45 lines
1.2 KiB
Ruby
45 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Graphql
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class Variables
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Invalid = Class.new(Gitlab::Graphql::StandardGraphqlError)
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def initialize(param)
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@param = param
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end
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def to_h
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ensure_hash(@param)
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end
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private
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# Handle form data, JSON body, or a blank value
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def ensure_hash(ambiguous_param)
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case ambiguous_param
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when String
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if ambiguous_param.present?
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ensure_hash(Gitlab::Json.parse(ambiguous_param))
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else
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{}
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end
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when Hash
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ambiguous_param
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when ActionController::Parameters
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# We can and have to trust the "Parameters" because `graphql-ruby` handles this hash safely
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# Also, `graphql-ruby` uses hash-specific methods, for example `size`:
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# https://sourcegraph.com/github.com/rmosolgo/graphql-ruby@61232b03412df6685406fc46c414e11d3f447817/-/blob/lib/graphql/query.rb?L304
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ambiguous_param.to_unsafe_h
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when nil
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{}
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else
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raise Invalid, "Unexpected parameter: #{ambiguous_param}"
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end
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rescue JSON::ParserError => e
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raise Invalid, e
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end
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end
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end
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end
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