104 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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class SuspendAccountService < BaseService
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  include Payloadable
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  def call(account)
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    @account = account
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    suspend!
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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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  private
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  def suspend!
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    @account.suspend! unless @account.suspended?
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  end
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  def reject_remote_follows!
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    return if @account.local? || !@account.activitypub?
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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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    follows = Follow.where(account: @account).to_a
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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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    follows.each(&:destroy)
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  end
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  def distribute_update_actor!
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    return unless @account.local?
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    account_reach_finder = AccountReachFinder.new(@account)
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    ActivityPub::DeliveryWorker.push_bulk(account_reach_finder.inboxes) 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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  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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  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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  def privatize_media_attachments!
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    attachment_names = MediaAttachment.attachment_definitions.keys
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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     = [:original] | attachment.styles.keys
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        next if attachment.blank?
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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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            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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            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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          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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  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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