Fix loading keys from environment var

src/activitypub/keys.rs

@@ -1,10 +1,13 @@
+use log::debug;
 use once_cell::sync::Lazy;
 use std::{fs, io::Read};
 
 macro_rules! read {
     ($env:ident, $default:literal) => {
         pub static $env: Lazy<String> = Lazy::new(|| {
-            let path = option_env!("$env").unwrap_or($default);
+            let env_path = std::env::var(stringify!($env));
+            let path = env_path.as_deref().unwrap_or($default);
+            debug!("Reading key from {}", path);
             let mut f = fs::File::open(path).unwrap();
             let mut s = String::new();
             f.read_to_string(&mut s).unwrap();

src/activitypub/mod.rs

@@ -5,7 +5,7 @@ mod db;
 pub mod digester;
 pub mod federate;
 mod inbox;
-mod keys;
+pub mod keys;
 mod types;
 mod util;
 mod webfinger;

src/main.rs

@@ -16,6 +16,7 @@ use generator::output_path;
 use log::error;
 use log::info;
 use notify_debouncer_mini::new_debouncer;
+use once_cell::sync::Lazy;
 use sqlx::{
     sqlite::{SqliteConnectOptions, SqlitePoolOptions},
     ConnectOptions, SqlitePool,
@@ -46,6 +47,10 @@ async fn main() {
             let _ = generate().await;
         }
         Some(("serve", matches)) => {
+            // ensure that the keys are loadable
+            _ = Lazy::force(&activitypub::keys::PUB_KEY_PEM);
+            _ = Lazy::force(&activitypub::keys::PRIV_KEY_PEM);
+
             let posts = generate().await.expect("initial generation");
             info!("Generated");