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* Add support for editing for published statuses * Fix references to stripped-out code * Various fixes and improvements * Further fixes and improvements * Fix updates being potentially sent to unauthorized recipients * Various fixes and improvements * Fix wrong words in test * Fix notifying accounts that were tagged but were not in the audience * Fix mistake
152 lines
4.8 KiB
Ruby
152 lines
4.8 KiB
Ruby
# frozen_string_literal: true
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class RemoveStatusService < BaseService
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include Redisable
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include Payloadable
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# Delete a status
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# @param [Status] status
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# @param [Hash] options
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# @option [Boolean] :redraft
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# @option [Boolean] :immediate
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# @option [Boolean] :preserve
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# @option [Boolean] :original_removed
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def call(status, **options)
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@payload = Oj.dump(event: :delete, payload: status.id.to_s)
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@status = status
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@account = status.account
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@options = options
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@status.discard
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RedisLock.acquire(lock_options) do |lock|
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if lock.acquired?
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remove_from_self if @account.local?
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remove_from_followers
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remove_from_lists
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# There is no reason to send out Undo activities when the
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# cause is that the original object has been removed, since
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# original object being removed implicitly removes reblogs
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# of it. The Delete activity of the original is forwarded
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# separately.
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remove_from_remote_reach if @account.local? && !@options[:original_removed]
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# Since reblogs don't mention anyone, don't get reblogged,
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# favourited and don't contain their own media attachments
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# or hashtags, this can be skipped
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unless @status.reblog?
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remove_from_mentions
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remove_reblogs
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remove_from_hashtags
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remove_from_public
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remove_from_media if @status.media_attachments.any?
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remove_media
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end
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@status.destroy! if permanently?
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else
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raise Mastodon::RaceConditionError
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end
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end
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end
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private
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def remove_from_self
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FeedManager.instance.unpush_from_home(@account, @status)
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end
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def remove_from_followers
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@account.followers_for_local_distribution.reorder(nil).find_each do |follower|
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FeedManager.instance.unpush_from_home(follower, @status)
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end
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end
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def remove_from_lists
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@account.lists_for_local_distribution.select(:id, :account_id).reorder(nil).find_each do |list|
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FeedManager.instance.unpush_from_list(list, @status)
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end
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end
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def remove_from_mentions
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# For limited visibility statuses, the mentions that determine
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# who receives them in their home feed are a subset of followers
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# and therefore the delete is already handled by sending it to all
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# followers. Here we send a delete to actively mentioned accounts
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# that may not follow the account
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@status.active_mentions.find_each do |mention|
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redis.publish("timeline:#{mention.account_id}", @payload)
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end
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end
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def remove_from_remote_reach
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# Followers, relays, people who got mentioned in the status,
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# or who reblogged it from someone else might not follow
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# the author and wouldn't normally receive the delete
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# notification - so here, we explicitly send it to them
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status_reach_finder = StatusReachFinder.new(@status, unsafe: true)
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ActivityPub::DeliveryWorker.push_bulk(status_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 signed_activity_json
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@signed_activity_json ||= Oj.dump(serialize_payload(@status, @status.reblog? ? ActivityPub::UndoAnnounceSerializer : ActivityPub::DeleteSerializer, signer: @account))
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end
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def remove_reblogs
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# We delete reblogs of the status before the original status,
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# because once original status is gone, reblogs will disappear
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# without us being able to do all the fancy stuff
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@status.reblogs.includes(:account).reorder(nil).find_each do |reblog|
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RemoveStatusService.new.call(reblog, original_removed: true)
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end
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end
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def remove_from_hashtags
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@account.featured_tags.where(tag_id: @status.tags.map(&:id)).each do |featured_tag|
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featured_tag.decrement(@status.id)
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end
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return unless @status.public_visibility?
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@status.tags.map(&:name).each do |hashtag|
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redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", @payload)
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redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", @payload) if @status.local?
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end
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end
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def remove_from_public
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return unless @status.public_visibility?
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redis.publish('timeline:public', @payload)
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redis.publish(@status.local? ? 'timeline:public:local' : 'timeline:public:remote', @payload)
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end
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def remove_from_media
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return unless @status.public_visibility?
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redis.publish('timeline:public:media', @payload)
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redis.publish(@status.local? ? 'timeline:public:local:media' : 'timeline:public:remote:media', @payload)
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end
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def remove_media
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return if @options[:redraft] || !permanently?
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@status.media_attachments.destroy_all
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end
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def permanently?
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@options[:immediate] || !(@options[:preserve] || @status.reported?)
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end
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def lock_options
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{ redis: Redis.current, key: "distribute:#{@status.id}", autorelease: 5.minutes.seconds }
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end
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end
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