65 lines
1.9 KiB
Ruby
65 lines
1.9 KiB
Ruby
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# frozen_string_literal: true
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module Gitlab
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module Config
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module Loader
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class MultiDocYaml
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TooManyDocumentsError = Class.new(Loader::FormatError)
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DataTooLargeError = Class.new(Loader::FormatError)
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NotHashError = Class.new(Loader::FormatError)
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MULTI_DOC_DIVIDER = /^---$/.freeze
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def initialize(config, max_documents:, additional_permitted_classes: [])
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@max_documents = max_documents
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@safe_config = load_config(config, additional_permitted_classes)
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end
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def load!
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raise TooManyDocumentsError, 'The parsed YAML has too many documents' if too_many_documents?
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raise DataTooLargeError, 'The parsed YAML is too big' if too_big?
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raise NotHashError, 'Invalid configuration format' unless all_hashes?
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safe_config.map(&:deep_symbolize_keys)
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end
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private
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attr_reader :safe_config, :max_documents
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def load_config(config, additional_permitted_classes)
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config.split(MULTI_DOC_DIVIDER).filter_map do |document|
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YAML.safe_load(document,
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permitted_classes: [Symbol, *additional_permitted_classes],
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permitted_symbols: [],
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aliases: true
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)
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end
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rescue Psych::Exception => e
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raise Loader::FormatError, e.message
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end
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def all_hashes?
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safe_config.all?(Hash)
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end
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def too_many_documents?
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safe_config.count > max_documents
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end
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def too_big?
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!deep_sizes.all?(&:valid?)
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end
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def deep_sizes
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safe_config.map do |config|
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Gitlab::Utils::DeepSize.new(config,
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max_size: Gitlab::CurrentSettings.current_application_settings.max_yaml_size_bytes,
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max_depth: Gitlab::CurrentSettings.current_application_settings.max_yaml_depth)
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end
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end
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end
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end
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end
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end
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