From 9e84fe20e64b4cf33d181cef6b37c81ee4a65cca Mon Sep 17 00:00:00 2001
From: Felix Ableitner <me@nutomic.com>
Date: Tue, 6 Oct 2020 14:58:37 +0200
Subject: [PATCH] Dont send mentions to inbox of local community

also, dont start SendActivityTask for empty `to`, and remove
useless comment
---
 lemmy_apub/src/activity_queue.rs | 2 +-
 lemmy_apub/src/comment.rs        | 5 ++++-
 lemmy_apub/src/fetcher.rs        | 3 ---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lemmy_apub/src/activity_queue.rs b/lemmy_apub/src/activity_queue.rs
index 68b5c3ab0..9f7f38cf1 100644
--- a/lemmy_apub/src/activity_queue.rs
+++ b/lemmy_apub/src/activity_queue.rs
@@ -164,7 +164,7 @@ where
   Kind: Serialize,
   <T as Extends<Kind>>::Error: From<serde_json::Error> + Send + Sync + 'static,
 {
-  if !Settings::get().federation.enabled {
+  if !Settings::get().federation.enabled || to.is_empty() {
     return Ok(());
   }
 
diff --git a/lemmy_apub/src/comment.rs b/lemmy_apub/src/comment.rs
index 7f6885a19..35be5522e 100644
--- a/lemmy_apub/src/comment.rs
+++ b/lemmy_apub/src/comment.rs
@@ -506,7 +506,10 @@ async fn collect_non_local_mentions_and_addresses(
     }
   }
 
-  let mut inboxes = vec![community.get_shared_inbox_url()?];
+  let mut inboxes: Vec<Url> = vec![];
+  if !community.local {
+    inboxes.push(community.get_shared_inbox_url()?);
+  }
   inboxes.extend(mention_inboxes);
   inboxes = inboxes.into_iter().unique().collect();
 
diff --git a/lemmy_apub/src/fetcher.rs b/lemmy_apub/src/fetcher.rs
index 3f2109ecb..226569f67 100644
--- a/lemmy_apub/src/fetcher.rs
+++ b/lemmy_apub/src/fetcher.rs
@@ -55,9 +55,6 @@ where
 
   let timeout = Duration::from_secs(60);
 
-  // speed up tests
-  // before: 305s
-  // after: 240s
   let json = retry(|| {
     client
       .get(url.as_str())