From 0f9105d14add1e30caa5a8b6fa909c469c62500b Mon Sep 17 00:00:00 2001
From: yggverse <yggverse@project>
Date: Fri, 22 Aug 2025 22:47:44 +0300
Subject: [PATCH] add `post_max_chars` config option

---
 Cargo.toml                | 2 +-
 src/config.rs             | 4 ++++
 src/main.rs               | 1 +
 templates/index.html.tera | 4 +++-
 4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index fff6a62..ffa35be 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mb"
-version = "0.1.2"
+version = "0.2.0"
 edition = "2024"
 license = "MIT"
 readme = "README.md"
diff --git a/src/config.rs b/src/config.rs
index e066484..b6141bf 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -55,4 +55,8 @@ pub struct Config {
     /// Configure instance in the debug mode
     #[arg(long, default_value_t = false)]
     pub debug: bool,
+
+    /// Limit post max length to `n` chars (JS-less, `maxlength` attribute)
+    #[arg(long)]
+    pub post_max_chars: Option<usize>,
 }
diff --git a/src/main.rs b/src/main.rs
index 17c6781..8f2f6d2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -83,6 +83,7 @@ fn index(
             }).collect::<Vec<Post>>(),
             home: uri!(index(None::<&str>, None::<usize>, token)),
             version: env!("CARGO_PKG_VERSION"),
+            post_max_chars: config.post_max_chars,
             search,
             token
         },
diff --git a/templates/index.html.tera b/templates/index.html.tera
index 62cc6dc..6d1825f 100644
--- a/templates/index.html.tera
+++ b/templates/index.html.tera
@@ -2,7 +2,9 @@
 {% block content %}
     {% if token %}
         <form action="/submit" method="post">
-            <textarea name="message" placeholder="Enter your message..."></textarea>
+            <textarea name="message"
+                      placeholder="Enter your message..."
+                      {% if post_max_chars %}maxlength="{{ post_max_chars }}"{% endif %}></textarea>
             <input type="hidden" name="token" value="{{ token }}" />
             <input type="submit" value="Submit" />
         </form>