107 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| class SuspendAccountService < BaseService
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|   include Payloadable
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| 
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|   # Carry out the suspension of a recently-suspended account
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|   # @param [Account] account Account to suspend
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|   def call(account)
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|     return unless account.suspended?
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| 
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|     @account = account
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| 
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|     reject_remote_follows!
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|     distribute_update_actor!
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|     unmerge_from_home_timelines!
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|     unmerge_from_list_timelines!
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|     privatize_media_attachments!
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|   end
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| 
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|   private
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| 
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|   def reject_remote_follows!
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|     return if @account.local? || !@account.activitypub?
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| 
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|     # When suspending a remote account, the account obviously doesn't
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|     # actually become suspended on its origin server, i.e. unlike a
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|     # locally suspended account it continues to have access to its home
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|     # feed and other content. To prevent it from being able to continue
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|     # to access toots it would receive because it follows local accounts,
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|     # we have to force it to unfollow them. Unfortunately, there is no
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|     # counterpart to this operation, i.e. you can't then force a remote
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|     # account to re-follow you, so this part is not reversible.
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| 
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|     Follow.where(account: @account).find_in_batches do |follows|
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|       ActivityPub::DeliveryWorker.push_bulk(follows) do |follow|
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|         [Oj.dump(serialize_payload(follow, ActivityPub::RejectFollowSerializer)), follow.target_account_id, @account.inbox_url]
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|       end
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| 
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|       follows.each(&:destroy)
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|     end
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|   end
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| 
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|   def distribute_update_actor!
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|     return unless @account.local?
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| 
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|     account_reach_finder = AccountReachFinder.new(@account)
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| 
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|     ActivityPub::DeliveryWorker.push_bulk(account_reach_finder.inboxes, limit: 1_000) do |inbox_url|
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|       [signed_activity_json, @account.id, inbox_url]
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|     end
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|   end
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| 
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|   def unmerge_from_home_timelines!
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|     @account.followers_for_local_distribution.find_each do |follower|
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|       FeedManager.instance.unmerge_from_home(@account, follower)
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|     end
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|   end
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| 
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|   def unmerge_from_list_timelines!
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|     @account.lists_for_local_distribution.find_each do |list|
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|       FeedManager.instance.unmerge_from_list(@account, list)
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|     end
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|   end
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| 
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|   def privatize_media_attachments!
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|     attachment_names = MediaAttachment.attachment_definitions.keys
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| 
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|     @account.media_attachments.find_each do |media_attachment|
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|       attachment_names.each do |attachment_name|
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|         attachment = media_attachment.public_send(attachment_name)
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|         styles     = MediaAttachment::DEFAULT_STYLES | attachment.styles.keys
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| 
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|         next if attachment.blank?
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| 
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|         styles.each do |style|
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|           case Paperclip::Attachment.default_options[:storage]
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|           when :s3
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|             # Prevent useless S3 calls if ACLs are disabled
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|             next if ENV['S3_PERMISSION'] == ''
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| 
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|             begin
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|               attachment.s3_object(style).acl.put(acl: 'private')
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|             rescue Aws::S3::Errors::NoSuchKey
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|               Rails.logger.warn "Tried to change acl on non-existent key #{attachment.s3_object(style).key}"
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|             rescue Aws::S3::Errors::NotImplemented => e
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|               Rails.logger.error "Error trying to change ACL on #{attachment.s3_object(style).key}: #{e.message}"
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|             end
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|           when :fog
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|             # Not supported
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|           when :filesystem
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|             begin
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|               FileUtils.chmod(0o600 & ~File.umask, attachment.path(style)) unless attachment.path(style).nil?
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|             rescue Errno::ENOENT
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|               Rails.logger.warn "Tried to change permission on non-existent file #{attachment.path(style)}"
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|             end
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|           end
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| 
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|           CacheBusterWorker.perform_async(attachment.path(style)) if Rails.configuration.x.cache_buster_enabled
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|         end
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|       end
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|     end
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|   end
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| 
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|   def signed_activity_json
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|     @signed_activity_json ||= Oj.dump(serialize_payload(@account, ActivityPub::UpdateSerializer, signer: @account))
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|   end
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| end
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