createArticle-Eingabevalidierung
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@@ -7,25 +7,101 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
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if(!isset($_POST["title"]) ||!isset($_POST["content"]) || !isset($_POST["category"])){
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$_SESSION["message"] = "missing_parameters";
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header("location: ../../index.php?pfad=createArticle");
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} else {
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$title = $_POST["title"];
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$content = $_POST["content"];
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$category = $_POST["category"];
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$author = "max.mustermann"; // TODO: später aus Session den angemeldeten Nutzer beziehen.
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$tags = $_POST["tags"];
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try {
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$articleManager = ArticleManager::getInstance();
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$articleManager->addArticle($title, $content, $author, $category, $tags);
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} catch (Exception $e){
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$_SESSION["message"] = "internal_error";
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}
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$_SESSION["message"] = "new_article";
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// Weiterleitung zur Homepage
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header("location: ../../index.php");
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exit();
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} else {
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// ------------------------ Validierung des Authors: ----------------------------
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$author = "max.mustermann"; // TODO: später aus Session den angemeldeten Nutzer beziehen.
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$validatedAuthor = $author;
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// --------------------- Eingabevalidierung des Titels: -------------------------
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$title = $_POST["title"];
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// Mit Regex prüfen:
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$titlePattern = '/^[a-zA-Z0-9äöüÄÖÜß\s.,!?:;()\'"„“«»_+-]{5,120}$/u'; //Erlaubt: Buchstaben, Zahlen, Standardsatzzeichen; 5-120 Zeichen
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if (preg_match($titlePattern, $title)) {
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$validatedTitle = $title;
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} else {
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$_SESSION["message"] = "invalid_title";
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header("location: ../../index.php?pfad=createArticle");
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exit();
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}
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if (!preg_match('/^[a-zA-Z0-9äöüÄÖÜß\s.,!?:;()\'"„“«»_+-]{5,120}$/u', $title)) {
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$errors['title'] = "Der Titel enthält ungültige Zeichen oder erfüllt die Länge von 5-120 Zeichen nicht.";
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}
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// --------------------- Eingabeüberprüfung des Contents: -----------------------
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$content = $_POST["content"];
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$zeichenAnzahl = mb_strlen($content);
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if ($zeichenAnzahl <= 7000) {
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$validatedContent = $content;
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}else{
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$_SESSION["message"] = "invalid_content";
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header("location: ../../index.php?pfad=createArticle");
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exit();
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}
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// --------------------- -Eingabevalidierung der Kategorie: --------------------
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$category = $_POST["category"];
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$allowedCategories = [
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'deutsch', 'englisch', 'franzoesisch', 'latein', 'literatur',
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'mathe', 'biologie', 'chemie', 'physik', 'informatik', 'astronomie',
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'geschichte', 'erdkunde', 'sozialkunde', 'wirtschaft', 'religion',
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'ethik', 'philosophie', 'psychologie', 'kunst', 'musik', 'theater',
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'technik', 'werken', 'hauswirtschaft', 'sport'
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];
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if (!in_array($category, $allowedCategories, true)) {
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$_SESSION["message"] = "invalid_category";
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header("location: ../../index.php?pfad=createArticle");
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exit();
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}
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// -------------------------- Eingabevalidierung der tags: ----------------------
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if (isset($_POST['tags'])) {
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$tags = trim($_POST['tags']);
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} else {
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$tags = '';
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}
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$validatedTags = [];
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$rawTags = explode(',', $tags); // String mit Kommas in array...
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foreach ($rawTags as $rawTag) {
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// Leerzeichen am Anfang/Ende des einzelnen Tags entfernen:
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$tag = trim($rawTag);
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// leere Elemente überspringen:
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if ($tag === '') {
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continue;
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}
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// Tag mit Regex prüfen:
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$tagPattern = '/^[a-zA-Z0-9äöüÄÖÜß\s-]{2,20}$/u'; //Erlaubt: Buchstaben, Zahlen, Bindestriche, Leerzeichen; 2-20 Zeichen
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if (preg_match($tagPattern, $tag)) {
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$validatedTags[] = $tag;
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} else {
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$_SESSION["message"] = "invalid_tags";
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header("location: ../../index.php?pfad=createArticle");
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exit();
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}
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}
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// Duplikate entfernen:
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$validatedTags = array_unique($validatedTags);
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// ----------------- Übertragung der validierten Daten in ArticleManager: ---------------------------
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if (!isset($validatedTitle) || !isset($validatedContent) || !isset($validatedCategory) || !isset($validatedTags)) {
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$_SESSION["message"] = "validation_missing";
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} else {
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try {
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$articleManager = ArticleManager::getInstance();
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$articleManager->addArticle($validatedTitle, $validatedContent, $validatedAuthor, $validatedCategory, $validatedTags);
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} catch (Exception $e){
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$_SESSION["message"] = "internal_error";
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header("location: ../../index.php?pfad=createArticle");
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exit();
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}
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$_SESSION["message"] = "new_article";
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// Weiterleitung zur Homepage
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header("location: ../../index.php");
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exit();
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}
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}
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}
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