$boards, 'b' => isset($_GET['board']) ? $_GET['board'] : false, 'search' => isset($_GET['search']) ? str_replace('"', '"', utf8tohtml($_GET['search'])) : false));
if(isset($_GET['search']) && !empty($_GET['search']) && isset($_GET['board']) && in_array($_GET['board'], $boards)) {
$phrase = $_GET['search'];
$_body = '';
$query = prepare("SELECT COUNT(*) FROM ``search_queries`` WHERE `ip` = :ip AND `time` > :time");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':time', time() - ($queries_per_minutes[1] * 60));
$query->execute() or error(db_error($query));
if($query->fetchColumn() > $queries_per_minutes[0])
error(_('Wait a while before searching again, please.'));
$query = prepare("SELECT COUNT(*) FROM ``search_queries`` WHERE `time` > :time");
$query->bindValue(':time', time() - ($queries_per_minutes_all[1] * 60));
$query->execute() or error(db_error($query));
if($query->fetchColumn() > $queries_per_minutes_all[0])
error(_('Wait a while before searching again, please.'));
$query = prepare("INSERT INTO ``search_queries`` VALUES (:ip, :time, :query)");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':time', time());
$query->bindValue(':query', $phrase);
$query->execute() or error(db_error($query));
_syslog(LOG_NOTICE, 'Searched /' . $_GET['board'] . '/ for "' . $phrase . '"');
// Cleanup search queries table
$query = prepare("DELETE FROM ``search_queries`` WHERE `time` <= :time");
$query->bindValue(':time', time() - ($queries_per_minutes_all[1] * 60));
$query->execute() or error(db_error($query));
openBoard($_GET['board']);
$filters = Array();
function search_filters($m) {
global $filters;
$name = $m[2];
$value = isset($m[4]) ? $m[4] : $m[3];
if(!in_array($name, array('id', 'thread', 'subject', 'name'))) {
// unknown filter
return $m[0];
}
$filters[$name] = $value;
return $m[1];
}
$phrase = trim(preg_replace_callback('/(^|\s)(\w+):("(.*)?"|[^\s]*)/', 'search_filters', $phrase));
if(!preg_match('/[^*^\s]/', $phrase) && empty($filters)) {
_syslog(LOG_WARNING, 'Query too broad.');
$body .= '(Query too broad.)
';
echo Element('page.html', Array(
'config'=>$config,
'title'=>'Search',
'body'=>$body,
));
exit;
}
// Escape escape character
$phrase = str_replace('!', '!!', $phrase);
// Remove SQL wildcard
$phrase = str_replace('%', '!%', $phrase);
// Use asterisk as wildcard to suit convention
$phrase = str_replace('*', '%', $phrase);
// Remove `, it's used by table prefix magic
$phrase = str_replace('`', '!`', $phrase);
$like = '';
$match = Array();
// Find exact phrases
if(preg_match_all('/"(.+?)"/', $phrase, $m)) {
foreach($m[1] as &$quote) {
$phrase = str_replace("\"{$quote}\"", '', $phrase);
$match[] = $pdo->quote($quote);
}
}
$words = explode(' ', $phrase);
foreach($words as &$word) {
if(empty($word))
continue;
$match[] = $pdo->quote($word);
}
$like = '';
foreach($match as &$phrase) {
if(!empty($like))
$like .= ' AND ';
$phrase = preg_replace('/^\'(.+)\'$/', '\'%$1%\'', $phrase);
$like .= '`body` LIKE ' . $phrase . ' ESCAPE \'!\'';
}
foreach($filters as $name => $value) {
if(!empty($like))
$like .= ' AND ';
$like .= '`' . $name . '` = '. $pdo->quote($value);
}
$like = str_replace('%', '%%', $like);
$query = prepare(sprintf("SELECT * FROM ``posts_%s`` WHERE " . $like . " ORDER BY `time` DESC LIMIT :limit", $board['uri']));
$query->bindValue(':limit', $search_limit, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if($query->rowCount() == $search_limit) {
_syslog(LOG_WARNING, 'Query too broad.');
$body .= '('._('Query too broad.').')
';
echo Element('page.html', Array(
'config'=>$config,
'title'=>'Search',
'body'=>$body,
));
exit;
}
$temp = '';
while($post = $query->fetch()) {
if(!$post['thread']) {
$po = new Thread($post);
} else {
$po = new Post($post);
}
$temp .= $po->build(true) . '
';
}
if(!empty($temp))
$_body .= '';
$body .= '
';
if(!empty($_body))
$body .= $_body;
else
$body .= '('._('No results.').')
';
}
echo Element('page.html', Array(
'config'=>$config,
'title'=>_('Search'),
'body'=>'' . $body
));