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.



8
9
10
11
12
13
14
15
 
# File 'lib/rack/url.rb', line 8

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.



6
7
8
 
# File 'lib/rack/url.rb', line 6

def base_url
  @base_url
end

Instance Method Details

#call(env) ⇒ Object 



25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
 
# File 'lib/rack/url.rb', line 25

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 external_target?(target_url)
    r = Rack::Response.new
    r.redirect(target_url, 301)
    r.finish
  elsif ::Rewritten.includes?(req.fullpath) || ::Rewritten.includes?(path.chomp('/')) || backwards = (translate_backwards? && ::Rewritten.exist_translation_for?(path))

    to = ::Rewritten.includes?(req.fullpath)
    to ||= ::Rewritten.includes?(path.chomp('/')) || path

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

    if (req.fullpath == current_path_with_query || current_path == req.path_info) || (::Rewritten.base_from(req.path_info) == current_path) || ::Rewritten.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

#external_target?(url) ⇒ Boolean

Returns:

  • (Boolean) 


21
22
23
 
# File 'lib/rack/url.rb', line 21

def external_target?(url)
  !internal_target?(url)
end

#internal_target?(url) ⇒ Boolean

Returns:

  • (Boolean) 


17
18
19
 
# File 'lib/rack/url.rb', line 17

def internal_target?(url)
  url.nil? || url.start_with?('/') || url.start_with?(@base_url)
end

#split_to_path_params(path_and_query) ⇒ Object 



76
77
78
79
 
# File 'lib/rack/url.rb', line 76

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