From eecfe1a9515034d263a49f84210d3d32430253be Mon Sep 17 00:00:00 2001
From: Roman Kelesidis <roman25052006.kelesh@gmail.com>
Date: Sun, 3 Aug 2025 14:51:18 +0300
Subject: [PATCH] feat: Prevent robots indexing for private topics (#2071)

---
 posting.php   |  8 ++++++--
 viewtopic.php | 10 +++++++---
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/posting.php b/posting.php
index b75e17091..f823d5a66 100644
--- a/posting.php
+++ b/posting.php
@@ -253,7 +253,11 @@ if (!empty($bb_cfg['tor_cannot_edit']) && $post_info['allow_reg_tracker'] && $po
 $robots_indexing = $post_info['topic_allow_robots'] ?? true;
 if ($submit || $refresh) {
     if (IS_AM) {
-        $robots_indexing = !empty($_POST['robots']);
+        if ($post_info['auth_read'] == AUTH_ALL) {
+            $robots_indexing = !empty($_POST['robots']);
+        } else {
+            $robots_indexing = true;
+        }
     }
     $notify_user = (int)!empty($_POST['notify']);
 } else {
@@ -504,7 +508,7 @@ if (!IS_GUEST) {
 $topic_type_toggle = '';
 if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post'])) {
     // Allow robots indexing
-    if (IS_AM) {
+    if (IS_AM && $post_info['auth_read'] == AUTH_ALL) {
         $template->assign_var('SHOW_ROBOTS_CHECKBOX');
     }
 
diff --git a/viewtopic.php b/viewtopic.php
index 7a0aec0bf..0ed14fd11 100644
--- a/viewtopic.php
+++ b/viewtopic.php
@@ -113,9 +113,6 @@ $topic_id = $t_data['topic_id'];
 $forum_id = $t_data['forum_id'];
 $topic_attachment = isset($t_data['topic_attachment']) ? (int)$t_data['topic_attachment'] : null;
 
-// Allow robots indexing
-$page_cfg['allow_robots'] = (bool)$t_data['topic_allow_robots'];
-
 if ($t_data['allow_porno_topic'] && bf($userdata['user_opt'], 'user_opt', 'user_porn_forums')) {
     bb_die($lang['ERROR_PORNO_FORUM']);
 }
@@ -229,6 +226,13 @@ $datastore->rm('cat_forums');
 // Make jumpbox
 make_jumpbox();
 
+// Allow robots indexing
+if ($is_auth['auth_read']) {
+    $page_cfg['allow_robots'] = (bool)$t_data['topic_allow_robots'];
+} else {
+    $page_cfg['allow_robots'] = false;
+}
+
 if ($post_id && !empty($t_data['prev_posts'])) {
     $start = floor(($t_data['prev_posts'] - 1) / $posts_per_page) * $posts_per_page;
 }