Implementation des validators und korrektes einbinden
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@@ -5,11 +5,12 @@ if (session_status() === PHP_SESSION_NONE) {
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require_once '../model/LocalArticleManager.php';
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require_once '../model/ArticleManager.php';
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require_once '../model/Article.php';
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require_once '../validator/search-validator.php';
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if ($_SERVER["REQUEST_METHOD"] === "GET" && isset($_GET["q"])) {
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$search = trim($_GET["q"]);
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if (empty($search)) {
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if (!searchQueryValidator($search)) {
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$_SESSION["search_results"] = [];
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$_SESSION["search_query"] = "";
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$_SESSION["message"] = "missing_parameters";
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@@ -51,6 +52,7 @@ if ($_SERVER["REQUEST_METHOD"] === "GET" && isset($_GET["q"])) {
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"category" => $obj->category,
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"tags" => $obj->tags,
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"creationDate" => $obj->creationDate
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//"likes" => $obj->likes
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];
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}
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@@ -65,6 +67,9 @@ if ($_SERVER["REQUEST_METHOD"] === "GET" && isset($_GET["q"])) {
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$sort = $_GET['sort'] ?? 'alphabet';
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$limit = isset($_GET['limit']) ? (int)$_GET['limit'] : 10;
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if (!searchLimitValidator($limit)) {
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$limit = 10;
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}
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$page = isset($_GET['page']) ? (int)$_GET['page'] : 1;
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header("Location: ../../index.php?pfad=search-results&q=" . urlencode($search) . "&sort=" . urlencode($sort) . "&limit=" . $limit . "&page=" . $page);
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exit();
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@@ -0,0 +1,40 @@
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<?php
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/**
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* Prüft, ob eine Suchanfrage gültig ist.
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*
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* Erlaubt werden Buchstaben, Zahlen, Umlaute, typische Satzzeichen und Leerzeichen.
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* Die Länge muss zwischen 1 und 50 Zeichen liegen.
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*
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* @param string $query Zu prüfender Suchbegriff
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*
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* @return bool true wenn die Suche gültig ist, sonst false
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*/
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function searchQueryValidator($query)
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{
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$query = trim($query);
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// Mindestens 1 Zeichen, maximal 50 Zeichen
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$length = mb_strlen($query);
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if ($length < 1 || $length > 50) {
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return false;
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}
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// Erlaubt Buchstaben (inkl. Umlaut/ß), Zahlen, Leerzeichen sowie ?, !, ., -, _
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$searchPattern = '/^[a-zA-Z0-9äöüÄÖÜß\s?!.,\-_]+$/u';
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return preg_match($searchPattern, $query) === 1;
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}
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/**
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* Prüft, ob das gewählte Treffer-Limit erlaubt ist.
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*
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* @param int|string $limit Das zu prüfende Limit
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*
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* @return bool true wenn das Limit 10, 20, 50 oder 100 ist, sonst false
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*/
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function searchLimitValidator($limit)
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{
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$allowedLimits = [10, 20, 50, 100];
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return in_array((int)$limit, $allowedLimits, true);
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}
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