chore: instrument inbox/outbox

this is where side effects happen, so better keep them under control

also trying out tracing, i should redo how i trace stuff in upub...

upub/core/src/server/auth.rs

@@ -10,6 +10,7 @@ use super::{fetcher::Fetcher, httpsign::HttpSignature};
 pub enum Identity {
 	Anonymous,
 	Remote {
+		user: String,
 		domain: String,
 		internal: i64,
 	},
@@ -124,11 +125,11 @@ where
 						.verify(&user.public_key)
 					{
 						Ok(true) => {
-							// TODO can we avoid this extra db rountrip made on each server fetch?
+							let user = user.id;
 							let domain = Context::server(&user_id); 
 							// TODO this will fail because we never fetch and insert into instance oops
 							let internal = model::instance::Entity::domain_to_internal(&domain, ctx.db()).await?;
-							identity = Identity::Remote { domain, internal };
+							identity = Identity::Remote { user, domain, internal };
 						},
 						Ok(false) => tracing::warn!("invalid signature: {http_signature:?}"),
 						Err(e) => tracing::error!("error verifying signature: {e}"),

upub/routes/src/activitypub/inbox.rs

@@ -38,6 +38,7 @@ macro_rules! pretty_json {
 }
 
 
+#[tracing::instrument(level = "info", skip(ctx), fields(activity = %activity))]
 pub async fn post(
 	State(ctx): State<Context>,
 	AuthIdentity(auth): AuthIdentity,

upub/routes/src/activitypub/user/outbox.rs

@@ -37,6 +37,7 @@ pub async fn page(
 		.await
 }
 
+#[tracing::instrument(level = "info", skip(ctx), fields(activity = %activity))]
 pub async fn post(
 	State(ctx): State<Context>,
 	Path(id): Path<String>,