Source code of Leftypol imageboard
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217 lines
6.0 KiB

<?php
require_once("inc/functions.php");
if (!$config['smart_build'] && !$config["smart_build_helper"]) {
die('You need to enable $config["smart_build"] or $config["smart_build_helper"]');
}
$config['smart_build'] = false; // Let's disable it, so we can build the page for real
function after_open_board() { global $config;
$config['smart_build'] = false;
};
function sb_board($b, $page = 1) { global $config, $build_pages; $page = (int)$page;
if ($page < 1) return false;
if (!openBoard($b)) return false;
if ($page > $config['max_pages']) return false;
$config['try_smarter'] = true;
$build_pages = array($page);
buildIndex("skip");
return true;
}
function sb_api_board($b, $page = 0) { $page = (int)$page;
return sb_board($b, $page + 1);
}
function sb_thread($b, $thread, $slugcheck = false) { global $config; $thread = (int)$thread;
if ($thread < 1) return false;
if (!preg_match('/^'.$config['board_regex'].'$/u', $b)) return false;
if (Cache::get("thread_exists_".$b."_".$thread) == "no") return false;
$query = prepare(sprintf("SELECT MAX(`id`) AS `max` FROM ``posts_%s``", $b));
if (!$query->execute()) return false;
$s = $query->fetch(PDO::FETCH_ASSOC);
$max = $s['max'];
if ($thread > $max) return false;
$query = prepare(sprintf("SELECT `id` FROM ``posts_%s`` WHERE `id` = :id AND `thread` IS NULL", $b));
$query->bindValue(':id', $thread);
if (!$query->execute() || !$query->fetch(PDO::FETCH_ASSOC) ) {
Cache::set("thread_exists_".$b."_".$thread, "no", 3600);
return false;
}
if ($slugcheck && $config['slugify']) {
global $request;
$link = link_for(array("id" => $thread), $slugcheck === 50, array("uri" => $b));
$link = "/".$b."/".$config['dir']['res'].$link;
if ($link != $request) {
header("Location: $link", true, 301);
die();
}
}
if ($slugcheck == 50) { // Should we really generate +50 page? Maybe there are not enough posts anyway
global $request;
$r = str_replace("+50", "", $request);
$r = substr($r, 1); // Cut the slash
if (file_exists($r)) return false;
}
if (!openBoard($b)) return false;
buildThread($thread);
return true;
}
function sb_thread_slugcheck($b, $thread) {
return sb_thread($b, $thread, true);
}
function sb_thread_slugcheck50($b, $thread) {
return sb_thread($b, $thread, 50);
}
function sb_api($b) { global $config, $build_pages;
if (!openBoard($b)) return false;
$config['try_smarter'] = true;
$build_pages = array(-1);
buildIndex();
return true;
}
function sb_ukko() {
rebuildTheme("ukko", "post-thread");
return true;
}
function sb_catalog($b) {
if (!openBoard($b)) return false;
rebuildTheme("catalog", "post-thread", $b);
return true;
}
function sb_recent() {
rebuildTheme("recent", "post-thread");
return true;
}
function sb_sitemap() {
rebuildTheme("sitemap", "all");
return true;
}
$entrypoints = array();
$entrypoints['/%b/'] = 'sb_board';
$entrypoints['/%b/'.$config['file_index']] = 'sb_board';
$entrypoints['/%b/'.$config['file_page']] = 'sb_board';
$entrypoints['/%b/%d.json'] = 'sb_api_board';
if ($config['api']['enabled']) {
$entrypoints['/%b/threads.json'] = 'sb_api';
$entrypoints['/%b/catalog.json'] = 'sb_api';
}
$entrypoints['/%b/'.$config['dir']['res'].$config['file_page']] = 'sb_thread_slugcheck';
$entrypoints['/%b/'.$config['dir']['res'].$config['file_page50']] = 'sb_thread_slugcheck50';
if ($config['slugify']) {
$entrypoints['/%b/'.$config['dir']['res'].$config['file_page_slug']] = 'sb_thread_slugcheck';
$entrypoints['/%b/'.$config['dir']['res'].$config['file_page50_slug']] = 'sb_thread_slugcheck50';
}
if ($config['api']['enabled']) {
$entrypoints['/%b/'.$config['dir']['res'].'%d.json'] = 'sb_thread';
}
$entrypoints['/*/'] = 'sb_ukko';
$entrypoints['/*/index.html'] = 'sb_ukko';
$entrypoints['/recent.html'] = 'sb_recent';
$entrypoints['/%b/catalog.html'] = 'sb_catalog';
$entrypoints['/sitemap.xml'] = 'sb_sitemap';
$reached = false;
$request = $_SERVER['REQUEST_URI'];
list($request) = explode('?', $request);
foreach ($entrypoints as $id => $fun) {
$id = '@^' . preg_quote($id, '@') . '$@u';
$id = str_replace('%b', '('.$config['board_regex'].')', $id);
$id = str_replace('%d', '([0-9]+)', $id);
$id = str_replace('%s', '[a-zA-Z0-9-]+', $id);
$matches = null;
if (preg_match ($id, $request, $matches)) {
array_shift($matches);
$reached = call_user_func_array($fun, $matches);
break;
}
}
function die_404() { global $config;
if (!$config['page_404']) {
header("HTTP/1.1 404 Not Found");
header("Status: 404 Not Found");
echo "<h1>404 Not Found</h1><p>Page doesn't exist<hr><address>vichan</address>";
}
else {
header("Location: ".$config['page_404']);
}
header("X-Accel-Expires: 120");
die();
}
if ($reached) {
if ($request[strlen($request)-1] == '/') {
$request .= 'index.html';
}
$request = '.'.$request;
if (!file_exists($request)) {
die_404();
}
header("HTTP/1.1 200 OK");
header("Status: 200 OK");
if (preg_match('/\.json$/', $request)) {
header("Content-Type", "application/json");
}
elseif (preg_match('/\.js$/', $request)) {
header("Content-Type", "text/javascript; charset=utf-8");
}
elseif (preg_match('/\.xml$/', $request)) {
header("Content-Type", "application/xml");
}
else {
header("Content-Type", "text/html; charset=utf-8");
}
header("Cache-Control: public, nocache, no-cache, max-age=0, must-revalidate");
header("Expires: Fri, 22 Feb 1991 06:00:00 GMT");
header("Last-Modified: ".date('r', filemtime($request)));
//if (isset ($_SERVER['HTTP_ACCEPT_ENCODING']) && preg_match('/gzip/', $_SERVER['HTTP_ACCEPT_ENCODING']) && file_exists($request.".gz")) {
// header("Content-Encoding: gzip");
// $file = fopen($request.".gz", 'r');
//}
//else {
$file = fopen($request, 'r');
//}
fpassthru($file);
fclose($file);
}
else {
die_404();
}