5 files changed, 102 insertions, 49 deletions
diff --git a/app/javascript/styles/mastodon/admin.scss b/app/javascript/styles/mastodon/admin.scss
index a1b99636c..fa47d19d7 100644
--- a/app/javascript/styles/mastodon/admin.scss
+++ b/app/javascript/styles/mastodon/admin.scss
@@ -1383,16 +1383,20 @@ a.sparkline {
       line-height: 20px;
       margin-bottom: 4px;
 
-      .username a {
+      .username {
         color: $primary-text-color;
         font-weight: 500;
-        text-decoration: none;
         margin-right: 5px;
 
-        &:hover,
-        &:focus,
-        &:active {
-          text-decoration: underline;
+        a {
+          color: inherit;
+          text-decoration: none;
+
+          &:hover,
+          &:focus,
+          &:active {
+            text-decoration: underline;
+          }
         }
       }
 
diff --git a/app/lib/activitypub/activity/delete.rb b/app/lib/activitypub/activity/delete.rb
index 801647cf7..f5ef863f3 100644
--- a/app/lib/activitypub/activity/delete.rb
+++ b/app/lib/activitypub/activity/delete.rb
@@ -37,50 +37,16 @@ class ActivityPub::Activity::Delete < ActivityPub::Activity
 
       return if @status.nil?
 
-      forward! if @json['signature'].present? && @status.distributable?
+      forwarder.forward! if forwarder.forwardable?
       delete_now!
     end
   end
 
-  def rebloggers_ids
-    return @rebloggers_ids if defined?(@rebloggers_ids)
-    @rebloggers_ids = @status.reblogs.includes(:account).references(:account).merge(Account.local).pluck(:account_id)
-  end
-
-  def inboxes_for_reblogs
-    Account.where(id: ::Follow.where(target_account_id: rebloggers_ids).select(:account_id)).inboxes
-  end
-
-  def replied_to_status
-    return @replied_to_status if defined?(@replied_to_status)
-    @replied_to_status = @status.thread
-  end
-
-  def reply_to_local?
-    !replied_to_status.nil? && replied_to_status.account.local?
-  end
-
-  def inboxes_for_reply
-    replied_to_status.account.followers.inboxes
-  end
-
-  def forward!
-    inboxes = inboxes_for_reblogs
-    inboxes += inboxes_for_reply if reply_to_local?
-    inboxes -= [@account.preferred_inbox_url]
-
-    sender_id = reply_to_local? ? replied_to_status.account_id : rebloggers_ids.first
-
-    ActivityPub::LowPriorityDeliveryWorker.push_bulk(inboxes.uniq) do |inbox_url|
-      [payload, sender_id, inbox_url]
-    end
+  def forwarder
+    @forwarder ||= ActivityPub::Forwarder.new(@account, @json, @status)
   end
 
   def delete_now!
     RemoveStatusService.new.call(@status, redraft: false)
   end
-
-  def payload
-    @payload ||= Oj.dump(@json)
-  end
 end
diff --git a/app/lib/activitypub/activity/update.rb b/app/lib/activitypub/activity/update.rb
index f04ad321b..0bfead55b 100644
--- a/app/lib/activitypub/activity/update.rb
+++ b/app/lib/activitypub/activity/update.rb
@@ -22,10 +22,15 @@ class ActivityPub::Activity::Update < ActivityPub::Activity
   def update_status
     return reject_payload! if invalid_origin?(@object['id'])
 
-    status = Status.find_by(uri: object_uri, account_id: @account.id)
+    @status = Status.find_by(uri: object_uri, account_id: @account.id)
 
-    return if status.nil?
+    return if @status.nil?
 
-    ActivityPub::ProcessStatusUpdateService.new.call(status, @object)
+    forwarder.forward! if forwarder.forwardable?
+    ActivityPub::ProcessStatusUpdateService.new.call(@status, @object)
+  end
+
+  def forwarder
+    @forwarder ||= ActivityPub::Forwarder.new(@account, @json, @status)
   end
 end
diff --git a/app/lib/activitypub/forwarder.rb b/app/lib/activitypub/forwarder.rb
new file mode 100644
index 000000000..4206b9d82
--- /dev/null
+++ b/app/lib/activitypub/forwarder.rb
@@ -0,0 +1,65 @@
+# frozen_string_literal: true
+
+class ActivityPub::Forwarder
+  def initialize(account, original_json, status)
+    @json    = original_json
+    @account = account
+    @status  = status
+  end
+
+  def forwardable?
+    @json['signature'].present? && @status.distributable?
+  end
+
+  def forward!
+    ActivityPub::LowPriorityDeliveryWorker.push_bulk(inboxes) do |inbox_url|
+      [payload, signature_account_id, inbox_url]
+    end
+  end
+
+  private
+
+  def payload
+    @payload ||= Oj.dump(@json)
+  end
+
+  def reblogged_by_account_ids
+    @reblogged_by_account_ids ||= @status.reblogs.includes(:account).references(:account).merge(Account.local).pluck(:account_id)
+  end
+
+  def signature_account_id
+    @signature_account_id ||= begin
+      if in_reply_to_local?
+        in_reply_to.account_id
+      else
+        reblogged_by_account_ids.first
+      end
+    end
+  end
+
+  def inboxes
+    @inboxes ||= begin
+      arr  = inboxes_for_followers_of_reblogged_by_accounts
+      arr += inboxes_for_followers_of_replied_to_account if in_reply_to_local?
+      arr -= [@account.preferred_inbox_url]
+      arr.uniq!
+      arr
+    end
+  end
+
+  def inboxes_for_followers_of_reblogged_by_accounts
+    Account.where(id: ::Follow.where(target_account_id: reblogged_by_account_ids).select(:account_id)).inboxes
+  end
+
+  def inboxes_for_followers_of_replied_to_account
+    in_reply_to.account.followers.inboxes
+  end
+
+  def in_reply_to
+    @status.thread
+  end
+
+  def in_reply_to_local?
+    @status.thread&.account&.local?
+  end
+end
diff --git a/app/views/admin/reports/show.html.haml b/app/views/admin/reports/show.html.haml
index abcbec949..209fbb698 100644
--- a/app/views/admin/reports/show.html.haml
+++ b/app/views/admin/reports/show.html.haml
@@ -118,15 +118,28 @@
 = react_admin_component :report_reason_selector, id: @report.id, category: @report.category, rule_ids: @report.rule_ids&.map(&:to_s), disabled: @report.action_taken?
 
 - if @report.comment.present?
-  %p= t('admin.reports.comment_description_html', name: content_tag(:strong, @report.account.username, class: 'username'))
+  - if @report.account.instance_actor?
+    %p= t('admin.reports.comment_description_html', name: content_tag(:strong, site_hostname, class: 'username'))
+  - elsif @report.account.local?
+    %p= t('admin.reports.comment_description_html', name: content_tag(:strong, @report.account.username, class: 'username'))
+  - else
+    %p= t('admin.reports.comment_description_html', name: t('admin.reports.remote_user_placeholder', instance: @report.account.domain))
 
   .report-notes
     .report-notes__item
-      = image_tag @report.account.avatar.url, class: 'report-notes__item__avatar'
+      - if @report.account.local? && !@report.account.instance_actor?
+        = image_tag @report.account.avatar.url, class: 'report-notes__item__avatar'
+      - else
+        = image_tag(full_asset_url('avatars/original/missing.png', skip_pipeline: true), class: 'report-notes__item__avatar')
 
       .report-notes__item__header
         %span.username
-          = link_to display_name(@report.account), admin_account_path(@report.account_id)
+          - if @report.account.instance_actor?
+            = site_hostname
+          - elsif @report.account.local?
+            = link_to @report.account.username, admin_account_path(@report.account_id)
+          - else
+            = link_to @report.account.domain, admin_instance_path(@report.account.domain)
         %time{ datetime: @report.created_at.iso8601, title: l(@report.created_at) }
           - if @report.created_at.today?
             = t('admin.report_notes.today_at', time: l(@report.created_at, format: :time))