107 lines
3.7 KiB
Ruby
107 lines
3.7 KiB
Ruby
# frozen_string_literal: true
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class SuspendAccountService < BaseService
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include Payloadable
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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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@account = account
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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 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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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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follows.each(&:destroy)
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end
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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, 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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def unmerge_from_home_timelines!
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@account.followers_for_local_distribution.reorder(nil).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.reorder(nil).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 = MediaAttachment::DEFAULT_STYLES | 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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# Prevent useless S3 calls if ACLs are disabled
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next if ENV['S3_PERMISSION'] == ''
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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, :azure
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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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