Spread out crawling randomly to avoid DDoSing the link (#8445)

* Spread out crawling randomly to avoid DDoSing the link Fix #4486 * Remove trailing whitespace
2018-08-26 00:33:57 +02:00 · 2018-08-26 00:33:57 +02:00 · b4ba4b1b5d
parent df06f53f9b
commit b4ba4b1b5d
1 changed files with 3 additions and 1 deletions
--- a/app/lib/activitypub/activity.rb
+++ b/app/lib/activitypub/activity.rb
@ -104,7 +104,9 @@ class ActivityPub::Activity

  def crawl_links(status)
    return if status.spoiler_text?
-    LinkCrawlWorker.perform_async(status.id)
+
+    # Spread out crawling randomly to avoid DDoSing the link
+    LinkCrawlWorker.perform_in(rand(1..59).seconds, status.id)
  end

  def distribute_to_followers(status)