Class: ActionDispatch::FileHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/action_dispatch/middleware/static.rb

Instance Method Summary collapse

Constructor Details

#initialize(root, cache_control) ⇒ FileHandler

Returns a new instance of FileHandler.



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# File 'lib/action_dispatch/middleware/static.rb', line 5

def initialize(root, cache_control)
  @root          = root.chomp('/')
  @compiled_root = /^#{Regexp.escape(root)}/
  headers = cache_control && { 'Cache-Control' => cache_control }
  @file_server   = ::Rack::File.new(@root, headers)
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/action_dispatch/middleware/static.rb', line 26

def call(env)
  @file_server.call(env)
end

#escape_glob_chars(path) ⇒ Object 



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# File 'lib/action_dispatch/middleware/static.rb', line 41

def escape_glob_chars(path)
  path.force_encoding('binary') if path.respond_to? :force_encoding
  path.gsub(/[*?{}\[\]\\]/, "\\\\\\&")
end

#ext ⇒ Object 



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# File 'lib/action_dispatch/middleware/static.rb', line 30

def ext
  @ext ||= begin
    ext = ::ActionController::Base.page_cache_extension
    "{,#{ext},/index#{ext}}"
  end
end

#match?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/middleware/static.rb', line 12

def match?(path)
  path = path.dup

  full_path = path.empty? ? @root : File.join(@root, escape_glob_chars(clean_path_info(unescape_path(path))))
  paths = "#{full_path}#{ext}"

  matches = Dir[paths]
  match = matches.detect { |m| File.file?(m) && File.readable?(m) }
  if match
    match.sub!(@compiled_root, '')
    ::Rack::Utils.escape(match)
  end
end

#unescape_path(path) ⇒ Object 



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# File 'lib/action_dispatch/middleware/static.rb', line 37

def unescape_path(path)
  URI.parser.unescape(path)
end