Class: Locomotive::Steam::Liquid::Tags::Authorize

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
lib/locomotive/steam/liquid/tags/authorize.rb

Overview

Redirect the current site visitor to another page if she/he is not authenticated. More information about the authentication feature here: locomotive-v3.readme.io/v3.3/docs/introduction-1

The Liquid tag requires 2 parameters:

  • the slug of the content type used for the authentication (a content type with a password field)

  • the handle of the page we want the user to be redirected to if unauthenticated

Basically the authorize tag checks if the liquid context has a reference to the current authenticated content entry. If not, it raises a redirection exception forcing the Steam middleware stack to process a HTTP redirection.

Example:

{% authorize 'accounts', 'sign_in' %}

Constant Summary collapse

Syntax = 
/(#{::Liquid::QuotedString}+)\s*,\s*(#{::Liquid::QuotedString}+)/o

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, markup, options) ⇒ Authorize

Returns a new instance of Authorize.



28
29
30
31
32
33
34
35
36
 
# File 'lib/locomotive/steam/liquid/tags/authorize.rb', line 28

def initialize(tag_name, markup, options)
  if markup =~ Syntax
    @content_type_slug, @page_handle = $1.try(:gsub, /['"]/, ''), $2.try(:gsub, /['"]/, '')
  else
    raise ::Liquid::SyntaxError.new("Syntax Error in 'authorize' - Valid syntax: authorize [content type slug], [page handle]")
  end

  super
end

Instance Method Details

#render(context) ⇒ Object 



38
39
40
41
42
43
44
45
46
 
# File 'lib/locomotive/steam/liquid/tags/authorize.rb', line 38

def render(context)
  @context = context

  unless authenticated_entry = context["current_#{@content_type_slug.singularize}"]
    services.page_redirection.redirect_to(@page_handle, locale)
  end

  ''
end