From bb3f1e3ecede5113e6e51bbbbd5cfe2661bae61f Mon Sep 17 00:00:00 2001
From: Felix <felix@fae5.de>
Date: Fri, 17 Jan 2025 19:25:47 +0000
Subject: [PATCH] index.php aktualisiert

---
 index.php | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/index.php b/index.php
index 1756b3d..2e5ca40 100644
--- a/index.php
+++ b/index.php
@@ -124,20 +124,14 @@ if ($current_user && isset($_POST['content'])) {
         $action = 'new_post';
         $replying_to = null;
     }
-    
-    // Rate limit check
     if (!checkRateLimit($current_user, $action, 5, 60)) {
         echo '<script>alert("An error occurred");</script>';
         die('Please wait before you do that action again.');
     }
-
-    // Function to validate user input
     function containsOnlyValidCharacters($string) {
-        // Check if the string contains only regular readable characters
         return preg_match('/^[\p{L}\p{N}\p{P}\p{S}\p{Zs}\p{M}]*$/u', $string);
     }
 
-    // Validate user and replying_to ID
     function isValidUsername($username, $accounts) {
         return isset($accounts[$username]);
     }
@@ -148,17 +142,14 @@ if ($current_user && isset($_POST['content'])) {
 
     $content = substr($_POST['content'], 0, 280);
 
-    // Validate username
     if (!isValidUsername($current_user, $accounts)) {
         die('Error: Invalid user.');
     }
 
-    // Validate the replying_to ID if it's a reply
     if ($is_reply && !isValidPostID($replying_to, $posts)) {
         die('Error: Invalid post ID for reply.');
     }
 
-    // Validate content
     if (containsOnlyValidCharacters($content)) {
         $new_post = [
             'id' => uniqid(),
@@ -173,21 +164,17 @@ if ($current_user && isset($_POST['content'])) {
             'image_url' => isset($_POST['image_url']) && preg_match('/\.(jpg|jpeg|png|gif|bmp)$/i', $_POST['image_url']) ? $_POST['image_url'] : null
         ];
 
-        // Add post to posts list
         $posts[$new_post['id']] = $new_post;
 
-        // If it's a reply, add the reply ID to the original post
         if ($is_reply) {
             $posts[$replying_to]['replies'][] = $new_post['id'];
         }
 
-        // Save posts to file
         file_put_contents($posts_file, json_encode($posts));
 
         header('Location: /');
         exit;
     } else {
-        // Handle error for invalid characters
         echo "Error: Your post contains invalid characters. Please re-create your post with valid characters!";
     }
 }
@@ -201,22 +188,18 @@ if ($current_user && isset($_GET['delete'])) {
 
     $post_id = $_GET['delete'];
 
-    // Recursive function to delete a post and its replies
     function deletePostAndReplies($post_id, &$posts) {
-        // If the post has replies, delete them first
         if (isset($posts[$post_id]['replies']) && !empty($posts[$post_id]['replies'])) {
             foreach ($posts[$post_id]['replies'] as $reply_id) {
-                deletePostAndReplies($reply_id, $posts);  // Recursive call
+                deletePostAndReplies($reply_id, $posts);
             }
         }
 
-        // If the post is a reply, remove it from the parent's replies array
         if ($posts[$post_id]['replying_to']) {
             $parent_id = $posts[$post_id]['replying_to'];
             $posts[$parent_id]['replies'] = array_diff($posts[$parent_id]['replies'], [$post_id]);
         }
 
-        // Finally, delete the post itself
         unset($posts[$post_id]);
     }