From b8e884a5aa5d4912190e557acd3f52bf559a49ce Mon Sep 17 00:00:00 2001
From: NOrtmann1 <ortmann.niklas@yahoo.de>
Date: Sun, 14 Jun 2026 12:53:46 +0200
Subject: [PATCH] Update createArticle-controller.php

---
 php/controller/createArticle-controller.php | 56 ++++++++++++---------
 1 file changed, 33 insertions(+), 23 deletions(-)

diff --git a/php/controller/createArticle-controller.php b/php/controller/createArticle-controller.php
index 44f487b..e964d17 100644
--- a/php/controller/createArticle-controller.php
+++ b/php/controller/createArticle-controller.php
@@ -73,36 +73,46 @@ require_once '../validator/article-validator.php';
                 mkdir($uploadDir, 0755, true);
             }
 
-            foreach ($blocks as &$block) {
-                // Base64-Format-Prüfung:
-                if ($block['type'] === 'image' && str_starts_with($block['value'], 'data:image/')) {
+            if (is_array($blocks)) {
+                foreach ($blocks as &$block) {
+                    // sicherstellen, dass 'type' und 'value' existieren:
+                    if (isset($block['type']) && isset($block['value']) && $block['type'] === 'image' && str_starts_with($block['value'], 'data:image/')) {
 
-                    // Base64-String zerlegen:
-                    $parts = explode(',', $block['value']);
-                    $metadata = $parts[0];
-                    $base64Data = $parts[1];
+                        // Base64-String zerlegen
+                        $parts = explode(',', $block['value']);
 
-                    // Dateiendung ermitteln
-                    preg_match('/data:image\/(?<extension>.*?);/', $metadata, $matches);
-                    $extension = $matches['extension'] ?? 'jpg';
-                    if ($extension === 'jpeg') { $extension = 'jpg'; }
+                        // falls der String korrupt ist und kein Komma hat
+                        if (count($parts) < 2) {
+                            continue;
+                        }
 
-                    // Eindeutigen Dateinamen generieren
-                    $fileName = 'img_' . uniqid() . '.' . $extension;
-                    $filePath = $uploadDir . $fileName;
+                        $metadata = $parts[0];
+                        $base64Data = $parts[1];
 
-                    // Datei im /uploads speichern:
-                    if (file_put_contents($filePath, base64_decode($base64Data)) !== false) {
-                        // temporären Base64-String durch den echten Pfad ersetzen
-                        $block['value'] = 'uploads/' . $fileName;
-                    } else {
-                        $_SESSION["message"] = "image_upload_error";
-                        header("location: ../../index.php?pfad=createArticle");
-                        exit();
+                        // Dateiendung ermitteln
+                        preg_match('/data:image\/(?<extension>.*?);/', $metadata, $matches);
+                        $extension = $matches['extension'] ?? 'jpg';
+                        if ($extension === 'jpeg') {
+                            $extension = 'jpg';
+                        }
+
+                        // Eindeutigen Dateinamen generieren
+                        $fileName = 'img_' . uniqid() . '.' . $extension;
+                        $filePath = $uploadDir . $fileName;
+
+                        // Datei im /uploads speichern:
+                        if (file_put_contents($filePath, base64_decode($base64Data)) !== false) {
+                            // temporären Base64-String durch den echten Pfad ersetzen
+                            $block['value'] = 'uploads/' . $fileName;
+                        } else {
+                            $_SESSION["message"] = "image_upload_error";
+                            header("location: ../../index.php?pfad=createArticle");
+                            exit();
+                        }
                     }
                 }
+                unset($block);
             }
-            unset($block);
 
             // Aktualisiertes Array wieder in JSON konvertieren
             $finalContent = json_encode($blocks, JSON_UNESCAPED_UNICODE);