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# frozen_string_literal: true
module Gitlab
module Config
module Loader
class Yaml
DataTooLargeError = Class.new(Loader::FormatError)
include Gitlab::Utils::StrongMemoize
MAX_YAML_SIZE = 1.megabyte
MAX_YAML_DEPTH = 100
def initialize(config)
@config = YAML.safe_load(config, [Symbol], [], true)
rescue Psych::Exception => e
raise Loader::FormatError, e.message
end
def valid?
hash? && !too_big?
end
def load!
raise DataTooLargeError, 'The parsed YAML is too big' if too_big?
raise Loader::FormatError, 'Invalid configuration format' unless hash?
@config.deep_symbolize_keys
end
private
def hash?
@config.is_a?(Hash)
end
def too_big?
return false unless Feature.enabled?(:ci_yaml_limit_size, default_enabled: true)
!deep_size.valid?
end
def deep_size
strong_memoize(:deep_size) do
Gitlab::Utils::DeepSize.new(@config,
max_size: MAX_YAML_SIZE,
max_depth: MAX_YAML_DEPTH)
end
end
end
end
end
end
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