Source code of Leftypol imageboard
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1074 lines
37 KiB

12 years ago
<?php
loadConfig();
function loadConfig() {
global $board, $config;
require 'config.php';
if (file_exists('inc/instance-config.php')) {
require 'instance-config.php';
}
if(isset($board['dir']) && file_exists($board['dir'] . '/config.php')) {
require $board['dir'] . '/config.php';
}
if(!isset($config['post_url']))
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$config['post_url'] = $config['root'] . $config['file_post'];
if(!isset($config['url_match']))
$config['url_match'] = '/^' .
(preg_match($config['url_regex'], $config['root']) ? '' :
(@$_SERVER['HTTPS']?'https':'http') .
':\/\/'.$_SERVER['HTTP_HOST']) .
preg_quote($config['root'], '/') .
'(' .
str_replace('%s', '\w{1,8}', preg_quote($config['board_path'], '/')) .
'|' .
str_replace('%s', '\w{1,8}', preg_quote($config['board_path'], '/')) .
preg_quote($config['file_index'], '/') .
'|' .
str_replace('%s', '\w{1,8}', preg_quote($config['board_path'], '/')) .
str_replace('%d', '\d+', preg_quote($config['file_page'], '/')) .
'|' .
preg_quote($config['file_mod'], '/') .
'\?\/.+' .
')$/i';
if(!isset($config['dir']['static']))
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$config['dir']['static'] = $config['root'] . 'static/';
if(!isset($config['image_sticky']))
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$config['image_sticky'] = $config['dir']['static'] . 'sticky.gif';
if(!isset($config['image_locked']))
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$config['image_locked'] = $config['dir']['static'] . 'locked.gif';
if(!isset($config['image_deleted']))
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$config['image_deleted'] = $config['dir']['static'] . 'deleted.png';
if(!isset($config['image_zip']))
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$config['image_zip'] = $config['dir']['static'] . 'zip.png';
if($config['root_file']) {
chdir($config['root_file']);
}
if($config['verbose_errors']) {
error_reporting(E_ALL);
ini_set('display_errors', 1);
}
}
function sprintf3($str, $vars, $delim = '%') {
$replaces = array();
foreach($vars as $k => $v) {
$replaces[$delim . $k . $delim] = $v;
}
return str_replace(array_keys($replaces),
array_values($replaces), $str);
}
function setupBoard($array) {
global $board, $config;
$board = Array(
'id' => $array['id'],
'uri' => $array['uri'],
'name' => $array['title'],
'title' => $array['subtitle']);
$board['dir'] = sprintf($config['board_path'], $board['uri']);
$board['url'] = sprintf($config['board_abbreviation'], $board['uri']);
loadConfig();
if(!file_exists($board['dir'])) mkdir($board['dir'], 0777);
if(!file_exists($board['dir'] . $config['dir']['img'])) @mkdir($board['dir'] . $config['dir']['img'], 0777) or error("Couldn't create " . $config['dir']['img'] . ". Check permissions.", true);
if(!file_exists($board['dir'] . $config['dir']['thumb'])) @mkdir($board['dir'] . $config['dir']['thumb'], 0777) or error("Couldn't create " . $config['dir']['thumb'] . ". Check permissions.", true);
if(!file_exists($board['dir'] . $config['dir']['res'])) @mkdir($board['dir'] . $config['dir']['res'], 0777) or error("Couldn't create " . $config['dir']['res'] . ". Check permissions.", true);
}
function openBoard($uri) {
sql_open();
$query = prepare("SELECT * FROM `boards` WHERE `uri` = :uri LIMIT 1");
$query->bindValue(':uri', $uri);
$query->execute() or error(db_error($query));
if($board = $query->fetch()) {
setupBoard($board);
return true;
} else return false;
}
function listBoards() {
$query = query("SELECT * FROM `boards` ORDER BY `uri`") or error(db_error());
$boards = $query->fetchAll();
return $boards;
}
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function checkFlood($post) {
global $board, $config;
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$query = prepare(sprintf("SELECT * FROM `posts_%s` WHERE (`ip` = :ip AND `time` >= :floodtime) OR (`ip` = :ip AND `body` = :body AND `time` >= :floodsameiptime) OR (`body` = :body AND `time` >= :floodsametime) LIMIT 1", $board['uri']));
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':body', $post['body'], PDO::PARAM_INT);
$query->bindValue(':floodtime', time()-$config['flood_time'], PDO::PARAM_INT);
$query->bindValue(':floodsameiptime', time()-$config['flood_time_ip'], PDO::PARAM_INT);
$query->bindValue(':floodsametime', time()-$config['flood_time_same'], PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
return (bool)$query->fetch();
}
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function until($timestamp) {
$difference = $timestamp - time();
if($difference < 60) {
return $difference . ' second' . ($difference != 1 ? 's' : '');
} elseif($difference < 60*60) {
return ($num = round($difference/(60))) . ' minute' . ($num != 1 ? 's' : '');
} elseif($difference < 60*60*24) {
return ($num = round($difference/(60*60))) . ' hour' . ($num != 1 ? 's' : '');
} elseif($difference < 60*60*24*7) {
return ($num = round($difference/(60*60*24))) . ' day' . ($num != 1 ? 's' : '');
} elseif($difference < 60*60*24*365) {
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return ($num = round($difference/(60*60*24*7))) . ' week' . ($num != 1 ? 's' : '');
} else {
return ($num = round($difference/(60*60*24*365))) . ' year' . ($num != 1 ? 's' : '');
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}
}
function formatDate($timestamp) {
return date('jS F, Y', $timestamp);
}
function checkBan() {
global $config;
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if(!isset($_SERVER['REMOTE_ADDR'])) {
// Server misconfiguration
return;
}
$query = prepare("SELECT * FROM `bans` WHERE `ip` = :ip LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
if($ban = $query->fetch()) {
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if($ban['expires'] && $ban['expires'] < time()) {
// Ban expired
$query = prepare("DELETE FROM `bans` WHERE `ip` = :ip AND `expires` = :expires LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':expires', $ban['expires'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
return;
}
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$body = '<div class="ban">
<h2>You are banned! ;_;</h2>
<p>You have been banned ' .
($ban['reason'] ? 'for the following reason:' : 'for an unspecified reason.') .
'</p>' .
($ban['reason'] ?
'<p class="reason">' .
$ban['reason'] .
'</p>'
: '') .
'<p>Your ban was filed on <strong>' .
formatDate($ban['set']) .
'</strong>, and <span id="expires">' .
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($ban['expires'] ?
'expires <span id="countdown">' . until($ban['expires']) . '</span> from now, which is on <strong>' .
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formatDate($ban['expires']) .
'</strong>
<script>
// return date("jS F, Y", $timestamp);
var secondsLeft = ' . ($ban['expires'] - time()) . '
var end = new Date().getTime() + secondsLeft*1000;
function updateExpiresTime() {
countdown.firstChild.nodeValue = until(end);
}
function until(end) {
var now = new Date().getTime();
var diff = Math.round((end - now) / 1000); // in seconds
if (diff < 0) {
document.getElementById("expires").innerHTML = "has since expired. Refresh the page to continue.";
//location.reload(true);
clearInterval(int);
return "";
} else if (diff < 60) {
return diff + " second" + (diff == 1 ? "" : "s");
} else if (diff < 60*60) {
return (num = Math.round(diff/(60))) + " minute" + (num == 1 ? "" : "s");
} else if (diff < 60*60*24) {
return (num = Math.round(diff/(60*60))) + " hour" + (num == 1 ? "" : "s");
} else if (diff < 60*60*24*7) {
return (num = Math.round(diff/(60*60*24))) + " day" + (num == 1 ? "" : "s");
} else if (diff < 60*60*24*365) {
return (num = Math.round(diff/(60*60*24*7))) + " week" + (num == 1 ? "" : "s");
} else {
return (num = Math.round(diff/(60*60*365))) + " year" + (num == 1 ? "" : "s");
}
}
var countdown = document.getElementById("countdown");
updateExpiresTime();
var int = setInterval(updateExpiresTime, 1000);
</script>'
: '<em>will not expire</em>.' ) .
'</span></p>
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<p>Your IP address is <strong>' . $_SERVER['REMOTE_ADDR'] . '</strong>.</p>
</div>';
// Show banned page and exit
die(Element('page.html', Array(
'index' => $config['root'],
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'title' => 'Banned',
'subtitle' => 'You are banned!',
'body' => $body
)
));
}
}
function threadLocked($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, $board;
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$query = prepare(sprintf("INSERT INTO `posts_%s` VALUES ( NULL, :thread, :subject, :email, :name, :trip, :body, :time, :time, :thumb, :thumbwidth, :thumbheight, :file, :width, :height, :filesize, :filename, :filehash, :password, :ip, :sticky, :locked)", $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 {
$query->bindValue(':sticky', 0, PDO::PARAM_INT);
}
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if($post['mod'] && $post['locked']) {
$query->bindValue(':locked', 1, PDO::PARAM_INT);
} else {
$query->bindValue(':locked', 0, PDO::PARAM_INT);
}
if($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));
}
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// Remove file from post
function deleteFile($id, $remove_entirely_if_already=true) {
global $board, $config;
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$query = prepare(sprintf("SELECT `thread`,`thumb`,`file` FROM `posts_%s` WHERE `id` = :id AND `thread` IS NOT NULL 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']);
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}
$post = $query->fetch();
$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 OR `thread` = :id", $board['uri']));
if($post['file'] == 'deleted' && $remove_entirely_if_already) {
// Already deleted; remove file fully
$query->bindValue(':file', null, PDO::PARAM_NULL);
} else {
// Delete thumbnail
@unlink($board['dir'] . $config['dir']['thumb'] . $post['thumb']);
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// Delete file
@unlink($board['dir'] . $config['dir']['img'] . $post['file']);
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// 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));
buildThread($post['thread']);
}
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// Delete a post (reply or thread)
function deletePost($id, $error_if_doesnt_exist=true) {
global $board, $config;
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// 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($config['error']['invalidpost']);
else return false;
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}
// Delete posts and maybe replies
while($post = $query->fetch()) {
if(!$post['thread']) {
// Delete thread HTML page
@unlink($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['id']));
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} elseif($query->rowCount() == 1) {
// Rebuild thread
$rebuild = $post['thread'];
}
if($post['thumb']) {
// Delete thumbnail
@unlink($board['dir'] . $config['dir']['thumb'] . $post['thumb']);
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}
if($post['file']) {
// Delete file
@unlink($board['dir'] . $config['dir']['img'] . $post['file']);
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}
}
$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;
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}
function clean() {
global $board, $config;
$offset = round($config['max_pages']*$config['threads_per_page']);
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// 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, $config;
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$body = '';
$offset = round($page*$config['threads_per_page']-$config['threads_per_page']);
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sql_open();
$query = prepare(sprintf("SELECT * FROM `posts_%s` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT ?,?", $board['uri']));
$query->bindValue(1, $offset, PDO::PARAM_INT);
$query->bindValue(2, $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()) {
$thread = new Thread($th['id'], $th['subject'], $th['email'], $th['name'], $th['trip'], $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'], $mod ? '?/' : $config['root'], $mod);
$posts = prepare(sprintf("SELECT `id`, `subject`, `email`, `name`, `trip`, `body`, `time`, `thumb`, `thumbwidth`, `thumbheight`, `file`, `filewidth`, `fileheight`, `filesize`, `filename`,`ip` FROM `posts_%s` WHERE `thread` = ? ORDER BY `id` DESC LIMIT ?", $board['uri']));
$posts->bindValue(1, $th['id']);
$posts->bindValue(2, $config['threads_preview'], PDO::PARAM_INT);
$posts->execute() or error(db_error($posts));
if($posts->rowCount() == $config['threads_preview']) {
$count = prepare(sprintf("SELECT COUNT(`id`) as `num` FROM `posts_%s` WHERE `thread` = ?", $board['uri']));
$count->bindValue(1, $th['id']);
$count->execute() or error(db_error($count));
$count = $count->fetch();
$omitted = $count['num'] - $config['threads_preview'];
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$thread->omitted = $omitted;
unset($count);
unset($omitted);
}
while($po = $posts->fetch()) {
$thread->add(new Post($po['id'], $th['id'], $po['subject'], $po['email'], $po['name'], $po['trip'], $po['body'], $po['time'], $po['thumb'], $po['thumbwidth'], $po['thumbheight'], $po['file'], $po['filewidth'], $po['fileheight'], $po['filesize'], $po['filename'], $po['ip'], $mod ? '?/' : $config['root'], $mod));
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}
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$thread->posts = array_reverse($thread->posts);
$body .= $thread->build(true);
}
return Array('button'=>$config['button_newtopic'], 'board'=>$board, 'body'=>$body, 'post_url' => $config['post_url'], 'index' => $config['root']);
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}
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function getPages($mod=false) {
global $board, $config;
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// 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) / $config['threads_per_page']);
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$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));
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}
return $pages;
}
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function makerobot($body) {
global $config;
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$body = strtolower($body);
// Leave only letters
$body = preg_replace('/[^a-z]/i', '', $body);
// Remove repeating characters
if($config['robot_strip_repeating'])
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$body = preg_replace('/(.)\\1+/', '$1', $body);
return sha1($body);
}
function checkRobot($body) {
/* CREATE TABLE `robot` (
`hash` VARCHAR( 40 ) NOT NULL COMMENT 'SHA1'
) ENGINE = INNODB; */
/* CREATE TABLE `mutes` (
`ip` VARCHAR( 15 ) NOT NULL ,
`time` INT NOT NULL
) ENGINE = MYISAM ; */
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$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));
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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()-(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() {
$mutetime = muteTime();
if($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'] + $mutetime > time()) {
// Not expired yet
error(sprintf($config['error']['youaremuted'], $mute['time'] + $mutetime - time()));
} else {
// Already expired
return;
}
}
}
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function buildIndex() {
global $board, $config;
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sql_open();
$pages = getPages();
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$page = 1;
while($page <= $config['max_pages'] && $content = index($page)) {
$filename = $board['dir'] . ($page==1 ? $config['file_index'] : sprintf($config['file_page'], $page));
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if(file_exists($filename)) $md5 = md5_file($filename);
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$content['pages'] = $pages;
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@file_put_contents($filename, Element('index.html', $content)) or error("Couldn't write to file.");
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if(isset($md5) && $md5 == md5_file($filename)) {
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break;
}
$page++;
}
if($page < $config['max_pages']) {
for(;$page<=$config['max_pages'];$page++) {
$filename = $page==1 ? $config['file_index'] : sprintf($config['file_page'], $page);
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@unlink($filename);
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}
}
}
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function isDNSBL() {
$dns_black_lists = file('./dnsbl.txt', FILE_IGNORE_NEW_LINES);
// Reverse the IP
$rev_ip = implode(array_reverse(explode('.', $_SERVER['REMOTE_ADDR'])), '.');
$response = array();
foreach ($dns_black_lists as $dns_black_list) {
$response = (gethostbynamel($rev_ip . '.' . $dns_black_list));
if(!empty($response))
return true;
}
return false;
}
function isTor() {
return gethostbyname(
ReverseIPOctets($_SERVER['REMOTE_ADDR']) . '.' . $_SERVER['SERVER_PORT'] . '.' . ReverseIPOctets($_SERVER['SERVER_ADDR']) . '.ip-port.exitlist.torproject.org'
) == '127.0.0.2';
}
function ReverseIPOctets($inputip) {
$ipoc = explode('.', $inputip);
return $ipoc[3] . '.' . $ipoc[2] . '.' . $ipoc[1] . '.' . $ipoc[0];
}
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function markup(&$body) {
global $board, $config;
$body = utf8tohtml($body, true);
if($config['markup_urls']) {
$body = preg_replace($config['url_regex'], "<a href=\"$0\">$0</a>", $body, -1, $num_links);
if($num_links > $config['max_links'])
error($config['error']['toomanylinks']);
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}
if($config['auto_unicode']) {
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$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('--', '–', $body); // en dash
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}
// Cites
if(preg_match_all('/(^|\s)&gt;&gt;([0-9]+?)(\s|$)/', $body, $cites)) {
$previousPosition = 0;
$temp = '';
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sql_open();
for($index=0;$index<count($cites[0]);$index++) {
$cite = $cites[2][$index];
$whitespace = Array(
strlen($cites[1][$index]),
strlen($cites[3][$index]),
);
$query = prepare(sprintf("SELECT `thread`,`id` FROM `posts_%s` WHERE `id` = :id LIMIT 1", $board['uri']));
$query->bindValue(':id', $cite);
$query->execute() or error(db_error($query));
if($post = $query->fetch()) {
$replacement = '<a onclick="highlightReply(\''.$cite.'\');" href="' . $config['root'] . $board['dir'] . $config['dir']['res'] . ($post['thread']?$post['thread']:$post['id']) . '.html#' . $cite . '">&gt;&gt;' . $cite . '</a>';
} else {
$replacement = "&gt;&gt;{$cite}";
}
// Find the position of the cite
$position = strpos($body, $cites[0][$index]);
// Replace the found string with "xxxx[...]". (allows duplicate tags). Keeps whitespace.
$body = substr_replace($body, str_repeat('x', strlen($cites[0][$index]) - $whitespace[0] - $whitespace[1]), $position + $whitespace[0], strlen($cites[0][$index]) - $whitespace[0] - $whitespace[1]);
$temp .= substr($body, $previousPosition, $position-$previousPosition) . $cites[1][$index] . $replacement . $cites[3][$index];
$previousPosition = $position+strlen($cites[0][$index]);
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}
// The rest
$temp .= substr($body, $previousPosition);
$body = $temp;
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}
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$body = str_replace("\r", '', $body);
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$body = preg_replace("/(^|\n)([\s]+)?(&gt;)([^\n]+)?($|\n)/m", '$1$2<span class="quote">$3$4</span>$5', $body);
if($config['wiki_markup']) {
$body = preg_replace("/(^|\n)==(.+?)==\n?/m", "<h2>$2</h2>", $body);
$body = preg_replace("/'''(.+?)'''/m", "<strong>$1</strong>", $body);
$body = preg_replace("/''(.+?)''/m", "<em>$1</em>", $body);
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$body = preg_replace("/\*\*(.+?)\*\*/m", "<span class=\"spoiler\">$1</span>", $body);
}
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$body = preg_replace("/\n/", '<br/>', $body);
}
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function utf8tohtml($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, $config;
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$id = round($id);
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$query = prepare(sprintf("SELECT `id`,`thread`,`subject`,`name`,`email`,`trip`,`body`,`time`,`thumb`,`thumbwidth`,`thumbheight`,`file`,`filewidth`,`fileheight`,`filesize`,`filename`,`ip`,`sticky`,`locked` FROM `posts_%s` WHERE (`thread` IS NULL AND `id` = :id) OR `thread` = :id ORDER BY `thread`,`time`", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
while($post = $query->fetch()) {
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if(!isset($thread)) {
$thread = new Thread($post['id'], $post['subject'], $post['email'], $post['name'], $post['trip'], $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'], $mod ? '?/' : $config['root'], $mod);
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} else {
$thread->add(new Post($post['id'], $thread->id, $post['subject'], $post['email'], $post['name'], $post['trip'], $post['body'], $post['time'], $post['thumb'], $post['thumbwidth'], $post['thumbheight'], $post['file'], $post['filewidth'], $post['fileheight'], $post['filesize'], $post['filename'], $post['ip'], $mod ? '?/' : $config['root'], $mod));
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}
}
// Check if any posts were found
if(!isset($thread)) error($config['error']['nonexistant']);
$body = Element('thread.html', Array(
'button'=>$config['button_reply'],
'board'=>$board,
'body'=>$thread->build(),
'post_url' => $config['post_url'],
'index' => $config['root'],
'id' => $id,
'mod' => $mod,
'return' => ($mod ? '?' . $board['url'] . $config['file_index'] : $config['root'] . $board['uri'] . '/' . $config['file_index'])
));
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if($return)
return $body;
else
@file_put_contents($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $id), $body) or error("Couldn't write to file.");
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}
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function generate_tripcode ( $name, $length = 10 ) {
global $config;
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$name = stripslashes ( $name );
$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' ) ) ) {
# 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, ':;<=>[email protected][\]^_`', 'ABCDEFGabcdef' );
if ( isset ( $t[2] ) ) {
// secure
$trip = '!!' . substr ( crypt ( $trip, $config['secure_trip_salt'] ), ( -1 * $length ) );
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} else {
// insecure
$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}";
}
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/*********************************************/
/* Fonction: imagecreatefrombmp */
/* Author: DHKold */
/* Contact: [email protected] */
/* Date: The 15th of June 2005 */
/* Version: 2.0B */
/*********************************************/
function imagecreatefrombmp($filename) {
if (! $f1 = fopen($filename,"rb")) return FALSE;
$FILE = unpack("vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread($f1,14));
if ($FILE['file_type'] != 19778) return FALSE;
$BMP = unpack('Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel'.
'/Vcompression/Vsize_bitmap/Vhoriz_resolution'.
'/Vvert_resolution/Vcolors_used/Vcolors_important', fread($f1,40));
$BMP['colors'] = pow(2,$BMP['bits_per_pixel']);
if ($BMP['size_bitmap'] == 0) $BMP['size_bitmap'] = $FILE['file_size'] - $FILE['bitmap_offset'];
$BMP['bytes_per_pixel'] = $BMP['bits_per_pixel']/8;
$BMP['bytes_per_pixel2'] = ceil($BMP['bytes_per_pixel']);
$BMP['decal'] = ($BMP['width']*$BMP['bytes_per_pixel']/4);
$BMP['decal'] -= floor($BMP['width']*$BMP['bytes_per_pixel']/4);
$BMP['decal'] = 4-(4*$BMP['decal']);
if ($BMP['decal'] == 4) $BMP['decal'] = 0;
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$PALETTE = array();
if ($BMP['colors'] < 16777216)
{
$PALETTE = unpack('V'.$BMP['colors'], fread($f1,$BMP['colors']*4));
}
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$IMG = fread($f1,$BMP['