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vichan/inc/functions.php

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PHP
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2010-11-02 12:54:50 +01:00
<?php
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/*
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* Copyright (c) 2010-2013 Tinyboard Development Group
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*/
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if (realpath($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) {
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// You cannot request this file directly.
exit;
}
define('TINYBOARD', null);
$microtime_start = microtime(true);
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require_once 'inc/display.php';
require_once 'inc/template.php';
require_once 'inc/database.php';
require_once 'inc/events.php';
require_once 'inc/api.php';
require_once 'inc/bans.php';
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require_once 'inc/lib/gettext/gettext.inc';
// the user is not currently logged in as a moderator
$mod = false;
register_shutdown_function('fatal_error_handler');
mb_internal_encoding('UTF-8');
loadConfig();
function loadConfig() {
global $board, $config, $__ip, $debug, $__version, $microtime_start;
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$error = function_exists('error') ? 'error' : 'basic_error_function_because_the_other_isnt_loaded_yet';
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reset_events();
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if (!isset($_SERVER['REMOTE_ADDR']))
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$_SERVER['REMOTE_ADDR'] = '0.0.0.0';
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$arrays = array(
'db',
'api',
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'cache',
'cookies',
'error',
'dir',
'mod',
'spam',
'filters',
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'wordfilters',
'custom_capcode',
'custom_tripcode',
'dnsbl',
'dnsbl_exceptions',
'remote',
'allowed_ext',
'allowed_ext_files',
'file_icons',
'footer',
'stylesheets',
'additional_javascript',
'markup',
'custom_pages',
'dashboard_links'
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);
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$config = array();
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foreach ($arrays as $key) {
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$config[$key] = array();
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}
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require 'inc/config.php';
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if (!file_exists('inc/instance-config.php'))
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$error('Tinyboard is not configured! Create inc/instance-config.php.');
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require 'inc/instance-config.php';
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if (isset($board['dir']) && file_exists($board['dir'] . '/config.php')) {
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require $board['dir'] . '/config.php';
}
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if (!isset($__version))
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$__version = file_exists('.installed') ? trim(file_get_contents('.installed')) : false;
$config['version'] = $__version;
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date_default_timezone_set($config['timezone']);
if (!isset($config['global_message']))
$config['global_message'] = false;
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if (!isset($config['post_url']))
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$config['post_url'] = $config['root'] . $config['file_post'];
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if (!isset($config['referer_match']))
if (isset($_SERVER['HTTP_HOST'])) {
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$config['referer_match'] = '/^' .
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(preg_match('@^https?://@', $config['root']) ? '' :
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'https?:\/\/' . $_SERVER['HTTP_HOST']) .
preg_quote($config['root'], '/') .
'(' .
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str_replace('%s', $config['board_regex'], preg_quote($config['board_path'], '/')) .
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'(' .
preg_quote($config['file_index'], '/') . '|' .
str_replace('%d', '\d+', preg_quote($config['file_page'])) .
')?' .
'|' .
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str_replace('%s', $config['board_regex'], preg_quote($config['board_path'], '/')) .
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preg_quote($config['dir']['res'], '/') .
'(' .
str_replace('%d', '\d+', preg_quote($config['file_page'], '/')) . '|' .
str_replace('%d', '\d+', preg_quote($config['file_page50'], '/')) .
')' .
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'|' .
preg_quote($config['file_mod'], '/') . '\?\/.+' .
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')([#?](.+)?)?$/ui';
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} else {
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// CLI mode
$config['referer_match'] = '//';
}
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if (!isset($config['cookies']['path']))
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$config['cookies']['path'] = &$config['root'];
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if (!isset($config['dir']['static']))
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$config['dir']['static'] = $config['root'] . 'static/';
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if (!isset($config['image_sticky']))
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$config['image_sticky'] = $config['dir']['static'] . 'sticky.gif';
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if (!isset($config['image_locked']))
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$config['image_locked'] = $config['dir']['static'] . 'locked.gif';
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if (!isset($config['image_bumplocked']))
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$config['image_bumplocked'] = $config['dir']['static'] . 'sage.gif';
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if (!isset($config['image_deleted']))
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$config['image_deleted'] = $config['dir']['static'] . 'deleted.png';
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if (!isset($config['uri_thumb']))
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$config['uri_thumb'] = $config['root'] . $board['dir'] . $config['dir']['thumb'];
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elseif (isset($board['dir']))
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$config['uri_thumb'] = sprintf($config['uri_thumb'], $board['dir']);
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if (!isset($config['uri_img']))
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$config['uri_img'] = $config['root'] . $board['dir'] . $config['dir']['img'];
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elseif (isset($board['dir']))
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$config['uri_img'] = sprintf($config['uri_img'], $board['dir']);
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if (!isset($config['uri_stylesheets']))
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$config['uri_stylesheets'] = $config['root'] . 'stylesheets/';
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if (!isset($config['url_stylesheet']))
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$config['url_stylesheet'] = $config['uri_stylesheets'] . 'style.css';
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if (!isset($config['url_javascript']))
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$config['url_javascript'] = $config['root'] . $config['file_script'];
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if (!isset($config['additional_javascript_url']))
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$config['additional_javascript_url'] = $config['root'];
if (!isset($config['uri_flags']))
$config['uri_flags'] = $config['root'] . 'static/flags/%s.png';
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if ($config['root_file']) {
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chdir($config['root_file']);
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}
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if ($config['verbose_errors']) {
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set_error_handler('verbose_error_handler');
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error_reporting(E_ALL);
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ini_set('display_errors', true);
ini_set('html_errors', false);
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}
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// Keep the original address to properly comply with other board configurations
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if (!isset($__ip))
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$__ip = $_SERVER['REMOTE_ADDR'];
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// ::ffff:0.0.0.0
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if (preg_match('/^\:\:(ffff\:)?(\d+\.\d+\.\d+\.\d+)$/', $__ip, $m))
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$_SERVER['REMOTE_ADDR'] = $m[2];
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if ($config['locale'] != 'en') {
if (_setlocale(LC_ALL, $config['locale']) === false) {
$error('The specified locale (' . $config['locale'] . ') does not exist on your platform!');
}
if (extension_loaded('gettext')) {
bindtextdomain('tinyboard', './inc/locale');
bind_textdomain_codeset('tinyboard', 'UTF-8');
textdomain('tinyboard');
} else {
_bindtextdomain('tinyboard', './inc/locale');
_bind_textdomain_codeset('tinyboard', 'UTF-8');
_textdomain('tinyboard');
}
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}
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if ($config['syslog'])
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openlog('tinyboard', LOG_ODELAY, LOG_SYSLOG); // open a connection to sysem logger
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if ($config['recaptcha'])
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require_once 'inc/lib/recaptcha/recaptchalib.php';
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if ($config['cache']['enabled'])
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require_once 'inc/cache.php';
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event('load-config');
if ($config['debug']) {
if (!isset($debug)) {
$debug = array(
'sql' => array(),
'exec' => array(),
'purge' => array(),
'cached' => array(),
'write' => array(),
'time' => array(
'db_queries' => 0,
'exec' => 0,
),
'start' => $microtime_start,
'start_debug' => microtime(true)
);
$debug['start'] = $microtime_start;
}
}
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}
function basic_error_function_because_the_other_isnt_loaded_yet($message, $priority = true) {
global $config;
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if ($config['syslog'] && $priority !== false) {
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// Use LOG_NOTICE instead of LOG_ERR or LOG_WARNING because most error message are not significant.
_syslog($priority !== true ? $priority : LOG_NOTICE, $message);
}
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// Yes, this is horrible.
die('<!DOCTYPE html><html><head><title>Error</title>' .
'<style type="text/css">' .
'body{text-align:center;font-family:arial, helvetica, sans-serif;font-size:10pt;}' .
'p{padding:0;margin:20px 0;}' .
'p.c{font-size:11px;}' .
'</style></head>' .
'<body><h2>Error</h2>' . $message . '<hr/>' .
'<p class="c">This alternative error page is being displayed because the other couldn\'t be found or hasn\'t loaded yet.</p></body></html>');
}
function fatal_error_handler() {
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if ($error = error_get_last()) {
if ($error['type'] == E_ERROR) {
if (function_exists('error')) {
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error('Caught fatal error: ' . $error['message'] . ' in <strong>' . $error['file'] . '</strong> on line ' . $error['line'], LOG_ERR);
} else {
basic_error_function_because_the_other_isnt_loaded_yet('Caught fatal error: ' . $error['message'] . ' in ' . $error['file'] . ' on line ' . $error['line'], LOG_ERR);
}
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}
}
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}
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function _syslog($priority, $message) {
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if (isset($_SERVER['REMOTE_ADDR'], $_SERVER['REQUEST_METHOD'], $_SERVER['REQUEST_URI'])) {
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// CGI
syslog($priority, $message . ' - client: ' . $_SERVER['REMOTE_ADDR'] . ', request: "' . $_SERVER['REQUEST_METHOD'] . ' ' . $_SERVER['REQUEST_URI'] . '"');
} else {
syslog($priority, $message);
}
}
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function verbose_error_handler($errno, $errstr, $errfile, $errline) {
if (error_reporting() == 0)
return false; // Looks like this warning was suppressed by the @ operator.
error(utf8tohtml($errstr), true, array(
'file' => $errfile . ':' . $errline,
'errno' => $errno,
'error' => $errstr,
'backtrace' => array_slice(debug_backtrace(), 1)
));
}
function define_groups() {
global $config;
foreach ($config['mod']['groups'] as $group_value => $group_name)
defined($group_name) or define($group_name, $group_value, true);
ksort($config['mod']['groups']);
}
function create_antibot($board, $thread = null) {
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require_once dirname(__FILE__) . '/anti-bot.php';
return _create_antibot($board, $thread);
}
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function rebuildThemes($action, $board = false) {
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// List themes
$query = query("SELECT `theme` FROM ``theme_settings`` WHERE `name` IS NULL AND `value` IS NULL") or error(db_error());
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while ($theme = $query->fetch(PDO::FETCH_ASSOC)) {
rebuildTheme($theme['theme'], $action, $board);
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}
}
function loadThemeConfig($_theme) {
global $config;
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if (!file_exists($config['dir']['themes'] . '/' . $_theme . '/info.php'))
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return false;
// Load theme information into $theme
include $config['dir']['themes'] . '/' . $_theme . '/info.php';
return $theme;
}
function rebuildTheme($theme, $action, $board = false) {
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global $config, $_theme;
$_theme = $theme;
$theme = loadThemeConfig($_theme);
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if (file_exists($config['dir']['themes'] . '/' . $_theme . '/theme.php')) {
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require_once $config['dir']['themes'] . '/' . $_theme . '/theme.php';
$theme['build_function']($action, themeSettings($_theme), $board);
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}
}
function themeSettings($theme) {
$query = prepare("SELECT `name`, `value` FROM ``theme_settings`` WHERE `theme` = :theme AND `name` IS NOT NULL");
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$query->bindValue(':theme', $theme);
$query->execute() or error(db_error($query));
$settings = array();
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while ($s = $query->fetch(PDO::FETCH_ASSOC)) {
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$settings[$s['name']] = $s['value'];
}
return $settings;
}
function sprintf3($str, $vars, $delim = '%') {
$replaces = array();
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foreach ($vars as $k => $v) {
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$replaces[$delim . $k . $delim] = $v;
}
return str_replace(array_keys($replaces),
array_values($replaces), $str);
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}
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function mb_substr_replace($string, $replacement, $start, $length) {
return mb_substr($string, 0, $start) . $replacement . mb_substr($string, $start + $length);
}
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function setupBoard($array) {
global $board, $config;
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$board = array(
'uri' => $array['uri'],
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'title' => $array['title'],
'subtitle' => $array['subtitle']
);
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// older versions
$board['name'] = &$board['title'];
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$board['dir'] = sprintf($config['board_path'], $board['uri']);
$board['url'] = sprintf($config['board_abbreviation'], $board['uri']);
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loadConfig();
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if (!file_exists($board['dir']))
@mkdir($board['dir'], 0777) or error("Couldn't create " . $board['dir'] . ". Check permissions.", true);
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if (!file_exists($board['dir'] . $config['dir']['img']))
@mkdir($board['dir'] . $config['dir']['img'], 0777)
or error("Couldn't create " . $board['dir'] . $config['dir']['img'] . ". Check permissions.", true);
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if (!file_exists($board['dir'] . $config['dir']['thumb']))
@mkdir($board['dir'] . $config['dir']['thumb'], 0777)
or error("Couldn't create " . $board['dir'] . $config['dir']['img'] . ". Check permissions.", true);
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if (!file_exists($board['dir'] . $config['dir']['res']))
@mkdir($board['dir'] . $config['dir']['res'], 0777)
or error("Couldn't create " . $board['dir'] . $config['dir']['img'] . ". Check permissions.", true);
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}
function openBoard($uri) {
global $config, $build_pages;
if ($config['try_smarter'])
$build_pages = array();
$board = getBoardInfo($uri);
if ($board) {
setupBoard($board);
return true;
}
return false;
}
function getBoardInfo($uri) {
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global $config;
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if ($config['cache']['enabled'] && ($board = cache::get('board_' . $uri))) {
return $board;
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}
$query = prepare("SELECT * FROM ``boards`` WHERE `uri` = :uri LIMIT 1");
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$query->bindValue(':uri', $uri);
$query->execute() or error(db_error($query));
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if ($board = $query->fetch(PDO::FETCH_ASSOC)) {
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if ($config['cache']['enabled'])
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cache::set('board_' . $uri, $board);
return $board;
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}
return false;
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}
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function boardTitle($uri) {
$board = getBoardInfo($uri);
if ($board)
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return $board['title'];
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return false;
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}
function purge($uri) {
global $config, $debug;
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// Fix for Unicode
$uri = rawurlencode($uri);
$noescape = "/!~*()+:";
$noescape = preg_split('//', $noescape);
$noescape_url = array_map("rawurlencode", $noescape);
$uri = str_replace($noescape_url, $noescape, $uri);
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if (preg_match($config['referer_match'], $config['root']) && isset($_SERVER['REQUEST_URI'])) {
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$uri = (str_replace('\\', '/', dirname($_SERVER['REQUEST_URI'])) == '/' ? '/' : str_replace('\\', '/', dirname($_SERVER['REQUEST_URI'])) . '/') . $uri;
} else {
$uri = $config['root'] . $uri;
}
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if ($config['debug']) {
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$debug['purge'][] = $uri;
}
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foreach ($config['purge'] as &$purge) {
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$host = &$purge[0];
$port = &$purge[1];
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$http_host = isset($purge[2]) ? $purge[2] : (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost');
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$request = "PURGE {$uri} HTTP/1.1\r\nHost: {$http_host}\r\nUser-Agent: Tinyboard\r\nConnection: Close\r\n\r\n";
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if ($fp = fsockopen($host, $port, $errno, $errstr, $config['purge_timeout'])) {
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fwrite($fp, $request);
fclose($fp);
} else {
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// Cannot connect?
error('Could not PURGE for ' . $host);
}
}
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}
function file_write($path, $data, $simple = false, $skip_purge = false) {
global $config, $debug;
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if (preg_match('/^remote:\/\/(.+)\:(.+)$/', $path, $m)) {
if (isset($config['remote'][$m[1]])) {
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require_once 'inc/remote.php';
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$remote = new Remote($config['remote'][$m[1]]);
$remote->write($data, $m[2]);
return;
} else {
error('Invalid remote server: ' . $m[1]);
}
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}
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if (!$fp = fopen($path, $simple ? 'w' : 'c'))
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error('Unable to open file for writing: ' . $path);
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// File locking
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if (!$simple && !flock($fp, LOCK_EX)) {
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error('Unable to lock file: ' . $path);
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}
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// Truncate file
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if (!$simple && !ftruncate($fp, 0))
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error('Unable to truncate file: ' . $path);
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// Write data
if (($bytes = fwrite($fp, $data)) === false)
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error('Unable to write to file: ' . $path);
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// Unlock
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if (!$simple)
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flock($fp, LOCK_UN);
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// Close
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if (!fclose($fp))
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error('Unable to close file: ' . $path);
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if (!$skip_purge && isset($config['purge'])) {
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// Purge cache
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if (basename($path) == $config['file_index']) {
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// Index file (/index.html); purge "/" as well
$uri = dirname($path);
// root
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if ($uri == '.')
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$uri = '';
else
$uri .= '/';
purge($uri);
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}
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purge($path);
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}
if ($config['debug']) {
$debug['write'][] = $path . ': ' . $bytes . ' bytes';
}
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event('write', $path);
}
function file_unlink($path) {
global $config, $debug;
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if ($config['debug']) {
if (!isset($debug['unlink']))
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$debug['unlink'] = array();
$debug['unlink'][] = $path;
}
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$ret = @unlink($path);
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if (isset($config['purge']) && $path[0] != '/' && isset($_SERVER['HTTP_HOST'])) {
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// Purge cache
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if (basename($path) == $config['file_index']) {
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// Index file (/index.html); purge "/" as well
$uri = dirname($path);
// root
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if ($uri == '.')
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$uri = '';
else
$uri .= '/';
purge($uri);
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}
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purge($path);
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}
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event('unlink', $path);
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return $ret;
}
function hasPermission($action = null, $board = null, $_mod = null) {
global $config;
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if (isset($_mod))
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$mod = &$_mod;
else
global $mod;
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if (!is_array($mod))
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return false;
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if (isset($action) && $mod['type'] < $action)
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return false;
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if (!isset($board) || $config['mod']['skip_per_board'])
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return true;
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if (!isset($mod['boards']))
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return false;
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if (!in_array('*', $mod['boards']) && !in_array($board, $mod['boards']))
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return false;
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return true;
}
function listBoards() {
global $config;
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if ($config['cache']['enabled'] && ($boards = cache::get('all_boards')))
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return $boards;
$query = query("SELECT * FROM ``boards`` ORDER BY `uri`") or error(db_error());
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$boards = $query->fetchAll();
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if ($config['cache']['enabled'])
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cache::set('all_boards', $boards);
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return $boards;
}
function until($timestamp) {
$difference = $timestamp - time();
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if ($difference < 60) {
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return $difference . ' ' . ngettext('second', 'seconds', $difference);
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} elseif ($difference < 60*60) {
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return ($num = round($difference/(60))) . ' ' . ngettext('minute', 'minutes', $num);
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} elseif ($difference < 60*60*24) {
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return ($num = round($difference/(60*60))) . ' ' . ngettext('hour', 'hours', $num);
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} elseif ($difference < 60*60*24*7) {
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return ($num = round($difference/(60*60*24))) . ' ' . ngettext('day', 'days', $num);
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} elseif ($difference < 60*60*24*365) {
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return ($num = round($difference/(60*60*24*7))) . ' ' . ngettext('week', 'weeks', $num);
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}
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return ($num = round($difference/(60*60*24*365))) . ' ' . ngettext('year', 'years', $num);
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}
function ago($timestamp) {
$difference = time() - $timestamp;
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if ($difference < 60) {
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return $difference . ' ' . ngettext('second', 'seconds', $difference);
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} elseif ($difference < 60*60) {
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return ($num = round($difference/(60))) . ' ' . ngettext('minute', 'minutes', $num);
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} elseif ($difference < 60*60*24) {
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return ($num = round($difference/(60*60))) . ' ' . ngettext('hour', 'hours', $num);
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} elseif ($difference < 60*60*24*7) {
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return ($num = round($difference/(60*60*24))) . ' ' . ngettext('day', 'days', $num);
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} elseif ($difference < 60*60*24*365) {
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return ($num = round($difference/(60*60*24*7))) . ' ' . ngettext('week', 'weeks', $num);
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}
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return ($num = round($difference/(60*60*24*365))) . ' ' . ngettext('year', 'years', $num);
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}
function displayBan($ban) {
global $config, $board;
if (!$ban['seen']) {
Bans::seen($ban['id']);
}
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$ban['ip'] = $_SERVER['REMOTE_ADDR'];
if ($ban['post'] && isset($ban['post']['board'], $ban['post']['id'])) {
if (openBoard($ban['post']['board'])) {
$query = query(sprintf("SELECT `thumb`, `file` FROM ``posts_%s`` WHERE `id` = " .
(int)$ban['post']['id'], $board['uri']));
if ($_post = $query->fetch(PDO::FETCH_ASSOC)) {
$ban['post'] = array_merge($ban['post'], $_post);
} else {
$ban['post']['file'] = 'deleted';
$ban['post']['thumb'] = false;
}
} else {
$ban['post']['file'] = 'deleted';
$ban['post']['thumb'] = false;
}
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if ($ban['post']['thread']) {
$post = new Post($ban['post']);
} else {
$post = new Thread($ban['post'], null, false, false);
}
}
$denied_appeals = array();
$pending_appeal = false;
if ($config['ban_appeals']) {
$query = query("SELECT `time`, `denied` FROM `ban_appeals` WHERE `ban_id` = " . (int)$ban['id']) or error(db_error());
while ($ban_appeal = $query->fetch(PDO::FETCH_ASSOC)) {
if ($ban_appeal['denied']) {
$denied_appeals[] = $ban_appeal['time'];
} else {
$pending_appeal = $ban_appeal['time'];
}
}
}
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// Show banned page and exit
die(
Element('page.html', array(
'title' => _('Banned!'),
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'config' => $config,
'nojavascript' => true,
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'body' => Element('banned.html', array(
'config' => $config,
'ban' => $ban,
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'board' => $board,
'post' => isset($post) ? $post->build(true) : false,
'denied_appeals' => $denied_appeals,
'pending_appeal' => $pending_appeal
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)
))
));
}
function checkBan($board = false) {
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global $config;
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if (!isset($_SERVER['REMOTE_ADDR'])) {
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// Server misconfiguration
return;
}
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if (event('check-ban', $board))
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return true;
$bans = Bans::find($_SERVER['REMOTE_ADDR'], $board);
foreach ($bans as &$ban) {
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if ($ban['expires'] && $ban['expires'] < time()) {
Bans::delete($ban['id']);
if ($config['require_ban_view'] && !$ban['seen']) {
if (!isset($_POST['json_response'])) {
displayBan($ban);
} else {
header('Content-Type: text/json');
die(json_encode(array('error' => true, 'banned' => true)));
}
}
} else {
if (!isset($_POST['json_response'])) {
displayBan($ban);
} else {
header('Content-Type: text/json');
die(json_encode(array('error' => true, 'banned' => true)));
}
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}
}
// I'm not sure where else to put this. It doesn't really matter where; it just needs to be called every
// now and then to keep the ban list tidy.
if ($config['cache']['enabled'] && $last_time_purged = cache::get('purged_bans_last')) {
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if (time() - $last_time_purged < $config['purge_bans'] )
return;
}
Bans::purge();
if ($config['cache']['enabled'])
cache::set('purged_bans_last', time());
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}
function threadLocked($id) {
global $board;
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if (event('check-locked', $id))
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return true;
$query = prepare(sprintf("SELECT `locked` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error());
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if (($locked = $query->fetchColumn()) === false) {
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// Non-existant, so it can't be locked...
return false;
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}
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return (bool)$locked;
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}
function threadSageLocked($id) {
global $board;
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if (event('check-sage-locked', $id))
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return true;
$query = prepare(sprintf("SELECT `sage` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error());
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if (($sagelocked = $query->fetchColumn()) === false) {
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// Non-existant, so it can't be locked...
return false;
}
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return (bool)$sagelocked;
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}
function threadExists($id) {
global $board;
$query = prepare(sprintf("SELECT 1 FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error());
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if ($query->rowCount()) {
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return true;
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}
return false;
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}
function insertFloodPost(array $post) {
global $board;
$query = prepare("INSERT INTO ``flood`` VALUES (NULL, :ip, :board, :time, :posthash, :filehash, :isreply)");
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->bindValue(':board', $board['uri']);
$query->bindValue(':time', time());
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$query->bindValue(':posthash', make_comment_hex($post['body_nomarkup']));
if ($post['has_file'])
$query->bindValue(':filehash', $post['filehash']);
else
$query->bindValue(':filehash', null, PDO::PARAM_NULL);
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$query->bindValue(':isreply', !$post['op'], PDO::PARAM_INT);
$query->execute() or error(db_error($query));
}
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function post(array $post) {
global $pdo, $board;
$query = prepare(sprintf("INSERT INTO ``posts_%s`` VALUES ( NULL, :thread, :subject, :email, :name, :trip, :capcode, :body, :body_nomarkup, :time, :time, :thumb, :thumbwidth, :thumbheight, :file, :width, :height, :filesize, :filename, :filehash, :password, :ip, :sticky, :locked, 0, :embed)", $board['uri']));
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// Basic stuff
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if (!empty($post['subject'])) {
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$query->bindValue(':subject', $post['subject']);
} else {
$query->bindValue(':subject', null, PDO::PARAM_NULL);
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}
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if (!empty($post['email'])) {
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$query->bindValue(':email', $post['email']);
} else {
$query->bindValue(':email', null, PDO::PARAM_NULL);
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}
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if (!empty($post['trip'])) {
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$query->bindValue(':trip', $post['trip']);
} else {
$query->bindValue(':trip', null, PDO::PARAM_NULL);
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}
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$query->bindValue(':name', $post['name']);
$query->bindValue(':body', $post['body']);
$query->bindValue(':body_nomarkup', $post['body_nomarkup']);
$query->bindValue(':time', isset($post['time']) ? $post['time'] : time(), PDO::PARAM_INT);
$query->bindValue(':password', $post['password']);
$query->bindValue(':ip', isset($post['ip']) ? $post['ip'] : $_SERVER['REMOTE_ADDR']);
if ($post['op'] && $post['mod'] && isset($post['sticky']) && $post['sticky']) {
$query->bindValue(':sticky', true, PDO::PARAM_INT);
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} else {
$query->bindValue(':sticky', false, PDO::PARAM_INT);
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}
if ($post['op'] && $post['mod'] && isset($post['locked']) && $post['locked']) {
$query->bindValue(':locked', true, PDO::PARAM_INT);
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} else {
$query->bindValue(':locked', false, PDO::PARAM_INT);
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}
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if ($post['mod'] && isset($post['capcode']) && $post['capcode']) {
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$query->bindValue(':capcode', $post['capcode'], PDO::PARAM_INT);
} else {
$query->bindValue(':capcode', null, PDO::PARAM_NULL);
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}
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if (!empty($post['embed'])) {
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$query->bindValue(':embed', $post['embed']);
} else {
$query->bindValue(':embed', null, PDO::PARAM_NULL);
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}
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if ($post['op']) {
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// No parent thread, image
$query->bindValue(':thread', null, PDO::PARAM_NULL);
} else {
$query->bindValue(':thread', $post['thread'], PDO::PARAM_INT);
}
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if ($post['has_file']) {
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$query->bindValue(':thumb', $post['thumb']);
$query->bindValue(':thumbwidth', $post['thumbwidth'], PDO::PARAM_INT);
$query->bindValue(':thumbheight', $post['thumbheight'], PDO::PARAM_INT);
$query->bindValue(':file', $post['file']);
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if (isset($post['width'], $post['height'])) {
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$query->bindValue(':width', $post['width'], PDO::PARAM_INT);
$query->bindValue(':height', $post['height'], PDO::PARAM_INT);
2010-12-17 15:18:03 +01:00
} else {
$query->bindValue(':width', null, PDO::PARAM_NULL);
$query->bindValue(':height', null, PDO::PARAM_NULL);
}
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$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);
$query->bindValue(':filehash', null, PDO::PARAM_NULL);
2010-12-17 15:18:03 +01:00
}
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if (!$query->execute()) {
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undoImage($post);
error(db_error($query));
}
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return $pdo->lastInsertId();
}
function bumpThread($id) {
global $config, $board, $build_pages;
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if (event('bump', $id))
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return true;
if ($config['try_smarter'])
$build_pages[] = thread_find_page($id);
$query = prepare(sprintf("UPDATE ``posts_%s`` SET `bump` = :time WHERE `id` = :id AND `thread` IS NULL", $board['uri']));
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$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", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
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if (!$post = $query->fetch(PDO::FETCH_ASSOC))
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error($config['error']['invalidpost']);
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if ($post['file'] == 'deleted' && !$post['thread'])
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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", $board['uri']));
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if ($post['file'] == 'deleted' && $remove_entirely_if_already) {
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// Already deleted; remove file fully
$query->bindValue(':file', null, PDO::PARAM_NULL);
} else {
// Delete thumbnail
file_unlink($board['dir'] . $config['dir']['thumb'] . $post['thumb']);
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// Delete file
file_unlink($board['dir'] . $config['dir']['img'] . $post['file']);
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// Set file to 'deleted'
$query->bindValue(':file', 'deleted', PDO::PARAM_INT);
}
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$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
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if ($post['thread'])
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buildThread($post['thread']);
else
buildThread($id);
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}
// rebuild post (markup)
function rebuildPost($id) {
global $board;
$query = prepare(sprintf("SELECT `body_nomarkup`, `thread` FROM ``posts_%s`` WHERE `id` = :id", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
2013-08-01 02:51:43 +02:00
if ((!$post = $query->fetch(PDO::FETCH_ASSOC)) || !$post['body_nomarkup'])
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return false;
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markup($body = &$post['body_nomarkup']);
$query = prepare(sprintf("UPDATE ``posts_%s`` SET `body` = :body WHERE `id` = :id", $board['uri']));
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$query->bindValue(':body', $body);
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
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buildThread($post['thread'] ? $post['thread'] : $id);
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return true;
}
// Delete a post (reply or thread)
function deletePost($id, $error_if_doesnt_exist=true, $rebuild_after=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']));
2012-04-11 18:49:22 +02:00
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
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if ($query->rowCount() < 1) {
if ($error_if_doesnt_exist)
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error($config['error']['invalidpost']);
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else return false;
}
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$ids = array();
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// Delete posts and maybe replies
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while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
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event('delete', $post);
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if (!$post['thread']) {
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// Delete thread HTML page
file_unlink($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['id']));
file_unlink($board['dir'] . $config['dir']['res'] . sprintf($config['file_page50'], $post['id']));
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file_unlink($board['dir'] . $config['dir']['res'] . sprintf('%d.json', $post['id']));
$antispam_query = prepare('DELETE FROM ``antispam`` WHERE `board` = :board AND `thread` = :thread');
$antispam_query->bindValue(':board', $board['uri']);
$antispam_query->bindValue(':thread', $post['id']);
$antispam_query->execute() or error(db_error($antispam_query));
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} elseif ($query->rowCount() == 1) {
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// Rebuild thread
$rebuild = &$post['thread'];
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}
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if ($post['thumb']) {
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// Delete thumbnail
file_unlink($board['dir'] . $config['dir']['thumb'] . $post['thumb']);
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}
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if ($post['file']) {
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// Delete file
file_unlink($board['dir'] . $config['dir']['img'] . $post['file']);
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}
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$ids[] = (int)$post['id'];
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}
$query = prepare(sprintf("DELETE FROM ``posts_%s`` WHERE `id` = :id OR `thread` = :id", $board['uri']));
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$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
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$query = prepare("SELECT `board`, `post` FROM ``cites`` WHERE `target_board` = :board AND (`target` = " . implode(' OR `target` = ', $ids) . ") ORDER BY `board`");
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$query->bindValue(':board', $board['uri']);
$query->execute() or error(db_error($query));
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while ($cite = $query->fetch(PDO::FETCH_ASSOC)) {
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if ($board['uri'] != $cite['board']) {
if (!isset($tmp_board))
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$tmp_board = $board['uri'];
openBoard($cite['board']);
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}
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rebuildPost($cite['post']);
}
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if (isset($tmp_board))
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openBoard($tmp_board);
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$query = prepare("DELETE FROM ``cites`` WHERE (`target_board` = :board AND (`target` = " . implode(' OR `target` = ', $ids) . ")) OR (`board` = :board AND (`post` = " . implode(' OR `post` = ', $ids) . "))");
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$query->bindValue(':board', $board['uri']);
$query->execute() or error(db_error($query));
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if (isset($rebuild) && $rebuild_after) {
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buildThread($rebuild);
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buildIndex();
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}
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return true;
}
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", $board['uri']));
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$query->bindValue(':offset', $offset, PDO::PARAM_INT);
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$query->execute() or error(db_error($query));
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while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
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deletePost($post['id']);
}
}
function thread_find_page($thread) {
global $config, $board;
$query = query(sprintf("SELECT `id` FROM ``posts_%s`` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC", $board['uri'])) or error(db_error($query));
$threads = $query->fetchAll(PDO::FETCH_COLUMN);
if (($index = array_search($thread, $threads)) === false)
return false;
return floor(($config['threads_per_page'] + $index) / $config['threads_per_page']);
}
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function index($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", $board['uri']));
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$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));
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if ($page == 1 && $query->rowCount() < $config['threads_per_page'])
$board['thread_count'] = $query->rowCount();
if ($query->rowCount() < 1 && $page > 1)
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return false;
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$threads = array();
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while ($th = $query->fetch(PDO::FETCH_ASSOC)) {
$thread = new Thread($th, $mod ? '?/' : $config['root'], $mod);
if ($config['cache']['enabled']) {
$cached = cache::get("thread_index_{$board['uri']}_{$th['id']}");
if (isset($cached['replies'], $cached['omitted'])) {
$replies = $cached['replies'];
$omitted = $cached['omitted'];
} else {
unset($cached);
}
}
if (!isset($cached)) {
$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));
$replies = array_reverse($posts->fetchAll(PDO::FETCH_ASSOC));
if (count($replies) == ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview'])) {
$count = numPosts($th['id']);
$omitted = array('post_count' => $count['replies'], 'image_count' => $count['images']);
} else {
$omitted = false;
}
if ($config['cache']['enabled'])
cache::set("thread_index_{$board['uri']}_{$th['id']}", array(
'replies' => $replies,
'omitted' => $omitted,
));
}
$num_images = 0;
foreach ($replies as $po) {
if ($po['file'])
$num_images++;
$thread->add(new Post($po, $mod ? '?/' : $config['root'], $mod));
}
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$thread->images = $num_images;
$thread->replies = isset($omitted['post_count']) ? $omitted['post_count'] : count($replies);
if ($omitted) {
$thread->omitted = $omitted['post_count'] - ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview']);
$thread->omitted_images = $omitted['image_count'] - $num_images;
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}
$threads[] = $thread;
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$body .= $thread->build(true);
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}
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return array(
'board' => $board,
'body' => $body,
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'post_url' => $config['post_url'],
'config' => $config,
'boardlist' => createBoardlist($mod),
'threads' => $threads
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);
}
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function getPageButtons($pages, $mod=false) {
global $config, $board;
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$btn = array();
$root = ($mod ? '?/' : $config['root']) . $board['dir'];
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foreach ($pages as $num => $page) {
if (isset($page['selected'])) {
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// Previous button
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if ($num == 0) {
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// There is no previous page.
$btn['prev'] = _('Previous');
} else {
$loc = ($mod ? '?/' . $board['uri'] . '/' : '') .
($num == 1 ?
$config['file_index']
:
sprintf($config['file_page'], $num)
);
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$btn['prev'] = '<form action="' . ($mod ? '' : $root . $loc) . '" method="get">' .
($mod ?
'<input type="hidden" name="status" value="301" />' .
'<input type="hidden" name="r" value="' . htmlentities($loc) . '" />'
:'') .
'<input type="submit" value="' . _('Previous') . '" /></form>';
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}
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if ($num == count($pages) - 1) {
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// There is no next page.
$btn['next'] = _('Next');
} else {
$loc = ($mod ? '?/' . $board['uri'] . '/' : '') . sprintf($config['file_page'], $num + 2);
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$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>';
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}
}
}
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return $btn;
}
function getPages($mod=false) {
global $board, $config;
if (isset($board['thread_count'])) {
$count = $board['thread_count'];
} else {
// Count threads
$query = query(sprintf("SELECT COUNT(*) FROM ``posts_%s`` WHERE `thread` IS NULL", $board['uri'])) or error(db_error());
$count = $query->fetchColumn();
}
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$count = floor(($config['threads_per_page'] + $count - 1) / $config['threads_per_page']);
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if ($count < 1) $count = 1;
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$pages = array();
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for ($x=0;$x<$count && $x<$config['max_pages'];$x++) {
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$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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}
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return $pages;
}
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// Stolen with permission from PlainIB (by Frank Usrs)
function make_comment_hex($str) {
// remove cross-board citations
// the numbers don't matter
$str = preg_replace('!>>>/[A-Za-z0-9]+/!', '', $str);
if (function_exists('iconv')) {
// remove diacritics and other noise
// FIXME: this removes cyrillic entirely
$str = iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $str);
}
$str = strtolower($str);
// strip all non-alphabet characters
$str = preg_replace('/[^a-z]/', '', $str);
return md5($str);
}
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function makerobot($body) {
global $config;
$body = strtolower($body);
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// Leave only letters
$body = preg_replace('/[^a-z]/i', '', $body);
// Remove repeating characters
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if ($config['robot_strip_repeating'])
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$body = preg_replace('/(.)\\1+/', '$1', $body);
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return sha1($body);
}
function checkRobot($body) {
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if (empty($body) || event('check-robot', $body))
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return true;
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$body = makerobot($body);
$query = prepare("SELECT 1 FROM ``robot`` WHERE `hash` = :hash LIMIT 1");
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$query->bindValue(':hash', $body);
$query->execute() or error(db_error($query));
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if ($query->fetchColumn()) {
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return true;
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}
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// Insert new hash
$query = prepare("INSERT INTO ``robot`` VALUES (:hash)");
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$query->bindValue(':hash', $body);
$query->execute() or error(db_error($query));
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return false;
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}
// Returns an associative array with 'replies' and 'images' keys
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function numPosts($id) {
global $board;
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$query = prepare(sprintf("SELECT COUNT(*) AS `replies`, COUNT(NULLIF(`file`, 0)) AS `images` FROM ``posts_%s`` WHERE `thread` = :thread", $board['uri'], $board['uri']));
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$query->bindValue(':thread', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
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return $query->fetch(PDO::FETCH_ASSOC);
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}
function muteTime() {
global $config;
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if ($time = event('mute-time'))
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return $time;
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// Find number of mutes in the past X hours
$query = prepare("SELECT COUNT(*) FROM ``mutes`` WHERE `time` >= :time AND `ip` = :ip");
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$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));
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if (!$result = $query->fetchColumn())
return 0;
return pow($config['robot_mute_multiplier'], $result);
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}
function mute() {
// Insert mute
$query = prepare("INSERT INTO ``mutes`` VALUES (:ip, :time)");
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$query->bindValue(':time', time(), PDO::PARAM_INT);
$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
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return muteTime();
}
function checkMute() {
global $config, $debug;
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if ($config['cache']['enabled']) {
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// Cached mute?
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if (($mute = cache::get("mute_${_SERVER['REMOTE_ADDR']}")) && ($mutetime = cache::get("mutetime_${_SERVER['REMOTE_ADDR']}"))) {
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error(sprintf($config['error']['youaremuted'], $mute['time'] + $mutetime - time()));
}
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}
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$mutetime = muteTime();
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if ($mutetime > 0) {
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// Find last mute time
$query = prepare("SELECT `time` FROM ``mutes`` WHERE `ip` = :ip ORDER BY `time` DESC LIMIT 1");
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$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
$query->execute() or error(db_error($query));
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if (!$mute = $query->fetch(PDO::FETCH_ASSOC)) {
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// What!? He's muted but he's not muted...
return;
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}
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if ($mute['time'] + $mutetime > time()) {
if ($config['cache']['enabled']) {
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cache::set("mute_${_SERVER['REMOTE_ADDR']}", $mute, $mute['time'] + $mutetime - time());
cache::set("mutetime_${_SERVER['REMOTE_ADDR']}", $mutetime, $mute['time'] + $mutetime - time());
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}
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// Not expired yet
error(sprintf($config['error']['youaremuted'], $mute['time'] + $mutetime - time()));
} else {
// Already expired
return;
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}
}
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}
function buildIndex() {
global $board, $config, $build_pages;
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$pages = getPages();
if (!$config['try_smarter'])
$antibot = create_antibot($board['uri']);
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if ($config['api']['enabled']) {
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$api = new Api();
$catalog = array();
}
for ($page = 1; $page <= $config['max_pages']; $page++) {
$filename = $board['dir'] . ($page == 1 ? $config['file_index'] : sprintf($config['file_page'], $page));
if (!$config['api']['enabled'] && $config['try_smarter'] && isset($build_pages) && !empty($build_pages)
&& !in_array($page, $build_pages) && is_file($filename))
continue;
$content = index($page);
if (!$content)
break;
// json api
if ($config['api']['enabled']) {
$threads = $content['threads'];
$json = json_encode($api->translatePage($threads));
$jsonFilename = $board['dir'] . ($page - 1) . '.json'; // pages should start from 0
file_write($jsonFilename, $json);
$catalog[$page-1] = $threads;
}
if ($config['api']['enabled'] && $config['try_smarter'] && isset($build_pages) && !empty($build_pages)
&& !in_array($page, $build_pages) && is_file($filename))
continue;
if ($config['try_smarter']) {
$antibot = create_antibot($board['uri'], 0 - $page);
$content['current_page'] = $page;
}
$antibot->reset();
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$content['pages'] = $pages;
$content['pages'][$page-1]['selected'] = true;
$content['btn'] = getPageButtons($content['pages']);
$content['antibot'] = $antibot;
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file_write($filename, Element('index.html', $content));
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}
2012-04-12 16:18:19 +02:00
if ($page < $config['max_pages']) {
for (;$page<=$config['max_pages'];$page++) {
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$filename = $board['dir'] . ($page==1 ? $config['file_index'] : sprintf($config['file_page'], $page));
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file_unlink($filename);
if ($config['api']['enabled']) {
$jsonFilename = $board['dir'] . ($page - 1) . '.json';
file_unlink($jsonFilename);
}
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}
}
// json api catalog
if ($config['api']['enabled']) {
$json = json_encode($api->translateCatalog($catalog));
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$jsonFilename = $board['dir'] . 'catalog.json';
file_write($jsonFilename, $json);
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$json = json_encode($api->translateCatalog($catalog, true));
$jsonFilename = $board['dir'] . 'threads.json';
file_write($jsonFilename, $json);
}
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if ($config['try_smarter'])
$build_pages = array();
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}
function buildJavascript() {
global $config;
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$stylesheets = array();
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foreach ($config['stylesheets'] as $name => $uri) {
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$stylesheets[] = array(
'name' => addslashes($name),
'uri' => addslashes((!empty($uri) ? $config['uri_stylesheets'] : '') . $uri));
}
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$script = Element('main.js', array(
'config' => $config,
'stylesheets' => $stylesheets
));
// Check if we have translation for the javascripts; if yes, we add it to additional javascripts
list($pure_locale) = explode(".", $config['locale']);
if (file_exists ($jsloc = "inc/locale/$pure_locale/LC_MESSAGES/javascript.js")) {
$script = file_get_contents($jsloc) . "\n\n" . $script;
}
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if ($config['additional_javascript_compile']) {
foreach ($config['additional_javascript'] as $file) {
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$script .= file_get_contents($file);
}
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}
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if ($config['minify_js']) {
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require_once 'inc/lib/minify/JSMin.php';
$script = JSMin::minify($script);
}
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file_write($config['file_script'], $script);
}
function checkDNSBL() {
global $config;
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if (isIPv6())
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return; // No IPv6 support yet.
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if (!isset($_SERVER['REMOTE_ADDR']))
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return; // Fix your web server configuration
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if (in_array($_SERVER['REMOTE_ADDR'], $config['dnsbl_exceptions']))
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return;
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$ipaddr = ReverseIPOctets($_SERVER['REMOTE_ADDR']);
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foreach ($config['dnsbl'] as $blacklist) {
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if (!is_array($blacklist))
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$blacklist = array($blacklist);
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if (($lookup = str_replace('%', $ipaddr, $blacklist[0])) == $blacklist[0])
$lookup = $ipaddr . '.' . $blacklist[0];
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if (!$ip = DNS($lookup))
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continue; // not in list
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$blacklist_name = isset($blacklist[2]) ? $blacklist[2] : $blacklist[0];
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if (!isset($blacklist[1])) {
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// If you're listed at all, you're blocked.
error(sprintf($config['error']['dnsbl'], $blacklist_name));
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} elseif (is_array($blacklist[1])) {
foreach ($blacklist[1] as $octet) {
if ($ip == $octet || $ip == '127.0.0.' . $octet)
error(sprintf($config['error']['dnsbl'], $blacklist_name));
2011-05-19 09:37:23 +02:00
}
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} elseif (is_callable($blacklist[1])) {
if ($blacklist[1]($ip))
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error(sprintf($config['error']['dnsbl'], $blacklist_name));
} else {
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if ($ip == $blacklist[1] || $ip == '127.0.0.' . $blacklist[1])
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error(sprintf($config['error']['dnsbl'], $blacklist_name));
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}
2011-01-19 02:37:31 +01:00
}
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}
function isIPv6() {
return strstr($_SERVER['REMOTE_ADDR'], ':') !== false;
}
function ReverseIPOctets($ip) {
return implode('.', array_reverse(explode('.', $ip)));
}
function wordfilters(&$body) {
global $config;
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foreach ($config['wordfilters'] as $filter) {
if (isset($filter[2]) && $filter[2]) {
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if (is_callable($filter[1]))
$body = preg_replace_callback($filter[0], $filter[1], $body);
else
$body = preg_replace($filter[0], $filter[1], $body);
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} else {
$body = str_ireplace($filter[0], $filter[1], $body);
}
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}
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}
function quote($body, $quote=true) {
global $config;
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$body = str_replace('<br/>', "\n", $body);
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$body = strip_tags($body);
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$body = preg_replace("/(^|\n)/", '$1&gt;', $body);
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$body .= "\n";
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if ($config['minify_html'])
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$body = str_replace("\n", '&#010;', $body);
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return $body;
}
function markup_url($matches) {
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global $config, $markup_urls;
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$url = $matches[1];
$after = $matches[2];
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$markup_urls[] = $url;
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$link = (object) array(
'href' => $url,
'text' => $url,
'rel' => 'nofollow',
'target' => '_blank',
);
event('markup-url', $link);
$link = (array)$link;
$parts = array();
foreach ($link as $attr => $value) {
if ($attr == 'text' || $attr == 'after')
continue;
$parts[] = $attr . '="' . htmlspecialchars($value) . '"';
}
if (isset($link['after']))
$after = $link['after'] . $after;
return '<a ' . implode(' ', $parts) . '>' . utf8tohtml($link['text']) . '</a>' . $after;
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}
function unicodify($body) {
$body = str_replace('...', '&hellip;', $body);
$body = str_replace('&lt;--', '&larr;', $body);
$body = str_replace('--&gt;', '&rarr;', $body);
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// En and em- dashes are rendered exactly the same in
// most monospace fonts (they look the same in code
// editors).
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$body = str_replace('---', '&mdash;', $body); // em dash
2013-02-12 18:25:56 +01:00
$body = str_replace('--', '&ndash;', $body); // en dash
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return $body;
}
function extract_modifiers($body) {
$modifiers = array();
if (preg_match_all('@<tinyboard ([\w\s]+)>(.+?)</tinyboard>@us', $body, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
if (preg_match('/^escape /', $match[1]))
continue;
$modifiers[$match[1]] = html_entity_decode($match[2]);
}
}
return $modifiers;
}
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function markup(&$body, $track_cites = false) {
global $board, $config, $markup_urls;
$modifiers = extract_modifiers($body);
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$body = preg_replace('@<tinyboard (?!escape )([\w\s]+)>(.+?)</tinyboard>@us', '', $body);
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$body = preg_replace('@<(tinyboard) escape ([\w\s]+)>@i', '<$1 $2>', $body);
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if (isset($modifiers['raw html']) && $modifiers['raw html'] == '1') {
return array();
}
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$body = str_replace("\r", '', $body);
$body = utf8tohtml($body);
if (mysql_version() < 50503)
$body = mb_encode_numericentity($body, array(0x010000, 0xffffff, 0, 0xffffff), 'UTF-8');
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foreach ($config['markup'] as $markup) {
if (is_string($markup[1])) {
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$body = preg_replace($markup[0], $markup[1], $body);
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} elseif (is_callable($markup[1])) {
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$body = preg_replace_callback($markup[0], $markup[1], $body);
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}
}
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if ($config['markup_urls']) {
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$markup_urls = array();
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$body = preg_replace_callback(
'/((?:https?:\/\/|ftp:\/\/|irc:\/\/)[^\s<>()"]+?(?:\([^\s<>()"]*?\)[^\s<>()"]*?)*)((?:\s|<|>|"|\.||\]|!|\?|,|&#44;|&quot;)*(?:[\s<>()"]|$))/',
'markup_url',
$body,
-1,
$num_links);
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if ($num_links > $config['max_links'])
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error($config['error']['toomanylinks']);
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}
if ($config['markup_repair_tidy'])
$body = str_replace(' ', ' &nbsp;', $body);
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if ($config['auto_unicode']) {
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$body = unicodify($body);
if ($config['markup_urls']) {
foreach ($markup_urls as &$url) {
$body = str_replace(unicodify($url), $url, $body);
}
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}
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}
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$tracked_cites = array();
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// Cites
if (isset($board) && preg_match_all('/(^|\s)&gt;&gt;(\d+?)([\s,.)?]|$)/m', $body, $cites, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
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if (count($cites[0]) > $config['max_cites']) {
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error($config['error']['toomanycites']);
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}
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$skip_chars = 0;
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$body_tmp = $body;
$search_cites = array();
foreach ($cites as $matches) {
$search_cites[] = '`id` = ' . $matches[2][0];
}
$search_cites = array_unique($search_cites);
$query = query(sprintf('SELECT `thread`, `id` FROM ``posts_%s`` WHERE ' .
implode(' OR ', $search_cites), $board['uri'])) or error(db_error());
$cited_posts = array();
while ($cited = $query->fetch(PDO::FETCH_ASSOC)) {
$cited_posts[$cited['id']] = $cited['thread'] ? $cited['thread'] : false;
}
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foreach ($cites as $matches) {
$cite = $matches[2][0];
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// preg_match_all is not multibyte-safe
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foreach ($matches as &$match) {
$match[1] = mb_strlen(substr($body_tmp, 0, $match[1]));
}
if (isset($cited_posts[$cite])) {
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$replacement = '<a onclick="highlightReply(\''.$cite.'\');" href="' .
$config['root'] . $board['dir'] . $config['dir']['res'] .
($cited_posts[$cite] ? $cited_posts[$cite] : $cite) . '.html#' . $cite . '">' .
'&gt;&gt;' . $cite .
'</a>';
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$body = mb_substr_replace($body, $matches[1][0] . $replacement . $matches[3][0], $matches[0][1] + $skip_chars, mb_strlen($matches[0][0]));
$skip_chars += mb_strlen($matches[1][0] . $replacement . $matches[3][0]) - mb_strlen($matches[0][0]);
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if ($track_cites && $config['track_cites'])
$tracked_cites[] = array($board['uri'], $cite);
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}
}
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}
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// Cross-board linking
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if (preg_match_all('/(^|\s)&gt;&gt;&gt;\/(' . $config['board_regex'] . 'f?)\/(\d+)?([\s,.)?]|$)/um', $body, $cites, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
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if (count($cites[0]) > $config['max_cites']) {
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error($config['error']['toomanycross']);
}
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$skip_chars = 0;
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$body_tmp = $body;
if (isset($cited_posts)) {
// Carry found posts from local board >>X links
foreach ($cited_posts as $cite => $thread) {
$cited_posts[$cite] = $config['root'] . $board['dir'] . $config['dir']['res'] .
($thread ? $thread : $cite) . '.html#' . $cite;
}
$cited_posts = array(
$board['uri'] => $cited_posts
);
} else
$cited_posts = array();
$crossboard_indexes = array();
$search_cites_boards = array();
foreach ($cites as $matches) {
$_board = $matches[2][0];
$cite = @$matches[3][0];
if (!isset($search_cites_boards[$_board]))
$search_cites_boards[$_board] = array();
$search_cites_boards[$_board][] = $cite;
}
$tmp_board = $board['uri'];
foreach ($search_cites_boards as $_board => $search_cites) {
$clauses = array();
foreach ($search_cites as $cite) {
if (!$cite || isset($cited_posts[$_board][$cite]))
continue;
$clauses[] = '`id` = ' . $cite;
}
$clauses = array_unique($clauses);
if ($board['uri'] != $_board) {
if (!openBoard($_board))
continue; // Unknown board
}
if (!empty($clauses)) {
$cited_posts[$_board] = array();
$query = query(sprintf('SELECT `thread`, `id` FROM ``posts_%s`` WHERE ' .
implode(' OR ', $clauses), $board['uri'])) or error(db_error());
while ($cite = $query->fetch(PDO::FETCH_ASSOC)) {
$cited_posts[$_board][$cite['id']] = $config['root'] . $board['dir'] . $config['dir']['res'] .
($cite['thread'] ? $cite['thread'] : $cite['id']) . '.html#' . $cite['id'];
}
}
$crossboard_indexes[$_board] = $config['root'] . $board['dir'] . $config['file_index'];
}
// Restore old board
if ($board['uri'] != $tmp_board)
openBoard($tmp_board);
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foreach ($cites as $matches) {
$_board = $matches[2][0];
$cite = @$matches[3][0];
2013-07-31 09:13:51 +02:00
// preg_match_all is not multibyte-safe
2013-07-31 09:12:06 +02:00
foreach ($matches as &$match) {
$match[1] = mb_strlen(substr($body_tmp, 0, $match[1]));
}
if ($cite) {
if (isset($cited_posts[$_board][$cite])) {
$link = $cited_posts[$_board][$cite];
$replacement = '<a ' .
($_board == $board['uri'] ?
'onclick="highlightReply(\''.$cite.'\');" '
: '') . 'href="' . $link . '">' .
'&gt;&gt;&gt;/' . $_board . '/' . $cite .
'</a>';
2013-07-31 09:12:06 +02:00
$body = mb_substr_replace($body, $matches[1][0] . $replacement . $matches[4][0], $matches[0][1] + $skip_chars, mb_strlen($matches[0][0]));
2013-07-26 17:01:13 +02:00
$skip_chars += mb_strlen($matches[1][0] . $replacement . $matches[4][0]) - mb_strlen($matches[0][0]);
if ($track_cites && $config['track_cites'])
$tracked_cites[] = array($_board, $cite);
2011-04-06 11:18:36 +02:00
}
} elseif(isset($crossboard_indexes[$_board])) {
$replacement = '<a href="' . $crossboard_indexes[$_board] . '">' .
'&gt;&gt;&gt;/' . $_board . '/' .
'</a>';
$body = mb_substr_replace($body, $matches[1][0] . $replacement . $matches[4][0], $matches[0][1] + $skip_chars, mb_strlen($matches[0][0]));
$skip_chars += mb_strlen($matches[1][0] . $replacement . $matches[4][0]) - mb_strlen($matches[0][0]);
2010-11-02 11:57:33 +01:00
}
}
}
$tracked_cites = array_unique($tracked_cites, SORT_REGULAR);
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$body = preg_replace("/^\s*&gt;.*$/m", '<span class="quote">$0</span>', $body);
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if ($config['strip_superfluous_returns'])
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$body = preg_replace('/\s+$/', '', $body);
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$body = preg_replace("/\n/", '<br/>', $body);
if ($config['markup_repair_tidy']) {
$tidy = new tidy();
$body = str_replace("\t", '&#09;', $body);
$body = $tidy->repairString($body, array(
'doctype' => 'omit',
'bare' => true,
'literal-attributes' => true,
'indent' => false,
'show-body-only' => true,
'wrap' => 0,
'output-bom' => false,
'output-html' => true,
'newline' => 'LF',
'quiet' => true,
), 'utf8');
$body = str_replace("\n", '', $body);
}
// replace tabs with 8 spaces
$body = str_replace("\t", ' ', $body);
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return $tracked_cites;
}
2010-11-04 15:39:02 +01:00
function escape_markup_modifiers($string) {
2013-08-17 09:56:38 +02:00
return preg_replace('@<(tinyboard) ([\w\s]+)>@mi', '<$1 escape $2>', $string);
}
2012-04-11 18:49:22 +02:00
function utf8tohtml($utf8) {
return htmlspecialchars($utf8, ENT_NOQUOTES, 'UTF-8');
2012-04-11 18:49:22 +02:00
}
2010-11-04 15:39:02 +01:00
function ordutf8($string, &$offset) {
$code = ord(substr($string, $offset,1));
if ($code >= 128) { // otherwise 0xxxxxxx
if ($code < 224)
$bytesnumber = 2; // 110xxxxx
else if ($code < 240)
$bytesnumber = 3; // 1110xxxx
else if ($code < 248)
$bytesnumber = 4; // 11110xxx
$codetemp = $code - 192 - ($bytesnumber > 2 ? 32 : 0) - ($bytesnumber > 3 ? 16 : 0);
for ($i = 2; $i <= $bytesnumber; $i++) {
$offset ++;
$code2 = ord(substr($string, $offset, 1)) - 128; //10xxxxxx
$codetemp = $codetemp*64 + $code2;
}
$code = $codetemp;
}
$offset += 1;
if ($offset >= strlen($string))
$offset = -1;
return $code;
}
function strip_combining_chars($str) {
$chars = preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY);
$str = '';
2013-07-29 02:46:00 +02:00
foreach ($chars as $char) {
$o = 0;
$ord = ordutf8($char, $o);
if ($ord >= 768 && $ord <= 879)
continue;
if ($ord >= 7616 && $ord <= 7679)
continue;
if ($ord >= 8400 && $ord <= 8447)
continue;
if ($ord >= 65056 && $ord <= 65071)
continue;
$str .= $char;
}
return $str;
}
function buildThread($id, $return = false, $mod = false) {
global $board, $config, $build_pages;
2012-04-11 18:49:22 +02:00
$id = round($id);
2012-04-12 16:18:19 +02:00
if (event('build-thread', $id))
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return;
2012-04-12 16:18:19 +02:00
if ($config['cache']['enabled'] && !$mod) {
2012-04-11 18:49:22 +02:00
// Clear cache
cache::delete("thread_index_{$board['uri']}_{$id}");
cache::delete("thread_{$board['uri']}_{$id}");
2011-04-13 12:02:58 +02:00
}
$query = prepare(sprintf("SELECT * FROM ``posts_%s`` WHERE (`thread` IS NULL AND `id` = :id) OR `thread` = :id ORDER BY `thread`,`id`", $board['uri']));
2012-04-11 18:49:22 +02:00
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
2013-08-01 02:51:43 +02:00
while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
2012-04-12 16:18:19 +02:00
if (!isset($thread)) {
$thread = new Thread($post, $mod ? '?/' : $config['root'], $mod);
2010-11-02 11:57:33 +01:00
} else {
$thread->add(new Post($post, $mod ? '?/' : $config['root'], $mod));
2010-11-02 11:57:33 +01:00
}
}
2012-04-11 18:49:22 +02:00
// Check if any posts were found
2012-04-12 16:18:19 +02:00
if (!isset($thread))
2012-04-11 18:49:22 +02:00
error($config['error']['nonexistant']);
$hasnoko50 = $thread->postCount() >= $config['noko50_min'];
$antibot = $mod || $return ? false : create_antibot($board['uri'], $id);
2012-04-11 18:49:22 +02:00
$body = Element('thread.html', array(
'board' => $board,
'thread' => $thread,
'body' => $thread->build(),
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'config' => $config,
'id' => $id,
'mod' => $mod,
'hasnoko50' => $hasnoko50,
'isnoko50' => false,
'antibot' => $antibot,
2012-04-11 18:49:22 +02:00
'boardlist' => createBoardlist($mod),
'return' => ($mod ? '?' . $board['url'] . $config['file_index'] : $config['root'] . $board['dir'] . $config['file_index'])
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));
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if ($config['try_smarter'] && !$mod)
$build_pages[] = thread_find_page($id);
// json api
if ($config['api']['enabled']) {
2013-08-20 23:35:16 +02:00
$api = new Api();
$json = json_encode($api->translateThread($thread));
2013-08-21 14:43:35 +02:00
$jsonFilename = $board['dir'] . $config['dir']['res'] . $id . '.json';
file_write($jsonFilename, $json);
}
if ($return) {
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return $body;
} else {
$noko50fn = $board['dir'] . $config['dir']['res'] . sprintf($config['file_page50'], $id);
if ($hasnoko50 || file_exists($noko50fn)) {
buildThread50($id, $return, $mod, $thread, $antibot);
}
file_write($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $id), $body);
}
}
function buildThread50($id, $return = false, $mod = false, $thread = null, $antibot = false) {
global $board, $config, $build_pages;
$id = round($id);
if ($antibot)
$antibot->reset();
if (!$thread) {
$query = prepare(sprintf("SELECT * FROM ``posts_%s`` WHERE (`thread` IS NULL AND `id` = :id) OR `thread` = :id ORDER BY `thread`,`id` DESC LIMIT :limit", $board['uri']));
$query->bindValue(':id', $id, PDO::PARAM_INT);
$query->bindValue(':limit', $config['noko50_count']+1, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
$num_images = 0;
while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
if (!isset($thread)) {
$thread = new Thread($post, $mod ? '?/' : $config['root'], $mod);
} else {
if ($post['file'])
$num_images++;
2013-08-16 16:10:18 +02:00
$thread->add(new Post($post, $mod ? '?/' : $config['root'], $mod));
}
}
// Check if any posts were found
if (!isset($thread))
error($config['error']['nonexistant']);
if ($query->rowCount() == $config['noko50_count']+1) {
$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', $id, PDO::PARAM_INT);
$count->execute() or error(db_error($count));
$c = $count->fetch();
$thread->omitted = $c['num'] - $config['noko50_count'];
$c = $count->fetch();
$thread->omitted_images = $c['num'] - $num_images;
}
$thread->posts = array_reverse($thread->posts);
} else {
$allPosts = $thread->posts;
$thread->posts = array_slice($allPosts, -$config['noko50_count']);
$thread->omitted += count($allPosts) - count($thread->posts);
foreach ($allPosts as $index => $post) {
if ($index == count($allPosts)-count($thread->posts))
break;
if ($post->file)
$thread->omitted_images++;
}
}
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$hasnoko50 = $thread->postCount() >= $config['noko50_min'];
$body = Element('thread.html', array(
'board' => $board,
'thread' => $thread,
'body' => $thread->build(false, true),
'config' => $config,
'id' => $id,
'mod' => $mod,
'hasnoko50' => $hasnoko50,
'isnoko50' => true,
'antibot' => $mod ? false : ($antibot ? $antibot : create_antibot($board['uri'], $id)),
'boardlist' => createBoardlist($mod),
'return' => ($mod ? '?' . $board['url'] . $config['file_index'] : $config['root'] . $board['dir'] . $config['file_index'])
));
if ($return) {
return $body;
} else {
file_write($board['dir'] . $config['dir']['res'] . sprintf($config['file_page50'], $id), $body);
}
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}
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function rrmdir($dir) {
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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."/".$object);
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}
}
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reset($objects);
rmdir($dir);
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}
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}
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function poster_id($ip, $thread) {
global $config;
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if ($id = event('poster-id', $ip, $thread))
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return $id;
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// Confusing, hard to brute-force, but simple algorithm
return substr(sha1(sha1($ip . $config['secure_trip_salt'] . $thread) . $config['secure_trip_salt']), 0, $config['poster_id_length']);
}
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function generate_tripcode($name) {
global $config;
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if ($trip = event('tripcode', $name))
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return $trip;
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if (!preg_match('/^([^#]+)?(##|#)(.+)$/', $name, $match))
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return array($name);
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$name = $match[1];
$secure = $match[2] == '##';
$trip = $match[3];
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// convert to SHIT_JIS encoding
$trip = mb_convert_encoding($trip, 'Shift_JIS', 'UTF-8');
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// generate salt
$salt = substr($trip . 'H..', 1, 2);
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$salt = preg_replace('/[^.-z]/', '.', $salt);
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$salt = strtr($salt, ':;<=>?@[\]^_`', 'ABCDEFGabcdef');
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if ($secure) {
if (isset($config['custom_tripcode']["##{$trip}"]))
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$trip = $config['custom_tripcode']["##{$trip}"];
else
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$trip = '!!' . substr(crypt($trip, '_..A.' . substr(base64_encode(sha1($trip . $config['secure_trip_salt'], true)), 0, 4)), -10);
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} else {
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if (isset($config['custom_tripcode']["#{$trip}"]))
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$trip = $config['custom_tripcode']["#{$trip}"];
else
$trip = '!' . substr(crypt($trip, $salt), -10);
}
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return array($name, $trip);
}
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// Highest common factor
function hcf($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 {
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for ($i=round($a/2);$i;$i--) {
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if ($a == round($a/$i)*$i && $b == round($b/$i)*$i) {
$gcd = $i;
$i = false;
}
}
}
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return $gcd;
}
function fraction($numerator, $denominator, $sep) {
$gcf = hcf($numerator, $denominator);
$numerator = $numerator / $gcf;
$denominator = $denominator / $gcf;
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return "{$numerator}{$sep}{$denominator}";
}
function getPostByHash($hash) {
global $board;
$query = prepare(sprintf("SELECT `id`,`thread` FROM ``posts_%s`` WHERE `filehash` = :hash", $board['uri']));
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$query->bindValue(':hash', $hash, PDO::PARAM_STR);
$query->execute() or error(db_error($query));
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if ($post = $query->fetch(PDO::FETCH_ASSOC)) {
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return $post;
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}
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return false;
}
function getPostByHashInThread($hash, $thread) {
global $board;
$query = prepare(sprintf("SELECT `id`,`thread` FROM ``posts_%s`` WHERE `filehash` = :hash AND ( `thread` = :thread OR `id` = :thread )", $board['uri']));
$query->bindValue(':hash', $hash, PDO::PARAM_STR);
$query->bindValue(':thread', $thread, PDO::PARAM_INT);
$query->execute() or error(db_error($query));
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if ($post = $query->fetch(PDO::FETCH_ASSOC)) {
return $post;
}
return false;
}
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function undoImage(array $post) {
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if (!$post['has_file'])
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return;
if (isset($post['file_path']))
file_unlink($post['file_path']);
if (isset($post['thumb_path']))
file_unlink($post['thumb_path']);
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}
function rDNS($ip_addr) {
global $config;
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if ($config['cache']['enabled'] && ($host = cache::get('rdns_' . $ip_addr))) {
return $host;
}
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if (!$config['dns_system']) {
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$host = gethostbyaddr($ip_addr);
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} else {
$resp = shell_exec_error('host -W 1 ' . $ip_addr);
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if (preg_match('/domain name pointer ([^\s]+)$/', $resp, $m))
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$host = $m[1];
else
$host = $ip_addr;
}
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if ($config['cache']['enabled'])
cache::set('rdns_' . $ip_addr, $host);
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return $host;
}
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function DNS($host) {
global $config;
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if ($config['cache']['enabled'] && ($ip_addr = cache::get('dns_' . $host))) {
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return $ip_addr != '?' ? $ip_addr : false;
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}
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if (!$config['dns_system']) {
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$ip_addr = gethostbyname($host);
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if ($ip_addr == $host)
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$ip_addr = false;
} else {
$resp = shell_exec_error('host -W 1 ' . $host);
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if (preg_match('/has address ([^\s]+)$/', $resp, $m))
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$ip_addr = $m[1];
else
$ip_addr = false;
}
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if ($config['cache']['enabled'])
cache::set('dns_' . $host, $ip_addr !== false ? $ip_addr : '?');
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return $ip_addr;
}
function shell_exec_error($command, $suppress_stdout = false) {
global $config, $debug;
if ($config['debug'])
$start = microtime(true);
$return = trim(shell_exec('PATH="' . escapeshellcmd($config['shell_path']) . ':$PATH";' .
$command . ' 2>&1 ' . ($suppress_stdout ? '> /dev/null ' : '') . '&& echo "TB_SUCCESS"'));
$return = preg_replace('/TB_SUCCESS$/', '', $return);
if ($config['debug']) {
$time = microtime(true) - $start;
$debug['exec'][] = array(
'command' => $command,
'time' => '~' . round($time * 1000, 2) . 'ms',
'response' => $return ? $return : null
);
$debug['time']['exec'] += $time;
}
return $return === 'TB_SUCCESS' ? false : $return;
}