mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-23 23:20:57 +01:00
450 lines
12 KiB
PHP
450 lines
12 KiB
PHP
<?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($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) {
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// You cannot request this file directly.
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exit;
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}
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/*
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joaoptm78@gmail.com
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http://www.php.net/manual/en/function.filesize.php#100097
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*/
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function format_bytes($size) {
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$units = array(' B', ' KB', ' MB', ' GB', ' TB');
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for ($i = 0; $size >= 1024 && $i < 4; $i++) $size /= 1024;
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return round($size, 2).$units[$i];
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}
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function doBoardListPart($list, $root, &$boards) {
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global $config;
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$body = '';
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foreach ($list as $key => $board) {
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if (is_array($board))
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$body .= ' <span class="sub" data-description="' . $key . '">[' . doBoardListPart($board, $root, $boards) . ']</span> ';
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else {
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if (gettype($key) == 'string') {
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$body .= ' <a href="' . $board . '">' . $key . '</a> /';
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} else {
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$title = '';
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if (isset ($boards[$board])) {
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$title = ' title="'.$boards[$board].'"';
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}
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$body .= ' <a href="' . $root . $board . '/' . $config['file_index'] . '"'.$title.'>' . $board . '</a> /';
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}
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}
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}
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$body = preg_replace('/\/$/', '', $body);
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return $body;
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}
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function createBoardlist($mod=false) {
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global $config;
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if (!isset($config['boards'])) return array('top'=>'','bottom'=>'');
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$xboards = listBoards();
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$boards = array();
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foreach ($xboards as $val) {
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$boards[$val['uri']] = $val['title'];
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}
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$body = doBoardListPart($config['boards'], $mod?'?/':$config['root'], $boards);
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if ($config['boardlist_wrap_bracket'] && !preg_match('/\] $/', $body))
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$body = '[' . $body . ']';
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$body = trim($body);
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// Message compact-boardlist.js faster, so that page looks less ugly during loading
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$top = "<script type='text/javascript'>if (typeof do_boardlist != 'undefined') do_boardlist();</script>";
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return array(
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'top' => '<div class="boardlist">' . $body . '</div>' . $top,
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'bottom' => '<div class="boardlist bottom">' . $body . '</div>'
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);
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}
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function error($message, $priority = true, $debug_stuff = false) {
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global $board, $mod, $config, $db_error;
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if ($config['syslog'] && $priority !== false) {
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// Use LOG_NOTICE instead of LOG_ERR or LOG_WARNING because most error message are not significant.
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_syslog($priority !== true ? $priority : LOG_NOTICE, $message);
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}
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if (defined('STDIN')) {
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// Running from CLI
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echo('Error: ' . $message . "\n");
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debug_print_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
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die();
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}
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if ($config['debug'] && isset($db_error)) {
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$debug_stuff = array_combine(array('SQLSTATE', 'Error code', 'Error message'), $db_error);
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}
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if ($config['debug']) {
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$debug_stuff['backtrace'] = debug_backtrace();
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}
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// Return the bad request header, necessary for AJAX posts
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// czaks: is it really so? the ajax errors only work when this is commented out
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// better yet use it when ajax is disabled
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if (!isset ($_POST['json_response'])) {
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header($_SERVER['SERVER_PROTOCOL'] . ' 400 Bad Request');
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}
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// Is there a reason to disable this?
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if (isset($_POST['json_response'])) {
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header('Content-Type: text/json; charset=utf-8');
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die(json_encode(array(
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'error' => $message
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)));
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}
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die(Element('page.html', array(
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'config' => $config,
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'title' => _('Error'),
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'subtitle' => _('An error has occured.'),
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'body' => Element('error.html', array(
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'config' => $config,
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'message' => $message,
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'mod' => $mod,
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'board' => isset($board) ? $board : false,
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'debug' => is_array($debug_stuff) ? str_replace("\n", ' ', utf8tohtml(print_r($debug_stuff, true))) : utf8tohtml($debug_stuff)
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))
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)));
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}
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function loginForm($error=false, $username=false, $redirect=false) {
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global $config;
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die(Element('page.html', array(
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'index' => $config['root'],
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'title' => _('Login'),
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'config' => $config,
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'body' => Element('login.html', array(
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'config'=>$config,
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'error'=>$error,
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'username'=>utf8tohtml($username),
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'redirect'=>$redirect
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)
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)
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)));
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}
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function pm_snippet($body, $len=null) {
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global $config;
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if (!isset($len))
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$len = &$config['mod']['snippet_length'];
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// Replace line breaks with some whitespace
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$body = preg_replace('@<br/?>@i', ' ', $body);
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// Strip tags
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$body = strip_tags($body);
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// Unescape HTML characters, to avoid splitting them in half
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$body = html_entity_decode($body, ENT_COMPAT, 'UTF-8');
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// calculate strlen() so we can add "..." after if needed
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$strlen = mb_strlen($body);
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$body = mb_substr($body, 0, $len);
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// Re-escape the characters.
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return '<em>' . utf8tohtml($body) . ($strlen > $len ? '…' : '') . '</em>';
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}
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function capcode($cap) {
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global $config;
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if (!$cap)
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return false;
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$capcode = array();
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if (isset($config['custom_capcode'][$cap])) {
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if (is_array($config['custom_capcode'][$cap])) {
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$capcode['cap'] = sprintf($config['custom_capcode'][$cap][0], $cap);
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if (isset($config['custom_capcode'][$cap][1]))
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$capcode['name'] = $config['custom_capcode'][$cap][1];
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if (isset($config['custom_capcode'][$cap][2]))
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$capcode['trip'] = $config['custom_capcode'][$cap][2];
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} else {
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$capcode['cap'] = sprintf($config['custom_capcode'][$cap], $cap);
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}
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} else {
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$capcode['cap'] = sprintf($config['capcode'], $cap);
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}
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return $capcode;
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}
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function truncate($body, $url, $max_lines = false, $max_chars = false) {
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global $config;
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if ($max_lines === false)
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$max_lines = $config['body_truncate'];
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if ($max_chars === false)
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$max_chars = $config['body_truncate_char'];
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// We don't want to risk truncating in the middle of an HTML comment.
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// It's easiest just to remove them all first.
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$body = preg_replace('/<!--.*?-->/s', '', $body);
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$original_body = $body;
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$lines = substr_count($body, '<br/>');
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// Limit line count
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if ($lines > $max_lines) {
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if (preg_match('/(((.*?)<br\/>){' . $max_lines . '})/', $body, $m))
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$body = $m[0];
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}
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$body = mb_substr($body, 0, $max_chars);
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if ($body != $original_body) {
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// Remove any corrupt tags at the end
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$body = preg_replace('/<([\w]+)?([^>]*)?$/', '', $body);
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// Open tags
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if (preg_match_all('/<([\w]+)[^>]*>/', $body, $open_tags)) {
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$tags = array();
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for ($x=0;$x<count($open_tags[0]);$x++) {
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if (!preg_match('/\/(\s+)?>$/', $open_tags[0][$x]))
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$tags[] = $open_tags[1][$x];
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}
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// List successfully closed tags
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if (preg_match_all('/(<\/([\w]+))>/', $body, $closed_tags)) {
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for ($x=0;$x<count($closed_tags[0]);$x++) {
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unset($tags[array_search($closed_tags[2][$x], $tags)]);
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}
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}
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// remove broken HTML entity at the end (if existent)
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$body = preg_replace('/&[^;]+$/', '', $body);
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$tags_no_close_needed = array("colgroup", "dd", "dt", "li", "optgroup", "option", "p", "tbody", "td", "tfoot", "th", "thead", "tr", "br", "img");
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// Close any open tags
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foreach ($tags as &$tag) {
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if (!in_array($tag, $tags_no_close_needed))
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$body .= "</{$tag}>";
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}
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} else {
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// remove broken HTML entity at the end (if existent)
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$body = preg_replace('/&[^;]*$/', '', $body);
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}
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$body .= '<span class="toolong">'.sprintf(_('Post too long. Click <a href="%s">here</a> to view the full text.'), $url).'</span>';
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}
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return $body;
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}
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function bidi_cleanup($data) {
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// Closes all embedded RTL and LTR unicode formatting blocks in a string so that
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// it can be used inside another without controlling its direction.
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$explicits = '\xE2\x80\xAA|\xE2\x80\xAB|\xE2\x80\xAD|\xE2\x80\xAE';
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$pdf = '\xE2\x80\xAC';
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preg_match_all("!$explicits!", $data, $m1, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
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preg_match_all("!$pdf!", $data, $m2, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
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if (count($m1) || count($m2)){
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$p = array();
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foreach ($m1 as $m){ $p[$m[0][1]] = 'push'; }
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foreach ($m2 as $m){ $p[$m[0][1]] = 'pop'; }
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ksort($p);
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$offset = 0;
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$stack = 0;
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foreach ($p as $pos => $type){
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if ($type == 'push'){
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$stack++;
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}else{
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if ($stack){
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$stack--;
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}else{
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# we have a pop without a push - remove it
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$data = substr($data, 0, $pos-$offset)
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.substr($data, $pos+3-$offset);
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$offset += 3;
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}
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}
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}
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# now add some pops if your stack is bigger than 0
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for ($i=0; $i<$stack; $i++){
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$data .= "\xE2\x80\xAC";
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}
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return $data;
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}
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return $data;
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}
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function secure_link_confirm($text, $title, $confirm_message, $href) {
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global $config;
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return '<a onclick="if (event.which==2) return true;if (confirm(\'' . htmlentities(addslashes($confirm_message)) . '\')) document.location=\'?/' . htmlspecialchars(addslashes($href . '/' . make_secure_link_token($href))) . '\';return false;" title="' . htmlentities($title) . '" href="?/' . $href . '">' . $text . '</a>';
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}
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function secure_link($href) {
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return $href . '/' . make_secure_link_token($href);
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}
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function embed_html($link) {
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global $config;
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foreach ($config['embedding'] as $embed) {
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if ($html = preg_replace($embed[0], $embed[1], $link)) {
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if ($html == $link)
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continue; // Nope
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$html = str_replace('%%tb_width%%', $config['embed_width'], $html);
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$html = str_replace('%%tb_height%%', $config['embed_height'], $html);
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return $html;
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}
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}
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if ($link[0] == '<') {
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// Prior to v0.9.6-dev-8, HTML code for embedding was stored in the database instead of the link.
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return $link;
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}
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return 'Embedding error.';
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}
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class Post {
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public function __construct($post, $root=null, $mod=false) {
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global $config;
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if (!isset($root))
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$root = &$config['root'];
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foreach ($post as $key => $value) {
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$this->{$key} = $value;
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}
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if (isset($this->files))
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$this->files = json_decode($this->files);
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$this->subject = utf8tohtml($this->subject);
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$this->name = utf8tohtml($this->name);
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$this->mod = $mod;
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$this->root = $root;
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if ($this->embed)
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$this->embed = embed_html($this->embed);
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$this->modifiers = extract_modifiers($this->body_nomarkup);
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if ($config['always_regenerate_markup']) {
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$this->body = $this->body_nomarkup;
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markup($this->body);
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}
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if ($this->mod)
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// Fix internal links
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// Very complicated regex
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$this->body = preg_replace(
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'/<a((([a-zA-Z]+="[^"]+")|[a-zA-Z]+=[a-zA-Z]+|\s)*)href="' . preg_quote($config['root'], '/') . '(' . sprintf(preg_quote($config['board_path'], '/'), $config['board_regex']) . ')/u',
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'<a $1href="?/$4',
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$this->body
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);
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}
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public function link($pre = '') {
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global $config, $board;
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return $this->root . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $this->thread) . '#' . $pre . $this->id;
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}
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public function build($index=false) {
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global $board, $config;
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return Element('post_reply.html', array('config' => $config, 'board' => $board, 'post' => &$this, 'index' => $index, 'mod' => $this->mod));
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}
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};
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class Thread {
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public function __construct($post, $root = null, $mod = false, $hr = true) {
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global $config;
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if (!isset($root))
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$root = &$config['root'];
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foreach ($post as $key => $value) {
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$this->{$key} = $value;
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}
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if (isset($this->files))
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$this->files = json_decode($this->files);
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$this->subject = utf8tohtml($this->subject);
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$this->name = utf8tohtml($this->name);
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$this->mod = $mod;
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$this->root = $root;
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$this->hr = $hr;
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$this->posts = array();
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$this->omitted = 0;
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$this->omitted_images = 0;
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if ($this->embed)
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$this->embed = embed_html($this->embed);
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$this->modifiers = extract_modifiers($this->body_nomarkup);
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if ($config['always_regenerate_markup']) {
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$this->body = $this->body_nomarkup;
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markup($this->body);
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}
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if ($this->mod)
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// Fix internal links
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// Very complicated regex
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$this->body = preg_replace(
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'/<a((([a-zA-Z]+="[^"]+")|[a-zA-Z]+=[a-zA-Z]+|\s)*)href="' . preg_quote($config['root'], '/') . '(' . sprintf(preg_quote($config['board_path'], '/'), $config['board_regex']) . ')/u',
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'<a $1href="?/$4',
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$this->body
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);
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}
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public function link($pre = '') {
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global $config, $board;
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return $this->root . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $this->id) . '#' . $pre . $this->id;
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}
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public function add(Post $post) {
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$this->posts[] = $post;
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}
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public function postCount() {
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return count($this->posts) + $this->omitted;
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}
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public function build($index=false, $isnoko50=false) {
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global $board, $config, $debug;
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$hasnoko50 = $this->postCount() >= $config['noko50_min'];
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event('show-thread', $this);
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$built = Element('post_thread.html', array('config' => $config, 'board' => $board, 'post' => &$this, 'index' => $index, 'hasnoko50' => $hasnoko50, 'isnoko50' => $isnoko50, 'mod' => $this->mod));
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return $built;
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}
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};
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