Source code of Leftypol imageboard
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422 lines
14 KiB

<?php
/*
* Copyright (c) 2010-2013 Tinyboard Development Group
*/
if (realpath($_SERVER['SCRIPT_FILENAME']) == str_replace('\\', '/', __FILE__)) {
// You cannot request this file directly.
exit;
}
/*
[email protected]
http://www.php.net/manual/en/function.filesize.php#100097
*/
function format_bytes($size) {
$units = array(' B', ' KB', ' MB', ' GB', ' TB');
for ($i = 0; $size >= 1024 && $i < 4; $i++) $size /= 1024;
return round($size, 2).$units[$i];
}
function doBoardListPart($list, $root, &$boards) {
global $config;
$body = '';
foreach ($list as $key => $board) {
if (is_array($board))
$body .= ' <span class="sub" data-description="' . $key . '">[' . doBoardListPart($board, $root, $boards) . ']</span> ';
else {
if (gettype($key) == 'string') {
$body .= ' <a href="' . $board . '">' . $key . '</a> /';
} else {
$title = '';
if (array_key_exists($board,$config['boards_alias'])){
$actual_board = $config['boards_alias'][$board];
if (isset ($boards[$actual_board])) {
$title = ' title="'.$boards[$actual_board].'"';
}
$body .= ' <a href="' . $root . $actual_board . '/' . $config['file_index'] . '"'.$title.'>' . $board . '</a> /';
}
else
{
if (isset ($boards[$board])) {
$title = ' title="'.$boards[$board].'"';
}
$body .= ' <a href="' . $root . $board . '/' . $config['file_index'] . '"'.$title.'>' . $board . '</a> /';
}
}
}
}
$body = preg_replace('/\/$/', '', $body);
return $body;
}
function createBoardlist($mod=false) {
global $config;
if (!isset($config['boards'])) return array('top'=>'','bottom'=>'');
$xboards = listBoards();
$boards = array();
foreach ($xboards as $val) {
$boards[$val['uri']] = $val['title'];
}
$body = doBoardListPart($config['boards'], $mod?'?/':$config['root'], $boards);
if ($config['boardlist_wrap_bracket'] && !preg_match('/\] $/', $body))
$body = '[' . $body . ']';
$body = trim($body);
// Message compact-boardlist.js faster, so that page looks less ugly during loading
$top = "<script type='text/javascript'>if (typeof do_boardlist != 'undefined') do_boardlist();</script>";
return array(
'top' => '<div class="boardlist">' . $body . '</div>' . $top,
'bottom' => '<div class="boardlist bottom">' . $body . '</div>'
);
}
function loginForm($error=false, $username=false, $redirect=false) {
global $config;
die(Element('page.html', array(
'index' => $config['root'],
'title' => _('Login'),
'config' => $config,
'body' => Element('login.html', array(
'config'=>$config,
'error'=>$error,
'username'=>utf8tohtml($username),
'redirect'=>$redirect
)
)
)));
}
function pm_snippet($body, $len=null) {
global $config;
if (!isset($len))
$len = &$config['mod']['snippet_length'];
// Replace line breaks with some whitespace
$body = preg_replace('@<br/?>@i', ' ', $body);
// Strip tags but leave span tags which contain spoiler
$body_with_spoiler_tags = strip_tags($body,'<span>');
// Check for spoiler tags
$spoiler = preg_match("/spoiler/", $body_with_spoiler_tags);
// Strip tags
$body = strip_tags($body);
// Unescape HTML characters, to avoid splitting them in half
$body = html_entity_decode($body, ENT_COMPAT, 'UTF-8');
// calculate strlen() so we can add "..." after if needed
$strlen = mb_strlen($body);
$body = mb_substr($body, 0, $len);
if ($spoiler){
$value = "<span class=\"spoiler\">" . utf8tohtml($body) . "</span>";
}
else {
$value = utf8tohtml($body);
}
// Re-escape the characters.
return '<em>' . utf8tohtml($body) . ($strlen > $len ? '&hellip;' : '') . '</em>';
}
function capcode($cap) {
global $config;
if (!$cap)
return false;
$capcode = array();
if (isset($config['custom_capcode'][$cap])) {
if (is_array($config['custom_capcode'][$cap])) {
$capcode['cap'] = sprintf($config['custom_capcode'][$cap][0], $cap);
if (isset($config['custom_capcode'][$cap][1]))
$capcode['name'] = $config['custom_capcode'][$cap][1];
if (isset($config['custom_capcode'][$cap][2]))
$capcode['trip'] = $config['custom_capcode'][$cap][2];
} else {
$capcode['cap'] = sprintf($config['custom_capcode'][$cap], $cap);
}
} else {
$capcode['cap'] = sprintf($config['capcode'], $cap);
}
return $capcode;
}
function truncate($body, $url, $max_lines = false, $max_chars = false) {
global $config;
if ($max_lines === false)
$max_lines = $config['body_truncate'];
if ($max_chars === false)
$max_chars = $config['body_truncate_char'];
// We don't want to risk truncating in the middle of an HTML comment.
// It's easiest just to remove them all first.
$body = preg_replace('/<!--.*?-->/s', '', $body);
$original_body = $body;
$lines = substr_count($body, '<br/>');
// Limit line count
if ($lines > $max_lines) {
if (preg_match('/(((.*?)<br\/>){' . $max_lines . '})/', $body, $m))
$body = $m[0];
}
$body = mb_substr($body, 0, $max_chars);
if ($body != $original_body) {
// Remove any corrupt tags at the end
$body = preg_replace('/<([\w]+)?([^>]*)?$/', '', $body);
// Open tags
if (preg_match_all('/<([\w]+)[^>]*>/', $body, $open_tags)) {
$tags = array();
for ($x=0;$x<count($open_tags[0]);$x++) {
if (!preg_match('/\/(\s+)?>$/', $open_tags[0][$x]))
$tags[] = $open_tags[1][$x];
}
// List successfully closed tags
if (preg_match_all('/(<\/([\w]+))>/', $body, $closed_tags)) {
for ($x=0;$x<count($closed_tags[0]);$x++) {
unset($tags[array_search($closed_tags[2][$x], $tags)]);
}
}
// remove broken HTML entity at the end (if existent)
$body = preg_replace('/&[^;]+$/', '', $body);
$tags_no_close_needed = array("colgroup", "dd", "dt", "li", "optgroup", "option", "p", "tbody", "td", "tfoot", "th", "thead", "tr", "br", "img");
// Close any open tags
foreach ($tags as &$tag) {
if (!in_array($tag, $tags_no_close_needed))
$body .= "</{$tag}>";
}
} else {
// remove broken HTML entity at the end (if existent)
$body = preg_replace('/&[^;]*$/', '', $body);
}
$body .= '<span class="toolong">'.sprintf(_('Post too long. Click <a href="%s">here</a> to view the full text.'), $url).'</span>';
}
return $body;
}
function bidi_cleanup($data) {
// Closes all embedded RTL and LTR unicode formatting blocks in a string so that
// it can be used inside another without controlling its direction.
$explicits = '\xE2\x80\xAA|\xE2\x80\xAB|\xE2\x80\xAD|\xE2\x80\xAE';
$pdf = '\xE2\x80\xAC';
preg_match_all("!$explicits!", $data, $m1, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
preg_match_all("!$pdf!", $data, $m2, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
if (count($m1) || count($m2)){
$p = array();
foreach ($m1 as $m){ $p[$m[0][1]] = 'push'; }
foreach ($m2 as $m){ $p[$m[0][1]] = 'pop'; }
ksort($p);
$offset = 0;
$stack = 0;
foreach ($p as $pos => $type){
if ($type == 'push'){
$stack++;
}else{
if ($stack){
$stack--;
}else{
# we have a pop without a push - remove it
$data = substr($data, 0, $pos-$offset)
.substr($data, $pos+3-$offset);
$offset += 3;
}
}
}
# now add some pops if your stack is bigger than 0
for ($i=0; $i<$stack; $i++){
$data .= "\xE2\x80\xAC";
}
return $data;
}
return $data;
}
function secure_link_confirm($text, $title, $confirm_message, $href) {
global $config;
return '<a onclick="if (event.which==2) return true;if (confirm(\'' . htmlentities(addslashes($confirm_message)) . '\')) document.location=\'?/' . htmlspecialchars(addslashes($href . '/' . make_secure_link_token($href))) . '\';return false;" title="' . htmlentities($title) . '" href="?/' . $href . '">' . $text . '</a>';
}
function secure_link($href) {
return $href . '/' . make_secure_link_token($href);
}
function embed_html($link) {
global $config;
foreach ($config['embedding'] as $embed) {
if ($html = preg_replace($embed[0], $embed[1], $link)) {
if ($html == $link)
continue; // Nope
$html = str_replace('%%tb_width%%', $config['embed_width'], $html);
$html = str_replace('%%tb_height%%', $config['embed_height'], $html);
return $html;
}
}
if ($link[0] == '<') {
// Prior to v0.9.6-dev-8, HTML code for embedding was stored in the database instead of the link.
return $link;
}
return 'Embedding error.';
}
class Post {
public function __construct($post, $root=null, $mod=false) {
global $config;
if (!isset($root))
$root = &$config['root'];
foreach ($post as $key => $value) {
$this->{$key} = $value;
}
if (isset($this->files) && $this->files)
$this->files = @json_decode($this->files);
$this->subject = utf8tohtml($this->subject);
$this->name = utf8tohtml($this->name);
$this->mod = $mod;
$this->root = $root;
if ($this->embed)
$this->embed = embed_html($this->embed);
$this->modifiers = extract_modifiers($this->body_nomarkup);
if ($config['always_regenerate_markup']) {
$this->body = $this->body_nomarkup;
markup($this->body);
}
if ($this->mod)
// Fix internal links
// Very complicated regex
$this->body = preg_replace(
'/<a((([a-zA-Z]+="[^"]+")|[a-zA-Z]+=[a-zA-Z]+|\s)*)href="' . preg_quote($config['root'], '/') . '(' . sprintf(preg_quote($config['board_path'], '/'), $config['board_regex']) . ')/u',
'<a $1href="?/$4',
$this->body
);
}
public function link($pre = '', $page = false) {
global $config, $board;
return $this->root . $board['dir'] . $config['dir']['res'] . link_for((array)$this, $page == '50') . '#' . $pre . $this->id;
}
public function build($index=false) {
global $board, $config;
return Element('post_reply.html', array('config' => $config, 'board' => $board, 'post' => &$this, 'index' => $index, 'mod' => $this->mod));
}
};
class Thread {
public function __construct($post, $root = null, $mod = false, $hr = true) {
global $config;
if (!isset($root))
$root = &$config['root'];
foreach ($post as $key => $value) {
$this->{$key} = $value;
}
if (isset($this->files))
$this->files = @json_decode($this->files);
$this->subject = utf8tohtml($this->subject);
$this->name = utf8tohtml($this->name);
$this->mod = $mod;
$this->root = $root;
$this->hr = $hr;
$this->posts = array();
$this->omitted = 0;
$this->omitted_images = 0;
if ($this->embed)
$this->embed = embed_html($this->embed);
$this->modifiers = extract_modifiers($this->body_nomarkup);
if ($config['always_regenerate_markup']) {
$this->body = $this->body_nomarkup;
markup($this->body);
}
if ($this->mod)
// Fix internal links
// Very complicated regex
$this->body = preg_replace(
'/<a((([a-zA-Z]+="[^"]+")|[a-zA-Z]+=[a-zA-Z]+|\s)*)href="' . preg_quote($config['root'], '/') . '(' . sprintf(preg_quote($config['board_path'], '/'), $config['board_regex']) . ')/u',
'<a $1href="?/$4',
$this->body
);
}
public function link($pre = '', $page = false) {
global $config, $board;
return $this->root . $board['dir'] . $config['dir']['res'] . link_for((array)$this, $page == '50') . '#' . $pre . $this->id;
}
public function add(Post $post) {
$this->posts[] = $post;
}
public function postCount() {
return count($this->posts) + $this->omitted;
}
public function build($index=false, $isnoko50=false) {
global $board, $config, $debug;
$hasnoko50 = $this->postCount() >= $config['noko50_min'];
event('show-thread', $this);
$file = ($index && $config['file_board']) ? 'post_thread_fileboard.html' : 'post_thread.html';
$built = Element($file, array('config' => $config, 'board' => $board, 'post' => &$this, 'index' => $index, 'hasnoko50' => $hasnoko50, 'isnoko50' => $isnoko50, 'mod' => $this->mod));
return $built;
}
};