Federate blocks with the http://mastodon.social/schema/1.0 verb namespace

app/lib/tag_manager.rb

@@ -14,6 +14,8 @@ class TagManager
     delete:     'http://activitystrea.ms/schema/1.0/delete',
     follow:     'http://activitystrea.ms/schema/1.0/follow',
     unfollow:   'http://ostatus.org/schema/1.0/unfollow',
+    block:      'http://mastodon.social/schema/1.0/block',
+    unblock:    'http://mastodon.social/schema/1.0/unblock',
   }.freeze
 
   TYPES = {

app/services/block_service.rb

@@ -7,10 +7,12 @@ class BlockService < BaseService
     UnfollowService.new.call(account, target_account) if account.following?(target_account)
     UnfollowService.new.call(target_account, account) if target_account.following?(account)
 
-    account.block!(target_account)
+    block = account.block!(target_account)
 
     clear_timelines(account, target_account)
     clear_notifications(account, target_account)
+
+    NotificationWorker.perform_async(block.stream_entry.id, target_account.id) unless target_account.local?
   end
 
   private

app/services/process_interaction_service.rb

@@ -41,6 +41,10 @@ class ProcessInteractionService < BaseService
         add_post!(body, account) unless status(xml).nil?
       when :delete
         delete_post!(xml, account)
+      when :block
+        reflect_block!(account, target_account)
+      when :unblock
+        reflect_unblock!(account, target_account)
       end
     end
   rescue Goldfinger::Error, HTTP::Error, OStatus2::BadSalmonError
@@ -74,6 +78,15 @@ class ProcessInteractionService < BaseService
     account.unfollow!(target_account)
   end
 
+  def reflect_block!(account, target_account)
+    UnfollowService.new.call(target_account, account) if target_account.following?(account)
+    account.block!(target_account)
+  end
+
+  def reflect_unblock!(account, target_account)
+    UnblockService.new.call(account, target_account)
+  end
+
   def delete_post!(xml, account)
     status = Status.find(xml.at_xpath('//xmlns:id', xmlns: TagManager::XMLNS).content)