Webseite ohne Anmeldung läuft auf laravel
This commit is contained in:
Robert
373
M6/Dossier/emensa/public/index.php
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373
M6/Dossier/emensa/public/index.php
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<?php
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// start session
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session_start();
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// if session just started and uid is not set, add initial information such as user agent and ip address
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if (!isset($_SESSION['uid']))
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{
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$_SESSION['ipremote'] = $_SERVER['REMOTE_ADDR'];
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$_SESSION['useragent'] = $_SERVER['HTTP_USER_AGENT'];
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}
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else
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{
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// uid is set in session variables. User gets logged out in case of changed ip address and user agent.
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if ($_SESSION['ipremote'] !== $_SERVER['REMOTE_ADDR'] && $_SESSION['useragent'] !== $_SERVER['HTTP_USER_AGENT'])
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{
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session_unset();
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session_destroy();
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}
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// if client information has not changed just regenerate the session
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session_regenerate_id(true);
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}
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const VERBOSITY = 0;
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const PUBLIC_DIRNAME = "public";
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const CONFIG_WEBROUTES = "/../routes/web.php"; // like in laravel
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const CONFIG_DB = "/../config/db.php";
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const ROUTER_VERSION = '0.8.2';
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assert_php_version('8.2.0');
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assert_path();
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try {
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if (!file_exists(realpath($_SERVER['DOCUMENT_ROOT'] . "/../vendor/autoload.php"))) {
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echo "<h1>Abhängigkeiten nicht gefunden</h1><pre>DOCUMENT_ROOT: {$_SERVER['DOCUMENT_ROOT']}</pre><br><p>Datei nicht gefunden: <strong>{$_SERVER['DOCUMENT_ROOT']}/../vendor/autoload.php</strong></p>";
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echo "<p>Häufigste Ursache</p><ul>
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<li>Das Verzeichnis <code>public/</code> ist <em>nicht</em> als Wurzelverzeichnis verwendet worden.</li>
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<li>Die Abhängigkeiten wurden nicht mit <code>composer update</code> installiert.</code></li>
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</ul>";
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exit(1);
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}
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// file exists
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require_once realpath($_SERVER['DOCUMENT_ROOT'] . "/../vendor/autoload.php");
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} catch (Exception $ex) {
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echo "<code>DOCUMENT_ROOT</code><br><pre>{$_SERVER['DOCUMENT_ROOT']}</pre><code>Error</code><br><pre>" . $ex->getMessage() . "</pre>";
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}
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use eftec\bladeone\BladeOne;
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/* Routing Script for PHP Dev Server */
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$verbosity = VERBOSITY;
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if (preg_match('/\.(?:css|js|png|jpg|jpeg|gif)$/', $_SERVER["REQUEST_URI"])) {
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return false;
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} else {
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if ($verbosity > 1) {
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echo
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"<pre>Verbosity-Level: <strong>{$verbosity}</strong></pre>" .
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"<pre>" . print_r($_SERVER, 1) . "</pre><hr>";
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}
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FrontController::handleRequest("$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]", $_SERVER['REQUEST_METHOD'], VERBOSITY);
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}
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class RequestData
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{
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/**
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* @var array Request Querystring, broken down to key-value pairs
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*/
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public array $query;
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/**
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* @var array Request arguments from path, after cutting two segments out for controller and action names
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*/
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public array $args;
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/**
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* @var string HTTP Verb used
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*/
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public string $method;
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public function getData()
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{
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return array_merge($_GET, $_POST);
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}
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/**
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* @return array
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*/
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public function getPostData()
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{
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return $_POST;
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}
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/**
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* @return array
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*/
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public function getGetData()
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{
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return $_GET;
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}
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/**
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* RequestData is the way the Router will provide information, use it in your Action methods.
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* @param $method string Verb used
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* @param $args array Arguments
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* @param $query array Key-Value Pairs
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*/
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public function __construct($method, $args, $query)
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{
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$this->query = $query;
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$this->args = $args;
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$this->method = $method;
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}
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}
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class FrontController
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{
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public static function handleRequest($url, $method = 'GET', $verbosity = 0, $configPath = CONFIG_WEBROUTES)
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{
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assert_blade(); // check if the class is found
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if (!str_contains($url, ':')) $url = $_SERVER['HTTP_HOST'] . ':' . $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI'];
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$scriptPath = dirname(__FILE__, 2) . '/';
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$controllerDirectory = $scriptPath . 'controllers/';
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// get a router/web-like config array to override filebased convention
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$config = FrontController::getConfig($configPath);
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// /Impressum/ --> ImpressumController->index()
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$request = parse_url($url);
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$ctrlName = $request['path'];
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$actionName = 'index';
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$args = array();
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$query = array();
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parse_str($request['query'] ?? "", $query);
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// provide POST data
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if ($method != 'GET')
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$query = array_merge($query, $_REQUEST);
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// check, if route has two levels
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if (strpos($ctrlName, '/', 1) > 0) {
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$path = explode('/', $request['path']); // Werbeseite/Speise/1/mobile?pretty=true&user=marcel
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array_shift($path); // skip once
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$ctrlName = array_shift($path); // Werbeseite
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$actionName = array_shift($path); // Speise
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$args = $path; // remainder of path-parts // [1][mobile]
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if ($verbosity > 1) {
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echo "<pre>Request\n", print_r($request), "</pre>";
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echo "<pre>Path\n", print_r($path), "</pre>";
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echo "<pre>Query\n", print_r($query), "</pre>";
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}
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}
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// fix: trim slashes
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$ctrlName = trim($ctrlName, '/');
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$actionName = trim($actionName, '/');
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// $config based renaming of Controller/Action, precedes filebased convention
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// $config values must use syntax <ClassController>@<actionname>
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if (array_key_exists('/' . $ctrlName . '/' . $actionName, $config)) {
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$routingConfig = explode('@', $config['/' . $ctrlName . '/' . $actionName]);
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if ($verbosity > 0) {
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echo "<p>Routing Config matched request for <code>/" . $ctrlName . "/" . $actionName . "</code>:</p><p>routing config is</p><pre>" . print_r($routingConfig, 1) . '</pre>';
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}
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// important: overwriting controller and action name
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$ctrlClass = $routingConfig[0];
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$actionName = $routingConfig[1];
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} elseif (array_key_exists($request['path'], $config)) {
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// exact match on full path, this also means "/"
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$routingConfig = explode('@', $config[$request['path']]);
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if ($verbosity > 0) {
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echo "<p>Routing Config matched for full path <code>" . $request['path'] . "</code>:</p><p>routing config is</p><pre>" . print_r($routingConfig, 1) . '</pre>';
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}
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// important: overwriting controller and action name
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$ctrlClass = $routingConfig[0];
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$actionName = $routingConfig[1];
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} else {
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if ($verbosity > 0) {
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echo "Request $ctrlName/$actionName was not in \$config.";
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}
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// fall back to filebased convention: match controller classes in directory
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$ctrlClass = ucfirst($ctrlName . 'Controller');
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}
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$ctrlFile = ($ctrlClass . '.php');
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$validControllers = FrontController::getValidControllers($controllerDirectory);
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if (!in_array($controllerDirectory . $ctrlFile, $validControllers)) {
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if ($verbosity > 0) {
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echo "<div><p>Controller: $ctrlFile not found in</p><pre>" . print_r($validControllers, 1) . "</pre><p>Config Array:</p><pre>" . print_r($config, 1) . "</pre></div>";
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}
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// #ERROR
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FrontController::showErrorMessage("<h1>Web Software Error</h1><img alt='shrug' src='https://c.tenor.com/9TEDud6eP2UAAAAC/woody-woodpecker-shrug-shoulders.gif'>" .
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"<p>Keine entspreche Zuordnung der Route für {$ctrlName}::{$actionName} gefunden. Tippfehler in der Route?" .
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"<p>Es konnte keine Klasse <abbr title='Gesucht im Verzeichnis {$controllerDirectory}'>" . $ctrlFile . "</abbr> gefunden werden! Request fehlgeschlagen.</p>" .
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"<p> Prüfen Sie die Einträge in der Datei <code>config/web.php</code> und gleichen Sie den getätigten Aufruf damit ab.</p>");
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}
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// a file matching has been found, now try to load the class
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try {
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require_once $controllerDirectory . $ctrlFile;
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// instantiate the controller
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$controller = new $ctrlClass();
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$rd = new RequestData($method, $args, $query);
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if ($verbosity > 0) {
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var_dump($controller, $rd);
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}
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// the controller will load model and view and return some html
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print call_user_func_array(array($controller, $actionName), array($rd));
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} catch (Exception $ex) {
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// #ERROR
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FrontController::showErrorMessage(
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"<h2>Fehler in Controller " . get_class($controller) . "!</h2><p>Stellen Sie sicher, dass die Action/der Controller existiert.</p>
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<p>Das Routing Config-Array hat " . count($config) . " Einträge.</p>
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<p><strong>Exception text</strong><br>" . $ex->getMessage() . "</p>");
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}
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}
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public static function showErrorMessage($text, $severity = 3, $die = true)
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{
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$styles = array(0 => "background-color: #F08170; border: 2px solid lightgray; padding: 2em; margin: 5em; width: 50%; box-shadow: 0em 0em 1em #F08170;",
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1 => "background-color: #F08170; border: 2px solid lightgray; padding: 2em; margin: 5em; width: 50%; box-shadow: 0em 0em 1em #F08170;",
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2 => "background-color: #F08170; border: 2px solid lightgray; padding: 2em; margin: 5em; width: 50%; box-shadow: 0em 0em 1em #F08170;",
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3 => "background-color: #F08170; border: 2px solid lightgray; padding: 2em; margin: 5em; width: 50%; box-shadow: 0em 0em 1em #F08170;");
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print("<div style=\"{$styles[$severity]}\">{$text}</div>");
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if ($die) exit($severity);
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}
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public static function getConfig($configPath)
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{
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try {
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// load the $config Array from a file given in $configPath
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$path_to_config = realpath($_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . $configPath);
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// print("Path to config " . $path_to_config);
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$config = include $path_to_config;
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} catch (Exception $e) {
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print_r($e);
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$config = array('/' => 'HomeController@index');
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} finally {
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return $config;
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}
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}
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public static function getValidControllers($path = '')
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{
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if ($path == '') {
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$path = getcwd() . DIRECTORY_SEPARATOR . 'controllers' . DIRECTORY_SEPARATOR;
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}
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return glob($path . '*Controller.php');
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}
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}
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function connectdb()
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{
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$path_to_config_db = $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . CONFIG_DB;
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$config = include $path_to_config_db;
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$link = mysqli_connect( // Daten aus config/db.php
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$config['host'],
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$config['user'],
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$config['password'],
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$config['database'], // Auswahl der Datenbank
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$config['port'] ?? 3306);
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if (!$link) {
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FrontController::showErrorMessage("<h1>Verbindung mit der Datenbank nicht möglich</h1>
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<p style='margin-bottom: 2em;'>Verbindung fehlgeschlagen: <code>" . mysqli_connect_error() . "</code>.</p>
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<h2>Prüfen Sie</h2><ol><li>die Angaben in der Datei <code>config/db.php</code>:
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( ist Benutzer <code>{$config['user']}</code> an Datenbank <code>{$config['database']}</code> auf Server <code>{$config['host']}</code> korrekt?)<br>
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</li><li>ob Ihre Datenbank unter der oben gezeigten Adresse läuft </li></ol>");
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exit(1);
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}
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if (mysqli_connect_errno()) {
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FrontController::showErrorMessage("<h1>Verbindung mit der Datenbank nicht möglich</h1>
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<code>Fehlermeldung</code><pre>" . mysqli_connect_error() . "</pre>", 2, true);
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exit(1);
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}
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return $link;
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}
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function view($viewname, $viewargs = array())
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{
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$views = dirname(__DIR__) . '/views';
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$cache = dirname(__DIR__) . '/storage/cache';
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$blade = new BladeOne($views, $cache, BladeOne::MODE_DEBUG);
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return $blade->run($viewname, $viewargs);
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}
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/**
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* let the script die if the php minimum version is not met.
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* @param $minversion
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* @return void
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*/
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function assert_php_version($minversion = '8.0.0')
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{
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$version_too_low = 0;
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$minver = explode('.', $minversion);
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$version = explode('.', phpversion());
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if (intval($minver[0]) > intval($version[0])) {
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$version_too_low = 1;
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} elseif (intval($minver[1]) > intval($version[1])) {
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$version_too_low = 1;
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} elseif (intval($minver[2]) > intval($version[2])) {
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$version_too_low = 1;
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}
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if ($version_too_low) {
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FrontController::showErrorMessage("Diese PHP-Version wird nicht unterstützt: <strong>Minimum PHP Version " . $minversion . "</strong><br>Sie betreiben gerade PHP Version " . phpversion());
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exit(1);
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}
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// version is okay, go on.
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}
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/**
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* let the script die if the path contains problematic characters.
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* @return void
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*/
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function assert_path(): void
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{
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static $chars = array("[", "]", "{", "}");
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$charsfound = 0;
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str_ireplace($chars, '', $_SERVER['DOCUMENT_ROOT'], $charsfound);
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if ($charsfound > 0) {
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FrontController::showErrorMessage("<h1>Bitte verwenden Sie einen anderen Ordner für das Projekt!</h1>
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<p>Der Pfad <strong>" . $_SERVER['DOCUMENT_ROOT'] . "</strong> enthält <code>" . $charsfound . "</code> problematische Zeichen, die die korrekte Ausführung verhindern.</p>>
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<p>Bekannte problematische Zeichen sind</p>
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<pre> " . implode(" ", $chars) . " </pre>");
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exit(1);
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}
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}
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function assert_blade(): void
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{
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if (!class_exists('eftec\bladeone\BladeOne')) {
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// #ERROR
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FrontController::showErrorMessage("
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<h1>Fehler: Blade wurde nicht gefunden</h1>
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<p>Tipps für die Lösung:</p>
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<ul>
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<li><p>führen Sie im Terminal folgende Zeilen aus.</p>
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<ol>
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<li><code>php bin/composer.phar update</code> oder <code>php bin/composer.phar reinstall eftec/bladeone</code></li>
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<li><code>php bin/composer.phar dump-autoload</code></li>
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</ol>
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<li><p>Prüfen Sie im Anschluss: befindet sich in dem Ordner <code>vendor/eftec/bladeone/lib/</code> die Datei <code>BladeOne.php</code> ?</p></li>
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<li><p>Starten Sie dann den Webserver neu.</p></li>
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<li><p>Befragen Sie gerne auch das Forum in Ilias.</p></li>
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</ul>
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</div>");
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exit(1);
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}
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}
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use Monolog\Level;
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use Monolog\Logger;
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use Monolog\Handler\StreamHandler;
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function logger($name, $path){
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$fullpath = $path . '\\' . $name . '.txt';
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$log = new Logger($name);
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$log->pushHandler(new StreamHandler($fullpath), Level::Warning);
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return $log;
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}
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Reference in New Issue
Block a user