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# frozen_string_literal: true
module Gitlab
module Config
module Loader
class Yaml
DataTooLargeError = Class.new(Loader::FormatError)
NotHashError = Class.new(Loader::FormatError)
include Gitlab::Utils::StrongMemoize
def initialize(config, additional_permitted_classes: [])
@config = YAML.safe_load(config,
permitted_classes: [Symbol, *additional_permitted_classes],
permitted_symbols: [],
aliases: true
)
rescue Psych::Exception => e
raise Loader::FormatError, e.message
end
def valid?
hash? && !too_big?
end
def load_raw!
raise DataTooLargeError, 'The parsed YAML is too big' if too_big?
raise NotHashError, 'Invalid configuration format' unless hash?
@config
end
def load!
@symbolized_config ||= load_raw!.deep_symbolize_keys
end
def blank?
@config.blank?
end
private
def hash?
@config.is_a?(Hash)
end
def too_big?
!deep_size.valid?
end
def deep_size
strong_memoize(:deep_size) do
Gitlab::Utils::DeepSize.new(@config,
max_size: Gitlab::CurrentSettings.current_application_settings.max_yaml_size_bytes,
max_depth: Gitlab::CurrentSettings.current_application_settings.max_yaml_depth)
end
end
end
end
end
end
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