From: nutomic <nutomic@noreply.yerbamate.dev>
Date: Thu, 13 Aug 2020 13:20:35 +0000 (+0000)
Subject: Limit number of items read from community outbox (#84)
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Limit number of items read from community outbox (#84)

Limit number of items read from community outbox

Co-authored-by: Felix Ableitner <me@nutomic.com>
Reviewed-on: https://yerbamate.dev/LemmyNet/lemmy/pulls/84
---

diff --git a/server/lemmy_utils/src/lib.rs b/server/lemmy_utils/src/lib.rs
index d4c75bf3..41cdcec8 100644
--- a/server/lemmy_utils/src/lib.rs
+++ b/server/lemmy_utils/src/lib.rs
@@ -160,7 +160,7 @@ pub fn is_valid_username(name: &str) -> bool {
 
 // Can't do a regex here, reverse lookarounds not supported
 pub fn is_valid_preferred_username(preferred_username: &str) -> bool {
-  !preferred_username.starts_with("@")
+  !preferred_username.starts_with('@')
     && preferred_username.len() >= 3
     && preferred_username.len() <= 20
 }
diff --git a/server/src/apub/fetcher.rs b/server/src/apub/fetcher.rs
index 5fcf6ad9..d083e10f 100644
--- a/server/src/apub/fetcher.rs
+++ b/server/src/apub/fetcher.rs
@@ -325,7 +325,9 @@ async fn fetch_remote_community(
   let outbox =
     fetch_remote_object::<OrderedCollection>(client, &community.get_outbox_url()?).await?;
   let outbox_items = outbox.items().context(location_info!())?.clone();
-  for o in outbox_items.many().context(location_info!())? {
+  let outbox_items = outbox_items.many().context(location_info!())?;
+  let outbox_items = outbox_items[0..20].to_vec();
+  for o in outbox_items {
     let page = PageExt::from_any_base(o)?.context(location_info!())?;
     let post = PostForm::from_apub(&page, client, pool, None).await?;
     let post_ap_id = post.ap_id.clone();