Class: Rack::StaticmeURLMap

Inherits:
URLMap
  • Object
show all
Defined in:
lib/rack/staticme_urlmap.rb

Instance Method Summary collapse

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/staticme_urlmap.rb', line 36

def call(env)
  path = env["PATH_INFO"]
  script_name = env['SCRIPT_NAME']
  hHost = env['HTTP_HOST']
  sName = env['SERVER_NAME']
  sPort = env['SERVER_PORT']

  @mapping.each do |host, location, match, app|
    unless hHost == host \
        || sName == host \
        || (!host && (hHost == sName || hHost == sName+':'+sPort))
      next
    end

    next unless m = match.match(path.to_s)

    rest = m[1]
    next unless !rest || rest.empty? || rest[0] == ?/

    return app.call(env)
  end

  [404, {"Content-Type" => "text/plain", "X-Cascade" => "pass"}, ["Not Found: #{path}"]]

ensure
  env['PATH_INFO'] = path
  env['SCRIPT_NAME'] = script_name
end

#remap(map) ⇒ Object 



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# File 'lib/rack/staticme_urlmap.rb', line 7

def remap(map)
  @mapping = map.map { |location, app|
    if location.is_a? String
      if location =~ %r{\Ahttps?://(.*?)(/.*)}
        host, location = $1, $2
      else
        host = nil
      end

      unless location[0] == ?/
        raise ArgumentError, "paths need to start with /"
      end

      location = location.chomp('/')
      match = Regexp.new("^#{Regexp.quote(location).gsub('/', '/+')}(.*)", nil, 'n')
    elsif location.is_a? Regexp
      match = location
    else
      raise ArgumentError, "location should be an instance of String or Regexp"
    end

    [host, location, match, app]
  }.sort_by do |(host, location, _, _)|
    [host ? -host.size : INFINITY, (location.is_a?(String) ? -location.size : INFINITY)]
  end

  @mapping
end