Class: Rack::Rewritten::Url

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, &block) ⇒ Url

Returns a new instance of Url.



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# File 'lib/rack/url.rb', line 11

def initialize(app, &block)
  @app = app
  @translate_backwards = false
  @downcase_before_lookup = false
  @translate_partial = false
  @base_url = ''
  instance_eval(&block) if block_given?
end

Instance Attribute Details

#base_url ⇒ Object

Returns the value of attribute base_url.



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# File 'lib/rack/url.rb', line 9

def base_url
  @base_url
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/url.rb', line 28

def call(env)
  req = Rack::Request.new(env)

  subdomain = env["SUBDOMAIN"] ? "#{env["SUBDOMAIN"]}:" : ""

  path = "#{subdomain}#{req.path_info}"
  path.downcase! if downcase_before_lookup?

  target_url = ::Rewritten.translate(path)

  if is_external_target?(target_url)
    r = Rack::Response.new
    r.redirect(target_url, 301)
    r.finish
  elsif ::Rewritten.includes?(path.chomp("/")) or backwards=( translate_backwards? && ::Rewritten.exist_translation_for?(path) )

    to = ::Rewritten.includes?(path.chomp("/")) || path

    current_path = ::Rewritten.get_current_translation(to)
    current_path = current_path.split(":").last
    current_path = current_path.split('?')[0]

    if (current_path == req.path_info) or (::Rewritten.base_from(req.path_info) == current_path) or ::Rewritten.has_flag?(path, 'L')
      # if this is the current path, rewrite path and parameters
      tpath, tparams = split_to_path_params(to)
      env['QUERY_STRING'] = Rack::Utils.build_nested_query(tparams.merge(req.params))
      req.path_info = tpath + ::Rewritten.appendix(req.path_info)
      @app.call(req.env)
    else
      # if this is not the current path, redirect to current path
      # NOTE: assuming redirection is always to non-subdomain-path

      r = Rack::Response.new

      new_path = env["rack.url_scheme"].dup
      new_path << "://"
      new_path << env["HTTP_HOST"].dup.sub(/^#{subdomain.chomp(':')}\./, '')
      new_path << current_path
      new_path << ::Rewritten.appendix(path) unless backwards
      new_path << '?' << env["QUERY_STRING"] unless (env["QUERY_STRING"]||'').empty?

      r.redirect(new_path, 301)
      a = r.finish
    end
  else
    @app.call(req.env)
  end
end

#is_external_target?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rack/url.rb', line 24

def is_external_target?(url)
  !is_internal_target?(url)
end

#is_internal_target?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rack/url.rb', line 20

def is_internal_target?(url)
  url.nil? or url.start_with?('/') or url.start_with?(@base_url)
end

#split_to_path_params(path_and_query) ⇒ Object 



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# File 'lib/rack/url.rb', line 77

def split_to_path_params(path_and_query)
  path, query_string = path_and_query.split('?').push('')[0..1]
  [path, Rack::Utils.parse_query(query_string)]
end