Module: RackResize::InputParsers::Cloudflare

Extended by:
Cloudflare
Included in:
Cloudflare
Defined in:
lib/rack_resize/input_parsers/cloudflare.rb

Instance Method Summary collapse

Instance Method Details

#parse_input(fullpath, cf_path_prefix:) ⇒ Object

process string like this /cdn-cgi/image/width=426,format=auto/assets/templates/vancouver-27c47f55.jpg



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# File 'lib/rack_resize/input_parsers/cloudflare.rb', line 7

def parse_input(fullpath, cf_path_prefix:)
  unless fullpath.start_with?(cf_path_prefix)
    return { route_matched: false, req_params: nil, asset_path: nil }
  end

  fullpath = fullpath.delete_prefix("/cdn-cgi").delete_prefix("/image").delete_prefix("/")
  file_path_match = fullpath.match(%r{(?<params>[^\/]+)(?<file>\/.+?)(-[\da-f]{8})?(?<ext>\.\w{2,})$})

  return { route_matched: true, req_params: nil, asset_path: nil } unless file_path_match

  req_params = file_path_match[:params].split(",").map {|s| s.split("=") }.to_h.transform_keys(&:to_sym)
  asset_path = "#{file_path_match[:file]}#{file_path_match[:ext]}"

  { route_matched: true, req_params:, asset_path: }
end