filter out "flood" table entries which do not match this filter.
$flood_check_matched = array();
foreach ($this->flood_check as $flood_post) {
foreach ($match as $flood_match_arg) {
switch ($flood_match_arg) {
case 'ip':
if ($flood_post['ip'] != $_SERVER['REMOTE_ADDR']) {
continue 3;
}
break;
case 'body':
if ($flood_post['posthash'] != make_comment_hex($post['body_nomarkup'])) {
continue 3;
}
break;
case 'file':
if (!isset($post['filehash'])) {
return false;
}
if ($flood_post['filehash'] != $post['filehash']) {
continue 3;
}
break;
case 'board':
if ($flood_post['board'] != $post['board']) {
continue 3;
}
break;
case 'isreply':
if ($flood_post['isreply'] == $post['op']) {
continue 3;
}
break;
default:
error('Invalid filter flood condition: ' . $flood_match_arg);
}
}
$flood_check_matched[] = $flood_post;
}
$this->flood_check = $flood_check_matched;
return !empty($this->flood_check);
case 'flood-time':
foreach ($this->flood_check as $flood_post) {
if (time() - $flood_post['time'] <= $match) {
return true;
}
}
return false;
case 'flood-count':
$count = 0;
foreach ($this->flood_check as $flood_post) {
if (time() - $flood_post['time'] <= $this->condition['flood-time']) {
++$count;
}
}
return $count >= $match;
case 'name':
return preg_match($match, $post['name']);
case 'trip':
return $match === $post['trip'];
case 'email':
return preg_match($match, $post['email']);
case 'subject':
return preg_match($match, $post['subject']);
case 'body':
return preg_match($match, $post['body_nomarkup']);
case 'filehash':
return $match === $post['filehash'];
case 'filename':
if (!$post['has_file']) {
return false;
}
return preg_match($match, $post['filename']);
case 'extension':
if (!$post['has_file']) {
return false;
}
return preg_match($match, $post['body']);
case 'ip':
return preg_match($match, $_SERVER['REMOTE_ADDR']);
case 'op':
return $post['op'] == $match;
case 'has_file':
return $post['has_file'] == $match;
default:
error('Unknown filter condition: ' . $condition);
}
}
function insertFloodPost(array $post)
{
global $board;
$query = prepare("INSERT INTO ``flood`` VALUES (NULL, :ip, :board, :time, :posthash, :filehash, :isreply)");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':board', $board['uri']);
$query->bindValue(':time', time());
$query->bindValue(':posthash', make_comment_hex($post['body_nomarkup']));
if ($post['has_file']) {
$query->bindValue(':filehash', $post['filehash']);
} else {
$query->bindValue(':filehash', null, PDO::PARAM_NULL);
}
$query->bindValue(':isreply', !$post['op'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
}
function mod_debug_recent_posts()
{
global $pdo, $config;
$limit = 500;
$boards = listBoards();
// Manually build an SQL query
$query = 'SELECT * FROM (';
foreach ($boards as $board) {
$query .= sprintf('SELECT *, %s AS `board` FROM ``posts_%s`` UNION ALL ', $pdo->quote($board['uri']), $board['uri']);
}
// Remove the last "UNION ALL" seperator and complete the query
$query = preg_replace('/UNION ALL $/', ') AS `all_posts` ORDER BY `time` DESC LIMIT ' . $limit, $query);
$query = query($query) or error(db_error());
$posts = $query->fetchAll(PDO::FETCH_ASSOC);
// Fetch recent posts from flood prevention cache
$query = query("SELECT * FROM ``flood`` ORDER BY `time` DESC") or error(db_error());
$flood_posts = $query->fetchAll(PDO::FETCH_ASSOC);
foreach ($posts as &$post) {
$post['snippet'] = pm_snippet($post['body']);
foreach ($flood_posts as $flood_post) {
if ($flood_post['time'] == $post['time'] && $flood_post['posthash'] == make_comment_hex($post['body_nomarkup']) && $flood_post['filehash'] == $post['filehash']) {
$post['in_flood_table'] = true;
}
}
}
mod_page(_('Debug: Recent posts'), 'mod/debug/recent_posts.html', array('posts' => $posts, 'flood_posts' => $flood_posts));
}