class ElasticAPM::Filters::SecretsFilter

def call(payload)
  strip_from payload[:transactions], :context, :request, :headers
  strip_from payload[:transactions], :context, :response, :headers
  strip_from payload[:errors], :context, :request, :headers
  strip_from payload[:errors], :context, :response, :headers
  payload
end

def filter_key?(key)
  @key_filters.any? { |regex| key.match regex }
end

def filter_value?(value)
  VALUE_FILTERS.any? { |regex| value.match regex }
end

def initialize(config)
  @config = config
  @key_filters = KEY_FILTERS + config.custom_key_filters
end

def strip_from(events, *path)
  return unless events
  events.each do |event|
    next unless (headers = event.dig(*path))
    headers.each do |k, v|
      if filter_key?(k) || filter_value?(v)
        headers[k] = FILTERED
      end
    end
  end
end