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028e76f770
* Add limit on inbox payload size The 1MB limit is consistent with the limit we use when fetching remote resources * Add limit to number of options from federated polls * Add a limit to the number of federated profile fields * Add limit on federated username length * Add hard limits for federated display name and account bio * Add hard limits for `alsoKnownAs` and `attributionDomains` * Add hard limit on federated custom emoji shortcode * Highlight most destructive limits and expand on their reasoning
58 lines
1.2 KiB
Ruby
58 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::Parser::PollParser
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include JsonLdHelper
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# Limit the number of items for performance purposes.
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# We truncate rather than error out to avoid missing the post entirely.
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MAX_ITEMS = 500
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def initialize(json)
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@json = json
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end
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def valid?
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equals_or_includes?(@json['type'], 'Question') && items.is_a?(Array)
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end
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# @param [Poll] previous_record
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def significantly_changes?(previous_record)
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options != previous_record.options ||
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multiple != previous_record.multiple
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end
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def options
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items.filter_map { |item| item['name'].presence || item['content'] }
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end
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def multiple
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@json['anyOf'].is_a?(Array)
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end
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def expires_at
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if @json['closed'].is_a?(String)
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@json['closed'].to_datetime
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elsif !@json['closed'].nil? && !@json['closed'].is_a?(FalseClass)
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Time.now.utc
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else
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@json['endTime']&.to_datetime
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end
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rescue ArgumentError
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nil
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end
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def voters_count
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@json['votersCount']
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end
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def cached_tallies
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items.map { |item| item.dig('replies', 'totalItems') || 0 }
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end
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private
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def items
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(@json['anyOf'] || @json['oneOf'])&.take(MAX_ITEMS)
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end
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end
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