<?php
set_time_limit(0);

ini_set('error_reporting', E_ALL);
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
if(file_exists('inc/custom.php')){
	include('inc/custom.php');
}
if(file_exists('db/' . $_SERVER['HTTP_HOST'] . '.db')){
	$db = new SQLite3('db/' . $_SERVER['HTTP_HOST'] . '.db');
}else{
	header('HTTP/1.0 403 Forbidden');
	exit();
}
$settingsQuery = $db->query('SELECT * FROM `settings`');
$settingsResult = $settingsQuery->fetchArray();

$sitemapName = $settingsResult['sitemap_name'] . $settingsResult['page_ext'];
$sitemapPerPage = $settingsResult['sitemap_per_page'];

if(!file_exists('.htaccess')) file_put_contents('.htaccess', 'DirectoryIndex index.php
AddDefaultCharset UTF-8
Options +FollowSymLinks

RewriteEngine On
RewriteBase /

RewriteCond %{HTTP_HOST} ^www\.(.+)$
RewriteRule ^(.*)$ http://%1/$1 [R=301,L]

RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]');

$thisDomain = $_SERVER['HTTP_HOST'];
$thisPath = parse_url($_SERVER['REQUEST_URI']);
$thisPath = $thisPath['path'];

$statement = $db->prepare('SELECT * FROM `content` WHERE `pub` <= :time ORDER BY `id`');
$statement->bindValue(':time', time());
$dbQuery = $statement->execute();

if($thisPath == '/sitemap.xml'){
	$statement = $db->prepare('SELECT * FROM `content` WHERE `pub` <= :time');
	$statement->bindValue(':time', time());
	$dbQuery = $statement->execute();

	header("Content-Type: text/xml");
	echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n" . '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n";
	while($row = $dbQuery->fetchArray()){
		if($row['alias'] == 'sitemap' or $row['alias'] == '/' or !strstr($row['alias'], $settingsResult['page_ext'])) continue;
		echo '<url>' . "\n" . '<loc>http://' . $_SERVER['HTTP_HOST'] . '/' . $row['alias'] . '</loc>' . "\n" . '<changefreq>weekly</changefreq>' . "\n" . '</url>' . "\n";
	}
	echo '</urlset>';
}elseif($thisPath == '/' . $sitemapName){
	if(isset($_GET['page'])){
		$page = $_GET['page'] - 1;
	}else{
		$page = 0;
	}

	$countQuery = $db->query('SELECT COUNT(*) FROM `content` WHERE `pub` <= ' . time());
	$countResult = $countQuery->fetchArray();
	$countResult = $countResult[0];

	$sitemapQuery = $db->query('SELECT * FROM `content` WHERE `alias` = "sitemap" LIMIT 1');
	$sitemapResult = $sitemapQuery->fetchArray();
	$sitemapResult = $sitemapResult['text'];

	$startFrom = abs($page * $sitemapPerPage);
	$statement = $db->prepare('SELECT * FROM `content` WHERE `pub` <= :time ORDER BY `id` LIMIT ' . $startFrom . ', ' . $sitemapPerPage);
	$statement->bindValue(':time', time());
	$dbQuery = $statement->execute();

	$sitemapList = '';
	while($row = $dbQuery->fetchArray()){
		if($row['alias'] == 'sitemap' or $row['alias'] == '/' or !strstr($row['alias'], $settingsResult['page_ext'])) continue;
		$sitemapList .= '<li><a href="http://' . $_SERVER['HTTP_HOST'] . $row['alias'] . '">' . mb_ucfirst($row['key']) . '</a></li>';
	}

	$sitemapPageList = '';
	for($i = 0; $i < ceil($countResult / $sitemapPerPage); $i++){
		$sitemapPageList .= '<li><a href="http://' . $_SERVER['HTTP_HOST'] . '/' . $sitemapName . '?page=' . ($i + 1) .'">' . ($i + 1) . '</a></li>';
	}
	$sitemapResult = str_replace('[sitemap_list]', $sitemapList, $sitemapResult);
	$sitemapResult = str_replace('[sitemap_nums]', $sitemapPageList, $sitemapResult);
	$sitemapResult = str_replace('[sitemap_num]', $page + 1, $sitemapResult);
	if(file_exists('inc/code.txt')){
		$sitemapResult = str_replace('</body>', file_get_contents('inc/code.txt') . '</body>', $sitemapResult);
	}
	echo $sitemapResult;
}elseif($thisPath == '/robots.txt'){
	header('Content-Type:text/plain');
	echo "User-agent: *\nDisallow:\nHost: " . $_SERVER['HTTP_HOST'] . "\nSitemap: http://" . $_SERVER['HTTP_HOST'] . "/sitemap.xml";
}else{
	$statement = $db->prepare('SELECT * FROM `content` WHERE `alias` = :uri LIMIT 1');
	$statement->bindValue(':uri', $thisPath);
	$dbQuery = $statement->execute();
	$dbResult = $dbQuery->fetchArray();
	if($dbResult){
		$nowContent = $dbResult['text'];
		if(file_exists('code.txt')){
			$nowContent = str_replace('</body>', file_get_contents('code.txt') . '</body>', $nowContent);
		}
		while(true){
			if(preg_match('@\<\?php(.*?)\\?\>@si', $nowContent, $regex)){
				eval($regex[1]);
				$nowContent = str_replace($regex[0], '', $nowContent);
			}else{
				break;
			}
		}
		echo $nowContent;
	}else{
		header('Location: /', true, 301);
	}
}

$db->close();
function mb_ucfirst($str, $encoding='UTF-8'){
	$str = trim($str);
	$str = mb_ereg_replace('^[\ ]+', '', $str);
	$str = mb_strtoupper(mb_substr($str, 0, 1, $encoding), $encoding) . mb_substr($str, 1, mb_strlen($str), $encoding);
	return $str;
}
?>