Add: #8 サークル投稿の転送 (#294)

* Add: `conversations`テーブルに`ancestor_status`プロパティ

* Fix test

* Fix test more

* Add: `limited_visibility`に`Reply`を追加、`context`のURI

* Add: 外部からの`context`受信処理

* Fix test

* Add: 公開範囲「返信」

* Fix test

* Fix: 返信に返信以外の公開範囲を設定できない問題

* Add: ローカル投稿時にメンション追加・他サーバーへの転送

* Fix test

* Fix test

* Test: ローカルスレッドへの返信投稿の転送

* Test: 未知のアカウントからのメンション

* Add: 編集・削除の連合に対応

* Remove: 重複テスト

* Fix: 改善

* Add: 編集削除の転送処理・返信なのにsilentなメンションでの通知

* Fix: リプライが第三者に届かない問題

* Add: `always_sign_unsafe`

* Add: Subject

* Remove space

* Fix: 他人のスレッドの送信先一覧を非表示

* Fix: おかしいコード

app/workers/activitypub/distribution_worker.rb

@@ -19,11 +19,26 @@ class ActivityPub::DistributionWorker < ActivityPub::RawDistributionWorker
   protected
 
   def distribute_limited!
+    if @status.reply? && @status.conversation.present? && !@status.conversation.local?
+      distribute_conversation!
+    else
+      distribute_limited_mentions!
+    end
+  end
+
+  def distribute_limited_mentions!
     ActivityPub::DeliveryWorker.push_bulk(inboxes_for_limited, limit: 1_000) do |inbox_url|
       [payload, @account.id, inbox_url, options]
     end
   end
 
+  def distribute_conversation!
+    inbox_url = @status.conversation.inbox_url
+    return if inbox_url.blank?
+
+    ActivityPub::DeliveryWorker.perform_async(payload, @account.id, inbox_url, options)
+  end
+
   def inboxes
     @inboxes ||= status_reach_finder.inboxes
   end
@@ -45,7 +60,7 @@ class ActivityPub::DistributionWorker < ActivityPub::RawDistributionWorker
   end
 
   def payload
-    @payload ||= Oj.dump(serialize_payload(activity, ActivityPub::ActivitySerializer, signer: @account))
+    @payload ||= Oj.dump(serialize_payload(activity, ActivityPub::ActivitySerializer, signer: @account, always_sign_unsafe: always_sign))
   end
 
   def payload_for_misskey
@@ -53,7 +68,7 @@ class ActivityPub::DistributionWorker < ActivityPub::RawDistributionWorker
   end
 
   def payload_for_friend
-    @payload_for_friend ||= Oj.dump(serialize_payload(activity_for_friend, ActivityPub::ActivityForFriendSerializer, signer: @account))
+    @payload_for_friend ||= Oj.dump(serialize_payload(activity_for_friend, ActivityPub::ActivityForFriendSerializer, signer: @account, always_sign_unsafe: always_sign))
   end
 
   def activity
@@ -68,6 +83,10 @@ class ActivityPub::DistributionWorker < ActivityPub::RawDistributionWorker
     ActivityPub::ActivityPresenter.from_status(@status, for_friend: true)
   end
 
+  def always_sign
+    false
+  end
+
   def options
     { 'synchronize_followers' => @status.private_visibility? }
   end

app/workers/activitypub/forward_conversation_worker.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+class ActivityPub::ForwardConversationWorker
+  include Sidekiq::Worker
+
+  def perform(payload, status_id, shared_inbox)
+    @status  = Status.find(status_id)
+    @payload = payload
+    @shared_inbox = shared_inbox
+
+    return unless @status.conversation.present? && @status.conversation.local? && @status.conversation.ancestor_status.present?
+    return unless @status.limited_visibility?
+
+    @account = @status.conversation.ancestor_status.account
+
+    distribute_limited_mentions!
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+
+  protected
+
+  def distribute_limited_mentions!
+    ActivityPub::DeliveryWorker.push_bulk(inboxes_for_limited, limit: 1_000) do |inbox_url|
+      [payload, @account.id, inbox_url, options]
+    end
+  end
+
+  def inboxes_for_limited
+    if @shared_inbox
+      inbox_accounts.inboxes
+    else
+      DeliveryFailureTracker.without_unavailable(inbox_accounts.pluck(:inbox_url).compact_blank.uniq)
+    end
+  end
+
+  def inbox_accounts
+    Account.remote.merge(@status.mentioned_accounts)
+  end
+
+  def options
+    { 'synchronize_followers' => @status.private_visibility? }
+  end
+
+  attr_reader :payload
+end

app/workers/activitypub/status_update_distribution_worker.rb

@@ -8,13 +8,21 @@ class ActivityPub::StatusUpdateDistributionWorker < ActivityPub::DistributionWor
     @status  = Status.find(status_id)
     @account = @status.account
 
-    distribute!
+    if @status.limited_visibility?
+      distribute_limited!
+    else
+      distribute!
+    end
   rescue ActiveRecord::RecordNotFound
     true
   end
 
   protected
 
+  def inboxes_for_limited
+    @inboxes_for_limited ||= @status.mentioned_accounts.inboxes
+  end
+
   def build_activity(for_misskey: false, for_friend: false)
     ActivityPub::ActivityPresenter.new(
       id: [ActivityPub::TagManager.instance.uri_for(@status), '#updates/', @status.edited_at.to_i].join,
@@ -38,4 +46,8 @@ class ActivityPub::StatusUpdateDistributionWorker < ActivityPub::DistributionWor
   def activity_for_friend
     build_activity(for_friend: true)
   end
+
+  def always_sign
+    @status.limited_visibility?
+  end
 end