2017-08-08 12:52:15 -07:00
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# frozen_string_literal: true
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class ActivityPub::ProcessCollectionService < BaseService
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include JsonLdHelper
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2017-12-06 02:41:57 -08:00
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def call(body, account, **options)
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2017-08-08 12:52:15 -07:00
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@account = account
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@json = Oj.load(body, mode: :strict)
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2017-10-08 08:34:34 -07:00
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@options = options
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2017-08-08 12:52:15 -07:00
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2017-09-13 02:05:02 -07:00
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return unless supported_context?
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2017-08-31 08:18:49 -07:00
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return if different_actor? && verify_account!.nil?
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2017-09-25 16:06:13 -07:00
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return if @account.suspended? || @account.local?
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2017-08-26 04:47:38 -07:00
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2017-08-08 12:52:15 -07:00
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case @json['type']
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when 'Collection', 'CollectionPage'
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process_items @json['items']
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when 'OrderedCollection', 'OrderedCollectionPage'
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process_items @json['orderedItems']
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else
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process_items [@json]
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end
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rescue Oj::ParseError
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nil
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end
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private
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2017-08-26 04:47:38 -07:00
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def different_actor?
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2018-12-30 00:48:59 -08:00
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@json['actor'].present? && value_or_id(@json['actor']) != @account.uri
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2017-08-26 04:47:38 -07:00
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end
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2017-08-08 12:52:15 -07:00
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def process_items(items)
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items.reverse_each.map { |item| process_item(item) }.compact
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end
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def supported_context?
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super(@json)
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end
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def process_item(item)
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2017-10-08 08:34:34 -07:00
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activity = ActivityPub::Activity.factory(item, @account, @options)
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2017-08-08 12:52:15 -07:00
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activity&.perform
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end
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2017-08-26 04:47:38 -07:00
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def verify_account!
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2019-02-13 09:42:47 -08:00
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@options[:relayed_through_account] = @account
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2017-08-31 08:18:49 -07:00
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@account = ActivityPub::LinkedDataSignature.new(@json).verify_account!
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2018-05-05 09:22:34 -07:00
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rescue JSON::LD::JsonLdError => e
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Rails.logger.debug "Could not verify LD-Signature for #{value_or_id(@json['actor'])}: #{e.message}"
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nil
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2017-08-26 04:47:38 -07:00
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end
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2017-08-08 12:52:15 -07:00
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end
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