Class: RubstApi::StaticFiles

Inherits:
Object
  • Object
show all
Defined in:
lib/rubst_api/static_files.rb

Constant Summary collapse

MIME_TYPES = 
{
  ".html" => "text/html; charset=utf-8", ".css" => "text/css; charset=utf-8",
  ".js" => "application/javascript", ".json" => "application/json",
  ".png" => "image/png", ".jpg" => "image/jpeg", ".jpeg" => "image/jpeg",
  ".svg" => "image/svg+xml", ".txt" => "text/plain; charset=utf-8"
}.freeze

Instance Method Summary collapse

Constructor Details

#initialize(directory:, html: false, check_dir: true) ⇒ StaticFiles

Returns a new instance of StaticFiles.

Raises:

  • (ArgumentError) 


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# File 'lib/rubst_api/static_files.rb', line 12

def initialize(directory:, html: false, check_dir: true)
  @directory, @html = File.expand_path(directory), html
  raise ArgumentError, "Directory does not exist: #{directory}" if check_dir && !Dir.exist?(@directory)
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rubst_api/static_files.rb', line 17

def call(env)
  relative = URI.decode_www_form_component(env.fetch("PATH_INFO", "/")).sub(%r{\A/+}, "")
  path = File.expand_path(relative, @directory)
  return not_found unless path == @directory || path.start_with?("#{@directory}#{File::SEPARATOR}")
  path = File.join(path, "index.html") if @html && File.directory?(path)
  return not_found unless File.file?(path)
  FileResponse.new(path, media_type: MIME_TYPES.fetch(File.extname(path).downcase, "application/octet-stream")).finish
end