class ActionDispatch::FileHandler
Constants
- PATH_SEPS
Public Class Methods
new(root, cache_control)
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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
Public Instance Methods
call(env)
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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)
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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()
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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)
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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)
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# File lib/action_dispatch/middleware/static.rb, line 37 def unescape_path(path) URI.parser.unescape(path) end
Private Instance Methods
clean_path_info(path_info)
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# File lib/action_dispatch/middleware/static.rb, line 50 def clean_path_info(path_info) path_info.force_encoding('binary') if path_info.respond_to? :force_encoding parts = path_info.split PATH_SEPS clean = [] parts.each do |part| next if part.empty? || part == '.' part == '..' ? clean.pop : clean << part end clean.unshift '/' if parts.empty? || parts.first.empty? ::File.join(*clean) end