class Servel::App

Constants

PATH_INFO
SCRIPT_NAME
UTF_8

Public Class Methods

new(root) click to toggle source
# File lib/servel/app.rb, line 6
def initialize(root)
  @root = Pathname.new(root)
  @file_server = Rack::File.new(root.to_s)
end

Public Instance Methods

call(env) click to toggle source
# File lib/servel/app.rb, line 11
def call(env)
  env[SCRIPT_NAME] = try_encode(env[SCRIPT_NAME])
  env[PATH_INFO] = try_encode(env[PATH_INFO])

  url_root = env[SCRIPT_NAME]
  url_path = clean_url_path(env[PATH_INFO])

  return redirect("#{url_root}/") if env[PATH_INFO] == ""

  fs_path = @root + url_path[1..-1]

  return @file_server.call(env) if fs_path.file?

  return redirect("#{url_root}#{url_path}/") unless env[PATH_INFO].end_with?("/")

  return [404, {}, []] unless fs_path.exist?

  Servel::Index.new(url_root: url_root, url_path: url_path, fs_path: fs_path).render
end
clean_url_path(path) click to toggle source
# File lib/servel/app.rb, line 35
def clean_url_path(path)
  url_path = Rack::Utils.unescape_path(path)
  raise unless Rack::Utils.valid_path?(url_path)
  Rack::Utils.clean_path_info(url_path)
end
redirect(location) click to toggle source
# File lib/servel/app.rb, line 31
def redirect(location)
  [302, { "Location" => Rack::Utils.escape_path(location) }, []]
end
try_encode(string) click to toggle source
# File lib/servel/app.rb, line 41
def try_encode(string)
  return string if string.encoding == UTF_8
  string.encode(UTF_8)
rescue Encoding::UndefinedConversionError, Encoding::InvalidByteSequenceError
  string
end