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3 Commits
59e0b9f111
...
CSRF
| Author | SHA1 | Date | |
|---|---|---|---|
| a785d862d8 | |||
| a728a8a556 | |||
| ae34afda15 |
@@ -7,10 +7,14 @@ require_once 'php/model/Article.php';
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require_once 'php/model/ArticleManager.php';
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require_once 'php/model/UserManager.php';
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require_once 'php/model/CommentManager.php';
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require_once 'php/validator/article-validator.php';
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if (isset($_GET["id"]) && !empty($_GET["id"])){
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// Die übergebene ID muss eine gültige, positive Zahl sein, bevor sie
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// weiterverwendet wird. Vorher wurde jeder nicht-leere Wert akzeptiert.
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$id = isset($_GET["id"]) ? articleIdValidator($_GET["id"]) : false;
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if ($id !== false) {
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try {
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$id = $_GET["id"];
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$articleManager = ArticleManager::getInstance();
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$article = $articleManager->getArticle($id);
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if($article != null){
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@@ -38,7 +42,7 @@ if (isset($_GET["id"]) && !empty($_GET["id"])){
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}
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$commentManager = CommentManager::getInstance();
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$comments = $commentManager->getCommentsByArticle($_GET["id"]);
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$comments = $commentManager->getCommentsByArticle($id); // NEU: validierte ID statt rohem $_GET["id"]
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foreach ($comments as $comment) {
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if ($comment->isReply()) {
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@@ -63,12 +63,9 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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VALUES (:title, :content, :author, :category, :tags);";
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$command = $db->prepare($sql);
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if (!$command) {
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throw new InternalServerErrorException("internal_error");
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}
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// Verknüpft die übergebenen Parameter exakt mit den SQL-Platzhaltern
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$success = $command->execute([
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$command->execute([
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":title" => $title,
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":content" => $content,
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":author" => $author,
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@@ -76,14 +73,14 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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":tags" => $tags
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]);
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if (!$success) {
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throw new InternalServerErrorException("internal_error");
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}
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return intval($db->lastInsertId());
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} catch (PDOException $e) {
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throw new InternalServerErrorException($e->getMessage());
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// NEU: Die rohe PDO-Fehlermeldung wird nicht mehr direkt in die
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// eigene Exception übernommen (Kapselung), sondern durch eine
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// generische, sprechende Meldung ersetzt - analog zu den übrigen
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// Methoden dieser Klasse und zu DatabaseUserManager.
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throw new InternalServerErrorException("internal_error");
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}
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}
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@@ -106,11 +103,8 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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WHERE id = :id;";
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$command = $db->prepare($sql);
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if (!$command) {
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throw new InternalServerErrorException("internal_error");
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}
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$success = $command->execute([
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$command->execute([
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":id" => $id,
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":title" => $article->getTitle(),
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":content" => $article->getContent(),
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@@ -120,7 +114,7 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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]);
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// rowCount() prüft, ob eine Zeile mit dieser ID existierte und geändert werden konnte
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if (!$success || $command->rowCount() === 0) {
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if ($command->rowCount() === 0) {
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// Falls die ID nicht existiert, prüfen wir, ob sie überhaupt da ist
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if (!$this->getArticle($id)) {
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throw new NotFoundException("missing_id");
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@@ -148,13 +142,7 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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$sql = "DELETE FROM articles WHERE id = :id;";
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$command = $db->prepare($sql);
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if (!$command) {
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throw new InternalServerErrorException("internal_error");
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}
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if (!$command->execute([":id" => $id])) {
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throw new InternalServerErrorException("internal_error");
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}
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$command->execute([":id" => $id]);
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} catch (PDOException $exc) {
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throw new InternalServerErrorException("internal_error");
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}
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@@ -167,10 +155,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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$sql = "SELECT * FROM articles WHERE id = :id;";
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$command = $db->prepare($sql);
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if (!$command) {
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throw new InternalServerErrorException("internal_error");
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}
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$command->execute([":id" => $id]);
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$row = $command->fetch(PDO::FETCH_ASSOC);
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@@ -202,10 +186,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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$sql = "SELECT * FROM articles;";
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$command = $db->query($sql);
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if (!$command) {
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throw new InternalServerErrorException("internal_error");
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}
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$rows = $command->fetchAll(PDO::FETCH_ASSOC);
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$articles = [];
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@@ -234,10 +214,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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$sql = "SELECT * FROM articles WHERE author = :author;";
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$command = $db->prepare($sql);
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if (!$command) {
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throw new InternalServerErrorException("internal_error");
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}
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$command->execute([":author" => $author]);
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$rows = $command->fetchAll(PDO::FETCH_ASSOC);
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$filteredArticles = [];
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@@ -270,10 +246,6 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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$sql = "SELECT * FROM articles WHERE category = :category;";
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$command = $db->prepare($sql);
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if (!$command) {
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throw new InternalServerErrorException("internal_error");
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}
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$command->execute([":category" => $category]);
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$rows = $command->fetchAll(PDO::FETCH_ASSOC);
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$filteredArticles = [];
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@@ -318,21 +290,14 @@ class DatabaseArticleManager implements ArticleManagerDAO {
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OR tags LIKE :keyword";
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$command = $db->prepare($sql);
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if (!$command) {
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throw new InternalServerErrorException("internal_error");
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}
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// Wildcards für die Suche hinzufügen
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$searchParam = '%' . $cleankeyword . '%';
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$success = $command->execute([
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$command->execute([
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":keyword" => $searchParam
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]);
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if (!$success) {
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throw new InternalServerErrorException("internal_error");
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}
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$rows = $command->fetchAll(PDO::FETCH_ASSOC);
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$filteredArticles = [];
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@@ -1,5 +1,20 @@
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<?php
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/**
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* NEU: Prüft, ob ein übergebener Wert eine gültige, positive
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* Beitrags-ID ist. Wird überall dort verwendet, wo eine Artikel-ID
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* aus $_GET oder $_POST entgegengenommen wird
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*
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* @param mixed $id
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* @return int|false Die validierte ID als int, oder false bei Ungültigkeit
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*/
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function articleIdValidator($id)
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{
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$options = ["options" => ["min_range" => 1]];
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return filter_var($id, FILTER_VALIDATE_INT, $options);
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}
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/**
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* Prüft, ob der Titel die folgenden Bedingungen erfüllt:
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* Buchstaben von a-z; A-Z
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