You have been banned from ' .
(!isset($ban['uri']) ?
'all boards':
'' . sprintf($config['board_abbreviation'], $ban['uri']) . ''
) .
' ' .
($ban['reason'] ? 'for the following reason:' : 'for an unspecified reason.') .
'
' .
($ban['reason'] ?
'
' .
$ban['reason'] .
'
'
: '') .
'
Your ban was filed on ' .
formatDate($ban['set']) .
', and ' .
($ban['expires'] ?
'expires ' . until($ban['expires']) . ' from now, which is on ' .
formatDate($ban['expires']) .
'
'
: 'will not expire.' ) .
'
Your IP address is ' . $_SERVER['REMOTE_ADDR'] . '.
';
// Show banned page and exit
die(Element('page.html', Array(
'config' => $config,
'title' => 'Banned',
'subtitle' => 'You are banned!',
'body' => $body
)
));
}
function checkBan($board = 0) {
global $config;
if(!isset($_SERVER['REMOTE_ADDR'])) {
// Server misconfiguration
return;
}
$query = prepare("SELECT `set`, `expires`, `reason`, `board`, `uri`, `bans`.`id` FROM `bans` LEFT JOIN `boards` ON `boards`.`id` = `board` WHERE (`board` IS NULL OR `uri` = :board) AND `ip` = :ip ORDER BY `expires` IS NULL DESC, `expires` DESC, `expires` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':board', $board);
$query->execute() or error(db_error($query));
if($query->rowCount() < 1 && $config['ban_range']) {
$query = prepare("SELECT `set`, `expires`, `reason`, `board`, `uri` FROM `bans` LEFT JOIN `boards` ON `boards`.`id` = `board` WHERE (`board` IS NULL OR `uri` = :board) AND :ip REGEXP CONCAT('^', REPLACE(REPLACE(`ip`, '.', '\\.'), '*', '[0-9]*'), '$') ORDER BY `expires` IS NULL DESC, `expires` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':board', $board);
$query->execute() or error(db_error($query));
}
if($ban = $query->fetch()) {
if($ban['expires'] && $ban['expires'] < time()) {
// Ban expired
$query = prepare("DELETE FROM `bans` WHERE `id` = :id LIMIT 1");
$query->bindValue(':id', $ban['id'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
return;
}
displayBan($ban);
}
}
function threadLocked($id) {
global $board;
$query = prepare(sprintf("SELECT `locked` FROM `posts_%s` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error());
if(!$post = $query->fetch()) {
// Non-existant, so it can't be locked...
return false;
}
return (bool) $post['locked'];
}
function threadExists($id) {
global $board;
$query = prepare(sprintf("SELECT 1 FROM `posts_%s` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error());
if($query->rowCount()) {
return true;
} else return false;
}
function post($post, $OP) {
global $pdo, $board;
$query = prepare(sprintf("INSERT INTO `posts_%s` VALUES ( NULL, :thread, :subject, :email, :name, :trip, :capcode, :body, :time, :time, :thumb, :thumbwidth, :thumbheight, :file, :width, :height, :filesize, :filename, :filehash, :password, :ip, :sticky, :locked, :embed)", $board['uri']));
// Basic stuff
$query->bindValue(':subject', $post['subject']);
$query->bindValue(':email', $post['email']);
$query->bindValue(':name', $post['name']);
$query->bindValue(':trip', $post['trip']);
$query->bindValue(':body', $post['body']);
$query->bindValue(':time', time(), PDO::PARAM_INT);
$query->bindValue(':password', $post['password']);
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
if($post['mod'] && $post['sticky']) {
$query->bindValue(':sticky', 1, PDO::PARAM_INT);
} else {
$query->bindValue(':sticky', 0, PDO::PARAM_INT);
}
if($post['mod'] && $post['locked']) {
$query->bindValue(':locked', 1, PDO::PARAM_INT);
} else {
$query->bindValue(':locked', 0, PDO::PARAM_INT);
}
if($post['mod'] && isset($post['capcode']) && $post['capcode']) {
$query->bindValue(':capcode', $post['capcode'], PDO::PARAM_INT);
} else {
$query->bindValue(':capcode', NULL, PDO::PARAM_NULL);
}
if(!empty($post['embed'])) {
$query->bindValue(':embed', $post['embed']);
} else {
$query->bindValue(':embed', NULL, PDO::PARAM_NULL);
}
if($OP) {
// No parent thread, image
$query->bindValue(':thread', null, PDO::PARAM_NULL);
} else {
$query->bindValue(':thread', $post['thread'], PDO::PARAM_INT);
}
if($post['has_file']) {
$query->bindValue(':thumb', $post['thumb']);
$query->bindValue(':thumbwidth', $post['thumbwidth'], PDO::PARAM_INT);
$query->bindValue(':thumbheight', $post['thumbheight'], PDO::PARAM_INT);
$query->bindValue(':file', $post['file']);
$query->bindValue(':width', $post['width'], PDO::PARAM_INT);
$query->bindValue(':height', $post['height'], PDO::PARAM_INT);
$query->bindValue(':filesize', $post['filesize'], PDO::PARAM_INT);
$query->bindValue(':filename', $post['filename']);
$query->bindValue(':filehash', $post['filehash']);
} else {
$query->bindValue(':thumb', null, PDO::PARAM_NULL);
$query->bindValue(':thumbwidth', null, PDO::PARAM_NULL);
$query->bindValue(':thumbheight', null, PDO::PARAM_NULL);
$query->bindValue(':file', null, PDO::PARAM_NULL);
$query->bindValue(':width', null, PDO::PARAM_NULL);
$query->bindValue(':height', null, PDO::PARAM_NULL);
$query->bindValue(':filesize', null, PDO::PARAM_NULL);
$query->bindValue(':filename', null, PDO::PARAM_NULL);
$query->bindValue(':filehash', null, PDO::PARAM_NULL);
}
$query->execute() or error(db_error($query));
return $pdo->lastInsertId();
}
function bumpThread($id) {
global $board;
$query = prepare(sprintf("UPDATE `posts_%s` SET `bump` = :time WHERE `id` = :id AND `thread` IS NULL", $board['uri']));
$query->bindValue(':time', time(), PDO::PARAM_INT);
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
}
// Remove file from post
function deleteFile($id, $remove_entirely_if_already=true) {
global $board, $config;
$query = prepare(sprintf("SELECT `thread`,`thumb`,`file` FROM `posts_%s` WHERE `id` = :id LIMIT 1", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if($query->rowCount() < 1) {
error($config['error']['invalidpost']);
}
$post = $query->fetch();
if($post['file'] == 'deleted' && !$post['thread'])
return; // Can't delete OP's image completely.
$query = prepare(sprintf("UPDATE `posts_%s` SET `thumb` = NULL, `thumbwidth` = NULL, `thumbheight` = NULL, `filewidth` = NULL, `fileheight` = NULL, `filesize` = NULL, `filename` = NULL, `filehash` = NULL, `file` = :file WHERE `id` = :id", $board['uri']));
if($post['file'] == 'deleted' && $remove_entirely_if_already) {
// Already deleted; remove file fully
$query->bindValue(':file', null, PDO::PARAM_NULL);
} else {
// Delete thumbnail
file_unlink($board['dir'] . $config['dir']['thumb'] . $post['thumb']);
// Delete file
file_unlink($board['dir'] . $config['dir']['img'] . $post['file']);
// Set file to 'deleted'
$query->bindValue(':file', 'deleted', PDO::PARAM_INT);
}
// Update database
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if($post['thread'])
buildThread($post['thread']);
}
// Delete a post (reply or thread)
function deletePost($id, $error_if_doesnt_exist=true) {
global $board, $config;
// Select post and replies (if thread) in one query
$query = prepare(sprintf("SELECT `id`,`thread`,`thumb`,`file` FROM `posts_%s` WHERE `id` = :id OR `thread` = :id", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if($query->rowCount() < 1) {
if($error_if_doesnt_exist)
error($config['error']['invalidpost']);
else return false;
}
// Delete posts and maybe replies
while($post = $query->fetch()) {
if(!$post['thread']) {
// Delete thread HTML page
file_unlink($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['id']));
} elseif($query->rowCount() == 1) {
// Rebuild thread
$rebuild = &$post['thread'];
}
if($post['thumb']) {
// Delete thumbnail
file_unlink($board['dir'] . $config['dir']['thumb'] . $post['thumb']);
}
if($post['file']) {
// Delete file
file_unlink($board['dir'] . $config['dir']['img'] . $post['file']);
}
}
$query = prepare(sprintf("DELETE FROM `posts_%s` WHERE `id` = :id OR `thread` = :id", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if(isset($rebuild)) {
buildThread($rebuild);
}
return true;
}
function clean() {
global $board, $config;
$offset = round($config['max_pages']*$config['threads_per_page']);
// I too wish there was an easier way of doing this...
$query = prepare(sprintf("SELECT `id` FROM `posts_%s` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT :offset, 9001", $board['uri']));
$query->bindValue(':offset', $offset, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
while($post = $query->fetch()) {
deletePost($post['id']);
}
}
function index($page, $mod=false) {
global $board, $config, $debug;
$body = '';
$offset = round($page*$config['threads_per_page']-$config['threads_per_page']);
$query = prepare(sprintf("SELECT * FROM `posts_%s` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT :offset,:threads_per_page", $board['uri']));
$query->bindValue(':offset', $offset, PDO::PARAM_INT);
$query->bindValue(':threads_per_page', $config['threads_per_page'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
if($query->rowcount() < 1 && $page > 1) return false;
while($th = $query->fetch()) {
if(!$mod && $config['cache']['enabled']) {
if($built = cache::get("thread_index_{$board['uri']}_{$th['id']}")) {
$body .= '
' . $built . '
';
continue;
}
}
$thread = new Thread($th['id'], $th['subject'], $th['email'], $th['name'], $th['trip'], $th['capcode'], $th['body'], $th['time'], $th['thumb'], $th['thumbwidth'], $th['thumbheight'], $th['file'], $th['filewidth'], $th['fileheight'], $th['filesize'], $th['filename'], $th['ip'], $th['sticky'], $th['locked'], $th['embed'], $mod ? '?/' : $config['root'], $mod);
$posts = prepare(sprintf("SELECT * FROM `posts_%s` WHERE `thread` = :id ORDER BY `id` DESC LIMIT :limit", $board['uri']));
$posts->bindValue(':id', $th['id']);
$posts->bindValue(':limit', ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview']), PDO::PARAM_INT);
$posts->execute() or error(db_error($posts));
$num_images = 0;
while($po = $posts->fetch()) {
if($po['file'])
$num_images++;
$thread->add(new Post($po['id'], $th['id'], $po['subject'], $po['email'], $po['name'], $po['trip'], $po['capcode'], $po['body'], $po['time'], $po['thumb'], $po['thumbwidth'], $po['thumbheight'], $po['file'], $po['filewidth'], $po['fileheight'], $po['filesize'], $po['filename'], $po['ip'], $po['embed'], $mod ? '?/' : $config['root'], $mod));
}
if($posts->rowCount() == ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview'])) {
$count = prepare(sprintf("SELECT COUNT(`id`) as `num` FROM `posts_%s` WHERE `thread` = :thread UNION ALL SELECT COUNT(`id`) FROM `posts_%s` WHERE `file` IS NOT NULL AND `thread` = :thread", $board['uri'], $board['uri']));
$count->bindValue(':thread', $th['id'], PDO::PARAM_INT);
$count->execute() or error(db_error($count));
$c = $count->fetch();
$thread->omitted = $c['num'] - ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview']);
$c = $count->fetch();
$thread->omitted_images = $c['num'] - $num_images;
}
$thread->posts = array_reverse($thread->posts);
$body .= '
' . $thread->build(true) . '
';
}
return Array(
'board'=>$board,
'body'=>$body,
'post_url' => $config['post_url'],
'config' => $config,
'boardlist' => createBoardlist($mod)
);
}
function getPageButtons($pages, $mod=false) {
global $config, $board;
$btn = Array();
$root = ($mod ? '?/' : $config['root']) . $board['dir'];
foreach($pages as $num => $page) {
if(isset($page['selected'])) {
// Previous button
if($num == 0) {
// There is no previous page.
$btn['prev'] = 'Previous';
} else {
$loc = ($mod ? '?/' . $board['uri'] . '/' : '') .
($num == 1 ?
$config['file_index']
:
sprintf($config['file_page'], $num)
);
$btn['prev'] = '';
}
if($num == count($pages) - 1) {
// There is no next page.
$btn['next'] = 'Next';
} else {
$loc = ($mod ? '?/' . $board['uri'] . '/' : '') . sprintf($config['file_page'], $num + 2);
$btn['next'] = '';
}
}
}
return $btn;
}
function getPages($mod=false) {
global $board, $config;
// Count threads
$query = query(sprintf("SELECT COUNT(`id`) as `num` FROM `posts_%s` WHERE `thread` IS NULL", $board['uri'])) or error(db_error());
$count = current($query->fetch());
$count = floor(($config['threads_per_page'] + $count - 1) / $config['threads_per_page']);
if($count < 1) $count = 1;
$pages = Array();
for($x=0;$x<$count && $x<$config['max_pages'];$x++) {
$pages[] = Array(
'num' => $x+1,
'link' => $x==0 ? ($mod ? '?/' : $config['root']) . $board['dir'] . $config['file_index'] : ($mod ? '?/' : $config['root']) . $board['dir'] . sprintf($config['file_page'], $x+1)
);
}
return $pages;
}
function makerobot($body) {
global $config;
$body = strtolower($body);
// Leave only letters
$body = preg_replace('/[^a-z]/i', '', $body);
// Remove repeating characters
if($config['robot_strip_repeating'])
$body = preg_replace('/(.)\\1+/', '$1', $body);
return sha1($body);
}
function checkRobot($body) {
$body = makerobot($body);
$query = prepare("SELECT 1 FROM `robot` WHERE `hash` = :hash LIMIT 1");
$query->bindValue(':hash', $body);
$query->execute() or error(db_error($query));
if($query->fetch()) {
return true;
} else {
// Insert new hash
$query = prepare("INSERT INTO `robot` VALUES (:hash)");
$query->bindValue(':hash', $body);
$query->execute() or error(db_error($query));
return false;
}
}
function numPosts($id) {
global $board;
$query = prepare(sprintf("SELECT COUNT(*) as `count` FROM `posts_%s` WHERE `thread` = :thread", $board['uri']));
$query->bindValue(':thread', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
$result = $query->fetch();
return $result['count'];
}
function muteTime() {
global $config;
// Find number of mutes in the past X hours
$query = prepare("SELECT COUNT(*) as `count` FROM `mutes` WHERE `time` >= :time AND `ip` = :ip");
$query->bindValue(':time', time()-($config['robot_mute_hour']*3600), PDO::PARAM_INT);
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
$result = $query->fetch();
if($result['count'] == 0) return 0;
return pow($config['robot_mute_multiplier'], $result['count']);
}
function mute() {
// Insert mute
$query = prepare("INSERT INTO `mutes` VALUES (:ip, :time)");
$query->bindValue(':time', time(), PDO::PARAM_INT);
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
return muteTime();
}
function checkMute() {
global $config, $debug;
if($config['cache']['enabled']) {
// Cached mute?
if(($mute = cache::get("mute_${_SERVER['REMOTE_ADDR']}")) && ($mutetime = cache::get("mutetime_${_SERVER['REMOTE_ADDR']}"))) {
error(sprintf($config['error']['youaremuted'], $mute['time'] + $mutetime - time()));
}
}
$mutetime = muteTime();
if($mutetime > 0) {
// Find last mute time
$query = prepare("SELECT `time` FROM `mutes` WHERE `ip` = :ip ORDER BY `time` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
if(!$mute = $query->fetch()) {
// What!? He's muted but he's not muted...
return;
}
if($mute['time'] + $mutetime > time()) {
if($config['cache']['enabled']) {
cache::set("mute_${_SERVER['REMOTE_ADDR']}", $mute, $mute['time'] + $mutetime - time());
cache::set("mutetime_${_SERVER['REMOTE_ADDR']}", $mutetime, $mute['time'] + $mutetime - time());
}
// Not expired yet
error(sprintf($config['error']['youaremuted'], $mute['time'] + $mutetime - time()));
} else {
// Already expired
return;
}
}
}
function createHiddenInputs() {
global $config;
$inputs = Array();
shuffle($config['spam']['hidden_input_names']);
$hidden_input_names_x = 0;
$input_count = rand($config['spam']['hidden_inputs_min'], $config['spam']['hidden_inputs_max']);
for($x=0;$x<$input_count;$x++) {
if(rand(0, 2) == 0 || $hidden_input_names_x < 0) {
// Use an obscure name
$name = substr(base64_encode(sha1(rand())), 0, rand(2, 40));
} else {
// Use a pre-defined confusing name
$name = $config['spam']['hidden_input_names'][$hidden_input_names_x++];
if($hidden_input_names_x >= count($config['spam']['hidden_input_names']))
$hidden_input_names_x = -1;
}
if(rand(0, 2) == 0) {
// Value must be null
$inputs[$name] = '';
} elseif(rand(0, 4) == 0) {
// Numeric value
$inputs[$name] = rand(0, 100);
} else {
// Obscure value
$inputs[$name] = substr(base64_encode(sha1(rand())), 0, rand(2, 40));
}
}
$content = '';
foreach($inputs as $name => $value) {
$display_type = rand(0, 8);
switch($display_type) {
case 0:
$content .= '';
break;
case 1:
$content .= '';
break;
case 2:
$content .= '';
break;
case 3:
$content .= '';
break;
case 4:
$content .= '';
break;
case 5:
$content .= '';
break;
case 6:
if(!empty($value))
$content .= '';
else
$content .= '';
break;
case 7:
if(!empty($value))
$content .= '';
else
$content .= '';
break;
case 8:
$content .= '';
break;
}
}
// Create a hash to validate it after
// This is the tricky part.
// First, sort the keys in alphabetical order (A-Z)
ksort($inputs);
$hash = '';
// Iterate through each input
foreach($inputs as $name => $value) {
$hash .= $name . '=' . $value;
}
// Add a salt to the hash
$hash .= $config['cookies']['salt'];
// Use SHA1 for the hash
$hash = sha1($hash);
// Append it to the HTML
$content .= '';
return $content;
}
function checkSpam() {
global $config;
if(!isset($_POST['hash']))
return true;
$hash = $_POST['hash'];
// Reconsturct the $inputs array
$inputs = Array();
foreach($_POST as $name => $value) {
if(in_array($name, $config['spam']['valid_inputs']))
continue;
$inputs[$name] = $value;
}
// Sort the inputs in alphabetical order (A-Z)
ksort($inputs);
$_hash = '';
// Iterate through each input
foreach($inputs as $name => $value) {
$_hash .= $name . '=' . $value;
}
// Add a salt to the hash
$_hash .= $config['cookies']['salt'];
// Use SHA1 for the hash
$_hash = sha1($_hash);
return $hash != $_hash;
}
function buildIndex() {
global $board, $config;
$pages = getPages();
$page = 1;
while($page <= $config['max_pages'] && $content = index($page)) {
$filename = $board['dir'] . ($page==1 ? $config['file_index'] : sprintf($config['file_page'], $page));
if(file_exists($filename)) $md5 = md5_file($filename);
$content['pages'] = $pages;
$content['pages'][$page-1]['selected'] = true;
$content['btn'] = getPageButtons($content['pages']);
$content['hidden_inputs'] = createHiddenInputs();
file_write($filename, Element('index.html', $content));
if(isset($md5) && $md5 == md5_file($filename)) {
break;
}
$page++;
}
if($page < $config['max_pages']) {
for(;$page<=$config['max_pages'];$page++) {
$filename = $page==1 ? $config['file_index'] : sprintf($config['file_page'], $page);
file_unlink($filename);
}
}
}
function buildJavascript() {
global $config;
$stylesheets = Array();
foreach($config['stylesheets'] as $name => $uri) {
$stylesheets[] = Array(
'name' => addslashes($name),
'uri' => addslashes((!empty($uri) ? $config['uri_stylesheets'] : '') . $uri));
}
file_write($config['file_script'], Element('main.js', Array(
'config' => $config,
'stylesheets' => $stylesheets
)));
}
function checkDNSBL() {
global $config;
if(isIPv6())
return; // No IPv6 support yet.
if(!isset($_SERVER['REMOTE_ADDR']))
return; // Fix your web server configuration
if(in_array($_SERVER['REMOTE_ADDR'], $config['dnsbl_exceptions']))
return;
$ip = ReverseIPOctets($_SERVER['REMOTE_ADDR']);
foreach($config['dnsbl'] as &$blacklist) {
$lookup = $ip . '.' . $blacklist;
$host = gethostbyname($lookup);
if($host != $lookup) {
// On NXDOMAIN (meaning it's not in the blacklist), gethostbyname() returns the host unchanged.
if(preg_match('/^127\.0\.0\./', $host) && $host != '127.0.0.10')
error(sprintf($config['error']['dnsbl'], $blacklist));
}
}
}
function isIPv6() {
return strstr($_SERVER['REMOTE_ADDR'], ':') !== false;
}
function ReverseIPOctets($ip) {
$ipoc = explode('.', $ip);
return $ipoc[3] . '.' . $ipoc[2] . '.' . $ipoc[1] . '.' . $ipoc[0];
}
function wordfilters(&$body) {
global $config;
foreach($config['wordfilters'] as $filter) {
if(isset($filter[2]) && $filter[2]) {
$body = preg_replace($filter[0], $filter[1], $body);
} else {
$body = str_replace($filter[0], $filter[1], $body);
}
}
}
function quote($body, $quote=true) {
$body = str_replace(' ', "\n", $body);
$body = strip_tags($body);
$body = preg_replace("/(^|\n)/", '$1>', $body);
return $body . "\n";
}
function markup(&$body) {
global $board, $config;
$body = utf8tohtml($body, true);
if($config['wiki_markup']) {
$body = preg_replace("/(^|\n)==(.+?)==\n?/m", "$2", $body);
$body = preg_replace("/'''(.+?)'''/m", "$1", $body);
$body = preg_replace("/''(.+?)''/m", "$1", $body);
$body = preg_replace("/\*\*(.+?)\*\*/m", "$1", $body);
}
if($config['markup_urls']) {
$body = preg_replace($config['url_regex'], "$0", $body, -1, $num_links);
if($num_links > $config['max_links'])
error($config['error']['toomanylinks']);
}
if($config['auto_unicode']) {
$body = str_replace('...', '…', $body);
$body = str_replace('<--', '←', $body);
$body = str_replace('-->', '→', $body);
// En and em- dashes are rendered exactly the same in
// most monospace fonts (they look the same in code
// editors).
$body = str_replace('---', '–', $body); // em dash
$body = str_replace('--', '—', $body); // en dash
}
// Cites
if(isset($board) && preg_match_all('/(^|\s)>>(\d+?)([\s,.?]|$)/', $body, $cites)) {
if(count($cites[0]) > $config['max_cites']) {
error($config['error']['toomanycites']);
}
for($index=0;$indexbindValue(':id', $cite);
$query->execute() or error(db_error($query));
if($post = $query->fetch()) {
$replacement = '' .
'>>' . $cite .
'';
$body = str_replace($cites[0][$index], $cites[1][$index] . $replacement . $cites[3][$index], $body);
}
}
}
// Cross-board linking
if(preg_match_all('/(^|\s)>>>\/(\w+?)\/(\d+)?([\s,.?]|$)/', $body, $cites)) {
if(count($cites[0]) > $config['max_cites']) {
error($config['error']['toomanycross']);
}
for($index=0;$indexbindValue(':id', $cite);
$query->execute() or error(db_error($query));
if($post = $query->fetch()) {
$replacement = '' .
'>>>/' . $_board . '/' . $cite .
'';
$body = str_replace($cites[0][$index], $cites[1][$index] . $replacement . $cites[4][$index], $body);
}
} else {
$replacement = '' .
'>>>/' . $_board . '/' .
'';
$body = str_replace($cites[0][$index], $cites[1][$index] . $replacement . $cites[4][$index], $body);
}
}
// Restore main board settings
openBoard($tmp_board);
}
}
$body = str_replace("\r", '', $body);
$body = preg_replace("/(^|\n)([\s]+)?(>)([^\n]+)?($|\n)/m", '$1$2$3$4$5', $body);
if($config['strip_superfluous_returns'])
$body = preg_replace('/\s+$/', '', $body);
$body = preg_replace("/\n/", ' ', $body);
}
function html_entity_decode_utf8($string) {
static $trans_tbl;
// replace numeric entities
$string = preg_replace('~&#x([0-9a-f]+);~ei', 'code2utf(hexdec("\\1"))', $string);
$string = preg_replace('~&#([0-9]+);~e', 'code2utf(\\1)', $string);
// replace literal entities
if (!isset($trans_tbl)) {
$trans_tbl = array();
foreach (get_html_translation_table(HTML_ENTITIES) as $val=>$key)
$trans_tbl[$key] = utf8_encode($val);
}
return strtr($string, $trans_tbl);
}
// Returns the utf string corresponding to the unicode value (from php.net, courtesy - romans@void.lv)
function code2utf($num) {
if ($num < 128)
return chr($num);
if ($num < 2048)
return chr(($num >> 6) + 192) . chr(($num & 63) + 128);
if ($num < 65536)
return chr(($num >> 12) + 224) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128);
if ($num < 2097152)
return chr(($num >> 18) + 240) . chr((($num >> 12) & 63) + 128) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128);
return '';
}
function utf8tohtml($utf8, $encodeTags=true) {
$result = '';
for ($i = 0; $i < strlen($utf8); $i++) {
$char = $utf8[$i];
$ascii = ord($char);
if ($ascii < 128) {
// one-byte character
$result .= ($encodeTags) ? htmlentities($char) : $char;
} else if ($ascii < 192) {
// non-utf8 character or not a start byte
} else if ($ascii < 224) {
// two-byte character
$result .= htmlentities(substr($utf8, $i, 2), ENT_QUOTES, 'UTF-8');
$i++;
} else if ($ascii < 240) {
// three-byte character
$ascii1 = ord($utf8[$i+1]);
$ascii2 = @ord($utf8[$i+2]);
$unicode = (15 & $ascii) * 4096 +
(63 & $ascii1) * 64 +
(63 & $ascii2);
$result .= "&#$unicode;";
$i += 2;
} else if ($ascii < 248) {
// four-byte character
$ascii1 = ord($utf8[$i+1]);
$ascii2 = ord($utf8[$i+2]);
$ascii3 = ord($utf8[$i+3]);
$unicode = (15 & $ascii) * 262144 +
(63 & $ascii1) * 4096 +
(63 & $ascii2) * 64 +
(63 & $ascii3);
$result .= "&#$unicode;";
$i += 3;
}
}
return $result;
}
function buildThread($id, $return=false, $mod=false) {
global $board, $config;
$id = round($id);
if($config['cache']['enabled'] && !$mod) {
// Clear cache
cache::delete("thread_index_{$board['uri']}_{$id}");
cache::delete("thread_{$board['uri']}_{$id}");
}
$query = prepare(sprintf("SELECT * FROM `posts_%s` WHERE (`thread` IS NULL AND `id` = :id) OR `thread` = :id ORDER BY `thread`,`id`", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
while($post = $query->fetch()) {
if(!isset($thread)) {
$thread = new Thread($post['id'], $post['subject'], $post['email'], $post['name'], $post['trip'], $post['capcode'], $post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'], $post['fileheight'], $post['filesize'], $post['filename'], $post['ip'], $post['sticky'], $post['locked'], $post['embed'], $mod ? '?/' : $config['root'], $mod);
} else {
$thread->add(new Post($post['id'], $thread->id, $post['subject'], $post['email'], $post['name'], $post['trip'], $post['capcode'], $post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'], $post['fileheight'], $post['filesize'], $post['filename'], $post['ip'], $post['embed'], $mod ? '?/' : $config['root'], $mod));
}
}
// Check if any posts were found
if(!isset($thread)) error($config['error']['nonexistant']);
$body = Element('thread.html', Array(
'board'=>$board,
'body'=>$thread->build(),
'config' => $config,
'id' => $id,
'mod' => $mod,
'boardlist' => createBoardlist($mod),
'hidden_inputs' => $content['hidden_inputs'] = createHiddenInputs(),
'return' => ($mod ? '?' . $board['url'] . $config['file_index'] : $config['root'] . $board['uri'] . '/' . $config['file_index'])
));
if($return)
return $body;
else
file_write($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $id), $body);
}
function rrmdir($dir) {
if (is_dir($dir)) {
$objects = scandir($dir);
foreach ($objects as $object) {
if ($object != "." && $object != "..") {
if (filetype($dir."/".$object) == "dir")
rrmdir($dir."/".$object);
else
file_unlink($dir."/".$object);
}
}
reset($objects);
rmdir($dir);
}
}
function poster_id($ip, $thread) {
global $config;
// Confusing, hard to brute-force, but simple algorithm
return substr(sha1(sha1($ip . $config['secure_trip_salt'] . $thread) . $config['secure_trip_salt']), 0, $config['poster_id_length']);
}
function generate_tripcode($name, $length = 10){
global $config;
$t = explode('#', $name);
$nameo = $t[0];
if ( isset ( $t[1] ) || isset ( $t[2] ) ) {
$trip = ( ( strlen ( $t[1] ) > 0 ) ? $t[1] : $t[2] );
if ( ( function_exists ( 'mb_convert_encoding' ) ) ) {
// multi-byte encoding is necessary to produce standard tripcode output, but only use it if available
mb_substitute_character('none');
$recoded_cap = mb_convert_encoding ( $trip, 'Shift_JIS', 'UTF-8' );
}
$trip = ( ( ! empty ( $recoded_cap ) ) ? $recoded_cap : $trip );
$salt = substr ( $trip.'H.', 1, 2 );
$salt = preg_replace ( '/[^\.-z]/', '.', $salt );
$salt = strtr ( $salt, ':;<=>?@[\]^_`', 'ABCDEFGabcdef' );
if ( isset ( $t[2] ) ) {
// secure
if(isset($config['custom_tripcode']["##{$trip}"]))
$trip = $config['custom_tripcode']["##{$trip}"];
else
$trip = '!!' . substr ( crypt ( $trip, $config['secure_trip_salt'] ), ( -1 * $length ) );
} else {
// insecure
if(isset($config['custom_tripcode']["#{$trip}"]))
$trip = $config['custom_tripcode']["#{$trip}"];
else
$trip = '!' . substr ( crypt ( $trip, $salt ), ( -1 * $length ) );
}
}
if ( isset ( $trip ) ) {
return array ( $nameo, $trip );
} else {
return array ( $nameo );
}
}
// Highest common factor
function hcf($a, $b){
$gcd = 1;
if ($a>$b) {
$a = $a+$b;
$b = $a-$b;
$a = $a-$b;
}
if ($b==(round($b/$a))*$a)
$gcd=$a;
else {
for($i=round($a/2);$i;$i--) {
if ($a == round($a/$i)*$i && $b == round($b/$i)*$i) {
$gcd = $i;
$i = false;
}
}
}
return $gcd;
}
function fraction($numerator, $denominator, $sep) {
$gcf = hcf($numerator, $denominator);
$numerator = $numerator / $gcf;
$denominator = $denominator / $gcf;
return "{$numerator}{$sep}{$denominator}";
}
function getPostByHash($hash) {
global $board;
$query = prepare(sprintf("SELECT `id`,`thread` FROM `posts_%s` WHERE `filehash` = :hash", $board['uri']));
$query->bindValue(':hash', $hash, PDO::PARAM_STR);
$query->execute() or error(db_error($query));
if($post = $query->fetch()) {
return $post;
}
return false;
}
function undoImage($post) {
if($post['has_file']) {
if(isset($post['thumb']))
file_unlink($post['file']);
if(isset($post['thumb']))
file_unlink($post['thumb']);
}
}
?>