copy a few files from mvu fork

2020-01-13 14:39:35 +01:00
parent 4da4c47915
commit d5783efff7
6 changed files with 445 additions and 17 deletions
--- a/www/internals/website.php
+++ b/www/internals/website.php
@@ -0,0 +1,176 @@
+<?php if(count(get_included_files()) ==1) exit("Direct access not permitted.");
+
+require_once 'ruleengine.php';
+require_once 'urlroute.php';
+require_once 'pageframeoptions.php';
+
+class Website
+{
+	/** @var Website */
+	private static $instance;
+
+	/** @var array */
+	private $config;
+
+	public function init()
+	{
+		set_error_handler("exception_error_handler"); // errors as exceptions for global catch
+
+		try
+		{
+			$this->config = require (__DIR__ . "/config.php");
+		}
+		catch (exception $e)
+		{
+			$this->serveServerError("config.php not found", formatException($e), null);
+		}
+
+		try
+		{
+			if (!$this->config['prod'])
+			{
+				ini_set('display_errors', 1);
+				ini_set('display_startup_errors', 1);
+				error_reporting(E_ALL);
+			}
+
+			self::$instance = $this;
+		}
+		catch (exception $e)
+		{
+			$this->serveServerError("Initialization failed", formatException($e), null);
+		}
+	}
+
+	public static function getInstance()
+	{
+		return self::$instance;
+	}
+
+	public function serve($rules)
+	{
+		try
+		{
+			$route = RuleEngine::findRoute($this, $rules);
+
+			$result = $route->get($this);
+
+			if ($result->force_404)
+			{
+				$this->serveCustom404($route->full_url, $result);
+				exit();
+			}
+
+			if ($result->contentType !== null) header('Content-Type: ' . $result->contentType);
+			http_response_code($result->statuscode);
+
+			$this->output($result, $route);
+
+			exit();
+		}
+		catch (Exception $e)
+		{
+			$this->serveServerError(null, formatException($e), null);
+		}
+	}
+
+	private function serveCustom404(string $uri, PageFrameOptions $frameOpt)
+	{
+		try
+		{
+			@ob_end_clean();
+
+			$frameOpt->statuscode = 404;
+			$frameOpt->title = 'Page not found';
+
+			$route = URLRoute::getNotFoundRoute($uri);
+
+			$result = $route->getDirect($this, $frameOpt);
+
+			$this->output($result, $route);
+		}
+		catch (Exception $e)
+		{
+			$this->serveServerError(null, formatException($e), null);
+		}
+
+		exit();
+	}
+
+	/**
+	 * @param string|null $message
+	 * @param string|null $debugInfo
+	 * @param PageFrameOptions|null $frameOpt
+	 */
+	private function serveServerError($message, $debugInfo, $frameOpt)
+	{
+		try
+		{
+			@ob_end_clean();
+
+			if ($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();
+	}
+
+	/**
+	 * @param PageFrameOptions $pfo
+	 * @param URLRoute $route
+	 */
+	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 $APP;
+		$ROUTE = $route;
+		$FRAME_OPTIONS = $pfo;
+		$APP = $this;
+
+		/** @noinspection PhpIncludeInspection */
+		require __DIR__ . '/../pages/frame/' . $FRAME_OPTIONS->frame;
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function isProd()
+	{
+		if ($this->config == null) return true;
+		return $this->config['prod'];
+	}
+}
+
+/**
+ * @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);
+}