leftypol/inc/functions.php
Savetheinternet 2ac8dc2c0f cleanup
2011-04-23 00:38:25 +10:00

1586 lines
52 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
if($_SERVER['SCRIPT_FILENAME'] == str_replace('\\', '/', __FILE__)) {
// You cannot request this file directly.
header('Location: ../', true, 302);
exit;
}
loadConfig();
function loadConfig() {
global $board, $config, $__ip;
require 'config.php';
if (file_exists('inc/instance-config.php')) {
require 'instance-config.php';
}
if(isset($board['dir']) && file_exists($board['dir'] . '/config.php')) {
require $board['dir'] . '/config.php';
}
if(!isset($config['url_stylesheet']))
$config['url_stylesheet'] = $config['root'] . 'style.css';
if(!isset($config['url_javascript']))
$config['url_javascript'] = $config['root'] . 'main.js';
if(!isset($config['post_url']))
$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['cookies']['path']))
$config['cookies']['path'] = $config['root'];
if(!isset($config['dir']['static']))
$config['dir']['static'] = $config['root'] . 'static/';
if(!isset($config['image_sticky']))
$config['image_sticky'] = $config['dir']['static'] . 'sticky.gif';
if(!isset($config['image_locked']))
$config['image_locked'] = $config['dir']['static'] . 'locked.gif';
if(!isset($config['image_deleted']))
$config['image_deleted'] = $config['dir']['static'] . 'deleted.png';
if(!isset($config['image_zip']))
$config['image_zip'] = $config['dir']['static'] . 'zip.png';
if(!isset($config['uri_thumb']))
$config['uri_thumb'] = $config['root'] . $board['dir'] . $config['dir']['thumb'];
else
$config['uri_thumb'] = sprintf($config['uri_thumb'], $board['dir']);
if(!isset($config['uri_img']))
$config['uri_img'] = $config['root'] . $board['dir'] . $config['dir']['img'];
else
$config['uri_img'] = sprintf($config['uri_img'], $board['dir']);
if(!isset($config['uri_stylesheets']))
$config['uri_stylesheets'] = $config['root'];
if($config['root_file']) {
chdir($config['root_file']);
}
if($config['verbose_errors']) {
error_reporting(E_ALL);
ini_set('display_errors', 1);
}
if($config['ipv6_ipv4'] && isset($_SERVER['REMOTE_ADDR'])) {
// Keep the original address to properly comply with other board configurations
if(!isset($__ip))
$__ip = $_SERVER['REMOTE_ADDR'];
// ::ffff:0.0.0.0
if(preg_match('/^\:\:(ffff\:)?(\d+\.\d+\.\d+\.\d+)$/', $__ip, $m))
$_SERVER['REMOTE_ADDR'] = $m[2];
}
if($config['memcached']['enabled'])
memcached_open();
}
// Memcached
function memcached_open() {
global $memcached, $config;
if($memcached) return;
$memcached = new Memcached();
$memcached->addServers($config['memcached']['servers']);
}
function loadThemeConfig($_theme) {
global $config;
if(!file_exists($config['dir']['homepage'] . '/' . $_theme . '/info.php'))
return false;
// Load theme information into $theme
include $config['dir']['homepage'] . '/' . $_theme . '/info.php';
return $theme;
}
function rebuildTheme($action) {
global $config, $_theme;
$query = query("SELECT `value` AS `theme` FROM `theme_settings` WHERE `name` = 'theme'") or error(db_error());
if($theme = $query->fetch()) {
// A theme is installed
$_theme = $theme['theme'];
$theme = loadThemeConfig($_theme);
if(file_exists($config['dir']['homepage'] . '/' . $_theme . '/theme.php')) {
include $config['dir']['homepage'] . '/' . $_theme . '/theme.php';
$theme['build_function']($action, themeSettings());
}
}
}
function themeSettings() {
$query = query("SELECT * FROM `theme_settings`") or error(db_error());
$settings = Array();
while($s = $query->fetch()) {
$settings[$s['name']] = $s['value'];
}
return $settings;
}
function sprintf3($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) {
$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 $boards;
}
function checkFlood($post) {
global $board, $config;
$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);
$query->execute() or error(db_error($query));
return (bool)$query->fetch();
}
function until($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($difference < 60*60*24*365) {
return ($num = round($difference/(60*60*24*7))) . ' week' . ($num != 1 ? 's' : '');
} else {
return ($num = round($difference/(60*60*24*365))) . ' year' . ($num != 1 ? 's' : '');
}
}
function ago($timestamp) {
$difference = time() - $timestamp;
if($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($difference < 60*60*24*365) {
return ($num = round($difference/(60*60*24*7))) . ' week' . ($num != 1 ? 's' : '');
} else {
return ($num = round($difference/(60*60*24*365))) . ' year' . ($num != 1 ? 's' : '');
}
}
function formatDate($timestamp) {
return date('jS F, Y', $timestamp);
}
function displayBan($ban) {
global $config;
$body = '<div class="ban">
<h2>You are banned! ;_;</h2>
<p>You have been banned ' .
($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">' .
($ban['expires'] ?
'expires <span id="countdown">' . until($ban['expires']) . '</span> from now, which is on <strong>' .
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*24*365))) + " year" + (num == 1 ? "" : "s");
}
}
var countdown = document.getElementById("countdown");
updateExpiresTime();
var int = setInterval(updateExpiresTime, 1000);
</script>'
: '<em>will not expire</em>.' ) .
'</span></p>
<p>Your IP address is <strong>' . $_SERVER['REMOTE_ADDR'] . '</strong>.</p>
</div>';
// Show banned page and exit
die(Element('page.html', Array(
'config' => $config,
'title' => 'Banned',
'subtitle' => 'You are banned!',
'body' => $body
)
));
}
function checkBan() {
global $config, $memcached;
if(!isset($_SERVER['REMOTE_ADDR'])) {
// Server misconfiguration
return;
}
if($config['memcached']['enabled']) {
// Cached ban?
if($ban = $memcached->get("ban_${_SERVER['REMOTE_ADDR']}")) {
displayBan($ban);
}
}
$query = prepare("SELECT * FROM `bans` WHERE `ip` = :ip ORDER BY `expires` IS NULL DESC, `expires` DESC, `expires` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
if($query->rowCount() < 1 && $config['ban_range']) {
$query = prepare("SELECT * FROM `bans` WHERE :ip REGEXP CONCAT('^', REPLACE(REPLACE(`ip`, '.', '\\.'), '*', '[0-9]*'), '$') ORDER BY `expires` IS NULL DESC, `expires` DESC LIMIT 1");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
}
if($ban = $query->fetch()) {
if($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));
if($config['ban_range']) {
$query = prepare("DELETE FROM `bans` WHERE :ip REGEXP CONCAT('^', REPLACE(REPLACE(`ip`, '.', '\\.'), '*', '[0-9a-f]*'), '$') 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;
}
if($config['memcached']['enabled'])
$memcached->set("ban_${_SERVER['REMOTE_ADDR']}", $ban, $ban['expires']);
displayBan($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)", $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'] && $post['capcode']) {
$query->bindValue(':capcode', $post['capcode'], PDO::PARAM_INT);
} else {
$query->bindValue(':capcode', NULL, PDO::PARAM_NULL);
}
if($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['file']);
} 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 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']);
}
$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'] . $post['thumb']);
// Delete file
@unlink($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));
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
@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
@unlink($board['dir'] . $config['dir']['thumb'] . $post['thumb']);
}
if($post['file']) {
// Delete 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;
$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 ?,?", $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['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'], $mod ? '?/' : $config['root'], $mod);
$posts = prepare(sprintf("SELECT `id`, `subject`, `email`, `name`, `trip`, `capcode`, `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']);
$posts->bindValue(2, ($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'], $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 .= '<div id="thread_' . $thread->id . '">' . $thread->build(true) . '</div>';
}
return Array(
'board'=>$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)
);
$btn['prev'] = '<form action="' . ($mod ? '' : $root . $loc) . '" method="get">' .
($mod ?
'<input type="hidden" name="status" value="301" />' .
'<input type="hidden" name="r" value="' . htmlentities($loc) . '" />'
:'') .
'<input type="submit" value="Previous" /></form>';
}
if($num == count($pages) - 1) {
// There is no next page.
$btn['next'] = 'Next';
} else {
$loc = ($mod ? '?/' . $board['uri'] . '/' : '') . sprintf($config['file_page'], $num + 2);
$btn['next'] = '<form action="' . ($mod ? '' : $root . $loc) . '" method="get">' .
($mod ?
'<input type="hidden" name="status" value="301" />' .
'<input type="hidden" name="r" value="' . htmlentities($loc) . '" />'
:'') .
'<input type="submit" value="Next" /></form>';
}
}
}
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) {
/* 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 ; */
$body = makerobot($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;
$mutetime = muteTime();
if($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;
}
}
}
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:
$content .= '<input type="hidden" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars($value) . '" />';
break;
case 1:
$content .= '<input style="display:none" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars($value) . '" />';
break;
case 2:
$content .= '<input type="hidden" value="' . htmlspecialchars($value) . '" name="' . htmlspecialchars($name) . '" />';
break;
case 3:
$content .= '<input type="hidden" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars($value) . '" />';
break;
case 4:
$content .= '<span style="display:none"><input type="text" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars($value) . '" /></span>';
break;
case 5:
$content .= '<div style="display:none"><input type="text" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars($value) . '" /></div>';
break;
case 6:
if(!empty($value))
$content .= '<textarea style="display:none" name="' . htmlspecialchars($name) . '">' . htmlspecialchars($value) . '</textarea>';
else
$content .= '<input type="hidden" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars($value) . '" />';
break;
case 7:
if(!empty($value))
$content .= '<textarea name="' . htmlspecialchars($name) . '" style="display:none">' . htmlspecialchars($value) . '</textarea>';
else
$content .= '<input type="hidden" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars($value) . '" />';
break;
case 8:
$content .= '<div style="display:none"><textarea name="' . htmlspecialchars($name) . '" style="display:none">' . htmlspecialchars($value) . '</textarea></div>';
break;
}
}
// Create a hash to validate it after
// This is the tricky part.
// First, sort the keys in alphabetical order (A-Z)
ksort($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 .= '<input type="hidden" name="hash" value="' . $hash . '" />';
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']);
$content['hidden_inputs'] = createHiddenInputs();
@file_put_contents($filename, Element('index.html', $content)) or error("Couldn't write to file.");
if(isset($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'], $page);
@unlink($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'] : '') . $uri));
}
file_put_contents($config['file_script'], Element('main.js', Array(
'config' => $config,
'stylesheets' => $stylesheets
)));
}
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 isIPv6() {
return strstr($_SERVER['REMOTE_ADDR'], ':') !== false;
}
function isTor() {
if(isIPv6())
return false; // Tor does not support IPv6
return gethostbyname(
ReverseIPOctets($_SERVER['REMOTE_ADDR']) . '.' . $_SERVER['SERVER_PORT'] . '.' . ReverseIPOctets($_SERVER['SERVER_ADDR']) . '.ip-port.exitlist.torproject.org'
) == '127.0.0.2';
}
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('<br/>', "\n", $body);
$body = strip_tags($body);
$body = preg_replace("/(^|\n)/", '$1&gt;', $body);
return $body . "\n";
}
function markup(&$body) {
global $board, $config;
$body = utf8tohtml($body, true);
if($config['wiki_markup']) {
$body = preg_replace("/(^|\n)==(.+?)==\n?/m", "<span class=\"heading\">$2</span>", $body);
$body = preg_replace("/'''(.+?)'''/m", "<strong>$1</strong>", $body);
$body = preg_replace("/''(.+?)''/m", "<em>$1</em>", $body);
$body = preg_replace("/\*\*(.+?)\*\*/m", "<span class=\"spoiler\">$1</span>", $body);
}
if($config['markup_urls']) {
$body = preg_replace($config['url_regex'], "<a target=\"_blank\" rel=\"nofollow\" href=\"$0\">$0</a>", $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)&gt;&gt;(\d+?)(\s|$)/', $body, $cites)) {
if(count($cites[0]) > $config['max_cites']) {
error($config['error']['toomanycites']);
}
for($index=0;$index<count($cites[0]);$index++) {
$cite = $cites[2][$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>';
$body = str_replace($cites[0][$index], $cites[1][$index] . $replacement . $cites[3][$index], $body);
}
}
}
// Cross-board linking
if(preg_match_all('/(^|\s)&gt;&gt;&gt;\/(\w+?)\/(\d+)?(\s|$)/', $body, $cites)) {
if(count($cites[0]) > $config['max_cites']) {
error($config['error']['toomanycross']);
}
for($index=0;$index<count($cites[0]);$index++) {
$_board = $cites[2][$index];
$cite = @$cites[3][$index];
// Temporarily store board information because it will be overwritten
$tmp_board = $board['uri'];
// Check if the board exists, and load settings
if(openBoard($_board)) {
if($cite) {
$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;&gt;/' . $_board . '/' . $cite .
'</a>';
$body = str_replace($cites[0][$index], $cites[1][$index] . $replacement . $cites[4][$index], $body);
}
} else {
$replacement = '<a href="' .
$config['root'] . $board['dir'] . $config['file_index'] . '">' .
'&gt;&gt;&gt;/' . $_board . '/' .
'</a>';
$body = str_replace($cites[0][$index], $cites[1][$index] . $replacement . $cites[4][$index], $body);
}
}
// Restore main board settings
openBoard($tmp_board);
}
}
$body = str_replace("\r", '', $body);
$body = preg_replace("/(^|\n)([\s]+)?(&gt;)([^\n]+)?($|\n)/m", '$1$2<span class="quote">$3$4</span>$5', $body);
if($config['strip_superfluous_returns'])
$body = preg_replace('/\s+$/', '', $body);
$body = preg_replace("/\n/", '<br/>', $body);
}
function html_entity_decode_utf8($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);
$query = prepare(sprintf("SELECT `id`,`thread`,`subject`,`name`,`email`,`trip`,`capcode`,`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 = $query->fetch()) {
if(!isset($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'], $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'], $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 $body;
else
@file_put_contents($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $id), $body) or error("Couldn't write to file.");
}
function rrmdir($dir) {
if (is_dir($dir)) {
$objects = scandir($dir);
foreach ($objects as $object) {
if ($object != "." && $object != "..") {
if (filetype($dir."/".$object) == "dir")
rrmdir($dir."/".$object);
else
unlink($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;
$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, ':;<=>?@[\]^_`', 'ABCDEFGabcdef' );
if ( isset ( $t[2] ) ) {
// secure
$trip = '!!' . substr ( crypt ( $trip, $config['secure_trip_salt'] ), ( -1 * $length ) );
} 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}";
}
/*********************************************/
/* Fonction: imagecreatefrombmp */
/* Author: DHKold */
/* Contact: admin@dhkold.com */
/* 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;
$PALETTE = array();
if ($BMP['colors'] < 16777216)
{
$PALETTE = unpack('V'.$BMP['colors'], fread($f1,$BMP['colors']*4));
}
$IMG = fread($f1,$BMP['size_bitmap']);
$VIDE = chr(0);
$res = imagecreatetruecolor($BMP['width'],$BMP['height']);
$P = 0;
$Y = $BMP['height']-1;
while ($Y >= 0)
{
$X=0;
while ($X < $BMP['width'])
{
if ($BMP['bits_per_pixel'] == 24)
$COLOR = unpack("V",substr($IMG,$P,3).$VIDE);
elseif ($BMP['bits_per_pixel'] == 16)
{
$COLOR = unpack("n",substr($IMG,$P,2));
$COLOR[1] = $PALETTE[$COLOR[1]+1];
}
elseif ($BMP['bits_per_pixel'] == 8)
{
$COLOR = unpack("n",$VIDE.substr($IMG,$P,1));
$COLOR[1] = $PALETTE[$COLOR[1]+1];
}
elseif ($BMP['bits_per_pixel'] == 4)
{
$COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1));
if (($P*2)%2 == 0) $COLOR[1] = ($COLOR[1] >> 4) ; else $COLOR[1] = ($COLOR[1] & 0x0F);
$COLOR[1] = $PALETTE[$COLOR[1]+1];
}
elseif ($BMP['bits_per_pixel'] == 1)
{
$COLOR = unpack("n",$VIDE.substr($IMG,floor($P),1));
if (($P*8)%8 == 0) $COLOR[1] = $COLOR[1] >>7;
elseif (($P*8)%8 == 1) $COLOR[1] = ($COLOR[1] & 0x40)>>6;
elseif (($P*8)%8 == 2) $COLOR[1] = ($COLOR[1] & 0x20)>>5;
elseif (($P*8)%8 == 3) $COLOR[1] = ($COLOR[1] & 0x10)>>4;
elseif (($P*8)%8 == 4) $COLOR[1] = ($COLOR[1] & 0x8)>>3;
elseif (($P*8)%8 == 5) $COLOR[1] = ($COLOR[1] & 0x4)>>2;
elseif (($P*8)%8 == 6) $COLOR[1] = ($COLOR[1] & 0x2)>>1;
elseif (($P*8)%8 == 7) $COLOR[1] = ($COLOR[1] & 0x1);
$COLOR[1] = $PALETTE[$COLOR[1]+1];
}
else
return FALSE;
imagesetpixel($res,$X,$Y,$COLOR[1]);
$X++;
$P += $BMP['bytes_per_pixel'];
}
$Y--;
$P+=$BMP['decal'];
}
fclose($f1);
return $res;
}
function getPostByHash($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($post['has_file'])
@unlink($post['file']);
@unlink($post['thumb']);
}
function createimage($type, $source_pic) {
global $config;
$image = false;
switch($type) {
case 'jpg':
case 'jpeg':
if(!$image = @imagecreatefromjpeg($source_pic)) {
unlink($source_pic);
error($config['error']['invalidimg']);
}
break;
case 'png':
if(!$image = @imagecreatefrompng($source_pic)) {
unlink($source_pic);
error($config['error']['invalidimg']);
}
break;
case 'gif':
if(!$image = @imagecreatefromgif($source_pic)) {
unlink($source_pic);
error($config['error']['invalidimg']);
}
break;
case 'bmp':
if(!$image = @imagecreatefrombmp($source_pic)) {
unlink($source_pic);
error($config['error']['invalidimg']);
}
break;
default:
error($config['error']['unknownext']);
}
return $image;
}
function resize($src, $width, $height, $destination_pic, $max_width, $max_height, $ext) {
global $config;
$return = Array();
$x_ratio = $max_width / $width;
$y_ratio = $max_height / $height;
if(($width <= $max_width) && ($height <= $max_height)) {
$tn_width = $width;
$tn_height = $height;
} elseif (($x_ratio * $height) < $max_height) {
$tn_height = ceil($x_ratio * $height);
$tn_width = $max_width;
} else {
$tn_width = ceil($y_ratio * $width);
$tn_height = $max_height;
}
$return['width'] = $tn_width;
$return['height'] = $tn_height;
$tmp = imagecreatetruecolor($tn_width, $tn_height);
if($ext == 'png' || $ext == 'gif') {
imagecolortransparent($tmp, imagecolorallocatealpha($tmp, 0, 0, 0, 0));
imagesavealpha($tmp, true);
}
if($ext == 'png')
imagealphablending($tmp, false);
imagecopyresampled($tmp, $src, 0, 0, 0, 0, $tn_width, $tn_height, $width, $height);
switch($ext) {
case 'jpg':
case 'jpeg':
imagejpeg($tmp, $destination_pic);
break;
case 'png':
imagepng($tmp, $destination_pic, $config['thumb_quality']);
break;
case 'gif':
imagegif($tmp, $destination_pic);
break;
case 'bmp':
imagebmp($tmp, $destination_pic);
break;
default:
error($config['error']['unknownext']);
}
imagedestroy($src);
imagedestroy($tmp);
return $return;
}
function imagebmp(&$img, $filename='') {
$widthOrig = imagesx($img);
$widthFloor = ((floor($widthOrig/16))*16);
$widthCeil = ((ceil($widthOrig/16))*16);
$height = imagesy($img);
$size = ($widthCeil*$height*3)+54;
// Bitmap File Header
$result = 'BM'; // header (2b)
$result .= int_to_dword($size); // size of file (4b)
$result .= int_to_dword(0); // reserved (4b)
$result .= int_to_dword(54); // byte location in the file which is first byte of IMAGE (4b)
// Bitmap Info Header
$result .= int_to_dword(40); // Size of BITMAPINFOHEADER (4b)
$result .= int_to_dword($widthCeil); // width of bitmap (4b)
$result .= int_to_dword($height); // height of bitmap (4b)
$result .= int_to_word(1); // biPlanes = 1 (2b)
$result .= int_to_word(24); // biBitCount = {1 (mono) or 4 (16 clr ) or 8 (256 clr) or 24 (16 Mil)} (2b
$result .= int_to_dword(0); // RLE COMPRESSION (4b)
$result .= int_to_dword(0); // width x height (4b)
$result .= int_to_dword(0); // biXPelsPerMeter (4b)
$result .= int_to_dword(0); // biYPelsPerMeter (4b)
$result .= int_to_dword(0); // Number of palettes used (4b)
$result .= int_to_dword(0); // Number of important colour (4b)
// is faster than chr()
$arrChr = array();
for($i=0; $i<256; $i++){
$arrChr[$i] = chr($i);
}
// creates image data
$bgfillcolor = array('red'=>0, 'green'=>0, 'blue'=>0);
// bottom to top - left to right - attention blue green red !!!
$y=$height-1;
for ($y2=0; $y2<$height; $y2++) {
for ($x=0; $x<$widthFloor; ) {
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
$rgb = imagecolorsforindex($img, imagecolorat($img, $x++, $y));
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
}
for ($x=$widthFloor; $x<$widthCeil; $x++) {
$rgb = ($x<$widthOrig) ? imagecolorsforindex($img, imagecolorat($img, $x, $y)) : $bgfillcolor;
$result .= $arrChr[$rgb['blue']].$arrChr[$rgb['green']].$arrChr[$rgb['red']];
}
$y--;
}
// see imagegif
if($filename == '') {
echo $result;
} else {
$file = fopen($filename, 'wb');
fwrite($file, $result);
fclose($file);
}
}
// imagebmp helpers
function int_to_dword($n) {
return chr($n & 255).chr(($n >> 8) & 255).chr(($n >> 16) & 255).chr(($n >> 24) & 255);
}
function int_to_word($n) {
return chr($n & 255).chr(($n >> 8) & 255);
}
?>