Class: Gulp::Pipeline::Rails::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/gulp/pipeline/rails/server.rb

Overview

‘Server` provides a Rack compatible `call` interface and url generation helpers.

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Server

Returns a new instance of Server.



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# File 'lib/gulp/pipeline/rails/server.rb', line 11

def initialize(app, options = {})
  config = app.config

  @debug = config.assets.debug
  @file_server = Rack::File.new(app.root.join('public', Assets.base_path).to_s)
  @cache_duration = options[:duration] || 1
  @duration_in_seconds = duration_in_seconds
  @duration_in_words = duration_in_words
end

Instance Method Details

#call(env) ⇒ Object

A request for ‘“/assets/javascripts/foo/bar.js”` will search the public directory.



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# File 'lib/gulp/pipeline/rails/server.rb', line 22

def call(env)
  if env['REQUEST_METHOD'] != 'GET'
    return method_not_allowed_response
  end

  msg = "Served asset #{env['PATH_INFO']} -"

  # Extract the path from everything after the leading slash
  path = Rack::Utils.unescape(env['PATH_INFO'].to_s.sub(/^\//, ''))

  status, headers, body =
    if forbidden_request?(path)
      # URLs containing a `..` are rejected for security reasons.
      forbidden_response
    else
      # # If not debug, enforce/require fingerprinted url. Do we really need this or just paranoia?
      # if (!@debug)
      #   fingerprint = path_fingerprint(path)
      #   if (fingerprint.nil?)
      #     msg += ' not a manifested file'
      #     return not_found_response
      #   end
      # end

      # standard file serve
      @file_server.call(env)
    end

  # log our status
  case status
    when :ok
      logger.info "#{msg} 200 OK "
    when :not_modified
      logger.info "#{msg} 304 Not Modified "
    when :not_found
      logger.info "#{msg} 404 Not Found "
    else
      logger.info "#{msg} #{status} Unknown status message "
  end

  # add cache headers
  headers['Cache-Control'] ="max-age=#{@duration_in_seconds}, public"
  headers['Expires'] = @duration_in_words

  # return results
  [status, headers, body]

rescue Exception => e
  logger.error "Error serving asset #{path}:"
  logger.error "#{e.class.name}: #{e.message}"
  raise
end