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Fix unbounded recursion in account discovery (v3.5 backport) (#22026)

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* Fix trying to fetch posts from other users when fetching featured posts

* Rate-limit discovery of new subdomains

* Put a limit on recursively discovering new accounts
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Claire 2022-12-15 19:21:17 +01:00 • committed by GitHub
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12 changed files with 152 additions and 20 deletions
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app/lib/activitypub/activity/create.rb
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@ -222,7 +222,7 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
return if tag['href'].blank?
account = account_from_uri(tag['href'])
account = ActivityPub::FetchRemoteAccountService.new.call(tag['href']) if account.nil?
account = ActivityPub::FetchRemoteAccountService.new.call(tag['href'], request_id: @options[:request_id]) if account.nil?
return if account.nil?