support onion

src/config.rs

@@ -7,6 +7,7 @@ pub struct Config {
     pub port: Option<u16>,
     pub mail: Option<String>,
     pub lang: Option<String>,
+    pub onion: Option<String>,
 }
 
 impl Config {
@@ -36,6 +37,7 @@ impl Config {
             port: test(a.port, d.port),
             mail: test(a.mail, d.mail),
             lang: test(a.lang, d.lang),
+            onion: test(a.onion, d.onion),
         }
     }
 }

src/main.rs

@@ -1,5 +1,5 @@
 use actix_files::Files;
-use actix_web::{web, App, HttpServer};
+use actix_web::{middleware::DefaultHeaders, web, App, HttpServer};
 use glob::glob;
 use minify_html::{minify, Cfg};
 use std::{
@@ -88,6 +88,10 @@ async fn main() -> io::Result<()> {
     HttpServer::new(move || {
         App::new()
             .app_data(web::Data::new(config.clone()))
+            .wrap(DefaultHeaders::new().add((
+                "Onion-Location",
+                config.onion.as_deref().unwrap_or_default(),
+            )))
             .service(index::page)
             .service(agreements::security)
             .service(agreements::humans)