<?php
/* Copyright (C) 2016-2017 Laurent Destailleur  <eldy@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 *
 * Note about $_SERVER:
 * REQUEST_URI: /test/before_rewrite/script.php/path/info?q=helloword
 * PHP_SELF: /test/after_rewrite/script.php/path/info
 * QUERY_STRING: q=helloword
 * SCRIPT_NAME: /test/after_rewrite/script.php
 * PATH_INFO: /path/info
 * SCRIPT_FILENAME: /var/www/test/php/script.php
 * __FILE__ : /var/www/test/php/script_included.php
 */

/**
 *     	\file       htdocs/public/website/index.php
 *		\ingroup    website
 *		\brief      Wrapper to output pages when website is powered by Dolibarr instead of a native web server
 */

if (!defined('NOTOKENRENEWAL')) {
	define('NOTOKENRENEWAL', 1); // Disables token renewal
}
if (!defined('NOLOGIN')) {
	define("NOLOGIN", 1);
}
if (!defined('NOCSRFCHECK')) {
	define("NOCSRFCHECK", 1); // We accept to go on this page from external web site.
}
if (!defined('NOREQUIREMENU')) {
	define('NOREQUIREMENU', '1');
}
if (!defined('NOREQUIREHTML')) {
	define('NOREQUIREHTML', '1');
}
if (!defined('NOREQUIREAJAX')) {
	define('NOREQUIREAJAX', '1');
}
if (!defined('NOIPCHECK')) {
	define('NOIPCHECK', '1'); // Do not check IP defined into conf $dolibarr_main_restrict_ip
}
if (!defined('NOBROWSERNOTIF')) {
	define('NOBROWSERNOTIF', '1');
}

/**
 * Header empty
 *
 * @return	void
 */
function llxHeader()
{
}
/**
 * Footer empty
 *
 * @return	void
 */
function llxFooter()
{
}

require '../../master.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';


$error = 0;
$websitekey = GETPOST('website', 'alpha');
$pageid = GETPOST('page', 'alpha') ?GETPOST('page', 'alpha') : GETPOST('pageid', 'alpha');
$pageref = GETPOST('pageref', 'alphanohtml') ?GETPOST('pageref', 'alphanohtml') : '';

$accessallowed = 1;
$type = '';


if (empty($pageid)) {
	require_once DOL_DOCUMENT_ROOT.'/website/class/website.class.php';
	require_once DOL_DOCUMENT_ROOT.'/website/class/websitepage.class.php';

	$object = new Website($db);
	$object->fetch(0, $websitekey);

	if (empty($object->id)) {
		if (empty($pageid)) {
			// Return header 404
			header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found", true, 404);

			include DOL_DOCUMENT_ROOT.'/public/error-404.php';
			exit;
		}
	}

	$objectpage = new WebsitePage($db);

	if ($pageref) {
		$result = $objectpage->fetch(0, $object->id, $pageref);
		if ($result > 0) {
			$pageid = $objectpage->id;
		} elseif ($result == 0) {
			// Page not found from ref=pageurl, we try using alternative alias
			$result = $objectpage->fetch(0, $object->id, null, $pageref);
			if ($result > 0) {
				$pageid = $objectpage->id;
			}
		}
	} else {
		if ($object->fk_default_home > 0) {
			$result = $objectpage->fetch($object->fk_default_home);
			if ($result > 0) {
				$pageid = $objectpage->id;
			}
		}

		if (empty($pageid)) {
			$array = $objectpage->fetchAll($object->id); // TODO Can filter on container of type pages only ?
			if (is_array($array) && count($array) > 0) {
				$firstrep = reset($array);
				$pageid = $firstrep->id;
			}
		}
	}
}
if (empty($pageid)) {
	// Return header 404
	header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found", true, 404);

	$langs->load("website");

	if (!GETPOSTISSET('pageref')) {
		print $langs->trans("PreviewOfSiteNotYetAvailable", $websitekey);
	}

	include DOL_DOCUMENT_ROOT.'/public/error-404.php';
	exit;
}

$appli = constant('DOL_APPLICATION_TITLE');
if (!empty($conf->global->MAIN_APPLICATION_TITLE)) {
	$appli = $conf->global->MAIN_APPLICATION_TITLE;
}


/*
 * View
 */

//print 'Directory with '.$appli.' websites.<br>';


// Security: Delete string ../ into $original_file
global $dolibarr_main_data_root;

if ($pageid == 'css') {   // No more used ?
	header('Content-type: text/css');
	// Important: Following code is to avoid page request by browser and PHP CPU at each Dolibarr page access.
	//if (empty($dolibarr_nocache)) header('Cache-Control: max-age=3600, public, must-revalidate');
	//else
	header('Cache-Control: no-cache');
	$original_file = $dolibarr_main_data_root.($conf->entity > 1 ? '/'.$conf->entity : '').'/website/'.$websitekey.'/styles.css.php';
} else {
	$original_file = $dolibarr_main_data_root.($conf->entity > 1 ? '/'.$conf->entity : '').'/website/'.$websitekey.'/page'.$pageid.'.tpl.php';
}

// Find the subdirectory name as the reference
$refname = basename(dirname($original_file)."/");

// Security:
// Limite acces si droits non corrects
if (!$accessallowed) {
	accessforbidden();
}

// Security:
// On interdit les remontees de repertoire ainsi que les pipe dans
// les noms de fichiers.
if (preg_match('/\.\./', $original_file) || preg_match('/[<>|]/', $original_file)) {
	dol_syslog("Refused to deliver file ".$original_file);
	$file = basename($original_file); // Do no show plain path of original_file in shown error message
	dol_print_error(0, $langs->trans("ErrorFileNameInvalid", $file));
	exit;
}

clearstatcache();

$filename = basename($original_file);

// Output file on browser
dol_syslog("index.php include $original_file $filename content-type=$type");
$original_file_osencoded = dol_osencode($original_file); // New file name encoded in OS encoding charset

// This test if file exists should be useless. We keep it to find bug more easily
if (!file_exists($original_file_osencoded)) {
	// Return header 404
	header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found", true, 404);

	$langs->load("website");
	print $langs->trans("RequestedPageHasNoContentYet", $pageid);

	include DOL_DOCUMENT_ROOT.'/public/error-404.php';
	exit;
}


// Output page content
define('USEDOLIBARRSERVER', 1);
print '<!-- Page content '.$original_file.' rendered with DOLIBARR SERVER : Html with CSS link and html header + Body that was saved into tpl dir -->'."\n";
include_once $original_file_osencoded; // Note: The pageXXX.tpl.php showed here contains a formatage with dolWebsiteOutput() at end of page.

if (is_object($db)) {
	$db->close();
}