forked from fedi/mastodon
dad339da6d
Reject those from accounts with no local followers, from relays that are not enabled, which do not address local accounts and are not replies to accounts that do have local followers
54 lines
1.3 KiB
Ruby
54 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::ProcessCollectionService < BaseService
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include JsonLdHelper
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def call(body, account, **options)
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@account = account
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@json = Oj.load(body, mode: :strict)
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@options = options
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return unless supported_context?
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return if different_actor? && verify_account!.nil?
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return if @account.suspended? || @account.local?
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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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def different_actor?
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@json['actor'].present? && value_or_id(@json['actor']) != @account.uri
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end
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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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activity = ActivityPub::Activity.factory(item, @account, @options)
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activity&.perform
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end
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def verify_account!
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@options[:relayed_through_account] = @account
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@account = ActivityPub::LinkedDataSignature.new(@json).verify_account!
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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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end
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end
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