class Rack::PageSpeed
Constants
- Filter
shortcut
Attributes
config[R]
Public Class Methods
new(app, options, &block)
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# File lib/rack/pagespeed.rb, line 10 def initialize app, options, &block @app = app @config = Config.new options.merge(app: app), &block end
Public Instance Methods
call(env)
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# File lib/rack/pagespeed.rb, line 15 def call env if match = %r(^/rack-pagespeed-(.*)).match(env['PATH_INFO']) respond_with match[1] else status, headers, @response = @app.call(env) return [status, headers, @response] unless headers['Content-Type'] =~ /html/ body = ""; @response.each do |part| body << part end @document = Nokogiri::HTML(body) @config.filters.each do |filter| filter.options[:env] = env filter.execute! @document end body = @document.to_html headers['Content-Length'] = body.length.to_s if headers['Content-Length'] # still UTF-8 unsafe [status, headers, [body]] end end
respond_with(asset_id)
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# File lib/rack/pagespeed.rb, line 33 def respond_with asset_id store = @config.store if asset = store[asset_id] [ 200, { 'Last-Modified' => store.mtime(asset_id).httpdate, 'Content-Length' => asset.length, 'Content-Type' => (Rack::Mime.mime_type(::File.extname(asset_id))), 'Cache-Control' => "public, max-age=#{(60*60*24*365.25*10).to_i}", 'Expires' => (Time.now + 60*60*24*365.25*10).httpdate }, [asset] ] else [404, {'Content-Type' => 'text/plain'}, ['Not found']] end end