David Heinemeier Hansson
28 lines
702 B
Ruby
28 lines
702 B
Ruby
module RequestForgeryProtection
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extend ActiveSupport::Concern
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included do
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after_action :append_sec_fetch_site_to_vary_header
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end
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private
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def append_sec_fetch_site_to_vary_header
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vary_header = response.headers["Vary"].to_s.split(",").map(&:strip).reject(&:blank?)
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response.headers["Vary"] = (vary_header + [ "Sec-Fetch-Site" ]).join(",")
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end
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def verified_request?
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super || safe_fetch_site? || request.format.json?
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end
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SAFE_FETCH_SITES = %w[ same-origin same-site ]
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def safe_fetch_site?
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SAFE_FETCH_SITES.include?(sec_fetch_site_value)
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end
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def sec_fetch_site_value
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request.headers["Sec-Fetch-Site"].to_s.downcase
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end
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end
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