forked from fedi/mastodon
75b1488cf4
* Add Tombstone model to remember object deletion * Do not recreate a status if it has been deleted * Record Tombstone for remote deleted items Also, only record deleted items from same-host actors * Clear an user's tombstones when their key change
88 lines
2.3 KiB
Ruby
88 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::Activity::Delete < ActivityPub::Activity
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def perform
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if @account.uri == object_uri
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delete_person
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else
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delete_note
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end
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end
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private
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def delete_person
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lock_or_return("delete_in_progress:#{@account.id}") do
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SuspendAccountService.new.call(@account)
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@account.destroy!
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end
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end
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def delete_note
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return if object_uri.nil?
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unless invalid_origin?(object_uri)
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RedisLock.acquire(lock_options) { |_lock| delete_later!(object_uri) }
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Tombstone.find_or_create_by(uri: object_uri, account: @account)
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end
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@status = Status.find_by(uri: object_uri, account: @account)
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@status ||= Status.find_by(uri: @object['atomUri'], account: @account) if @object.is_a?(Hash) && @object['atomUri'].present?
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return if @status.nil?
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if @status.public_visibility? || @status.unlisted_visibility?
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forward_for_reply
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forward_for_reblogs
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end
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delete_now!
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end
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def forward_for_reblogs
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return if @json['signature'].blank?
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rebloggers_ids = @status.reblogs.includes(:account).references(:account).merge(Account.local).pluck(:account_id)
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inboxes = Account.where(id: ::Follow.where(target_account_id: rebloggers_ids).select(:account_id)).inboxes - [@account.preferred_inbox_url]
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ActivityPub::DeliveryWorker.push_bulk(inboxes) do |inbox_url|
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[payload, rebloggers_ids.first, inbox_url]
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end
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end
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def replied_to_status
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return @replied_to_status if defined?(@replied_to_status)
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@replied_to_status = @status.thread
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end
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def reply_to_local?
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!replied_to_status.nil? && replied_to_status.account.local?
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end
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def forward_for_reply
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return unless @json['signature'].present? && reply_to_local?
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ActivityPub::RawDistributionWorker.perform_async(Oj.dump(@json), replied_to_status.account_id, [@account.preferred_inbox_url])
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end
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def delete_now!
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RemoveStatusService.new.call(@status)
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end
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def payload
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@payload ||= Oj.dump(@json)
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end
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def lock_options
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{ redis: Redis.current, key: "create:#{object_uri}" }
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end
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def invalid_origin?(url)
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return true if unsupported_uri_scheme?(url)
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needle = Addressable::URI.parse(url).host
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haystack = Addressable::URI.parse(@account.uri).host
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!haystack.casecmp(needle).zero?
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end
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end
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