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www.mikescher.com/www/internals/website.php

216 lines
4.6 KiB
PHP

<?php
require_once 'ruleengine.php';
require_once 'urlroute.php';
require_once 'pageframeoptions.php';
require_once 'iwebsitemodule.php';
require_once 'modules.php';
require_once 'fragments.php';
require_once 'utils.php';
class Website
{
/** @var Website */
private static $instance;
/** @var array */
public $config;
/** @var bool|null */
private $isLoggedIn = null;
/** @var Modules */
public $modules;
/** @var Fragments */
public $fragments;
public function init()
{
set_error_handler("exception_error_handler"); // errors as exceptions for global catch
try
{
$this->config = require (__DIR__ . "/../config.php");
if (!$this->config['prod'])
{
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
}
$this->modules = new Modules($this);
$this->fragments = new Fragments();
self::$instance = $this;
}
catch (exception $e)
{
$this->serveServerError("Initialization failed", formatException($e), null);
}
}
public static function inst()
{
return self::$instance;
}
public function serve($rules)
{
try
{
$route = RuleEngine::findRoute($this, $rules);
$result = $route->get($this);
if ($result->force_redirect)
{
header('Location: ' . $result->force_redirect_url);
exit();
}
if ($result->force_404)
{
$this->serveCustom404($route->full_url, $result, $result->force_404_message);
exit();
}
$this->output($result, $route);
}
catch (Exception $e)
{
$this->serveServerError("Internal Server Error", formatException($e), null);
}
}
private function serveCustom404(string $uri, PageFrameOptions $frameOpt, string $message)
{
try
{
$frameOpt->statuscode = 404;
$frameOpt->title = 'Page not found';
$route = URLRoute::getNotFoundRoute($uri);
$route->parameter['message'] = $message;
$result = $route->getDirect($this, $frameOpt);
$this->output($result, $route);
}
catch (Exception $e)
{
$this->serveServerError("Internal Server Error", formatException($e), null);
}
exit();
}
/**
* @param string $message
* @param string|null $debugInfo
* @param PageFrameOptions|null $frameOpt
*/
private function serveServerError(string $message, $debugInfo, $frameOpt)
{
try
{
if ($frameOpt === null) $frameOpt = new PageFrameOptions();
$frameOpt->statuscode = 500;
$frameOpt->title = 'Internal Server Error';
$frameOpt->frame = 'error_frame.php';
$route = URLRoute::getServerErrorRoute($_SERVER['REQUEST_URI']);
$route->parameter['message'] = $message;
$route->parameter['debuginfo'] = $debugInfo;
$result = $route->getDirect($this, $frameOpt);
$this->output($result, $route);
}
catch (Exception $e)
{
http_response_code(500);
die('Internal Server Error');
}
exit();
}
private function output(PageFrameOptions $pfo, URLRoute $route)
{
if ($pfo->contentType !== null) header('Content-Type: ' . $pfo->contentType);
http_response_code($pfo->statuscode);
global $ROUTE;
global $FRAME_OPTIONS;
global $SITE;
$ROUTE = $route;
$FRAME_OPTIONS = $pfo;
$SITE = $this;
/** @noinspection PhpIncludeInspection */
require __DIR__ . '/../frames/' . $FRAME_OPTIONS->frame;
}
/**
* @return bool
*/
public function isProd()
{
if ($this->config == null) return true;
return $this->config['prod'];
}
public function isLoggedInByCookie()
{
if ($this->isLoggedIn !== null) return $this->isLoggedIn;
if (key_exists('mikescher_auth', $_COOKIE))
{
if (strlen($_COOKIE['mikescher_auth']) !== 64) return ($this->isLoggedIn = false);
$auth = hash('sha256', $this->config['admin_username'] . ';' . $this->config['admin_password'] . ';' . gmdate('Y-m-d'));
if ($auth === $_COOKIE['mikescher_auth']) return ($this->isLoggedIn = true);
}
return ($this->isLoggedIn = false);
}
function setLoginCookie($user, $pass)
{
$expires = time() + (24*60*60); // 24h
$hash = hash('sha256', $user . ';' . $pass . ';' . gmdate('Y-m-d'));
setcookie('mikescher_auth', $hash, $expires);
}
function clearLoginCookie()
{
setcookie("mikescher_auth", "", time()+30);
}
public function renderMarkdown(string $txt)
{
require_once 'parsedowncustom.php';
$pd = new ParsedownCustom();
return $pd->text($txt);
}
}
/**
* @param $severity
* @param $message
* @param $file
* @param $line
* @throws ErrorException
*/
function exception_error_handler($severity, $message, $file, $line) {
// This error code is not included in error_reporting
if (!(error_reporting() & $severity)) return;
throw new ErrorException($message, 0, $severity, $file, $line);
}