2 files changed, 18 insertions, 2 deletions
diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
index 03476920b..3a39b723e 100644
--- 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)
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 79efc95d3..f40e1fa3e 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -48,7 +48,7 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
       account: @account,
       text: text_from_content || '',
       language: detected_language,
-      spoiler_text: @object['summary'] || '',
+      spoiler_text: text_from_summary || '',
       created_at: @object['published'],
       override_timestamps: @options[:override_timestamps],
       reply: @object['inReplyTo'].present?,
@@ -193,6 +193,14 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     end
   end
 
+  def text_from_summary
+    if @object['summary'].present?
+      @object['summary']
+    elsif summary_language_map?
+      @object['summaryMap'].values.first
+    end
+  end
+
   def text_from_name
     if @object['name'].present?
       @object['name']
@@ -206,6 +214,8 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
       @object['contentMap'].keys.first
     elsif name_language_map?
       @object['nameMap'].keys.first
+    elsif summary_language_map?
+      @object['summaryMap'].keys.first
     elsif supported_object_type?
       LanguageDetector.instance.detect(text_from_content, @account)
     end
@@ -223,6 +233,10 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     end
   end
 
+  def summary_language_map?
+    @object['summaryMap'].is_a?(Hash) && !@object['summaryMap'].empty?
+  end
+
   def content_language_map?
     @object['contentMap'].is_a?(Hash) && !@object['contentMap'].empty?
   end