zammad/app/graphql/gql/queries/application_config.rb

# Copyright (C) 2012-2023 Zammad Foundation, https://zammad-foundation.org/

module Gql::Queries
  class ApplicationConfig < BaseQuery

    description 'Configuration required for front end operation (more results returned for authenticated users)'

    type [Gql::Types::KeyComplexValueType, { null: false }], null: false

    def self.authorize(...)
      true # This query should be available for all (including unauthenticated) users.
    end

    # Reimplemented from sessions_controller#config_frontend.
    def resolve(...)
      frontend_settings + rails_application_config
    end

    private

    def frontend_settings
      result = []
      unauthenticated = context.current_user?.nil?
      Setting.select('name, preferences').where(frontend: true).each do |setting|
        next if setting.preferences[:authentication] && unauthenticated

        value = Setting.get(setting.name)
        next if unauthenticated && !value

        result << { key: setting.name, value: value }
      end
      result
    end

    def rails_application_config
      relevant_configs = [
        'active_storage.web_image_content_types',
      ]

      relevant_configs.map do |config_name|
        (method, key) = config_name.split('.')

        value = Rails.application.config.send(method)
        value = value[key.to_sym] if key.present?

        { key: config_name, value: value }
      end
    end
  end
end