class FileServer

Public Instance Methods

call(env) click to toggle source

# File lib/static.rb, line 32
def call(env)
  res = Rack::Response.new
  file_name = requested_file_name(env)

  if File.exist?(file_name)
    serve_file(file_name, res)
  else
    res.status = 404
    res.write("File not found")
  end
  res
end

Private Instance Methods

requested_file_name(env) click to toggle source

# File lib/static.rb, line 55
def requested_file_name(env)
  req = Rack::Request.new(env)
  path = req.path
  dir = File.dirname(__FILE__)
  File.join(dir, '..', path)
end

serve_file(file_name, res) click to toggle source

# File lib/static.rb, line 47
def serve_file(file_name, res)
  extension = File.extname(file_name)
  content_type = MIME_TYPES[extension]
  file = File.read(file_name)
  res["Content-type"] = content_type
  res.write(file)
end