718 lines
21 KiB
PHP
718 lines
21 KiB
PHP
<?php
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require_once 'participoLib/dbConnector.php';
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require_once 'participoLib/user.php';
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require_once 'participoLib/event.php';
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require_once 'participoLib/eventPage.php';
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require_once 'participoLib/starter.php';
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require_once 'participoLib/planer.php';
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/**
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* FrameWork for the participoApp
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*/
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class participo
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{
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/** a page describing an event */
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private static $eventPage = null;
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/** getter for the eventPage, creates a new one if not already created */
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public static function eventPage()
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{
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if (!self::$eventPage) {
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self::$eventPage = new EventPage();
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}
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self::$eventPage->init();
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return self::$eventPage;
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}
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private static $db = null;
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private static $message = ['error' => null, 'success' => null, 'notice' => null];
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/** id of session user
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*
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* Session user describes the currently logged in user
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*
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* @var int>0
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*/
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private static $userId = null;
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private static $sessionUser = null;
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/** get session users id
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*
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* if not set so far it is loaded from the session cookies
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*
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* @return int id of session user
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*/
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public static function getSessionUserId()
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{
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if (!isset(self::$userId)) {
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self::$userId = $_SESSION['user']['userId'] ?? null;
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}
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self::$userId = filterId(self::$userId);
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return self::$userId;
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}
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/** lazy loading of the session user */
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public static function sessionUser(bool $forceLoading = true)
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{
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if (is_null(self::$sessionUser) || $forceLoading) {
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self::$sessionUser = User::loadFromDb(self::getSessionUserId());
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}
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return self::$sessionUser;
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}
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/** Returns the current login status
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*
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* The login status is stored in the session cookie. If it is not even set it means the login is invalid.
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*
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* @return bool true if the login status is true, false otherwise
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*/
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public static function isLoginValid()
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{
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return (isset($_SESSION) && array_key_exists('login', $_SESSION) && $_SESSION['login'] == true);
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}
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/** Remove all login data from the session data
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*
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* @return void
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*/
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public static function logout()
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{
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foreach (['login', 'user'] as $key) {
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unset($_SESSION[$key]);
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}
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}
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/** A little Box with the login status as html entity
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*
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* @return string htmlEntity showing the login status
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*/
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public static function htmlLoginStatus()
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{
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return
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'<div style="border: 1px solid black">' .
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'Datum: ' . date('Y-m-d') . '<br />' .
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'Eingeloggt als <strong>' . htmlspecialchars($_SESSION['user']['username']) . '</strong>.<br />' .
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'<a href="logout.php">Sitzung beenden</a>' .
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'</div>';
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}
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/** Checking if an action is allowed. A present apiKey overrides (and deletes) a present login.
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*
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* 1. If apiKey is present:
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* - chancel current login
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* - If apiKey is valid for requested action:
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* - set some session data
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* - return
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* 2. If there is a valid Login session:
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* - return
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* 3. redirect to Login Page
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*
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* @todo rename to authenticate (authorize?)
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*
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* @param $action the action we want to get authorized for (default=['login'])
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*
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* @retval void
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*/
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public static function authentificate($action = 'login')
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{
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// Ensure a session is started
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session_start();
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// check if an apiKey was received
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if (array_key_exists('apiKey', $_GET)) {
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self::logout();
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$key = ApiKey::loadFromDb($_GET['apiKey']);
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if (isset($key) && $key->isValidFor($action)) {
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$user = User::loadFromDb($key->getUserId());
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// case valid login: Set the session data
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$_SESSION = [
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'login' => true, //false,
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'apiKey' => $key->getKey(),
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'user' => [
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'username' => $user->getLoginName(),
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'userId' => $user->getId(),
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'userConfig' => $user->getConfig(),
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]
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];
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logLoginsToJsonFile($user->getLoginName());
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// we're not logged in, but authorized for the stuff we want to do. So don't redirect
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return;
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};
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}
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// if not returned yet: no login, no valid apiKey -> redirect to login page
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if (!self::isLoginValid()) {
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header('Location: login?returnToUrl=' . urlencode($_SERVER['REQUEST_URI'] . ($_POST['fragment'] ?? '')), true, 301);
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exit(); // shouldn't matter
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}
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}
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/** Initialize the participoApp
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*
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* - validate the login
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* - init the db connection
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*
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* @param [type] $config
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* @return void
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*/
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public static function init($config)
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{
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self::authentificate();
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self::initDb(
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$config['db']['host'],
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$config['db']['name'],
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$config['db']['user'],
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$config['db']['password']
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);
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}
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private static function initDb($host, $name, $user, $password)
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{
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dbConnector::connect($host, $name, $user, $password);
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}
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/** Framework to parse parameters get/post requests
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*
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* - Each param given in to this function is looked up in the request and put through the parsing function.
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* - Params in the request that aren't in given a parsing function aren't parsed and hence not returned.
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*
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* @param [array(paramName => parseFunction)] $params array of the name of the param and a sanitizer/parsing/input function
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* @return array(parsedParam=>paramValue) Associative array of the name of the param and its parsed value
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*/
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public static function parseParams($params)
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{
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$method = $_SERVER['REQUEST_METHOD'];
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$request = explode('/', substr(@$_SERVER['PATH_INFO'], 1));
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$parsedParams = [];
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foreach ($params as $paramName => $parseFunction) {
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$parsedParams[$paramName] = null;
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switch ($method) {
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// case 'PUT':
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// do_something_with_put($request);
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// break;
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case 'POST':
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$parsedParams[$paramName] = $parseFunction($_POST[$paramName]);
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break;
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case 'GET':
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$parsedParams[$paramName] = $parseFunction($_GET[$paramName]);
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break;
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default:
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// handle_error($request);
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break;
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}
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}
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return $parsedParams;
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}
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public static function getMessages()
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{
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return self::$message;
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}
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public static function addMessage($type, $message)
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{
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self::$message[$type] = (self::$message[$type] ?? '') . $message;
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}
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/** check password for user
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*
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* @param string $loginName user who wants to get in
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* @param string $password password for the user
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*
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* @retval true $password belongs to $loginName
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* @retval false otherwise
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*/
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public static function checkCredentials($loginName, $password)
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{
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sleep(1); // just to discourage brute force attacks
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// Check for dbConnection
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if (!dbConnector::getDbConnection()) {
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self::addMessage('error', '<div>No DbConnection available</div>');
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return false;
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}
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$user = User::loadFromDbByLoginName($loginName);
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// If there is no such user OR the password isn't valid the login fails
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if ($user == null || !$user->verifyPassword($password)) {
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sleep(5); // discourage brute force attacks
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self::addMessage('error', '<div>Falsches Passwort oder LoginName</div>');
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return false;
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}
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session_start();
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// case valid login: Set the session data
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$_SESSION = [
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'login' => true,
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'user' => [
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'username' => $user->getLoginName(),
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'userId' => $user->getId(),
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'userConfig' => $user->getConfig()
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]
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];
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// Logging Logins
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logLoginsToJsonFile($_SESSION['user']['username']);
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self::addMessage('success', '<div>Anmeldung erfolgreich</div>');
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return true;
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}
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/** Checks, if a user is an admin
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*
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* @param [type] $userId id of the user to check
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* @retval true user with id $userId has attribute "isAdmin"
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* @retval false otherwise
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*/
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public static function isUserAdmin($userId = null)
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{
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$userId = $userId ?? $_SESSION['user']['userId'];
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return self::hasUserAttribute($userId, 'isAdmin');
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}
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public static function getUserId()
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{
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}
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/** get current logged in users kids */
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public static function getKids($userId = null)
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{
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$userId = $userId ?? $_SESSION['user']['userId'] ?? null;
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$query =
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'SELECT * FROM `wkParticipo_Users` '
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. 'INNER JOIN `vormundschaft` '
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. 'ON `wkParticipo_Users`.`id` = `vormundschaft`.`kidId` '
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. 'INNER JOIN `wkParticipo_user<=>userAttributes` '
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. 'ON `wkParticipo_Users`.`id` = `wkParticipo_user<=>userAttributes`.`userId`'
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. 'WHERE `vormundschaft`.`userId` = :userId '
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. 'AND `vormundschaft`.`userId` = :userId '
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. 'AND `wkParticipo_user<=>userAttributes`.`attributeId` = 4;';
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$params = [':userId' => ['value' => $userId, 'data_type' => PDO::PARAM_INT]];
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$response = dbConnector::query($query, $params);
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$kids = [];
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foreach ($response as $r) {
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$kids[] = User::fromDbArray($r, ['id' => 'kidId']);
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}
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return $kids;
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}
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/** Check if one user is ward of another
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*
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* @param integer $kidId ID of the ward
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* @param integer|null $userId ID of the guardian, if null it is tried to read it from the session data
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* @return boolean true if kid is ward of user, false otherwise
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*/
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public static function isWardOf(int $kidId, int $userId = null)
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{
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// Try to get the Guard from the session data.
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$userId = $userId ?? $_SESSION['user']['userId'] ?? null;
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$query = 'SELECT `kidId` FROM `vormundschaft` WHERE `userId` = :userId AND `kidId` = :kidId;';
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$params = [
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':userId' => ['value' => $userId, 'data_type' => PDO::PARAM_INT],
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':kidId' => ['value' => $kidId, 'data_type' => PDO::PARAM_INT]
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];
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$response = dbConnector::query($query, $params);
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return (count($response) >= 1);
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}
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/** Checks, if a user as a certain attribute
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*
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* @param [type] $userId id of the user to check
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* @param [type] $attributeName string name of the attribute to check
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* @return boolean
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*/
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public static function hasUserAttribute($userId, $attributeName)
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{
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// sqlQuery: Select the user if it has the given attribute
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$query = <<<SQL
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SELECT `wkParticipo_user<=>userAttributes`.userId, `wkParticipo_userAttributes`.name
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FROM `wkParticipo_user<=>userAttributes` LEFT JOIN `wkParticipo_userAttributes`
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ON `wkParticipo_user<=>userAttributes`.`attributeId` = `wkParticipo_userAttributes`.`id`
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WHERE `wkParticipo_userAttributes`.name = :attributeName AND userId=:userId;
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SQL;
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$params = [
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':userId' => ['value' => $userId, 'data_type' => PDO::PARAM_INT],
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':attributeName' => ['value' => $attributeName, 'data_type' => PDO::PARAM_STR]
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];
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$attributedUsers = dbConnector::query($query, $params);
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// Since the id should be unique, there should only be one result this is just for dealing with empty arrays
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foreach ($attributedUsers as $u) {
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if ($u['userId'] == $userId) {
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return true;
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}
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}
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return false;
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}
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public static function getEventStarter($sinceDate = null)
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{
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$userId = $_SESSION['user']['userId'];
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if (!$sinceDate) {
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$sinceDate = 'CURDATE()';
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} else {
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$sinceDate = 'DATE("' . $sinceDate . '")';
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}
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$query = <<<SQL
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SELECT
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`wkParticipo_Events`.`date` as eventDate
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, `wkParticipo_Starter`.`id` as starterId
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, `wkParticipo_Users`.`name` as userName
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, `wkParticipo_Users`.`vorname` as userFirstname
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, `wettkampfkalender`.`veranstaltung` as eventName
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FROM `wkParticipo_Starter`
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LEFT JOIN `wkParticipo_Users` ON `wkParticipo_Starter`.`userId` = `wkParticipo_Users`.`id`
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LEFT JOIN `wkParticipo_Events` ON `wkParticipo_Starter`.`eventId` = `wkParticipo_Events`.`id`
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LEFT JOIN `wettkampfkalender` ON `wkParticipo_Events`.`wkId` = `wettkampfkalender`.`lfdeNr`
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LEFT JOIN `vormundschaft` ON `wkParticipo_Users`.`id` = `vormundschaft`.`kidId`
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WHERE `wkParticipo_Events`.`date` >= $sinceDate AND `vormundschaft`.`userId` = $userId
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ORDER BY `wkParticipo_Events`.`date` DESC;
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SQL;
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$comingStarts = dbConnector::query($query);
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return $comingStarts;
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}
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}
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/** Action element of an MaterializeCss (App-)card
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*/
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class AppCardAction
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{
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private $caption = null; //< Caption for the action
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private $link = '.'; //< link for the action
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/** Constructor for the AppAction
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*
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* @param string $caption caption for the action
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* @param string $link link to the action
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*/
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public function __construct($caption, $link = '.')
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{
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//! @todo input sanitation
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$this->link = $link;
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$this->caption = $caption;
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}
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/** Create htmlCode for the action
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*
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* @return string with htmlCode of the action
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*/
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public function htmlCode()
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{
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return '<a href="' . $this->link . '">' . $this->caption . '</a>';
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}
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/** Create AppCardAction from assoziative array
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*
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* @param array $member array with the member values
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* @return AppCardAction
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*/
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public static function fromArray($member)
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{
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$caption = $member['caption'] ?? null;
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$link = $member['link'] ?? '.';
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return new AppCardAction($caption, $link);
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}
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}
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/** MaterializeCss card for an App
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*/
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class AppCard
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{
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private $title = ''; //< title of the card
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private $description = ''; //< description of the App
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private $link = null; //< link for the card-content
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private $imgUrl = null; //< url for an image right under the title
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private $actionList = []; //< list of actions for the bottom of the card
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/**
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* Constructor for the AppCard
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*
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* @param string $title title of the card
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* @param string $description description of the card
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* @param string $link link for the card-content
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* @param string $imgUrl url for an image right under the title
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* @param array $actionList list of actions at the bottom of the card
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*/
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public function __construct($title, $description, $link = null, $imgUrl = null, $actionList = [])
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{
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//! @todo input sanitation
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$this->title = $title;
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$this->description = $description;
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$this->link = $link;
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$this->imgUrl = $imgUrl;
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$this->actionList = $actionList;
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}
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/**
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* Create htmlCode for the AppCard
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*
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* @return string html code for the AppCard
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*/
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public function htmlCode($options = [])
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{
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$extraClass = $options['extraClass'] ?? '';
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$actionListCode = '';
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foreach ($this->actionList as $a) {
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$actionListCode .= $a->htmlCode();
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}
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return
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'<div style="padding:1%;" class="col s12 m6 ' . $extraClass . '">' .
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'<div style="margin:1%;" class="card blue-grey darken-1">' .
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'<div class="card-content white-text">' .
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(($this->link != null) ? ('<a href="' . $this->link . '">') : ('')) . '<span class="card-title">' . $this->title . '</span>' . (($this->link != null) ? ('</a>') : ('')) .
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(($this->imgUrl != null) ? ('<img alt="' . $this->title . '" style="display:block;margin-left:auto;margin-right:auto;max-height:10vh;" class="responsive-img" src="' . $this->imgUrl . '" />') : ('')) .
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'<p>' . $this->description . '</p>' .
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'</div>' .
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'<div class="card-action">' . $actionListCode . '</div>' .
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'</div>' .
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'</div>';
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}
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/**
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* Create AppCard from an associative array
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*
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* @param array $member array with member as keys and values as the member values
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* @return AppCard from array values
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*/
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public static function fromArray($member)
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{
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$title = $member['title'] ?? '';
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$description = $member['description'] ?? '';
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$link = $member['link'] ?? null;
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$imgUrl = $member['imgUrl'] ?? null;
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$actionList = $member['actions'] ?? [];
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return new AppCard($title, $description, $link, $imgUrl, $actionList);
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}
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}
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/** Generate a html table of the last logins of the users
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*
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* @param string $jsonFileName path to the json file with the logged logins
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* @return string Html table of users last logins
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*/
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function lastLoginTable($jsonFileName = 'lastLogins.json')
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{
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// load the jsonfile into an associative array
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$lastLogins = json_decode(file_get_contents($jsonFileName), true);
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// collecting the last login of the users ...
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$lastLoginRows = [];
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foreach ($lastLogins as $userName => $lastLogins) {
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$lastLoginRows[$userName] = $lastLogins['lastLogins'][0];
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}
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// and sort it so the last login is first in line
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arsort($lastLoginRows);
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// build the table
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|
$lastLoginsTable =
|
|
'<table>' .
|
|
'<thead><tr><th>userName</th><th>lastLogin</th></tr></thead>' .
|
|
'<tbody>';
|
|
foreach ($lastLoginRows as $userName => $lastLogin) {
|
|
$lastLoginsTable .=
|
|
'<tr><td>' . $userName . '</td><td>' . $lastLogin . '</td></tr>';
|
|
}
|
|
$lastLoginsTable .=
|
|
'</tbody>' .
|
|
'</table>';
|
|
return $lastLoginsTable;
|
|
}
|
|
|
|
/// Eine Fehler/Warnung/Notiz/Erfolgsmeldung als divBox im String zurückgeben
|
|
function htmlRetMessage($anRetMessage)
|
|
{
|
|
$retHtmlString = '';
|
|
if (!empty($anRetMessage)) {
|
|
$retHtmlString .= '<div style="border: 1px solid;">';
|
|
if (!empty($anRetMessage['error'])) {
|
|
$retHtmlString .= '<div style="border: 1px solid;">';
|
|
$retHtmlString .= 'ERROR:<br />';
|
|
$retHtmlString .= $anRetMessage['error'];
|
|
$retHtmlString .= '</div>';
|
|
}
|
|
if (!empty($anRetMessage['warning'])) {
|
|
$retHtmlString .= '<div style="border: 1px solid;">';
|
|
$retHtmlString .= 'WARNING:<br />';
|
|
$retHtmlString .= $anRetMessage['warning'];
|
|
$retHtmlString .= '</div>';
|
|
}
|
|
if (!empty($anRetMessage['notice'])) {
|
|
$retHtmlString .= '<div style="border: 1px solid;">';
|
|
$retHtmlString .= 'Info:<br />';
|
|
$retHtmlString .= $anRetMessage['notice'];
|
|
$retHtmlString .= '</div>';
|
|
}
|
|
if (!empty($anRetMessage['success'])) {
|
|
$retHtmlString .= '<div style="border: 1px solid;">';
|
|
$retHtmlString .= 'SUCCESS:<br />';
|
|
$retHtmlString .= $anRetMessage['success'];
|
|
$retHtmlString .= '</div>';
|
|
}
|
|
$retHtmlString .= '</div>';
|
|
}
|
|
return $retHtmlString;
|
|
}
|
|
|
|
/** load a MarkdownFile with yaml header
|
|
*
|
|
* @param string $fileName filename of the markdown file
|
|
* @return array associative array('yaml'=>array(..), 'mdText'=>string) containing the yamlHeader as associative array and the markdown text as string
|
|
*/
|
|
function loadMarkdownFile($fileName)
|
|
{
|
|
// load the whole file
|
|
$fileText = file_get_contents($fileName);
|
|
// split at '---' to get ((),yamls,array)
|
|
$fileParts = preg_split('/[\n]*[-]{3}[\n]/', $fileText, 3);
|
|
// not all mdFiles have a yamlHeader, so the mdText can be at different indices
|
|
$yaml = [];
|
|
$mdText = '';
|
|
switch(count($fileParts)) {
|
|
case 1:{
|
|
$mdText = $fileParts[0];
|
|
break;
|
|
}
|
|
case 3:{
|
|
$yaml = Spyc::YAMLLoadString($fileParts[1]);
|
|
$mdText = $fileParts[2];
|
|
break;
|
|
}
|
|
default:{
|
|
$mdText = $fileText;
|
|
}
|
|
}
|
|
// get a title, if none is in the markdown
|
|
if (!array_key_exists('title', $yaml)) {
|
|
// find the first heading, set it as header and remove it from the markdown
|
|
if (preg_match('/^#(.*)$/m', $mdText, $matches)) {
|
|
$yaml['title'] = $matches[1];
|
|
$mdText = preg_replace('/^#(.*)$/m', '', $mdText, 1);
|
|
} else {
|
|
// fallback for the title, if not even one heading is found
|
|
$yaml['title'] = '<fehlender Titel>';
|
|
}
|
|
}
|
|
|
|
return [
|
|
'yaml' => $yaml, 'mdText' => $mdText
|
|
];
|
|
}
|
|
|
|
/** Log the Login of an user into a logFile
|
|
*
|
|
* @param string $userName name of the user
|
|
* @param string $fileName filename to log to
|
|
* @return void
|
|
*/
|
|
function logLoginsToJsonFile($userName, $fileName = 'lastLogins.json')
|
|
{
|
|
try {
|
|
$lastLogins = json_decode(file_get_contents($fileName), true);
|
|
if ($lastLogins == null) {
|
|
return;
|
|
}
|
|
if (!array_key_exists($userName, $lastLogins)) {
|
|
$lastLogins[$userName] = [];
|
|
}
|
|
if (!array_key_exists('lastLogins', $lastLogins[$userName])) {
|
|
$lastLogins[$userName]['lastLogins'] = [];
|
|
}
|
|
$usersLastLogins = $lastLogins[$userName]['lastLogins'];
|
|
$usersLastLogins = array_merge([date('Y-m-d H:i:s')], $usersLastLogins);
|
|
$usersLastLogins = array_slice($usersLastLogins, 0, 10);
|
|
$lastLogins[$userName]['lastLogins'] = $usersLastLogins;
|
|
file_put_contents($fileName, json_encode($lastLogins));
|
|
} catch (Exception $e) {
|
|
// silently ignore errors
|
|
}
|
|
}
|
|
|
|
/// @brief Gibt die URL der gerade aufgerufenen Seite zurück
|
|
function getCurPagesUrl()
|
|
{
|
|
$pageURL = 'http';
|
|
if ($_SERVER['HTTPS'] == 'on') {
|
|
$pageURL .= 's';
|
|
}
|
|
$pageURL .= '://';
|
|
if ($_SERVER['SERVER_PORT'] != '80') {
|
|
$pageURL .= $_SERVER['SERVER_NAME'] . ':' . $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI'];
|
|
} else {
|
|
$pageURL .= $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
|
|
}
|
|
return $pageURL;
|
|
}
|
|
|
|
/** space saving way to put a date
|
|
*
|
|
* @param [DateTime] $date
|
|
* @return string html tag containing the date
|
|
*/
|
|
function getHtmlSquareDate($date = null)
|
|
{
|
|
$date = $date ?? new DateTime;
|
|
|
|
$year = $date->format('Y');
|
|
$month = $date->format('M');
|
|
$day = $date->format('d');
|
|
|
|
return
|
|
'<div>'
|
|
. '<div>'
|
|
. '<span style="font-size:large">' . $day . '</span>'
|
|
. '<span style="writing-mode: sideways-lr">' . $month . '</span>'
|
|
. '</div>'
|
|
. '<div style="font-size: small">' . $year . '</div>'
|
|
. '</div>';
|
|
}
|
|
|
|
/** filter_var for a pos int
|
|
*
|
|
* check for int; null is default; only values > 0 are excepted
|
|
*
|
|
* @param [type] $id
|
|
* @retval int>0 filtered id
|
|
* @retval null sth. went wrong
|
|
* */
|
|
function filterPosInt($id)
|
|
{
|
|
return filter_var($id, FILTER_VALIDATE_INT, ['options' => ['default' => null, 'min_range' => 1]]);
|
|
}
|
|
|
|
/** filter_var for a (db)id
|
|
*
|
|
* check for valid id; null is default; only values > 0 are excepted
|
|
*
|
|
* @param [type] $id
|
|
* @retval int>0 filtered id
|
|
* @retval null sth. went wrong
|
|
*/
|
|
function filterId($id)
|
|
{
|
|
return filterPosInt($id);
|
|
}
|
|
|
|
/** filter a variable as count
|
|
*
|
|
* - count means a non negative integer
|
|
* - helper function to stay DRY
|
|
*
|
|
* @param mixed $variable
|
|
* @param integer $min
|
|
* @return integer the input variable as integer >= 0
|
|
*/
|
|
function filterCount($variable, int $min = 0)
|
|
{
|
|
return filter_var($variable, FILTER_VALIDATE_INT, ['options' => ['default' => null, 'min_range' => 1]]);
|
|
}
|