From d4935786c6d94f92324df724f74baad3a3f3971a Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Wed, 27 Nov 2024 21:47:46 +0100
Subject: [PATCH 1/5] post.php: format post length checks

---
 post.php | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/post.php b/post.php
index 62b929d1..e9a8e926 100644
--- a/post.php
+++ b/post.php
@@ -955,16 +955,21 @@ if (isset($_POST['delete'])) {
 
 	if (!$dropped_post) {
 		// Check string lengths
-		if (mb_strlen($post['name']) > 35)
+		if (mb_strlen($post['name']) > 35) {
 			error(sprintf($config['error']['toolong'], 'name'));
-		if (mb_strlen($post['email']) > 40)
+		}
+		if (mb_strlen($post['email']) > 40) {
 			error(sprintf($config['error']['toolong'], 'email'));
-		if (mb_strlen($post['subject']) > 100)
+		}
+		if (mb_strlen($post['subject']) > 100) {
 			error(sprintf($config['error']['toolong'], 'subject'));
-		if (!$mod && mb_strlen($post['body']) > $config['max_body'])
+		}
+		if (!$mod && mb_strlen($post['body']) > $config['max_body']) {
 			error($config['error']['toolong_body']);
-		if (!$mod && substr_count($post['body'], "\n") >= $config['maximum_lines'])
+		}
+		if (!$mod && substr_count($post['body'], "\n") >= $config['maximum_lines']) {
 			error($config['error']['toomanylines']);
+		}
 	}
 	wordfilters($post['body']);
 

From dcd43b71dc795731f32dcf6768eac0ae488614b3 Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Wed, 27 Nov 2024 21:55:39 +0100
Subject: [PATCH 2/5] config.php: add minimum body length option

---
 inc/config.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/inc/config.php b/inc/config.php
index 454cae4f..de6a8e35 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -578,6 +578,8 @@
 	$config['max_threads_per_hour'] = 30;
 	// Maximum post body length.
 	$config['max_body'] = 1800;
+	// Minimum post body length.
+	$config['min_body'] = 0;
 	// Maximum number of lines allowed in a post.
 	$config['maximum_lines'] = 100;
 	// Maximum number of post body lines to show on the index page.

From d0de1d82d380484d7a0b911783d89dcb4f508362 Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Wed, 27 Nov 2024 21:56:03 +0100
Subject: [PATCH 3/5] post.php: add minimum body length check

---
 post.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/post.php b/post.php
index e9a8e926..29fe5b6f 100644
--- a/post.php
+++ b/post.php
@@ -967,6 +967,9 @@ if (isset($_POST['delete'])) {
 		if (!$mod && mb_strlen($post['body']) > $config['max_body']) {
 			error($config['error']['toolong_body']);
 		}
+		if (!$mod && $config['force_body'] && mb_strlen($post['body']) < $config['min_body']) {
+			error($config['error']['tooshort_body']);
+		}
 		if (!$mod && substr_count($post['body'], "\n") >= $config['maximum_lines']) {
 			error($config['error']['toomanylines']);
 		}

From 8773fbb52b6efd4d0a6ba760bbc310ceaa1f0c9d Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Wed, 27 Nov 2024 21:28:04 +0100
Subject: [PATCH 4/5] config.php: add op min and max body configuration options

---
 inc/config.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/inc/config.php b/inc/config.php
index de6a8e35..43bd7f69 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -576,6 +576,10 @@
 
 	// Maximum numbers of threads that can be created every hour on a board.
 	$config['max_threads_per_hour'] = 30;
+	// Maximum OP body length.
+	$config['max_body_op'] = 1800;
+	// Minimum OP body length. Ignored if force_body_op is set to false.
+	$config['min_body_op'] = 0;
 	// Maximum post body length.
 	$config['max_body'] = 1800;
 	// Minimum post body length.

From d9b983a3fbc55c89e1f84376f57f11baa0328b8d Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Wed, 27 Nov 2024 22:12:51 +0100
Subject: [PATCH 5/5] post.php: check post body min and max op characters

---
 post.php | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/post.php b/post.php
index 29fe5b6f..6d05594b 100644
--- a/post.php
+++ b/post.php
@@ -964,14 +964,26 @@ if (isset($_POST['delete'])) {
 		if (mb_strlen($post['subject']) > 100) {
 			error(sprintf($config['error']['toolong'], 'subject'));
 		}
-		if (!$mod && mb_strlen($post['body']) > $config['max_body']) {
-			error($config['error']['toolong_body']);
-		}
-		if (!$mod && $config['force_body'] && mb_strlen($post['body']) < $config['min_body']) {
-			error($config['error']['tooshort_body']);
-		}
-		if (!$mod && substr_count($post['body'], "\n") >= $config['maximum_lines']) {
-			error($config['error']['toomanylines']);
+		if (!$mod) {
+			$body_mb_len = mb_strlen($post['body']);
+			$is_op = $post['op'];
+
+			if (($is_op && $config['force_body_op']) || (!$is_op && $config['force_body'])) {
+				$min_body = $is_op ? $config['min_body_op'] : $config['min_body'];
+
+				if ($body_mb_len < $min_body) {
+					error($config['error']['tooshort_body']);
+				}
+			}
+
+			$max_body = $is_op ? $config['max_body_op'] : $config['max_body'];
+			if ($body_mb_len > $max_body) {
+				error($config['error']['toolong_body']);
+			}
+
+			if (substr_count($post['body'], '\n') >= $config['maximum_lines']) {
+				error($config['error']['toomanylines']);
+			}
 		}
 	}
 	wordfilters($post['body']);