Class: Plum::ThemeAssetPath

Inherits:
Object
  • Object
show all
Defined in:
app/services/plum/theme_asset_path.rb

Defined Under Namespace

Classes: UnsafePathError

Class Method Summary collapse

Class Method Details

.normalize(path) ⇒ Object

Raises:



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# File 'app/services/plum/theme_asset_path.rb', line 8

def normalize(path)
  raw_path = path.to_s
  raise UnsafePathError, "Theme asset path cannot be blank" if raw_path.blank?
  raise UnsafePathError, "Theme asset path cannot contain null bytes" if raw_path.include?("\0")

  parts = raw_path.split("/").reject(&:blank?)
  if Pathname(raw_path).absolute? || parts.any? { |part| part == "." || part == ".." }
    raise UnsafePathError, "Theme asset path must stay inside the theme assets directory"
  end
  raise UnsafePathError, "Theme asset path cannot be blank" if parts.blank?

  parts.join("/")
end

.url(base_url:, path:) ⇒ Object 



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# File 'app/services/plum/theme_asset_path.rb', line 22

def url(base_url:, path:)
  encoded_path = normalize(path).split("/").map { |part| ERB::Util.url_encode(part) }.join("/")

  "#{base_url.to_s.chomp("/")}/#{encoded_path}"
rescue UnsafePathError
  ""
end