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rails--rails/railties/lib/rails/rack/static.rb
2008-12-03 10:23:58 -06:00

37 lines
970 B
Ruby

require 'rack/utils'
module Rails
module Rack
class Static
FILE_METHODS = %w(GET HEAD).freeze
def initialize(app)
@app = app
@file_server = ::Rack::File.new(File.join(RAILS_ROOT, "public"))
end
def call(env)
path = env['PATH_INFO'].chomp('/')
method = env['REQUEST_METHOD']
cached_path = (path.empty? ? 'index' : path) + ::ActionController::Base.page_cache_extension
if FILE_METHODS.include?(method)
if file_exist?(path)
return @file_server.call(env)
elsif file_exist?(cached_path)
env['PATH_INFO'] = cached_path
return @file_server.call(env)
end
end
@app.call(env)
end
private
def file_exist?(path)
full_path = File.join(@file_server.root, ::Rack::Utils.unescape(path))
File.file?(full_path) && File.readable?(full_path)
end
end
end
end