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'] = $microtime_start; } } } function basic_error_function_because_the_other_isnt_loaded_yet($message, $priority = true) { global $config; if ($config['syslog'] && $priority !== false) { // Use LOG_NOTICE instead of LOG_ERR or LOG_WARNING because most error message are not significant. _syslog($priority !== true ? $priority : LOG_NOTICE, $message); } // Yes, this is horrible. die('Error' . '' . '

Error

' . $message . '
' . '

This alternative error page is being displayed because the other couldn\'t be found or hasn\'t loaded yet.

'); } function fatal_error_handler() { if ($error = error_get_last()) { if ($error['type'] == E_ERROR) { if (function_exists('error')) { error('Caught fatal error: ' . $error['message'] . ' in ' . $error['file'] . ' 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 ' . $error['line'], LOG_ERR); } } } } function _syslog($priority, $message) { if (isset($_SERVER['REMOTE_ADDR'], $_SERVER['REQUEST_METHOD'], $_SERVER['REQUEST_URI'])) { // CGI syslog($priority, $message . ' - client: ' . $_SERVER['REMOTE_ADDR'] . ', request: "' . $_SERVER['REQUEST_METHOD'] . ' ' . $_SERVER['REQUEST_URI'] . '"'); } else { syslog($priority, $message); } } function verbose_error_handler($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) { $group_name = strtoupper($group_name); if(!defined($group_name)) { define($group_name, $group_value, true); } } ksort($config['mod']['groups']); } function create_antibot($board, $thread = null) { require_once dirname(__FILE__) . '/anti-bot.php'; return _create_antibot($board, $thread); } function rebuildThemes($action, $boardname = false) { global $config, $board, $current_locale, $error; // Save the global variables $_config = $config; $_board = $board; // List themes if ($themes = Cache::get("themes")) { // OK, we already have themes loaded } else { $query = query("SELECT `theme` FROM ``theme_settings`` WHERE `name` IS NULL AND `value` IS NULL") or error(db_error()); $themes = array(); while ($theme = $query->fetch(PDO::FETCH_ASSOC)) { $themes[] = $theme; } Cache::set("themes", $themes); } foreach ($themes as $theme) { // Restore them $config = $_config; $board = $_board; // Reload the locale if ($config['locale'] != $current_locale) { $current_locale = $config['locale']; init_locale($config['locale'], $error); } rebuildTheme($theme['theme'], $action, $boardname); } // Restore them again $config = $_config; $board = $_board; // Reload the locale if ($config['locale'] != $current_locale) { $current_locale = $config['locale']; init_locale($config['locale'], $error); } } function loadThemeConfig($_theme) { global $config; if (!file_exists($config['dir']['themes'] . '/' . $_theme . '/info.php')) return false; // Load theme information into $theme include $config['dir']['themes'] . '/' . $_theme . '/info.php'; return $theme; } function rebuildTheme($theme, $action, $board = false) { global $config, $_theme; $_theme = $theme; $theme = loadThemeConfig($_theme); if (file_exists($config['dir']['themes'] . '/' . $_theme . '/theme.php')) { require_once $config['dir']['themes'] . '/' . $_theme . '/theme.php'; $theme['build_function']($action, themeSettings($_theme), $board); } } function themeSettings($theme) { if ($settings = Cache::get("theme_settings_".$theme)) { return $settings; } $query = prepare("SELECT `name`, `value` FROM ``theme_settings`` WHERE `theme` = :theme AND `name` IS NOT NULL"); $query->bindValue(':theme', $theme); $query->execute() or error(db_error($query)); $settings = array(); while ($s = $query->fetch(PDO::FETCH_ASSOC)) { $settings[$s['name']] = $s['value']; } Cache::set("theme_settings_".$theme, $settings); return $settings; } function sprintf3($str, $vars, $delim = '%') { $replaces = array(); foreach ($vars as $k => $v) { $replaces[$delim . $k . $delim] = $v; } return str_replace(array_keys($replaces), array_values($replaces), $str); } function mb_substr_replace($string, $replacement, $start, $length) { return mb_substr($string, 0, $start) . $replacement . mb_substr($string, $start + $length); } function setupBoard($array) { global $board, $config; $board = array( 'uri' => $array['uri'], 'title' => $array['title'], 'subtitle' => isset($array['subtitle']) ? $array['subtitle'] : "", 'indexed' => isset($array['indexed']) ? $array['indexed'] : true, 'public_logs' => isset($array['public_logs']) ? $array['public_logs'] : true, ); // older versions $board['name'] = &$board['title']; $board['dir'] = sprintf($config['board_path'], $board['uri']); $board['url'] = sprintf($config['board_abbreviation'], $board['uri']); loadConfig(); if (!file_exists($board['dir'])) @mkdir($board['dir'], 0777) or error("Couldn't create " . $board['dir'] . ". Check permissions.", true); if (!file_exists($config['dir']['img_root'] . $board['dir'] . $config['dir']['img'])) @mkdir($config['dir']['img_root'] . $board['dir'] . $config['dir']['img'], 0777) or error("Couldn't create " . $config['dir']['img_root'] . $board['dir'] . $config['dir']['img'] . ". Check permissions.", true); if (!file_exists($config['dir']['img_root'] . $board['dir'] . $config['dir']['thumb'])) @mkdir($config['dir']['img_root'] . $board['dir'] . $config['dir']['thumb'], 0777) or error("Couldn't create " . $config['dir']['img_root'] . $board['dir'] . $config['dir']['img'] . ". Check permissions.", true); if (!file_exists($board['dir'] . $config['dir']['res'])) @mkdir($board['dir'] . $config['dir']['res'], 0777) or error("Couldn't create " . $board['dir'] . $config['dir']['img'] . ". Check permissions.", true); } function openBoard($uri) { global $config, $build_pages; if ($config['try_smarter']) $build_pages = array(); $board = getBoardInfo($uri); if ($board) { setupBoard($board); if (function_exists('after_open_board')) { after_open_board(); } return true; } return false; } function getBoardInfo($uri) { global $config; if ($config['cache']['enabled'] && ($board = cache::get('board_' . $uri))) { return $board; } $query = prepare("SELECT * FROM ``boards`` WHERE `uri` = :uri LIMIT 1"); $query->bindValue(':uri', $uri); $query->execute() or error(db_error($query)); if ($board = $query->fetch(PDO::FETCH_ASSOC)) { if ($config['cache']['enabled']) cache::set('board_' . $uri, $board); return $board; } return false; } function boardTitle($uri) { $board = getBoardInfo($uri); if ($board) return $board['title']; return false; } function purge($uri) { global $config, $debug; if (!isset($config['purge'])) return; // Fix for Unicode $uri = rawurlencode($uri); $noescape = "/!~*()+:"; $noescape = preg_split('//', $noescape); $noescape_url = array_map("rawurlencode", $noescape); $uri = str_replace($noescape_url, $noescape, $uri); if (preg_match($config['referer_match'], $config['root']) && isset($_SERVER['REQUEST_URI'])) { $uri = (str_replace('\\', '/', dirname($_SERVER['REQUEST_URI'])) == '/' ? '/' : str_replace('\\', '/', dirname($_SERVER['REQUEST_URI'])) . '/') . $uri; } else { $uri = $config['root'] . $uri; } if ($config['debug']) { $debug['purge'][] = $uri; } foreach ($config['purge'] as &$purge) { $host = &$purge[0]; $port = &$purge[1]; $http_host = isset($purge[2]) ? $purge[2] : (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost'); $request = "PURGE {$uri} HTTP/1.1\r\nHost: {$http_host}\r\nUser-Agent: Tinyboard\r\nConnection: Close\r\n\r\n"; if ($fp = @fsockopen($host, $port, $errno, $errstr, $config['purge_timeout'])) { fwrite($fp, $request); fclose($fp); } else { // Cannot connect? error('Could not purge'); } } } function file_write($path, $data, $simple = false, $skip_purge = false) { global $config, $debug; if (preg_match('/^remote:\/\/(.+)\:(.+)$/', $path, $m)) { if (isset($config['remote'][$m[1]])) { require_once 'inc/remote.php'; $remote = new Remote($config['remote'][$m[1]]); $remote->write($data, $m[2]); return; } else { error('Invalid remote server: ' . $m[1]); } } if (!function_exists("dio_truncate")) { if (!$fp = fopen($path, $simple ? 'w' : 'c')) error('Unable to open file for writing: ' . $path); // File locking if (!$simple && !flock($fp, LOCK_EX)) error('Unable to lock file: ' . $path); // Truncate file if (!$simple && !ftruncate($fp, 0)) error('Unable to truncate file: ' . $path); // Write data if (($bytes = fwrite($fp, $data)) === false) error('Unable to write to file: ' . $path); // Unlock if (!$simple) flock($fp, LOCK_UN); // Close if (!fclose($fp)) error('Unable to close file: ' . $path); } else { if (!$fp = dio_open($path, O_WRONLY | O_CREAT, 0644)) error('Unable to open file for writing: ' . $path); // File locking if (dio_fcntl($fp, F_SETLKW, array('type' => F_WRLCK)) === -1) { error('Unable to lock file: ' . $path); } // Truncate file if (!dio_truncate($fp, 0)) error('Unable to truncate file: ' . $path); // Write data if (($bytes = dio_write($fp, $data)) === false) error('Unable to write to file: ' . $path); // Unlock dio_fcntl($fp, F_SETLK, array('type' => F_UNLCK)); // Close dio_close($fp); } /** * Create gzipped file. * * When writing into a file foo.bar and the size is larger or equal to 1 * KiB, this also produces the gzipped version foo.bar.gz * * This is useful with nginx with gzip_static on. */ if ($config['gzip_static']) { $gzpath = "$path.gz"; if ($bytes & ~0x3ff) { // if ($bytes >= 1024) if (file_put_contents($gzpath, gzencode($data), $simple ? 0 : LOCK_EX) === false) error("Unable to write to file: $gzpath"); if (!touch($gzpath, filemtime($path), fileatime($path))) error("Unable to touch file: $gzpath"); } else { @unlink($gzpath); } } if (!$skip_purge && isset($config['purge'])) { // Purge cache if (basename($path) == $config['file_index']) { // Index file (/index.html); purge "/" as well $uri = dirname($path); // root if ($uri == '.') $uri = ''; else $uri .= '/'; purge($uri); } purge($path); } if ($config['debug']) { $debug['write'][] = $path . ': ' . $bytes . ' bytes'; } event('write', $path); } function file_unlink($path) { global $config, $debug; if ($config['debug']) { if (!isset($debug['unlink'])) $debug['unlink'] = array(); $debug['unlink'][] = $path; } $ret = @unlink($path); if ($config['gzip_static']) { $gzpath = "$path.gz"; @unlink($gzpath); } if (isset($config['purge']) && $path[0] != '/' && isset($_SERVER['HTTP_HOST'])) { // Purge cache if (basename($path) == $config['file_index']) { // Index file (/index.html); purge "/" as well $uri = dirname($path); // root if ($uri == '.') $uri = ''; else $uri .= '/'; purge($uri); } purge($path); } event('unlink', $path); return $ret; } function hasPermission($action = null, $board = null, $_mod = null) { global $config; if (isset($_mod)) $mod = &$_mod; else global $mod; if (!is_array($mod)) return false; if (isset($action) && $mod['type'] < $action) return false; if (!isset($board) || $config['mod']['skip_per_board']) return true; if (!isset($mod['boards'])) return false; if (!in_array('*', $mod['boards']) && !in_array($board, $mod['boards'])) return false; return true; } function listBoards($just_uri = false, $indexed_only = false) { global $config; $just_uri ? $cache_name = 'all_boards_uri' : $cache_name = 'all_boards'; $indexed_only ? $cache_name .= 'indexed' : false; if ($config['cache']['enabled'] && ($boards = cache::get($cache_name))) return $boards; if (!$just_uri) { $query = query( "SELECT ``boards``.`uri` uri, ``boards``.`title` title, ``boards``.`subtitle` subtitle, ``board_create``.`time` time, ``boards``.`indexed` indexed, ``boards``.`sfw` sfw, ``boards``.`posts_total` posts_total FROM ``boards`` LEFT JOIN ``board_create`` ON ``boards``.`uri` = ``board_create``.`uri`" . ( $indexed_only ? " WHERE `indexed` = 1 " : "" ) . "ORDER BY ``boards``.`uri`") or error(db_error()); $boards = $query->fetchAll(PDO::FETCH_ASSOC); } else { $boards = array(); $query = query("SELECT `uri` FROM ``boards``" . ( $indexed_only ? " WHERE `indexed` = 1" : "" ) . " ORDER BY ``boards``.`uri`") or error(db_error()); while (true) { $board = $query->fetchColumn(); if ($board === FALSE) break; $boards[] = $board; } } if ($config['cache']['enabled']) cache::set($cache_name, $boards); return $boards; } function loadBoardConfig( $uri ) { $config = array( "locale" => "en_US", ); $configPath = "./{$uri}/config.php"; if (file_exists( $configPath ) && is_readable( $configPath )) { include( $configPath ); } // **DO NOT** use $config outside of this local scope. // It's used by our global config array. return $config; } function fetchBoardActivity( array $uris = array(), $forTime = false, $detailed = false ) { global $config; // Set our search time for now if we didn't pass one. if (!is_integer($forTime)) { $forTime = time(); } // Get the last hour for this timestamp. $nowHour = ( (int)( time() / 3600 ) * 3600 ); // Get the hour before. This is what we actually use for pulling data. $forHour = ( (int)( $forTime / 3600 ) * 3600 ) - 3600; // Get the hour from yesterday to calculate posts per day. $yesterHour = $forHour - ( 3600 * 23 ); $boardActivity = array( 'active' => array(), 'today' => array(), 'average' => array(), 'last' => array(), ); // Query for stats for these boards. if (count($uris)) { $uriSearch = "`stat_uri` IN (\"" . implode( (array) $uris, "\",\"" ) . "\") AND "; } else { $uriSearch = ""; } if ($detailed === true) { $bsQuery = prepare("SELECT `stat_uri`, `stat_hour`, `post_count`, `author_ip_array` FROM ``board_stats`` WHERE {$uriSearch} ( `stat_hour` <= :hour AND `stat_hour` >= :hoursago )"); $bsQuery->bindValue(':hour', $forHour, PDO::PARAM_INT); $bsQuery->bindValue(':hoursago', $forHour - ( 3600 * 72 ), PDO::PARAM_INT); $bsQuery->execute() or error(db_error($bsQuery)); $bsResult = $bsQuery->fetchAll(PDO::FETCH_ASSOC); // Format the results. foreach ($bsResult as $bsRow) { // Do we need to define the arrays for this URI? if (!isset($boardActivity['active'][$bsRow['stat_uri']])) { // We are operating under the assumption that no arrays exist. // Because of that, we are flat defining their values. // Set the last hour count to 0 in case this isn't the row from this hour. $boardActivity['last'][$bsRow['stat_uri']] = 0; // If this post was made in the last 24 hours, define 'today' with it. if ($bsRow['stat_hour'] <= $forHour && $bsRow['stat_hour'] >= $yesterHour) { $boardActivity['today'][$bsRow['stat_uri']] = $bsRow['post_count']; // If this post was made the last hour, redefine 'last' with it. if ($bsRow['stat_hour'] == $forHour) { $boardActivity['last'][$bsRow['stat_uri']] = $bsRow['post_count']; } } else { // First record was not made today, define as zero. $boardActivity['today'][$bsRow['stat_uri']] = 0; } // Set the active posters as the unserialized array. $boardActivity['active'][$bsRow['stat_uri']] = unserialize( $bsRow['author_ip_array'] ); // Start the average PPH off at the current post count. $boardActivity['average'][$bsRow['stat_uri']] = $bsRow['post_count']; } else { // These arrays ARE defined so we ARE going to assume they exist and compound their values. // If this row came from today, add its post count to 'today'. if ($bsRow['stat_hour'] <= $forHour && $bsRow['stat_hour'] >= $yesterHour) { $boardActivity['today'][$bsRow['stat_uri']] += $bsRow['post_count']; // If this post came from this hour, set it to the post count. // This is an explicit set because we should never get two rows from the same hour. if ($bsRow['stat_hour'] == $forHour) { $boardActivity['last'][$bsRow['stat_uri']] = $bsRow['post_count']; } } // Merge our active poster arrays. Unique counting is done below. $boardActivity['active'][$bsRow['stat_uri']] = array_merge( $boardActivity['active'][$bsRow['stat_uri']], unserialize( $bsRow['author_ip_array'] ) ); // Add our post count to the average. Averaging is done below. $boardActivity['average'][$bsRow['stat_uri']] += $bsRow['post_count']; } } // Count the unique posters for each board. foreach ($boardActivity['active'] as &$activity) { $activity = count( array_unique( $activity ) ); } // Average the number of posts made for each board. foreach ($boardActivity['average'] as &$activity) { $activity /= 72; } } // Simple return. else { $bsQuery = prepare("SELECT SUM(`post_count`) AS `post_count` FROM ``board_stats`` WHERE {$uriSearch} ( `stat_hour` = :hour )"); $bsQuery->bindValue(':hour', $forHour, PDO::PARAM_INT); $bsQuery->execute() or error(db_error($bsQuery)); $bsResult = $bsQuery->fetchAll(PDO::FETCH_ASSOC); $boardActivity = $bsResult[0]['post_count']; } return $boardActivity; } function fetchBoardTags( $uris ) { global $config; $boardTags = array(); $uris = "\"" . implode( (array) $uris, "\",\"" ) . "\""; $tagQuery = prepare("SELECT * FROM ``board_tags`` WHERE `uri` IN ({$uris})"); $tagQuery->execute() or error(db_error($tagQuery)); $tagResult = $tagQuery->fetchAll(PDO::FETCH_ASSOC); if ($tagResult) { foreach ($tagResult as $tagRow) { $tag = $tagRow['tag']; $tag = trim($tag); $tag = strtolower($tag); $tag = str_replace(['_', ' '], '-', $tag); if (!isset($boardTags[ $tagRow['uri'] ])) { $boardTags[ $tagRow['uri'] ] = array(); } $boardTags[ $tagRow['uri'] ][] = htmlentities( utf8_encode( $tag ) ); } } return $boardTags; } function until($timestamp) { $difference = $timestamp - time(); switch(TRUE){ case ($difference < 60): return $difference . ' ' . ngettext('second', 'seconds', $difference); case ($difference < 3600): //60*60 = 3600 return ($num = round($difference/(60))) . ' ' . ngettext('minute', 'minutes', $num); case ($difference < 86400): //60*60*24 = 86400 return ($num = round($difference/(3600))) . ' ' . ngettext('hour', 'hours', $num); case ($difference < 604800): //60*60*24*7 = 604800 return ($num = round($difference/(86400))) . ' ' . ngettext('day', 'days', $num); case ($difference < 31536000): //60*60*24*365 = 31536000 return ($num = round($difference/(604800))) . ' ' . ngettext('week', 'weeks', $num); default: return ($num = round($difference/(31536000))) . ' ' . ngettext('year', 'years', $num); } } function ago($timestamp) { $difference = time() - $timestamp; switch(TRUE){ case ($difference < 60) : return $difference . ' ' . ngettext('second', 'seconds', $difference); case ($difference < 3600): //60*60 = 3600 return ($num = round($difference/(60))) . ' ' . ngettext('minute', 'minutes', $num); case ($difference < 86400): //60*60*24 = 86400 return ($num = round($difference/(3600))) . ' ' . ngettext('hour', 'hours', $num); case ($difference < 604800): //60*60*24*7 = 604800 return ($num = round($difference/(86400))) . ' ' . ngettext('day', 'days', $num); case ($difference < 31536000): //60*60*24*365 = 31536000 return ($num = round($difference/(604800))) . ' ' . ngettext('week', 'weeks', $num); default: return ($num = round($difference/(31536000))) . ' ' . ngettext('year', 'years', $num); } } function displayBan($ban) { global $config, $board; if (!$ban['seen']) { Bans::seen($ban['id']); } $ban['ip'] = $_SERVER['REMOTE_ADDR']; if ($ban['post'] && isset($ban['post']['board'], $ban['post']['id'])) { if (openBoard($ban['post']['board'])) { $query = query(sprintf("SELECT `files` FROM ``posts_%s`` WHERE `id` = " . (int)$ban['post']['id'], $board['uri'])); if ($_post = $query->fetch(PDO::FETCH_ASSOC)) { $ban['post'] = array_merge($ban['post'], $_post); } } if ($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']; } } } // Show banned page and exit die( Element('page.html', array( 'title' => _('Banned!'), 'config' => $config, 'nojavascript' => true, 'body' => Element('banned.html', array( 'config' => $config, 'ban' => $ban, 'board' => $board, 'post' => isset($post) ? $post->build(true) : false, 'denied_appeals' => $denied_appeals, 'pending_appeal' => $pending_appeal ) )) )); } function checkBan($board = false) { global $config; if (!isset($_SERVER['REMOTE_ADDR'])) { // Server misconfiguration return; } if (event('check-ban', $board)) return true; $bans = Bans::find($_SERVER['REMOTE_ADDR'], $board, $config['show_modname']); foreach ($bans as &$ban) { if ($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))); } } } // 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')) { if (time() - $last_time_purged < $config['purge_bans'] ) return; } //Bans::purge(); if ($config['cache']['enabled']) cache::set('purged_bans_last', time()); } function threadLocked($id) { global $board; if (event('check-locked', $id)) return true; $query = prepare(sprintf("SELECT `locked` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error()); if (($locked = $query->fetchColumn()) === false) { // Non-existant, so it can't be locked... return false; } return (bool)$locked; } function threadSageLocked($id) { global $board; if (event('check-sage-locked', $id)) return true; $query = prepare(sprintf("SELECT `sage` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error()); if (($sagelocked = $query->fetchColumn()) === false) { // Non-existant, so it can't be locked... return false; } return (bool)$sagelocked; } function threadExists($id) { global $board; $query = prepare(sprintf("SELECT 1 FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL LIMIT 1", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error()); if ($query->rowCount()) { return true; } return false; } 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()); $query->bindValue(':posthash', make_comment_hex($post['body_nomarkup'])); if ($post['has_file']) { $query->bindValue(':filehash', $post['filehash']); } else { $query->bindValue(':filehash', null, PDO::PARAM_NULL); } $query->bindValue(':isreply', !$post['op'], PDO::PARAM_INT); $query->execute() or error(db_error($query)); } 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, :files, :num_files, :filehash, :password, :ip, :sticky, :locked, :cycle, 0, :embed, NULL)", $board['uri'])); // Basic stuff if (!empty($post['subject'])) { $query->bindValue(':subject', $post['subject']); } else { $query->bindValue(':subject', null, PDO::PARAM_NULL); } if (!empty($post['email'])) { $query->bindValue(':email', $post['email']); } else { $query->bindValue(':email', null, PDO::PARAM_NULL); } if (!empty($post['trip'])) { $query->bindValue(':trip', $post['trip']); } else { $query->bindValue(':trip', null, PDO::PARAM_NULL); } $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); } else { $query->bindValue(':sticky', false, PDO::PARAM_INT); } if ($post['op'] && $post['mod'] && isset($post['locked']) && $post['locked']) { $query->bindValue(':locked', true, PDO::PARAM_INT); } else { $query->bindValue(':locked', false, PDO::PARAM_INT); } if ($post['op'] && $post['mod'] && isset($post['cycle']) && $post['cycle']) { $query->bindValue(':cycle', true, PDO::PARAM_INT); } else { $query->bindValue(':cycle', false, PDO::PARAM_INT); } if ($post['mod'] && isset($post['capcode']) && $post['capcode']) { $query->bindValue(':capcode', $post['capcode'], PDO::PARAM_INT); } else { $query->bindValue(':capcode', null, PDO::PARAM_NULL); } if (!empty($post['embed'])) { $query->bindValue(':embed', $post['embed']); } else { $query->bindValue(':embed', null, PDO::PARAM_NULL); } if ($post['op']) { // No parent thread, image $query->bindValue(':thread', null, PDO::PARAM_NULL); } else { $query->bindValue(':thread', $post['thread'], PDO::PARAM_INT); } if ($post['has_file']) { $query->bindValue(':files', json_encode($post['files'])); $query->bindValue(':num_files', $post['num_files']); $query->bindValue(':filehash', $post['filehash']); } else { $query->bindValue(':files', null, PDO::PARAM_NULL); $query->bindValue(':num_files', 0); $query->bindValue(':filehash', null, PDO::PARAM_NULL); } if (!$query->execute()) { undoImage($post); error(db_error($query)); } return $pdo->lastInsertId(); } function bumpThread($id) { global $config, $board, $build_pages; if (event('bump', $id)) return true; if ($config['try_smarter']) { $build_pages = array_merge(range(1, thread_find_page($id)), $build_pages); } $query = prepare(sprintf("UPDATE ``posts_%s`` SET `bump` = :time WHERE `id` = :id AND `thread` IS NULL", $board['uri'])); $query->bindValue(':time', time(), PDO::PARAM_INT); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); } // Remove file from post function deleteFile($id, $remove_entirely_if_already=true, $file=null) { global $board, $config; $query = prepare(sprintf("SELECT `thread`, `files`, `num_files` FROM ``posts_%s`` WHERE `id` = :id LIMIT 1", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); if (!$post = $query->fetch(PDO::FETCH_ASSOC)) error($config['error']['invalidpost']); $files = json_decode($post['files']); $file_to_delete = $file !== false ? $files[(int)$file] : (object)array('file' => false); if (!$files[0]) error(_('That post has no files.')); if ($files[0]->file == 'deleted' && $post['num_files'] == 1 && !$post['thread']) return; // Can't delete OP's image completely. $query = prepare(sprintf("UPDATE ``posts_%s`` SET `files` = :file WHERE `id` = :id", $board['uri'])); if (($file && $file_to_delete->file == 'deleted') && $remove_entirely_if_already) { // Already deleted; remove file fully $files[$file] = null; } else { foreach ($files as $i => $f) { if (($file !== false && $i == $file) || $file === null) { // Delete thumbnail file_unlink($config['dir']['img_root'] . $board['dir'] . $config['dir']['thumb'] . $f->thumb); unset($files[$i]->thumb); // Delete file file_unlink($config['dir']['img_root'] . $board['dir'] . $config['dir']['img'] . $f->file); $files[$i]->file = 'deleted'; } } } $query->bindValue(':file', json_encode($files), PDO::PARAM_STR); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); if ($post['thread']) buildThread($post['thread']); else buildThread($id); } // rebuild post (markup) function rebuildPost($id) { global $board, $mod; $query = prepare(sprintf("SELECT * FROM ``posts_%s`` WHERE `id` = :id", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); if ((!$post = $query->fetch(PDO::FETCH_ASSOC)) || !$post['body_nomarkup']) return false; markup($post['body'] = &$post['body_nomarkup']); $post = (object)$post; event('rebuildpost', $post); $post = (array)$post; $query = prepare(sprintf("UPDATE ``posts_%s`` SET `body` = :body WHERE `id` = :id", $board['uri'])); $query->bindValue(':body', $post['body']); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); buildThread($post['thread'] ? $post['thread'] : $id); return true; } // Delete a post (reply or thread) function deletePost($id, $error_if_doesnt_exist=true, $rebuild_after=true) { global $board, $config; // Select post and replies (if thread) in one query $query = prepare(sprintf("SELECT `id`,`thread`,`files` FROM ``posts_%s`` WHERE `id` = :id OR `thread` = :id", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); if ($query->rowCount() < 1) { if ($error_if_doesnt_exist) error($config['error']['invalidpost']); else return false; } $ids = array(); // Delete posts and maybe replies while ($post = $query->fetch(PDO::FETCH_ASSOC)) { event('delete', $post); if (!$post['thread']) { // 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'], $post['id'])); @file_unlink($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)); } elseif ($query->rowCount() == 1) { // Rebuild thread $rebuild = &$post['thread']; } if ($post['files']) { // Delete file foreach (json_decode($post['files']) as $i => $f) { if (isset($f->file, $f->thumb) && $f->file !== 'deleted') { @file_unlink($config['dir']['img_root'] . $board['dir'] . $config['dir']['img'] . $f->file); @file_unlink($config['dir']['img_root'] . $board['dir'] . $config['dir']['thumb'] . $f->thumb); } } } $ids[] = (int)$post['id']; } $query = prepare(sprintf("DELETE FROM ``posts_%s`` WHERE `id` = :id OR `thread` = :id", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); $query = prepare("SELECT `board`, `post` FROM ``cites`` WHERE `target_board` = :board AND (`target` = " . implode(' OR `target` = ', $ids) . ") ORDER BY `board`"); $query->bindValue(':board', $board['uri']); $query->execute() or error(db_error($query)); while ($cite = $query->fetch(PDO::FETCH_ASSOC)) { if ($board['uri'] != $cite['board']) { if (!isset($tmp_board)) $tmp_board = $board['uri']; openBoard($cite['board']); } rebuildPost($cite['post']); } if (isset($tmp_board)) openBoard($tmp_board); $query = prepare("DELETE FROM ``cites`` WHERE (`target_board` = :board AND (`target` = " . implode(' OR `target` = ', $ids) . ")) OR (`board` = :board AND (`post` = " . implode(' OR `post` = ', $ids) . "))"); $query->bindValue(':board', $board['uri']); $query->execute() or error(db_error($query)); if (isset($rebuild) && $rebuild_after) { buildThread($rebuild); buildIndex(); } return true; } function clean($pid = false) { global $board, $config; $offset = round($config['max_pages']*$config['threads_per_page']); // I too wish there was an easier way of doing this... $query = prepare(sprintf("SELECT `id` FROM ``posts_%s`` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT :offset, 9001", $board['uri'])); $query->bindValue(':offset', $offset, PDO::PARAM_INT); $query->execute() or error(db_error($query)); while ($post = $query->fetch(PDO::FETCH_ASSOC)) { deletePost($post['id'], false, false); if ($pid) modLog("Automatically deleting thread #{$post['id']} due to new thread #{$pid}"); } // Bump off threads with X replies earlier, spam prevention method if ($config['early_404']) { $offset = round($config['early_404_page']*$config['threads_per_page']); $query = prepare(sprintf("SELECT `id` AS `thread_id`, (SELECT COUNT(`id`) FROM ``posts_%s`` WHERE `thread` = `thread_id`) AS `reply_count` FROM ``posts_%s`` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT :offset, 9001", $board['uri'], $board['uri'])); $query->bindValue(':offset', $offset, PDO::PARAM_INT); $query->execute() or error(db_error($query)); while ($post = $query->fetch(PDO::FETCH_ASSOC)) { if ($post['reply_count'] < $config['early_404_replies']) { deletePost($post['thread_id'], false, false); if ($pid) modLog("Automatically deleting thread #{$post['thread_id']} due to new thread #{$pid} (early 404 is set, #{$post['thread_id']} had {$post['reply_count']} replies)"); } } } } function thread_find_page($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) / $config['threads_per_page']); } function index($page, $mod=false) { global $board, $config, $debug; $body = ''; $offset = round($page*$config['threads_per_page']-$config['threads_per_page']); $query = prepare(sprintf("SELECT * FROM ``posts_%s`` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT :offset,:threads_per_page", $board['uri'])); $query->bindValue(':offset', $offset, PDO::PARAM_INT); $query->bindValue(':threads_per_page', $config['threads_per_page'], PDO::PARAM_INT); $query->execute() or error(db_error($query)); if ($page == 1 && $query->rowCount() < $config['threads_per_page']) $board['thread_count'] = $query->rowCount(); if ($query->rowCount() < 1 && $page > 1) return false; $threads = array(); while ($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['num_files']) $num_images+=$po['num_files']; $thread->add(new Post($po, $mod ? '?/' : $config['root'], $mod)); } $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; } $threads[] = $thread; $body .= $thread->build(true); } return array( 'board' => $board, 'body' => $body, 'post_url' => $config['post_url'], 'config' => $config, 'boardlist' => createBoardlist($mod), 'threads' => $threads, ); } // Handle statistic tracking for a new post. function updateStatisticsForPost( $post, $new = true ) { $postIp = isset($post['ip']) ? $post['ip'] : $_SERVER['REMOTE_ADDR']; $postUri = $post['board']; $postTime = (int)( $post['time'] / 3600 ) * 3600; $bsQuery = prepare("SELECT * FROM ``board_stats`` WHERE `stat_uri` = :uri AND `stat_hour` = :hour"); $bsQuery->bindValue(':uri', $postUri); $bsQuery->bindValue(':hour', $postTime, PDO::PARAM_INT); $bsQuery->execute() or error(db_error($bsQuery)); $bsResult = $bsQuery->fetchAll(PDO::FETCH_ASSOC); // Flesh out the new stats row. $boardStats = array(); // If we already have a row, we're going to be adding this post to it. if (count($bsResult)) { $boardStats = $bsResult[0]; $boardStats['stat_uri'] = $postUri; $boardStats['stat_hour'] = $postTime; $boardStats['post_id_array'] = unserialize( $boardStats['post_id_array'] ); $boardStats['author_ip_array'] = unserialize( $boardStats['author_ip_array'] ); ++$boardStats['post_count']; $boardStats['post_id_array'][] = (int) $post['id']; $boardStats['author_ip_array'][] = less_ip( $postIp ); $boardStats['author_ip_array'] = array_unique( $boardStats['author_ip_array'] ); } // If this a new row, we're building the stat to only reflect this first post. else { $boardStats['stat_uri'] = $postUri; $boardStats['stat_hour'] = $postTime; $boardStats['post_count'] = 1; $boardStats['post_id_array'] = array( (int) $post['id'] ); $boardStats['author_ip_count'] = 1; $boardStats['author_ip_array'] = array( less_ip( $postIp ) ); } // Cleanly serialize our array for insertion. $boardStats['post_id_array'] = str_replace( "\"", "\\\"", serialize( $boardStats['post_id_array'] ) ); $boardStats['author_ip_array'] = str_replace( "\"", "\\\"", serialize( $boardStats['author_ip_array'] ) ); // Insert this data into our statistics table. $statsInsert = "VALUES(\"{$boardStats['stat_uri']}\", \"{$boardStats['stat_hour']}\", \"{$boardStats['post_count']}\", \"{$boardStats['post_id_array']}\", \"{$boardStats['author_ip_count']}\", \"{$boardStats['author_ip_array']}\" )"; $postStatQuery = prepare( "REPLACE INTO ``board_stats`` (stat_uri, stat_hour, post_count, post_id_array, author_ip_count, author_ip_array) {$statsInsert}" ); $postStatQuery->execute() or error(db_error($postStatQuery)); // Update the posts_total tracker on the board. if ($new) { query("UPDATE ``boards`` SET `posts_total`=`posts_total`+1 WHERE `uri`=\"{$postUri}\""); } return $boardStats; } function getPageButtons($pages, $mod=false) { global $config, $board; $btn = array(); $root = ($mod ? '?/' : $config['root']) . $board['dir']; foreach ($pages as $num => $page) { if (isset($page['selected'])) { // Previous button if ($num == 0) { // There is no previous page. $btn['prev'] = _('Previous'); } else { $loc = ($mod ? '?/' . $board['uri'] . '/' : '') . ($num == 1 ? $config['file_index'] : sprintf($config['file_page'], $num) ); $btn['prev'] = '
' . ($mod ? '' . '' :'') . '
'; } if ($num == count($pages) - 1) { // There is no next page. $btn['next'] = _('Next'); } else { $loc = ($mod ? '?/' . $board['uri'] . '/' : '') . sprintf($config['file_page'], $num + 2); $btn['next'] = '
' . ($mod ? '' . '' :'') . '
'; } } } 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(); } $count = floor(($config['threads_per_page'] + $count - 1) / $config['threads_per_page']); if ($count < 1) $count = 1; $pages = array(); for ($x=0;$x<$count && $x<$config['max_pages'];$x++) { $pages[] = array( 'num' => $x+1, 'link' => $x==0 ? ($mod ? '?/' : $config['root']) . $board['dir'] . $config['file_index'] : ($mod ? '?/' : $config['root']) . $board['dir'] . sprintf($config['file_page'], $x+1) ); } return $pages; } // Stolen with permission from PlainIB (by Frank Usrs) function make_comment_hex($str) { global $config; // remove cross-board citations // the numbers don't matter $str = preg_replace("!>>>/[A-Za-z0-9]+/!", '', $str); if ($config['robot_enable']) { if (function_exists('iconv')) { // remove diacritics and other noise // FIXME: this removes cyrillic entirely $oldstr = $str; $str = @iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $str); if (!$str) $str = $oldstr; } $str = strtolower($str); // strip all non-alphabet characters $str = preg_replace('/[^a-z]/', '', $str); } return md5($str); } function makerobot($body) { global $config; $body = strtolower($body); // Leave only letters $body = preg_replace('/[^a-z]/i', '', $body); // Remove repeating characters if ($config['robot_strip_repeating']) $body = preg_replace('/(.)\\1+/', '$1', $body); return sha1($body); } function checkRobot($body) { if (empty($body) || event('check-robot', $body)) return true; $body = makerobot($body); $query = prepare("SELECT 1 FROM ``robot`` WHERE `hash` = :hash LIMIT 1"); $query->bindValue(':hash', $body); $query->execute() or error(db_error($query)); if ($query->fetchColumn()) { return true; } // Insert new hash $query = prepare("INSERT INTO ``robot`` VALUES (:hash)"); $query->bindValue(':hash', $body); $query->execute() or error(db_error($query)); return false; } // Returns an associative array with 'replies' and 'images' keys function numPosts($id) { global $board; $query = prepare(sprintf("SELECT COUNT(*) AS `replies`, SUM(`num_files`) AS `images` FROM ``posts_%s`` WHERE `thread` = :thread", $board['uri'], $board['uri'])); $query->bindValue(':thread', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); return $query->fetch(PDO::FETCH_ASSOC); } function muteTime() { global $config; if ($time = event('mute-time')) return $time; // Find number of mutes in the past X hours $query = prepare("SELECT COUNT(*) FROM ``mutes`` WHERE `time` >= :time AND `ip` = :ip"); $query->bindValue(':time', time()-($config['robot_mute_hour']*3600), PDO::PARAM_INT); $query->bindValue(':ip', $_SERVER['REMOTE_ADDR']); $query->execute() or error(db_error($query)); if (!$result = $query->fetchColumn()) return 0; return pow($config['robot_mute_multiplier'], $result); } function mute() { // Insert mute $query = prepare("INSERT INTO ``mutes`` VALUES (:ip, :time)"); $query->bindValue(':time', time(), PDO::PARAM_INT); $query->bindValue(':ip', $_SERVER['REMOTE_ADDR']); $query->execute() or error(db_error($query)); return muteTime(); } function checkMute() { global $config, $debug; if ($config['cache']['enabled']) { // Cached mute? if (($mute = cache::get("mute_${_SERVER['REMOTE_ADDR']}")) && ($mutetime = cache::get("mutetime_${_SERVER['REMOTE_ADDR']}"))) { error(sprintf($config['error']['youaremuted'], $mute['time'] + $mutetime - time())); } } $mutetime = muteTime(); if ($mutetime > 0) { // Find last mute time $query = prepare("SELECT `time` FROM ``mutes`` WHERE `ip` = :ip ORDER BY `time` DESC LIMIT 1"); $query->bindValue(':ip', $_SERVER['REMOTE_ADDR']); $query->execute() or error(db_error($query)); if (!$mute = $query->fetch(PDO::FETCH_ASSOC)) { // What!? He's muted but he's not muted... return; } if ($mute['time'] + $mutetime > time()) { if ($config['cache']['enabled']) { cache::set("mute_${_SERVER['REMOTE_ADDR']}", $mute, $mute['time'] + $mutetime - time()); cache::set("mutetime_${_SERVER['REMOTE_ADDR']}", $mutetime, $mute['time'] + $mutetime - time()); } // Not expired yet error(sprintf($config['error']['youaremuted'], $mute['time'] + $mutetime - time())); } else { // Already expired return; } } } function buildIndex($global_api = "yes") { global $board, $config, $build_pages; if (!$config['smart_build']) { $pages = getPages(); if (!$config['try_smarter']) $antibot = create_antibot($board['uri']); if ($config['api']['enabled']) { $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)); $jsonFilename = $board['dir'] . ($page - 1) . '.json'; // pages should start from 0 if ((!$config['api']['enabled'] || $global_api == "skip" || $config['smart_build']) && $config['try_smarter'] && isset($build_pages) && !empty($build_pages) && !in_array($page, $build_pages) ) continue; if (!$config['smart_build']) { $content = index($page); if (!$content) break; // json api if ($config['api']['enabled']) { $threads = $content['threads']; $json = json_encode($api->translatePage($threads)); file_write($jsonFilename, $json); $catalog[$page-1] = $threads; } if ($config['api']['enabled'] && $global_api != "skip" && $config['try_smarter'] && isset($build_pages) && !empty($build_pages) && !in_array($page, $build_pages) ) continue; if ($config['try_smarter']) { $antibot = create_antibot($board['uri'], 0 - $page); $content['current_page'] = $page; } $antibot->reset(); $content['pages'] = $pages; $content['pages'][$page-1]['selected'] = true; $content['btn'] = getPageButtons($content['pages']); $content['antibot'] = $antibot; file_write($filename, Element('index.html', $content)); } else { file_unlink($filename); file_unlink($jsonFilename); } } if (!$config['smart_build'] && $page < $config['max_pages']) { for (;$page<=$config['max_pages'];$page++) { $filename = $board['dir'] . ($page==1 ? $config['file_index'] : sprintf($config['file_page'], $page)); file_unlink($filename); if ($config['api']['enabled']) { $jsonFilename = $board['dir'] . ($page - 1) . '.json'; file_unlink($jsonFilename); } } } // json api catalog if ($config['api']['enabled'] && $global_api != "skip") { if ($config['smart_build']) { $jsonFilename = $board['dir'] . 'catalog.json'; file_unlink($jsonFilename); $jsonFilename = $board['dir'] . 'threads.json'; file_unlink($jsonFilename); } else { $json = json_encode($api->translateCatalog($catalog)); $jsonFilename = $board['dir'] . 'catalog.json'; file_write($jsonFilename, $json); $json = json_encode($api->translateCatalog($catalog, true)); $jsonFilename = $board['dir'] . 'threads.json'; file_write($jsonFilename, $json); } } if ($config['try_smarter']) $build_pages = array(); } function buildJavascript() { global $config; $script = Element('main.js', array( 'config' => $config, )); if ($config['additional_javascript_compile']) { foreach (array_unique($config['additional_javascript']) as $file) { $script .= file_get_contents($file); } } if ($config['minify_js']) { require_once 'inc/lib/minify/JSMin.php'; $script = JSMin::minify($script); } file_write($config['file_script'], $script); } function checkDNSBL($use_ip = false) { global $config; if (!$use_ip && !isset($_SERVER['REMOTE_ADDR'])) return; // Fix your web server configuration $ip = ($use_ip ? $use_ip : $_SERVER['REMOTE_ADDR']); if ($ip == '127.0.0.2') return true; if (isIPv6($ip)) return; // No IPv6 support yet. if (in_array($ip, $config['dnsbl_exceptions'])) return; $ipaddr = ReverseIPOctets($ip); foreach ($config['dnsbl'] as $blacklist) { if (!is_array($blacklist)) $blacklist = array($blacklist); if (($lookup = str_replace('%', $ipaddr, $blacklist[0])) == $blacklist[0]) $lookup = $ipaddr . '.' . $blacklist[0]; if (!$ip = DNS($lookup)) continue; // not in list $blacklist_name = isset($blacklist[2]) ? $blacklist[2] : $blacklist[0]; if (!isset($blacklist[1])) { // If you're listed at all, you're blocked. if ($use_ip) { return true; } else { error(sprintf($config['error']['dnsbl'], $blacklist_name)); } } elseif (is_array($blacklist[1])) { foreach ($blacklist[1] as $octet) { if ($ip == $octet || $ip == '127.0.0.' . $octet) { return true; } } } elseif (is_callable($blacklist[1])) { if ($blacklist[1]($ip)) { return true; } } else { if ($ip == $blacklist[1] || $ip == '127.0.0.' . $blacklist[1]) { return true; } } } } function isIPv6($ip = false) { return strstr(($ip ? $ip : $_SERVER['REMOTE_ADDR']), ':') !== false; } function ReverseIPOctets($ip) { return implode('.', array_reverse(explode('.', $ip))); } function wordfilters(&$body) { global $config; foreach ($config['wordfilters'] as $filter) { if (isset($filter[2]) && $filter[2]) { if (is_callable($filter[1])) $body = preg_replace_callback($filter[0], $filter[1], $body); else $body = preg_replace($filter[0], $filter[1], $body); } else { $body = str_ireplace($filter[0], $filter[1], $body); } } } function quote($body, $quote=true) { global $config; $body = str_replace('
', "\n", $body); $body = strip_tags($body); $body = preg_replace("/(^|\n)/", '$1>', $body); $body .= "\n"; if ($config['minify_html']) $body = str_replace("\n", ' ', $body); return $body; } function markup_url($matches) { global $config, $markup_urls; $url = $matches[1]; $after = $matches[2]; $markup_urls[] = $url; $link = (object) array( 'href' => $config['link_prefix'] . $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 . '="' . $value . '"'; } if (isset($link['after'])) $after = $link['after'] . $after; return '' . $link['text'] . '' . $after; } function unicodify($body) { $body = str_replace('...', '…', $body); $body = str_replace('<--', '←', $body); $body = str_replace('-->', '→', $body); // En and em- dashes are rendered exactly the same in // most monospace fonts (they look the same in code // editors). $body = str_replace('---', '—', $body); // em dash $body = str_replace('--', '–', $body); // en dash return $body; } function extract_modifiers($body) { $modifiers = array(); if (preg_match_all('@(.*?)@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 $modifiers; } function remove_modifiers($body) { return preg_replace('@(.+?)@usm', '', $body); } function markup(&$body, $track_cites = false, $op = false) { global $board, $config, $markup_urls; $modifiers = extract_modifiers($body); $body = preg_replace('@(.+?)@us', '', $body); $body = preg_replace('@<(tinyboard) escape ([\w\s]+)>@i', '<$1 $2>', $body); if (isset($modifiers['raw html']) && $modifiers['raw html'] == '1') { return array(); } $body = str_replace("\r", '', $body); $body = utf8tohtml($body); if (mysql_version() < 50503) $body = mb_encode_numericentity($body, array(0x010000, 0xffffff, 0, 0xffffff), 'UTF-8'); foreach ($config['markup'] as $markup) { if (is_string($markup[1])) { $body = preg_replace($markup[0], $markup[1], $body); } elseif (is_callable($markup[1])) { $body = preg_replace_callback($markup[0], $markup[1], $body); } } if ($config['markup_urls']) { $markup_urls = array(); $body = preg_replace_callback( '/((?:https?:\/\/|ftp:\/\/|irc:\/\/)[^\s<>()"]+?(?:\([^\s<>()"]*?\)[^\s<>()"]*?)*)((?:\s|<|>|"|\.||\]|!|\?|,|,|")*(?:[\s<>()"]|$))/', 'markup_url', $body, -1, $num_links); if ($num_links > $config['max_links']) error($config['error']['toomanylinks']); if ($num_links < $config['min_links'] && $op) error(sprintf($config['error']['notenoughlinks'], $config['min_links'])); } if ($config['markup_repair_tidy']) $body = str_replace(' ', '  ', $body); if ($config['auto_unicode']) { $body = unicodify($body); if ($config['markup_urls']) { foreach ($markup_urls as &$url) { $body = str_replace(unicodify($url), $url, $body); } } } $tracked_cites = array(); // Cites if (isset($board) && preg_match_all('/(^|\s)>>(\d+?)([\s,.)?]|$)/m', $body, $cites, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) { if (count($cites[0]) > $config['max_cites']) { error($config['error']['toomanycites']); } $skip_chars = 0; $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'] ? $cited['thread'] : false; } foreach ($cites as $matches) { $cite = $matches[2][0]; // preg_match_all is not multibyte-safe foreach ($matches as &$match) { $match[1] = mb_strlen(substr($body_tmp, 0, $match[1])); } if (isset($cited_posts[$cite])) { $replacement = '' . '>>' . $cite . ''; $body = mb_substr_replace($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]); if ($track_cites && $config['track_cites']) $tracked_cites[] = array($board['uri'], $cite); } } } // Cross-board linking if (preg_match_all('/(^|\s)>>>\/(' . $config['board_regex'] . 'f?)\/(\d+)?([\s,.)?]|$)/um', $body, $cites, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) { if (count($cites[0]) > $config['max_cites']) { error($config['error']['toomanycross']); } $skip_chars = 0; $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'] . $config['file_index']; } // Restore old board if (!$tmp_board) { unset($GLOBALS['board']); } elseif ($board['uri'] != $tmp_board) { openBoard($tmp_board); } foreach ($cites as $matches) { $_board = $matches[2][0]; $cite = @$matches[3][0]; // preg_match_all is not multibyte-safe 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 = '' . '>>>/' . $_board . '/' . $cite . ''; $body = mb_substr_replace($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]); if ($track_cites && $config['track_cites']) $tracked_cites[] = array($_board, $cite); } } elseif(isset($crossboard_indexes[$_board])) { $replacement = '' . '>>>/' . $_board . '/' . ''; $body = mb_substr_replace($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]); } } } $tracked_cites = array_unique($tracked_cites, SORT_REGULAR); if ($config['strip_superfluous_returns']) $body = preg_replace('/\s+$/', '', $body); if ($config['markup_paragraphs']) { $paragraphs = explode("\n", $body); $bodyNew = ""; $tagsOpen = false; // Matches , , but not and returns a $matchOpen = "#<([A-Z][A-Z0-9]*)+(?:(?:\s+\w+(?:\s*=\s*(?:\".*?\"|'.*?'|[^'\">\s]+))?)+\s*|\s*)>#i"; // Matches returns a $matchClose = "##i"; $tagsOpened = array(); $tagsClosed = array(); foreach ($paragraphs as $paragraph) { // Determine if RTL based on content of line. if (strlen(trim($paragraph)) > 0) { $paragraphDirection = is_rtl($paragraph) ? "rtl" : "ltr"; } else { $paragraphDirection = "empty"; } // Add in a quote class for >quotes. if (strpos($paragraph, ">")===0) { $quoteClass = "quote"; } else { $quoteClass = ""; } // If tags are closed, start a new line. if ($tagsOpen === false) { $bodyNew .= "

"; } // If tags are open, add the paragraph to our temporary holder instead. if ($tagsOpen !== false) { $tagsOpen .= $paragraph; // Recheck tags to see if we've formed a complete tag with this latest line. if (preg_match_all($matchOpen, $tagsOpen, $tagsOpened) === preg_match_all($matchClose, $tagsOpen, $tagsClosed)) { sort($tagsOpened[1]); sort($tagsClosed[1]); // Double-check to make sure these are the same tags. if (count(array_diff_assoc($tagsOpened[1], $tagsClosed[1])) === 0) { // Tags are closed! \o/ $bodyNew .= $tagsOpen; $tagsOpen = false; } } if ($tagsOpen !== false) { $tagsOpen .= "
"; } } // If tags are closed, check to see if they are now open. // This counts the number of open tags (that are not self-closing) against the number of complete tags. // If they match completely, we are closed. else if (preg_match_all($matchOpen, $paragraph, $tagsOpened) === preg_match_all($matchClose, $paragraph, $tagsClosed)) { sort($tagsOpened[1]); sort($tagsClosed[1]); // Double-check to make sure these are the same tags. if (count(array_diff_assoc($tagsOpened[1], $tagsClosed[1])) === 0) { $bodyNew .= $paragraph; } } else { // Tags are open! $tagsOpen = $paragraph; } // If tags are open, do not close it. if (!$tagsOpen) { $bodyNew .= "

"; } } if ($tagsOpen !== false) { $bodyNew .= $tagsOpen; } $body = $bodyNew; } else { $body = preg_replace("/^\s*>.*$/m", '$0', $body); $body = preg_replace("/\n/", '
', $body); } if ($config['markup_repair_tidy']) { $tidy = new tidy(); $body = str_replace("\t", ' ', $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); return $tracked_cites; } function escape_markup_modifiers($string) { return preg_replace('@<(tinyboard) ([\w\s]+)>@mi', '<$1 escape $2>', $string); } function utf8tohtml($utf8) { return htmlspecialchars($utf8, ENT_NOQUOTES, 'UTF-8'); } function ordutf8($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 $code; } function uniord($u) { $k = mb_convert_encoding($u, 'UCS-2LE', 'UTF-8'); $k1 = ord(substr($k, 0, 1)); $k2 = ord(substr($k, 1, 1)); return $k2 * 256 + $k1; } function is_rtl($str) { if(mb_detect_encoding($str) !== 'UTF-8') { $str = mb_convert_encoding($str, mb_detect_encoding($str),'UTF-8'); } preg_match_all('/[^\n\s]+/', $str, $matches); preg_match_all('/.|\n\s/u', $str, $matches); $chars = $matches[0]; $arabic_count = 0; $latin_count = 0; $total_count = 0; foreach ($chars as $char) { $pos = uniord($char); if ($pos >= 1536 && $pos <= 1791) { $arabic_count++; } else if ($pos > 123 && $pos < 123) { $latin_count++; } $total_count++; } return (($arabic_count/$total_count) > 0.5); } function strip_combining_chars($str) { $chars = preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY); $str = ''; foreach ($chars as $char) { $o = 0; $ord = ordutf8($char, $o); if ( ($ord >= 768 && $ord <= 879) || ($ord >= 7616 && $ord <= 7679) || ($ord >= 8400 && $ord <= 8447) || ($ord >= 65056 && $ord <= 65071)){ continue; } $str .= $char; } return $str; } function buildThread($id, $return = false, $mod = false) { global $board, $config, $build_pages; $id = round($id); if (event('build-thread', $id)) return; if ($config['cache']['enabled'] && !$mod) { // Clear cache cache::delete("thread_index_{$board['uri']}_{$id}"); cache::delete("thread_{$board['uri']}_{$id}"); } if ($config['try_smarter'] && !$mod) $build_pages[] = thread_find_page($id); if (!$config['smart_build'] || $return || $mod) { $query = prepare(sprintf("SELECT * FROM ``posts_%s`` WHERE (`thread` IS NULL AND `id` = :id) OR `thread` = :id ORDER BY `thread`,`id`", $board['uri'])); $query->bindValue(':id', $id, PDO::PARAM_INT); $query->execute() or error(db_error($query)); while ($post = $query->fetch(PDO::FETCH_ASSOC)) { if (!isset($thread)) { $thread = new Thread($post, $mod ? '?/' : $config['root'], $mod); } else { $thread->add(new Post($post, $mod ? '?/' : $config['root'], $mod)); } } // Check if any posts were found if (!isset($thread)) error($config['error']['nonexistant']); $hasnoko50 = $thread->postCount() >= $config['noko50_min']; $antibot = $mod || $return ? false : create_antibot($board['uri'], $id); $body = Element('thread.html', array( 'board' => $board, 'thread' => $thread, 'body' => $thread->build(), 'config' => $config, 'id' => $id, 'mod' => $mod, 'hasnoko50' => $hasnoko50, 'isnoko50' => false, 'antibot' => $antibot, 'boardlist' => createBoardlist($mod), 'return' => ($mod ? '?' . $board['url'] . $config['file_index'] : $config['root'] . $board['dir'] . $config['file_index']) )); // json api if ($config['api']['enabled']) { $api = new Api(); $json = json_encode($api->translateThread($thread)); $jsonFilename = $board['dir'] . $config['dir']['res'] . $id . '.json'; file_write($jsonFilename, $json); } } else { $jsonFilename = $board['dir'] . $config['dir']['res'] . $id . '.json'; file_unlink($jsonFilename); } if ($config['smart_build'] && !$return && !$mod) { $noko50fn = $board['dir'] . $config['dir']['res'] . sprintf($config['file_page50'], $id); file_unlink($noko50fn); file_unlink($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $id)); } else if ($return) { 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['files']) $num_images += $post['num_files']; $thread->add(new Post($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 SUM(`num_files`) FROM ``posts_%s`` WHERE `files` 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->files) $thread->omitted_images += $post->num_files; } } $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), $body); } } function rrmdir($dir) { if (is_dir($dir)) { $objects = scandir($dir); foreach ($objects as $object) { if ($object != "." && $object != "..") { if (filetype($dir."/".$object) == "dir") rrmdir($dir."/".$object); else file_unlink($dir."/".$object); } } reset($objects); rmdir($dir); } } function poster_id($ip, $thread, $board) { global $config; if ($id = event('poster-id', $ip, $thread, $board)) return $id; // Confusing, hard to brute-force, but simple algorithm return substr(sha1(sha1($ip . $config['secure_trip_salt'] . $thread . $board) . $config['secure_trip_salt']), 0, $config['poster_id_length']); } function generate_tripcode($name) { global $config; if ($trip = event('tripcode', $name)) return $trip; if (!preg_match('/^([^#]+)?(##|#)(.+)$/', $name, $match)) return array($name); $name = $match[1]; $secure = $match[2] == '##'; $trip = $match[3]; // convert to SHIT_JIS encoding $trip = mb_convert_encoding($trip, 'Shift_JIS', 'UTF-8'); // generate salt $salt = substr($trip . 'H..', 1, 2); $salt = preg_replace('/[^.-z]/', '.', $salt); $salt = strtr($salt, ':;<=>?@[\]^_`', 'ABCDEFGabcdef'); if ($secure) { if (isset($config['custom_tripcode']["##{$trip}"])) $trip = $config['custom_tripcode']["##{$trip}"]; else $trip = '!!' . substr(crypt($trip, str_replace('+', '.', '_..A.' . substr(base64_encode(sha1($trip . $config['secure_trip_salt'], true)), 0, 4))), -10); } else { if (isset($config['custom_tripcode']["#{$trip}"])) $trip = $config['custom_tripcode']["#{$trip}"]; else $trip = '!' . substr(crypt($trip, $salt), -10); } return array($name, $trip); } // Highest common factor function hcf($a, $b){ $gcd = 1; if ($a>$b) { $a = $a+$b; $b = $a-$b; $a = $a-$b; } if ($b==(round($b/$a))*$a) $gcd=$a; else { for ($i=round($a/2);$i;$i--) { if ($a == round($a/$i)*$i && $b == round($b/$i)*$i) { $gcd = $i; $i = false; } } } return $gcd; } function fraction($numerator, $denominator, $sep) { $gcf = hcf($numerator, $denominator); $numerator = $numerator / $gcf; $denominator = $denominator / $gcf; return "{$numerator}{$sep}{$denominator}"; } function getPostByHash($hash) { global $board; $query = prepare(sprintf("SELECT `id`,`thread` FROM ``posts_%s`` WHERE `filehash` = :hash", $board['uri'])); $query->bindValue(':hash', $hash, PDO::PARAM_STR); $query->execute() or error(db_error($query)); if ($post = $query->fetch(PDO::FETCH_ASSOC)) { return $post; } return false; } function getPostByHashInThread($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)); if ($post = $query->fetch(PDO::FETCH_ASSOC)) { return $post; } return false; } function undoImage(array $post) { if (!$post['has_file'] || !isset($post['files'])) return; foreach ($post['files'] as $key => $file) { if (isset($file['file_path'])) file_unlink($file['file_path']); if (isset($file['thumb_path'])) file_unlink($file['thumb_path']); } } function rDNS($ip_addr) { global $config; if ($config['cache']['enabled'] && ($host = cache::get('rdns_' . $ip_addr))) { return $host; } if (!$config['dns_system']) { $host = gethostbyaddr($ip_addr); } else { $resp = shell_exec_error('host -W 1 ' . $ip_addr); if (preg_match('/domain name pointer ([^\s]+)$/', $resp, $m)) $host = $m[1]; else $host = $ip_addr; } $isip = filter_var($host, FILTER_VALIDATE_IP); if ($config['fcrdns'] && !$isip && DNS($host) != $ip_addr) { $host = $ip_addr; } if ($config['cache']['enabled']) cache::set('rdns_' . $ip_addr, $host); return $host; } function DNS($host) { global $config; if ($config['cache']['enabled'] && ($ip_addr = cache::get('dns_' . $host))) { return $ip_addr != '?' ? $ip_addr : false; } if (!$config['dns_system']) { $ip_addr = gethostbyname($host); if ($ip_addr == $host) $ip_addr = false; } else { $resp = shell_exec_error('host -W 1 ' . $host); if (preg_match('/has address ([^\s]+)$/', $resp, $m)) $ip_addr = $m[1]; else $ip_addr = false; } if ($config['cache']['enabled']) cache::set('dns_' . $host, $ip_addr !== false ? $ip_addr : '?'); 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 : $return; } /* Die rolling: * If "dice XdY+/-Z" is in the email field (where X or +/-Z may be * missing), X Y-sided dice are rolled and summed, with the modifier Z * added on. The result is displayed at the top of the post. */ function diceRoller($post) { global $config; if (isset($_POST['dx'], $_POST['dy'], $_POST['dz']) && !empty($_POST['dy'])) { // Get params $diceX = $_POST['dx']; $diceY = $_POST['dy']; $diceZ = $_POST['dz']; // Default values for X and Z if($diceX == '') { $diceX = 1; } if($diceZ == '') { $diceZ = 0; } // Intify them $diceX = intval($diceX); $diceY = intval($diceY); $diceZ = intval($diceZ); // Apply sane limits if ($diceY > 1024) { $diceY = 1024; } if ($diceX > 200) { $diceX = 200; } if (abs($diceZ) > 1000000) { $diceZ = 0; } // Continue only if we have valid values if($diceX > 0 && $diceY > 0) { $dicerolls = array(); $dicesum = $diceZ; for($i = 0; $i < $diceX; $i++) { $roll = rand(1, $diceY); $dicerolls[] = $roll; $dicesum += $roll; } // Prepend the result to the post body $modifier = ($diceZ != 0) ? ((($diceZ < 0) ? ' - ' : ' + ') . abs($diceZ)) : ''; $dicesum = ($diceX > 1) ? ' = ' . $dicesum : ''; $rollstring = "{$diceX}d{$diceY}"; $post->body = '
Dice rollRolled ' . implode(', ', $dicerolls) . $modifier . $dicesum . " ($rollstring)

" . $post->body; } } } function less_ip($ip, $board = '') { global $config; $ipv6 = (strstr($ip, ':') !== false); $has_range = (strstr($ip, '/') !== false); if ($has_range) { $ip_a = explode('/', $ip); $ip = $ip_a[0]; $range = $ip_a[1]; } $in_addr = inet_pton($ip); if ($ipv6) { // Not sure how many to mask for IPv6, opinions? $mask = inet_pton('ffff:ffff:ffff:ffff:ffff:0:0:0'); } else { $mask = inet_pton('255.255.0.0'); } $final = inet_ntop($in_addr & $mask); $masked = str_replace(array(':0', '.0'), array(':x', '.x'), $final); if ($config['hash_masked_ip']) { $masked = substr(sha1(sha1($masked . $board) . $config['secure_trip_salt']), 0, 10); } $masked .= (isset($range) ? '/'.$range : ''); return $masked; } function less_hostmask($hostmask) { $parts = explode('.', $hostmask); if (sizeof($parts) < 3) return $hostmask; $parts[0] = 'x'; $parts[1] = 'x'; return implode('.', $parts); } function prettify_textarea($s){ return str_replace("\t", ' ', str_replace("\n", ' ', htmlentities($s))); } class HTMLPurifier_URIFilter_NoExternalImages extends HTMLPurifier_URIFilter { public $name = 'NoExternalImages'; public function filter(&$uri, $c, $context) { global $config; $ct = $context->get('CurrentToken'); if (!$ct || $ct->name !== 'img') return true; if (!isset($uri->host) && !isset($uri->scheme)) return true; if (!in_array($uri->scheme . '://' . $uri->host . '/', $config['allowed_offsite_urls'])) { error('No off-site links in board announcement images.'); } return true; } } function purify_html($s) { global $config; $c = HTMLPurifier_Config::createDefault(); $c->set('HTML.Allowed', $config['allowed_html']); $uri = $c->getDefinition('URI'); $uri->addFilter(new HTMLPurifier_URIFilter_NoExternalImages(), $c); $purifier = new HTMLPurifier($c); $clean_html = $purifier->purify($s); return $clean_html; } function markdown($s) { $pd = new Parsedown(); $pd->setMarkupEscaped(true); $pd->setimagesEnabled(false); return $pd->text($s); }