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# frozen_string_literal: true
module Gitlab
module Ci
class Config
module External
module File
class Base
include Gitlab::Utils::StrongMemoize
attr_reader :location, :params, :context, :errors
YAML_WHITELIST_EXTENSION = /.+\.(yml|yaml)$/i.freeze
Context = Struct.new(:project, :sha, :user)
def initialize(params, context)
@params = params
@context = context
@errors = []
validate!
end
def matching?
location.present?
end
def invalid_extension?
location.nil? || !::File.basename(location).match?(YAML_WHITELIST_EXTENSION)
end
def valid?
errors.none?
end
def error_message
errors.first
end
def content
raise NotImplementedError, _('subclass must implement fetching raw content')
end
def to_hash
@hash ||= Gitlab::Config::Loader::Yaml.new(content).load!
rescue Gitlab::Config::Loader::FormatError
nil
end
protected
def validate!
validate_location!
validate_content! if errors.none?
validate_hash! if errors.none?
end
def validate_location!
if invalid_extension?
errors.push("Included file `#{location}` does not have YAML extension!")
end
end
def validate_content!
if content.blank?
errors.push("Included file `#{location}` is empty or does not exist!")
end
end
def validate_hash!
if to_hash.blank?
errors.push("Included file `#{location}` does not have valid YAML syntax!")
end
end
end
end
end
end
end
end
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