From 1c0551edadee3629c5ee7bf73ca13d61f0c30afa Mon Sep 17 00:00:00 2001
From: gamer551 <46283343+gamer551@users.noreply.github.com>
Date: Fri, 15 Nov 2019 17:25:09 +0400
Subject: [PATCH 1/2] anti bump flood (#173)

---
 inc/functions.php | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/inc/functions.php b/inc/functions.php
index 07585b2c..23b61404 100755
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -1201,6 +1201,7 @@ function deletePost($id, $error_if_doesnt_exist=true, $rebuild_after=true) {
 	while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
 		event('delete', $post);
 		
+		$thread_id = $post['thread'];
 		if (!$post['thread']) {
 			// Delete thread HTML page
 			file_unlink($board['dir'] . $config['dir']['res'] . link_for($post) );
@@ -1252,6 +1253,17 @@ function deletePost($id, $error_if_doesnt_exist=true, $rebuild_after=true) {
 	$query->bindValue(':board', $board['uri']);
 	$query->execute() or error(db_error($query));
 	
+	if ($config['anti_bump_flood']) {
+		$query = prepare(sprintf("SELECT `time` FROM ``posts_%s`` WHERE (`thread` = :thread OR `id` = :thread) AND `sage` = 0 ORDER BY `time` DESC LIMIT 1", $board['uri']));
+		$query->bindValue(':thread', $thread_id);
+		$query->execute() or error(db_error($query));
+		$bump = $query->fetchColumn();
+		$query = prepare(sprintf("UPDATE ``posts_%s`` SET `bump` = :bump WHERE `id` = :thread", $board['uri']));
+		$query->bindValue(':bump', $bump);
+		$query->bindValue(':thread', $thread_id);
+		$query->execute() or error(db_error($query));
+	}
+	
 	if (isset($rebuild) && $rebuild_after) {
 		buildThread($rebuild);
 		buildIndex();

From 3bd53e6caecf875a531070f427d72d93e281c835 Mon Sep 17 00:00:00 2001
From: gamer551 <46283343+gamer551@users.noreply.github.com>
Date: Fri, 15 Nov 2019 17:26:58 +0400
Subject: [PATCH 2/2] anti bump flood (#173)

---
 inc/config.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/inc/config.php b/inc/config.php
index 3ac0c995..7c7d870d 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -221,6 +221,9 @@
 	// Skip checking certain IP addresses against blacklists (for troubleshooting or whatever)
 	$config['dnsbl_exceptions'][] = '127.0.0.1';
 
+	// To prevent bump atacks; returns the thread to last position after the last post is deleted. 
+	$config['anti_bump_flood'] = false;
+
 	/*
 	 * Introduction to Tinyboard's spam filter:
 	 *